Hydraulic fracturing (HF) is a technique that is used for extracting petroleum resources from impermeable host rocks. In this process, fluid injected under high pressure causes fractures to propagate. This technique has been transformative for the hydrocarbon industry, unlocking otherwise stranded resources; however, environmental concerns make HF controversial. One concern is HF‐induced seismicity, since fluids driven under high pressure also have the potential to reactivate faults. Controversy has inevitably followed these HF‐induced earthquakes, with economic and human losses from ground shaking at one extreme and moratoriums on resource development at the other. Here, we review the state of knowledge of this category of induced seismicity. We first cover essential background information on HF along with an overview of published induced earthquake cases to date. Expanding on this, we synthesize the common themes and interpret the origin of these commonalities, which include recurrent earthquake swarms, proximity to well bore, rapid response to stimulation, and a paucity of reported cases. Next, we discuss the unanswered questions that naturally arise from these commonalities, leading to potential research themes: consistent recognition of cases, proposed triggering mechanisms, geologically susceptible conditions, identification of operational controls, effective mitigation efforts, and science‐informed regulatory management. HF‐induced seismicity provides a unique opportunity to better understand and manage earthquake rupture processes; overall, understanding HF‐induced earthquakes is important in order to avoid extreme reactions in either direction.
The consequences of environmental disturbance and management are difficult to quantify for spatially structured populations because changes in one location carry through to other areas as a result of species movement. We develop a metric, G, for measuring the contribution of a habitat or pathway to network-wide population growth rate in the face of environmental change. This metric is different from other contribution metrics, as it quantifies effects of modifying vital rates for habitats and pathways in perturbation experiments. Perturbation treatments may range from small degradation or enhancement to complete habitat or pathway removal. We demonstrate the metric using a simple metapopulation example and a case study of eastern monarch butterflies. For the monarch case study, the magnitude of environmental change influences the ordering of node contribution. We find that habitats within which all individuals reside during one season are the most important to short-term network growth under complete removal scenarios, whereas the central breeding region contributes most to population growth over all but the strongest disturbances. The metric G provides for more efficient management interventions that proactively mitigate impacts of expected disturbances to spatially structured populations.
use changes in one location carry through to other areas due to species movement. We develop a metric, G, for measuring the contribution of a habitat or pathway to network-wide population growth rate in the face of environmental change. This metric is different than other contribution metrics as it quantifies effects of modifying vital rates for habitats and pathways in perturbation experiments. Perturbation treatments may range from small degradation or enhancement to complete habitat or pathway removal. We demonstrate the metric using a simple metapopulation example and a case study of eastern monarch butterflies. For the monarch case study, the magnitude of environmental change influences ordering of node contribution. We find that habitats through which all migrants flow are the most important to short-term network growth under complete-removal scenarios. The metric G provides for more efficient management interventions that proactively mitigate impacts of expected disturbances to spatially structured populations.
","language":"English","publisher":"The University of Chicago Press","doi":"10.1086/709009","usgsCitation":"Sample, C., Bieri, J., Allen, B.L., Dementieva, Y., Carson, A., Higgins, C., Piatt, S., Qiu, S., Stafford, S., Mattsson, B., Semmens, D., Diffendorfer, J., and Thogmartin, W.E., 2020, Quantifying the contribution of habitats and pathways to a spatially structured population facing environmental change: American Naturalist, v. 196, no. 2, p. 157-168, https://doi.org/10.1086/709009.","productDescription":"12 p.","startPage":"157","endPage":"168","ipdsId":"IP-110963","costCenters":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true},{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"links":[{"id":456440,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1086/709009","text":"Publisher Index Page"},{"id":377324,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"196","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Sample, Christine","contributorId":201597,"corporation":false,"usgs":false,"family":"Sample","given":"Christine","affiliations":[{"id":35881,"text":"Emmanuel College","active":true,"usgs":false}],"preferred":false,"id":795676,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bieri, Joanna A.","contributorId":201599,"corporation":false,"usgs":false,"family":"Bieri","given":"Joanna A.","affiliations":[{"id":36213,"text":"University of Redlands","active":true,"usgs":false}],"preferred":false,"id":795677,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Allen, Benjamin L.","contributorId":193210,"corporation":false,"usgs":false,"family":"Allen","given":"Benjamin","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":795678,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Dementieva, Yulia","contributorId":219841,"corporation":false,"usgs":false,"family":"Dementieva","given":"Yulia","email":"","affiliations":[{"id":35881,"text":"Emmanuel College","active":true,"usgs":false}],"preferred":false,"id":795679,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Carson, Alyssa","contributorId":219842,"corporation":false,"usgs":false,"family":"Carson","given":"Alyssa","email":"","affiliations":[{"id":35881,"text":"Emmanuel College","active":true,"usgs":false}],"preferred":false,"id":795680,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Higgins, Connor","contributorId":237967,"corporation":false,"usgs":false,"family":"Higgins","given":"Connor","email":"","affiliations":[{"id":35881,"text":"Emmanuel College","active":true,"usgs":false}],"preferred":false,"id":795681,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Piatt, Sadie","contributorId":219844,"corporation":false,"usgs":false,"family":"Piatt","given":"Sadie","email":"","affiliations":[{"id":35881,"text":"Emmanuel College","active":true,"usgs":false}],"preferred":false,"id":795682,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Qiu, Shirley","contributorId":219845,"corporation":false,"usgs":false,"family":"Qiu","given":"Shirley","email":"","affiliations":[{"id":35881,"text":"Emmanuel College","active":true,"usgs":false}],"preferred":false,"id":795683,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Stafford, Summer","contributorId":219846,"corporation":false,"usgs":false,"family":"Stafford","given":"Summer","email":"","affiliations":[{"id":36213,"text":"University of Redlands","active":true,"usgs":false}],"preferred":false,"id":795684,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Mattsson, Brady J.","contributorId":171612,"corporation":false,"usgs":false,"family":"Mattsson","given":"Brady J.","affiliations":[{"id":26928,"text":"Univ. of Vienna","active":true,"usgs":false}],"preferred":false,"id":795685,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Semmens, Darius J. 0000-0001-7924-6529","orcid":"https://orcid.org/0000-0001-7924-6529","contributorId":64201,"corporation":false,"usgs":true,"family":"Semmens","given":"Darius J.","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":true,"id":795686,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Diffendorfer, James E. 0000-0003-1093-6948 jediffendorfer@usgs.gov","orcid":"https://orcid.org/0000-0003-1093-6948","contributorId":3208,"corporation":false,"usgs":true,"family":"Diffendorfer","given":"James E.","email":"jediffendorfer@usgs.gov","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true},{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":true,"id":795687,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Thogmartin, Wayne E. 0000-0002-2384-4279 wthogmartin@usgs.gov","orcid":"https://orcid.org/0000-0002-2384-4279","contributorId":2545,"corporation":false,"usgs":true,"family":"Thogmartin","given":"Wayne","email":"wthogmartin@usgs.gov","middleInitial":"E.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":true,"id":795688,"contributorType":{"id":1,"text":"Authors"},"rank":13}]}} ,{"id":70211289,"text":"70211289 - 2020 - Nowcasting methods for determining microbiological water quality at recreational beaches and drinking-water source waters","interactions":[],"lastModifiedDate":"2020-07-22T15:05:33.044537","indexId":"70211289","displayToPublicDate":"2020-06-06T10:03:16","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2390,"text":"Journal of Microbiological Methods","active":true,"publicationSubtype":{"id":10}},"title":"Nowcasting methods for determining microbiological water quality at recreational beaches and drinking-water source waters","docAbstract":"Nowcasts are tools used to provide timely and accurate water-quality assessments of threats to drinking-water and recreational resources from fecal contamination or cyanobacterial harmful algal blooms. They use mathematical models and techniques to provide near-real-time estimates of fecal-indicator bacteria (FIB) and cyanotoxin concentrations. Techniques include logic-based thresholds, decision trees (built with machine learning), multiple linear and binary logistic regression, artificial neural networks, and process-based deterministic models. The type of site (freshwater, marine, or river) and dependent variable (FIB or cyanotoxin) dictate which explanatory variables are used in models. Nowcast systems notify the public of associated public-health risks and can also be used to manage data for FIB models; work is ongoing to incorporate cyanotoxin models into some nowcasts. The Great Lakes NowCast in the USA has been operational since 2010 and includes 25 lake beaches and one recreational river site. Examples of other operational FIB nowcasts are described for locations in the USA and around the world. In many cases, models predicted exceedances of FIB standards with accuracies as good as or better than using the previous measured FIB concentration (persistence method). Accuracy and timeliness are vital to beach management decisions that protect public health and support the local recreation-driven economy. Nowcasts benefit the public by providing estimates of water-quality conditions in near-real-time. Managers can use nowcasts at recreational and drinking-water treatment plant sites when FIB or cyanotoxins are projected to be elevated to target sample collection, to provide near-real-time recreational advisories to the public, or to preemptively optimize drinking-water treatments or change intake options to mitigate possible adverse effects on drinking-water quality.","language":"English","publisher":"Elsevier","doi":"10.1016/j.mimet.2020.105970","usgsCitation":"Francy, D.S., Brady, A.M., Cicale, J.R., Dalby, H.D., and Stelzer, E., 2020, Nowcasting methods for determining microbiological water quality at recreational beaches and drinking-water source waters: Journal of Microbiological Methods, v. 175, 105970, 11 p., https://doi.org/10.1016/j.mimet.2020.105970.","productDescription":"105970, 11 p.","ipdsId":"IP-117123","costCenters":[{"id":513,"text":"Ohio Water Science Center","active":true,"usgs":true},{"id":35860,"text":"Ohio-Kentucky-Indiana Water Science Center","active":true,"usgs":true}],"links":[{"id":456480,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.mimet.2020.105970","text":"Publisher Index Page"},{"id":376634,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"175","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Francy, Donna S. 0000-0001-9229-3557 dsfrancy@usgs.gov","orcid":"https://orcid.org/0000-0001-9229-3557","contributorId":1853,"corporation":false,"usgs":true,"family":"Francy","given":"Donna","email":"dsfrancy@usgs.gov","middleInitial":"S.","affiliations":[{"id":35860,"text":"Ohio-Kentucky-Indiana Water Science Center","active":true,"usgs":true},{"id":513,"text":"Ohio Water Science Center","active":true,"usgs":true}],"preferred":true,"id":793533,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brady, Amie M.G. 0000-0002-7414-0992 amgbrady@usgs.gov","orcid":"https://orcid.org/0000-0002-7414-0992","contributorId":2544,"corporation":false,"usgs":true,"family":"Brady","given":"Amie","email":"amgbrady@usgs.gov","middleInitial":"M.G.","affiliations":[{"id":513,"text":"Ohio Water Science Center","active":true,"usgs":true},{"id":35860,"text":"Ohio-Kentucky-Indiana Water Science Center","active":true,"usgs":true}],"preferred":true,"id":793534,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cicale, Jessica R. 0000-0002-0008-4051","orcid":"https://orcid.org/0000-0002-0008-4051","contributorId":208157,"corporation":false,"usgs":true,"family":"Cicale","given":"Jessica","email":"","middleInitial":"R.","affiliations":[{"id":35860,"text":"Ohio-Kentucky-Indiana Water Science Center","active":true,"usgs":true}],"preferred":true,"id":793535,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Dalby, Harrison D 0000-0001-6048-3217","orcid":"https://orcid.org/0000-0001-6048-3217","contributorId":228841,"corporation":false,"usgs":true,"family":"Dalby","given":"Harrison","email":"","middleInitial":"D","affiliations":[{"id":35860,"text":"Ohio-Kentucky-Indiana Water Science Center","active":true,"usgs":true}],"preferred":true,"id":793536,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Stelzer, Erin A. 0000-0001-7645-7603","orcid":"https://orcid.org/0000-0001-7645-7603","contributorId":220549,"corporation":false,"usgs":true,"family":"Stelzer","given":"Erin A.","affiliations":[{"id":35860,"text":"Ohio-Kentucky-Indiana Water Science Center","active":true,"usgs":true}],"preferred":true,"id":793537,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70211945,"text":"70211945 - 2020 - Timescales and processes of methane hydrate formation and breakdown, with application to geologic systems","interactions":[],"lastModifiedDate":"2020-08-13T12:30:11.320101","indexId":"70211945","displayToPublicDate":"2020-06-04T13:48:40","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":6006,"text":"Journal of Geophysical Research-Solid Earth","active":true,"publicationSubtype":{"id":10}},"title":"Timescales and processes of methane hydrate formation and breakdown, with application to geologic systems","docAbstract":"Gas hydrate is an ice-like form of water and low molecular weight gas stable at temperatures of roughly -10ºC to 25ºC and pressures of ~3 to 30 MPa in geologic systems. Natural gas hydrates sequester an estimated one-sixth of Earth’s methane and are found primarily in deepwater marine sediments on continental margins, but also in permafrost areas and under continental ice sheets. When gas hydrate is removed from its stability field, its breakdown has implications for the global carbon cycle, ocean chemistry, marine geohazards, and interactions between the geosphere and the ocean-atmosphere system. Gas hydrate breakdown can also be artificially driven as a component of studies assessing the resource potential of these deposits. Furthermore, geologic processes and perturbations to the ocean-atmosphere system (e.g., warming temperatures) can cause not only dissociation, but also more widespread dissolution of hydrate or even formation of new hydrate in reservoirs. Linkages between gas hydrate and disparate aspects of Earth’s near-surface physical, chemical, and biological systems render an assessment of the rates and processes affecting the persistence of gas hydrate an appropriate Centennial Grand Challenge. This paper reviews the thermodynamic controls on methane hydrate stability and then describes the relative importance of kinetic, mass transfer, and heat transfer processes in the formation and breakdown (dissociation and dissolution) of gas hydrate. Results from numerical modeling, laboratory, and some fields studies are used to summarize the rates of hydrate formation and breakdown, followed by an extensive treatment of hydrate dynamics in marine and cryospheric gas hydrate systems.","language":"English","publisher":"Wiley","doi":"10.1029/2018JB016459","usgsCitation":"Ruppel, C.D., and Waite, W., 2020, Timescales and processes of methane hydrate formation and breakdown, with application to geologic systems: Journal of Geophysical Research-Solid Earth, v. 125, no. 8, e2018JB016459, 43 p., https://doi.org/10.1029/2018JB016459.","productDescription":"e2018JB016459, 43 p.","onlineOnly":"N","ipdsId":"IP-114611","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":456493,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2018jb016459","text":"Publisher Index Page"},{"id":436938,"rank":0,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P9LLFVJM","text":"USGS data release","linkHelpText":"Preliminary global database of known and inferred gas hydrate locations"},{"id":377416,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"125","issue":"8","noUsgsAuthors":false,"publicationDate":"2020-08-10","publicationStatus":"PW","contributors":{"authors":[{"text":"Ruppel, Carolyn D. 0000-0003-2284-6632 cruppel@usgs.gov","orcid":"https://orcid.org/0000-0003-2284-6632","contributorId":195778,"corporation":false,"usgs":true,"family":"Ruppel","given":"Carolyn","email":"cruppel@usgs.gov","middleInitial":"D.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":795909,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Waite, William F. 0000-0002-9436-4109 wwaite@usgs.gov","orcid":"https://orcid.org/0000-0002-9436-4109","contributorId":625,"corporation":false,"usgs":true,"family":"Waite","given":"William F.","email":"wwaite@usgs.gov","affiliations":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":795910,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70210592,"text":"70210592 - 2020 - Subspecies differentiation in an enigmatic chaparral shrub species","interactions":[],"lastModifiedDate":"2020-07-09T15:08:27.096705","indexId":"70210592","displayToPublicDate":"2020-06-04T11:05:50","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":724,"text":"American Journal of Botany","active":true,"publicationSubtype":{"id":10}},"title":"Subspecies differentiation in an enigmatic chaparral shrub species","docAbstract":"Delimiting biodiversity units is difficult in organisms in which differentiation is obscured by hybridization, plasticity, and other factors that blur phenotypic boundaries. Such work is more complicated when the focal units are subspecies, the definition of which has not been broadly explored in the era of modern genetic methods. Eastwood manzanita (Arctostaphylos glandulosa Eastw.) is a widely distributed and morphologically complex chaparral shrub species with much subspecific variation, which has proven challenging to categorize. Currently 10 subspecies are recognized, however, many of them are not geographically segregated, and morphological intermediates are common. Subspecies delimitation is of particular importance in this species because two of the subspecies are rare. The goal of this study was to apply an evolutionary definition of “subspecies” to characterize structure within Eastwood manzanita.
We used publicly available geospatial environmental data and reduced‐representation genome sequencing to characterize environmental and genetic differentiation among subspecies. In addition, we tested whether subspecies could be differentiated by environmentally associated genetic variation.
Our analyses do not show genetic differentiation among subspecies of Eastwood manzanita, with the exception of one of the two rare subspecies. In addition, our environmental analyses did not show ecological differentiation, though limitations of the analysis prevent strong conclusions.
Genetic structure within Eastwood manzanita does not correspond to current subspecies circumscriptions, but rather reflects geographic distribution. Our study suggests that subspecies concepts need to be reconsidered in long‐lived plant species, especially in the age of next‐generation sequencing.
","language":"English","publisher":"Botanical Society of America","doi":"10.1002/ajb2.1496","usgsCitation":"Huang, Y., Morrison, G.R., Brelsford, A., Franklin, J., Jolles, D.D., Keeley, J., Parker, V., Saavedra, N., Sanders, A.C., Stoughton, T., Wahlert, G.A., and Litt, A., 2020, Subspecies differentiation in an enigmatic chaparral shrub species: American Journal of Botany, v. 107, no. 6, p. 923-940, https://doi.org/10.1002/ajb2.1496.","productDescription":"18 p.","startPage":"923","endPage":"940","ipdsId":"IP-115824","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":456496,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/ajb2.1496","text":"Publisher Index Page"},{"id":375519,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"107","issue":"6","noUsgsAuthors":false,"publicationDate":"2020-06-04","publicationStatus":"PW","contributors":{"authors":[{"text":"Huang, Yi","contributorId":225188,"corporation":false,"usgs":false,"family":"Huang","given":"Yi","email":"","affiliations":[{"id":41068,"text":"University of California, Riverside, Riverside, CA 92521","active":true,"usgs":false}],"preferred":false,"id":790719,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Morrison, Glen R.","contributorId":225189,"corporation":false,"usgs":false,"family":"Morrison","given":"Glen","email":"","middleInitial":"R.","affiliations":[{"id":41068,"text":"University of California, Riverside, Riverside, CA 92521","active":true,"usgs":false}],"preferred":false,"id":790720,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Brelsford, Alan","contributorId":225190,"corporation":false,"usgs":false,"family":"Brelsford","given":"Alan","email":"","affiliations":[{"id":41068,"text":"University of California, Riverside, Riverside, CA 92521","active":true,"usgs":false}],"preferred":false,"id":790721,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Franklin, Janet","contributorId":192373,"corporation":false,"usgs":false,"family":"Franklin","given":"Janet","affiliations":[],"preferred":false,"id":790722,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Jolles, Diana D","contributorId":225191,"corporation":false,"usgs":false,"family":"Jolles","given":"Diana","email":"","middleInitial":"D","affiliations":[{"id":41069,"text":"Plymouth State University, Plymouth, NH 03264","active":true,"usgs":false}],"preferred":false,"id":790723,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Keeley, Jon 0000-0002-4564-6521","orcid":"https://orcid.org/0000-0002-4564-6521","contributorId":216485,"corporation":false,"usgs":true,"family":"Keeley","given":"Jon","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":790724,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Parker, V Thomas","contributorId":225192,"corporation":false,"usgs":false,"family":"Parker","given":"V Thomas","affiliations":[{"id":41070,"text":"San Francisco State University, San Francisco, CA 94132","active":true,"usgs":false}],"preferred":false,"id":790725,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Saavedra, Natalie","contributorId":225193,"corporation":false,"usgs":false,"family":"Saavedra","given":"Natalie","email":"","affiliations":[{"id":41068,"text":"University of California, Riverside, Riverside, CA 92521","active":true,"usgs":false}],"preferred":false,"id":790726,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Sanders, Andrew C","contributorId":225194,"corporation":false,"usgs":false,"family":"Sanders","given":"Andrew","email":"","middleInitial":"C","affiliations":[{"id":41068,"text":"University of California, Riverside, Riverside, CA 92521","active":true,"usgs":false}],"preferred":false,"id":790727,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Stoughton, Thomas","contributorId":225195,"corporation":false,"usgs":false,"family":"Stoughton","given":"Thomas","email":"","affiliations":[{"id":41069,"text":"Plymouth State University, Plymouth, NH 03264","active":true,"usgs":false}],"preferred":false,"id":790728,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Wahlert, Gregory A.","contributorId":225196,"corporation":false,"usgs":false,"family":"Wahlert","given":"Gregory","email":"","middleInitial":"A.","affiliations":[{"id":41071,"text":"University of California, Santa Barbara, Santa Barbara, CA 93106","active":true,"usgs":false}],"preferred":false,"id":790729,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Litt, Amy","contributorId":225197,"corporation":false,"usgs":false,"family":"Litt","given":"Amy","email":"","affiliations":[{"id":41068,"text":"University of California, Riverside, Riverside, CA 92521","active":true,"usgs":false}],"preferred":false,"id":790730,"contributorType":{"id":1,"text":"Authors"},"rank":12}]}} ,{"id":70214586,"text":"70214586 - 2020 - Legacy and contaminants of emerging concern (CECs) in tree swallows along an agricultural to industrial gradient: Maumee River, OH","interactions":[],"lastModifiedDate":"2020-10-01T14:45:31.600093","indexId":"70214586","displayToPublicDate":"2020-06-04T08:38:57","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1571,"text":"Environmental Toxicology and Chemistry","active":true,"publicationSubtype":{"id":10}},"title":"Legacy and contaminants of emerging concern (CECs) in tree swallows along an agricultural to industrial gradient: Maumee River, OH","docAbstract":"Exposure to multiple classes of contaminants, both legacy and contaminants of emerging concern (CECs), were assessed in tree swallow (Tachycineta bicolor) tissue and diet samples from 6 sites along the Maumee River, Ohio, USA, to understand both exposure and possible effects of exposure to those CECs for which there are little avian data. The 6 sites represented a gradient from intensive agriculture upstream to highly urbanized and industrial landscapes downstream; 1 or 2 remote Wisconsin lakes were assessed for comparative purposes. Cytochrome P450 induction, DNA damage, and thyroid function were also assessed relative to contaminant exposure. Bioaccumulative CECs, such as polybrominated diphenyl ethers (PBDEs) and perfluorinated substances, did not follow any upstream to downstream gradient; but both had significantly greater concentrations along the Maumee River than at the remote lake sites. Greater exposure to PBDEs was apparent in swallows at or near wastewater‐treatment facilities than at other sites. Total polychlorinated biphenyl and total polycyclic aromatic hydrocarbon concentrations were greater in swallows at downstream locations compared to upstream sites and were associated with higher ethoxyresorufin‐O‐dealkylase activity. Few herbicides or nonorganochlorine insecticides were detected in swallow tissues or their food, except for atrazine and its metabolite desethylatrazine. Few pharmaceuticals and personal care products were detected except for DEET and iopamidol. Both were detected in most liver samples but not in eggs, as well as detected at the remote lake sites. This is one of the most comprehensive assessments to date of exposure and effects of a wide variety of CECs in birds.
","language":"English","publisher":"Wiley","doi":"10.1002/etc.4792","usgsCitation":"Custer, C.M., Custer, T.W., Dummer, P.M., Schultz, S.L., Tseng, C.Y., Karouna-Renier, N., and Matson, C., 2020, Legacy and contaminants of emerging concern (CECs) in tree swallows along an agricultural to industrial gradient: Maumee River, OH: Environmental Toxicology and Chemistry, v. 39, no. 10, p. 1936-1952, https://doi.org/10.1002/etc.4792.","productDescription":"17 p.","startPage":"1936","endPage":"1952","ipdsId":"IP-117948","costCenters":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"links":[{"id":436940,"rank":0,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P94E110D","text":"USGS data release","linkHelpText":"Maumee River: Legacy and Contaminants of Emerging Concern"},{"id":378898,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Ohio","otherGeospatial":"Maumee River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -83.990478515625,\n 41.41595533303718\n ],\n [\n -83.968505859375,\n 41.396384896536304\n ],\n [\n -83.88198852539062,\n 41.399475357337565\n ],\n [\n -83.6883544921875,\n 41.47668911274522\n ],\n [\n -83.55377197265625,\n 41.588742636696765\n ],\n [\n -83.39996337890625,\n 41.69547509615208\n ],\n [\n -83.5125732421875,\n 41.73237975329554\n ],\n [\n -83.70208740234375,\n 41.57025176609894\n ],\n [\n -83.93280029296875,\n 41.448902743309674\n ],\n [\n -83.990478515625,\n 41.41595533303718\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"39","issue":"10","noUsgsAuthors":false,"publicationDate":"2020-06-04","publicationStatus":"PW","contributors":{"authors":[{"text":"Custer, Christine M. 0000-0003-0500-1582 ccuster@usgs.gov","orcid":"https://orcid.org/0000-0003-0500-1582","contributorId":1143,"corporation":false,"usgs":true,"family":"Custer","given":"Christine","email":"ccuster@usgs.gov","middleInitial":"M.","affiliations":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":true,"id":800153,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Custer, Thomas W. 0000-0003-3170-6519","orcid":"https://orcid.org/0000-0003-3170-6519","contributorId":216059,"corporation":false,"usgs":false,"family":"Custer","given":"Thomas","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":800154,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dummer, Paul M. 0000-0002-2055-9480 pdummer@usgs.gov","orcid":"https://orcid.org/0000-0002-2055-9480","contributorId":3015,"corporation":false,"usgs":true,"family":"Dummer","given":"Paul","email":"pdummer@usgs.gov","middleInitial":"M.","affiliations":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":true,"id":800155,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Schultz, Sandra L. 0000-0003-3394-2857 sschultz@usgs.gov","orcid":"https://orcid.org/0000-0003-3394-2857","contributorId":5966,"corporation":false,"usgs":true,"family":"Schultz","given":"Sandra","email":"sschultz@usgs.gov","middleInitial":"L.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":800156,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Tseng, Chi Yen","contributorId":241901,"corporation":false,"usgs":false,"family":"Tseng","given":"Chi","email":"","middleInitial":"Yen","affiliations":[{"id":13716,"text":"Baylor University","active":true,"usgs":false}],"preferred":false,"id":800157,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Karouna-Renier, Natalie 0000-0001-7127-033X nkarouna@usgs.gov","orcid":"https://orcid.org/0000-0001-7127-033X","contributorId":200983,"corporation":false,"usgs":true,"family":"Karouna-Renier","given":"Natalie","email":"nkarouna@usgs.gov","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":800158,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Matson, Cole W.","contributorId":141222,"corporation":false,"usgs":false,"family":"Matson","given":"Cole W.","affiliations":[{"id":13716,"text":"Baylor University","active":true,"usgs":false}],"preferred":false,"id":800159,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70211689,"text":"70211689 - 2020 - Analysis of movement recursions to detect reproductive events and estimate their fate in central place foragers","interactions":[],"lastModifiedDate":"2020-08-07T14:15:21.151798","indexId":"70211689","displayToPublicDate":"2020-06-03T09:13:04","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2792,"text":"Movement Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Analysis of movement recursions to detect reproductive events and estimate their fate in central place foragers","docAbstract":"Recursive movement patterns have been used to detect behavioral structure within individual movement trajectories in the context of foraging ecology, home-ranging behavior, and predator avoidance. Some animals exhibit movement recursions to locations that are tied to reproductive functions, including nests and dens; while existing literature recognizes that, no method is currently available to explicitly target different types of revisited locations. Moreover, the temporal persistence of recursive movements to a breeding location can carry information regarding the fate of breeding attempts, but it has never been used as a metric to quantify recursive movement patterns. Here, we introduce a method to locate breeding attempts and estimate their fate from GPStracking data of central place foragers. We tested the performance of our method in three bird species differing in breeding ecology (wood stork (Mycteria americana), lesser kestrel (Falco naumanni), Mediterranean gull (Ichthyaetus melanocephalus)) and implemented it in the R package ‘nestR’. Methods: We identified breeding sites based on the analysis of recursive movements within individual tracks. Using trajectories with known breeding attempts, we estimated a set of species-specific criteria for the identification of nest sites, which we further validated using non-reproductive individuals as controls. We then estimated individual nest survival as a binary measure of reproductive fate (success, corresponding to fledging of at least one chick, or failure) from nest-site revisitation histories during breeding attempts, using a Bayesian hierarchical modeling approach that accounted for temporally variable revisitation patterns, probability of visit detection, and missing data. Results: Across the three species, positive predictive value of the nest-site detection algorithm varied between 87 and 100% and sensitivity between 88 and 92%, and we correctly estimated the fate of 86–100% breeding attempts.
","language":"English","publisher":"Springer","doi":"10.1186/s40462-020-00201-1","usgsCitation":"Picardi, S., Smith, B., Boone, M.E., Frederick, P.C., Cecere, J.G., Rubolini, D., Serra, L., Pirrello, S., Borkhataria, R.R., and Basille, M., 2020, Analysis of movement recursions to detect reproductive events and estimate their fate in central place foragers: Movement Ecology, v. 8, 24, 14 p., https://doi.org/10.1186/s40462-020-00201-1.","productDescription":"24, 14 p.","ipdsId":"IP-105411","costCenters":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":456508,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1186/s40462-020-00201-1","text":"Publisher Index Page"},{"id":377175,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"8","noUsgsAuthors":false,"publicationDate":"2020-06-03","publicationStatus":"PW","contributors":{"authors":[{"text":"Picardi, Simona 0000-0002-2623-6623","orcid":"https://orcid.org/0000-0002-2623-6623","contributorId":237045,"corporation":false,"usgs":false,"family":"Picardi","given":"Simona","email":"","affiliations":[{"id":36221,"text":"University of Florida","active":true,"usgs":false}],"preferred":false,"id":795078,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Smith, Brian 0000-0002-0531-0492","orcid":"https://orcid.org/0000-0002-0531-0492","contributorId":218457,"corporation":false,"usgs":true,"family":"Smith","given":"Brian","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":795079,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Boone, Matthew E. 0000-0002-8070-4715","orcid":"https://orcid.org/0000-0002-8070-4715","contributorId":237046,"corporation":false,"usgs":false,"family":"Boone","given":"Matthew","email":"","middleInitial":"E.","affiliations":[{"id":36221,"text":"University of Florida","active":true,"usgs":false}],"preferred":false,"id":795080,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Frederick, Peter C.","contributorId":215042,"corporation":false,"usgs":false,"family":"Frederick","given":"Peter","email":"","middleInitial":"C.","affiliations":[{"id":39161,"text":"Department of Wildlife Ecology and Conservation, University of Florida, Gainesville, Florida, United States of America","active":true,"usgs":false}],"preferred":false,"id":795081,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Cecere, Jacopo G. 0000-0002-4925-2730","orcid":"https://orcid.org/0000-0002-4925-2730","contributorId":237048,"corporation":false,"usgs":false,"family":"Cecere","given":"Jacopo","email":"","middleInitial":"G.","affiliations":[{"id":47591,"text":"Istituto Superiore per la Protezione e la Ricerca Ambientale","active":true,"usgs":false}],"preferred":false,"id":795082,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Rubolini, Diego 0000-0003-2703-5783","orcid":"https://orcid.org/0000-0003-2703-5783","contributorId":237050,"corporation":false,"usgs":false,"family":"Rubolini","given":"Diego","email":"","affiliations":[{"id":47592,"text":"Università degli Studi di Milano","active":true,"usgs":false}],"preferred":false,"id":795083,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Serra, Lorenzo 0000-0002-8911-8050","orcid":"https://orcid.org/0000-0002-8911-8050","contributorId":237052,"corporation":false,"usgs":false,"family":"Serra","given":"Lorenzo","email":"","affiliations":[{"id":47591,"text":"Istituto Superiore per la Protezione e la Ricerca Ambientale","active":true,"usgs":false}],"preferred":false,"id":795084,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Pirrello, Simone 0000-0002-9471-106X","orcid":"https://orcid.org/0000-0002-9471-106X","contributorId":237054,"corporation":false,"usgs":false,"family":"Pirrello","given":"Simone","email":"","affiliations":[{"id":47591,"text":"Istituto Superiore per la Protezione e la Ricerca Ambientale","active":true,"usgs":false}],"preferred":false,"id":795085,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Borkhataria, Rena R.","contributorId":197425,"corporation":false,"usgs":false,"family":"Borkhataria","given":"Rena","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":795086,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Basille, Mathieu","contributorId":175274,"corporation":false,"usgs":false,"family":"Basille","given":"Mathieu","email":"","affiliations":[],"preferred":false,"id":795087,"contributorType":{"id":1,"text":"Authors"},"rank":10}]}} ,{"id":70211936,"text":"70211936 - 2020 - Seismicity rate change at the Coso Geothermal Field following the July 2019 Ridgecrest M7.1 earthquake","interactions":[],"lastModifiedDate":"2020-08-12T17:54:58.225558","indexId":"70211936","displayToPublicDate":"2020-06-02T12:49:04","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1135,"text":"Bulletin of the Seismological Society of America","onlineIssn":"1943-3573","printIssn":"0037-1106","active":true,"publicationSubtype":{"id":10}},"title":"Seismicity rate change at the Coso Geothermal Field following the July 2019 Ridgecrest M7.1 earthquake","docAbstract":"Many geothermal and volcanic regions experience remote and regional triggering following large earthquakes. The transient or permanent changes in stresses acting on faults and fractures can lead to changes in seismicity rates following either the passage of teleseismic waves or the permanent change in stresses following regional events. One such region of prevalent triggering is the Coso Geothermal Field (CGF) in eastern California, which is located roughly 30km to the north of the 2019 M7.1 Ridgecrest epicenter. Previous regional earthquakes have seemingly caused increases in seismicity rate surrounding the CGF, but also showed an absence of such rate increases in the CGF itself. To test whether seismicity rates in the CGF were dissimilar to the surrounding area following the M7.1 Ridgecrest earthquake, I carry out seismicity rate change calculations using a catalog of seismicity complied using a local seismic network and find that the CGF behaves identical to the surrounding area. Comparisons of seismicity rate changes calculated using a regional network derived catalog and the local network derived catalog show that for a moderate, regional earthquake, the local network catalog reveals a change in seismicity rate while the regionally network catalog shows no significant changes. The differences are likely related to incomplete sampling of seismicity using the regional network due to the existence of a very shallow brittle ductile transition centered on the CGF. The CGF thus is prone to triggering from both teleseismic and regional earthquakes.","language":"English","publisher":"Seismological Society of America","doi":"10.1785/0120200017","usgsCitation":"Kaven, J., 2020, Seismicity rate change at the Coso Geothermal Field following the July 2019 Ridgecrest M7.1 earthquake: Bulletin of the Seismological Society of America, v. 110, no. 4, p. 1728-1735, https://doi.org/10.1785/0120200017.","productDescription":"8 p.","startPage":"1728","endPage":"1735","ipdsId":"IP-114986","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":377410,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"Ridgecrest","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -118.564453125,\n 35.85343961959182\n ],\n [\n -117.59765625,\n 35.85343961959182\n ],\n [\n -117.59765625,\n 36.70365959719456\n ],\n [\n -118.564453125,\n 36.70365959719456\n ],\n [\n -118.564453125,\n 35.85343961959182\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"110","issue":"4","noUsgsAuthors":false,"publicationDate":"2020-06-02","publicationStatus":"PW","contributors":{"authors":[{"text":"Kaven, Joern 0000-0003-2625-2786","orcid":"https://orcid.org/0000-0003-2625-2786","contributorId":217694,"corporation":false,"usgs":true,"family":"Kaven","given":"Joern","email":"","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":795879,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70211481,"text":"70211481 - 2020 - Climate‐change refugia: Biodiversity in the slow lane","interactions":[],"lastModifiedDate":"2020-07-28T23:53:44.020206","indexId":"70211481","displayToPublicDate":"2020-06-01T18:42:45","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1701,"text":"Frontiers in Ecology and the Environment","active":true,"publicationSubtype":{"id":10}},"title":"Climate‐change refugia: Biodiversity in the slow lane","docAbstract":"Climate‐change adaptation focuses on conducting and translating research to minimize the dire impacts of anthropogenic climate change, including threats to biodiversity and human welfare. One adaptation strategy is to focus conservation on climate‐change refugia (that is, areas relatively buffered from contemporary climate change over time that enable persistence of valued physical, ecological, and sociocultural resources). In this Special Issue, recent methodological and conceptual advances in refugia science will be highlighted. Advances in this emerging subdiscipline are improving scientific understanding and conservation in the face of climate change by considering scale and ecosystem dynamics, and looking beyond climate exposure to sensitivity and adaptive capacity. We propose considering refugia in the context of a multifaceted, long‐term, network‐based approach, as temporal and spatial gradients of ecological persistence that can act as “slow lanes” rather than areas of stasis. After years of discussion confined primarily to the scientific literature, researchers and resource managers are now working together to put refugia conservation into practice.
","language":"English","publisher":"Wiley","doi":"10.1002/fee.2189","usgsCitation":"Morelli, T.L., Barrows, C., Ramirez, A.R., Cartwright, J.M., Ackerly, D.D., Eaves, T.D., Ebersole, J.L., Krawchuk, M.A., Letcher, B., Mahalovich, M.F., Meigs, G., Michalak, J., Millar, C., Quinones, R.M., Stralberg, D., and Thorne, J.H., 2020, Climate‐change refugia: Biodiversity in the slow lane: Frontiers in Ecology and the Environment, v. 18, no. 5, p. 228-234, https://doi.org/10.1002/fee.2189.","productDescription":"7 p.","startPage":"228","endPage":"234","ipdsId":"IP-111144","costCenters":[{"id":5080,"text":"Northeast Climate Adaptation Science Center","active":true,"usgs":true}],"links":[{"id":456531,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/fee.2189","text":"Publisher Index Page"},{"id":376815,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"18","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Morelli, Toni Lyn 0000-0001-5865-5294 tmorelli@usgs.gov","orcid":"https://orcid.org/0000-0001-5865-5294","contributorId":197458,"corporation":false,"usgs":true,"family":"Morelli","given":"Toni","email":"tmorelli@usgs.gov","middleInitial":"Lyn","affiliations":[{"id":5080,"text":"Northeast Climate Adaptation Science Center","active":true,"usgs":true},{"id":411,"text":"National Climate Change and Wildlife Science Center","active":true,"usgs":true}],"preferred":true,"id":794233,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Barrows, Cameron W.","contributorId":236818,"corporation":false,"usgs":false,"family":"Barrows","given":"Cameron W.","affiliations":[],"preferred":false,"id":794234,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ramirez, Aaron R.","contributorId":149780,"corporation":false,"usgs":false,"family":"Ramirez","given":"Aaron","email":"","middleInitial":"R.","affiliations":[{"id":17824,"text":"UC Berkeley, CA","active":true,"usgs":false}],"preferred":false,"id":794235,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Cartwright, Jennifer M. 0000-0003-0851-8456 jmcart@usgs.gov","orcid":"https://orcid.org/0000-0003-0851-8456","contributorId":5386,"corporation":false,"usgs":true,"family":"Cartwright","given":"Jennifer","email":"jmcart@usgs.gov","middleInitial":"M.","affiliations":[{"id":581,"text":"Tennessee Water Science Center","active":true,"usgs":true},{"id":24708,"text":"Lower Mississippi-Gulf Water Science Center","active":true,"usgs":true}],"preferred":true,"id":794236,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Ackerly, David D.","contributorId":182417,"corporation":false,"usgs":false,"family":"Ackerly","given":"David","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":794237,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Eaves, Tatiana D.","contributorId":236819,"corporation":false,"usgs":false,"family":"Eaves","given":"Tatiana","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":794238,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Ebersole, Joseph L.","contributorId":146938,"corporation":false,"usgs":false,"family":"Ebersole","given":"Joseph","email":"","middleInitial":"L.","affiliations":[{"id":12657,"text":"EPA NEIC","active":true,"usgs":false}],"preferred":false,"id":794239,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Krawchuk, Meg A.","contributorId":13366,"corporation":false,"usgs":false,"family":"Krawchuk","given":"Meg","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":794240,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Letcher, Benjamin 0000-0003-0191-5678 bletcher@usgs.gov","orcid":"https://orcid.org/0000-0003-0191-5678","contributorId":169305,"corporation":false,"usgs":true,"family":"Letcher","given":"Benjamin","email":"bletcher@usgs.gov","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":true,"id":794241,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Mahalovich, Mary Frances","contributorId":200724,"corporation":false,"usgs":false,"family":"Mahalovich","given":"Mary","email":"","middleInitial":"Frances","affiliations":[{"id":27110,"text":"U.S. Dept of Agriculture, Forest Service","active":true,"usgs":false}],"preferred":false,"id":794242,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Meigs, Garrett","contributorId":192344,"corporation":false,"usgs":false,"family":"Meigs","given":"Garrett","affiliations":[],"preferred":false,"id":794243,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Michalak, Julia 0000-0002-2524-8390","orcid":"https://orcid.org/0000-0002-2524-8390","contributorId":210589,"corporation":false,"usgs":false,"family":"Michalak","given":"Julia","email":"","affiliations":[{"id":6934,"text":"University of Washington","active":true,"usgs":false}],"preferred":false,"id":794244,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Millar, Constance I.","contributorId":99005,"corporation":false,"usgs":true,"family":"Millar","given":"Constance I.","affiliations":[],"preferred":false,"id":794245,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Quinones, Rebecca M.","contributorId":172968,"corporation":false,"usgs":false,"family":"Quinones","given":"Rebecca","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":794246,"contributorType":{"id":1,"text":"Authors"},"rank":14},{"text":"Stralberg, Diana","contributorId":225709,"corporation":false,"usgs":false,"family":"Stralberg","given":"Diana","affiliations":[{"id":36696,"text":"University of Alberta","active":true,"usgs":false}],"preferred":false,"id":794247,"contributorType":{"id":1,"text":"Authors"},"rank":15},{"text":"Thorne, James H.","contributorId":173762,"corporation":false,"usgs":false,"family":"Thorne","given":"James","email":"","middleInitial":"H.","affiliations":[{"id":7214,"text":"University of California, Davis","active":true,"usgs":false}],"preferred":false,"id":794248,"contributorType":{"id":1,"text":"Authors"},"rank":16}]}} ,{"id":70237093,"text":"70237093 - 2020 - Real-time performance of the PLUM earthquake early warning method during the 2019 M6.4 and M7.1 Ridgecrest, California, Earthquakes","interactions":[],"lastModifiedDate":"2022-09-29T15:11:20.640006","indexId":"70237093","displayToPublicDate":"2020-06-01T10:04:14","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1135,"text":"Bulletin of the Seismological Society of America","onlineIssn":"1943-3573","printIssn":"0037-1106","active":true,"publicationSubtype":{"id":10}},"title":"Real-time performance of the PLUM earthquake early warning method during the 2019 M6.4 and M7.1 Ridgecrest, California, Earthquakes","docAbstract":"We evaluate the timeliness and accuracy of ground‐motion‐based earthquake early warning (EEW) during the July 2019 M6.4 and 7.1 Ridgecrest earthquakes. In 2018, we began retrospective and internal real‐time testing of the propagation of local undamped motion (PLUM) method for earthquake warning in California, Oregon, and Washington, with the potential that PLUM might one day be included in the ShakeAlert EEW system. A real‐time version of PLUM was running on one of the ShakeAlert EEW system’s development servers at the time of the 2019 Ridgecrest sequence, allowing us to evaluate the timeliness and accuracy of PLUM’s warnings for the M6.4 and 7.1 mainshocks in real time with the actual data availability and latencies of the operational ShakeAlert EEW system. The latter is especially important because high‐data latencies during the M7.1 earthquake degraded ShakeAlert’s performance. PLUM proved to be largely immune to these latencies. In this article, we present a retrospective analysis of PLUM performance and explore three potential regional alerting strategies ranging from spatially large regions (counties), to moderate‐size regions (National Weather Service public forecast zones), to high‐spatial specificity (50 km regular geographic grid). PLUM generated initial shaking forecasts for the two mainshocks 5 and 6 s after their respective origin times, and faster than the ShakeAlert system’s first alerts. PLUM was also able to accurately forecast shaking across southern California for all three alerting strategies studied. As would be expected, a cost‐benefit analysis of each approach illustrates trade‐offs between increasing warning time and minimizing the area receiving unneeded alerts. Choosing an optimal alerting strategy requires knowledge of users’ false alarm tolerance and minimum required warning time for taking protective action, as well as the time required to distribute alerts to users.
","language":"English","publisher":"Seismological Society of America","doi":"10.1785/0120200021","usgsCitation":"Minson, S.E., Saunders, J.K., Bunn, J., Cochran, E.S., Baltay Sundstrom, A.S., Kilb, D.L., Hoshiba, M., and Kodera, Y., 2020, Real-time performance of the PLUM earthquake early warning method during the 2019 M6.4 and M7.1 Ridgecrest, California, Earthquakes: Bulletin of the Seismological Society of America, v. 110, no. 4, p. 1887-1903, https://doi.org/10.1785/0120200021.","productDescription":"7 p.","startPage":"1887","endPage":"1903","ipdsId":"IP-115052","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":456548,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://resolver.caltech.edu/CaltechAUTHORS:20200827-142633476","text":"External Repository"},{"id":407602,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","city":"Ridgecrest","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -117.79335021972655,\n 35.58529318061384\n ],\n [\n -117.55233764648438,\n 35.58529318061384\n ],\n [\n -117.55233764648438,\n 35.70749253887843\n ],\n [\n -117.79335021972655,\n 35.70749253887843\n ],\n [\n -117.79335021972655,\n 35.58529318061384\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"110","issue":"4","noUsgsAuthors":false,"publicationDate":"2020-06-16","publicationStatus":"PW","contributors":{"authors":[{"text":"Minson, Sarah E. 0000-0001-5869-3477 sminson@usgs.gov","orcid":"https://orcid.org/0000-0001-5869-3477","contributorId":5357,"corporation":false,"usgs":true,"family":"Minson","given":"Sarah","email":"sminson@usgs.gov","middleInitial":"E.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":853317,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Saunders, Jessie Kate 0000-0001-5340-6715","orcid":"https://orcid.org/0000-0001-5340-6715","contributorId":290634,"corporation":false,"usgs":true,"family":"Saunders","given":"Jessie","email":"","middleInitial":"Kate","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":853318,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bunn, Julian","contributorId":216379,"corporation":false,"usgs":false,"family":"Bunn","given":"Julian","affiliations":[{"id":13711,"text":"Caltech","active":true,"usgs":false}],"preferred":false,"id":853319,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Cochran, Elizabeth S. 0000-0003-2485-4484 ecochran@usgs.gov","orcid":"https://orcid.org/0000-0003-2485-4484","contributorId":2025,"corporation":false,"usgs":true,"family":"Cochran","given":"Elizabeth","email":"ecochran@usgs.gov","middleInitial":"S.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":853320,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Baltay Sundstrom, Annemarie S. 0000-0002-6514-852X abaltay@usgs.gov","orcid":"https://orcid.org/0000-0002-6514-852X","contributorId":4932,"corporation":false,"usgs":true,"family":"Baltay Sundstrom","given":"Annemarie","email":"abaltay@usgs.gov","middleInitial":"S.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true},{"id":234,"text":"Earthquake Hazards Program","active":true,"usgs":true}],"preferred":true,"id":853321,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Kilb, Deborah L.","contributorId":216380,"corporation":false,"usgs":false,"family":"Kilb","given":"Deborah","email":"","middleInitial":"L.","affiliations":[{"id":37799,"text":"SCRIPPS","active":true,"usgs":false}],"preferred":false,"id":853322,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Hoshiba, Mitsuyuki","contributorId":216382,"corporation":false,"usgs":false,"family":"Hoshiba","given":"Mitsuyuki","email":"","affiliations":[{"id":39398,"text":"JMA","active":true,"usgs":false}],"preferred":false,"id":853323,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Kodera, Yuki","contributorId":290636,"corporation":false,"usgs":false,"family":"Kodera","given":"Yuki","email":"","affiliations":[{"id":39398,"text":"JMA","active":true,"usgs":false}],"preferred":false,"id":853324,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ,{"id":70211588,"text":"70211588 - 2020 - Trends in oyster populations in the northeastern Gulf of Mexico: An assessment of river discharge and fishing effects over time and space","interactions":[],"lastModifiedDate":"2023-08-31T17:33:18.95725","indexId":"70211588","displayToPublicDate":"2020-05-30T08:03:31","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2680,"text":"Marine and Coastal Fisheries: Dynamics, Management, and Ecosystem Science","active":true,"publicationSubtype":{"id":10}},"title":"Trends in oyster populations in the northeastern Gulf of Mexico: An assessment of river discharge and fishing effects over time and space","docAbstract":"Within the Big Bend region of the northeastern Gulf of Mexico, one of the least developed coastlines in the continental USA, intertidal and subtidal populations of eastern oyster Crassostrea virginica (hereafter referred to as “oyster”) are a critical ecosystem and important economic constituent. We assessed trends in intertidal oyster populations, river discharge, and commercial fishing activity in the Suwannee River estuary within the Big Bend region using fisheries‐independent data from irregular monitoring efforts and publicly available environmental data. We used generalized linear models to evaluate counts of oysters from line‐transect surveys over time and space. We assessed model performance using simulation to understand potential bias and then evaluated whether these counts were related to freshwater inputs from the Suwannee River and commercial oyster fishing effort and landings at different time lags. We found that intertidal oyster counts have declined over time and that most of these declines are found in inshore intertidal oyster bars, which are becoming degraded. We also found a significant relationship between oyster counts and a 1‐year lag on mean daily Suwannee River discharge, but including commercial fishery trips or landings did not improve model fit. It is unclear whether declines in intertidal oyster bars are offset by formation of new oyster reefs elsewhere. These results quantify rapid declines in intertidal oyster reefs in a region of coastline with high conservation value that can be used to inform ongoing and proposed restoration projects in the region.","language":"English","publisher":"Wiley","doi":"10.1002/mcf2.10117","usgsCitation":"Moore, J.F., Pine, W.E., Frederick, P., Becker, S., Moreno, M., Dodrill, M., Boone, M., Sturmer, L., and Yurek, S., 2020, Trends in oyster populations in the northeastern Gulf of Mexico: An assessment of river discharge and fishing effects over time and space: Marine and Coastal Fisheries: Dynamics, Management, and Ecosystem Science, v. 12, no. 3, p. 191-204, https://doi.org/10.1002/mcf2.10117.","productDescription":"14 p.","startPage":"191","endPage":"204","ipdsId":"IP-114295","costCenters":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":456589,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/mcf2.10117","text":"Publisher Index Page"},{"id":377005,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Florida","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -83.51943969726561,\n 28.9913248161703\n ],\n [\n -82.67898559570311,\n 28.9913248161703\n ],\n [\n -82.67898559570311,\n 29.684473609006847\n ],\n [\n -83.51943969726561,\n 29.684473609006847\n ],\n [\n -83.51943969726561,\n 28.9913248161703\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"12","issue":"3","noUsgsAuthors":false,"publicationDate":"2020-05-30","publicationStatus":"PW","contributors":{"authors":[{"text":"Moore, J. F","contributorId":236929,"corporation":false,"usgs":false,"family":"Moore","given":"J.","email":"","middleInitial":"F","affiliations":[{"id":47565,"text":"Department of Wildlife Ecology and Conservation, 110 Newins-Ziegler Hall, University of Florida, Gainesville, FL 32611","active":true,"usgs":false}],"preferred":false,"id":794727,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pine, W. E","contributorId":236930,"corporation":false,"usgs":false,"family":"Pine","given":"W.","email":"","middleInitial":"E","affiliations":[{"id":47565,"text":"Department of Wildlife Ecology and Conservation, 110 Newins-Ziegler Hall, University of Florida, Gainesville, FL 32611","active":true,"usgs":false}],"preferred":false,"id":794728,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Frederick, P. C","contributorId":236931,"corporation":false,"usgs":false,"family":"Frederick","given":"P. C","affiliations":[{"id":47565,"text":"Department of Wildlife Ecology and Conservation, 110 Newins-Ziegler Hall, University of Florida, Gainesville, FL 32611","active":true,"usgs":false}],"preferred":false,"id":794729,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Becker, Sarah","contributorId":210890,"corporation":false,"usgs":false,"family":"Becker","given":"Sarah","affiliations":[{"id":36396,"text":"University of Massachusetts","active":true,"usgs":false}],"preferred":false,"id":794730,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Moreno, Marcos","contributorId":195527,"corporation":false,"usgs":false,"family":"Moreno","given":"Marcos","email":"","affiliations":[],"preferred":false,"id":794731,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Dodrill, Michael J. 0000-0002-7038-7170","orcid":"https://orcid.org/0000-0002-7038-7170","contributorId":206439,"corporation":false,"usgs":true,"family":"Dodrill","given":"Michael","middleInitial":"J.","affiliations":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":true,"id":794732,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Boone, Matthew","contributorId":202724,"corporation":false,"usgs":false,"family":"Boone","given":"Matthew","affiliations":[{"id":13359,"text":"University of Delaware","active":true,"usgs":false}],"preferred":false,"id":794733,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Sturmer, L","contributorId":236932,"corporation":false,"usgs":false,"family":"Sturmer","given":"L","email":"","affiliations":[{"id":47566,"text":"University of Florida Extension, Senatore George Kirkpatrick Marine Lab, 11350 SW 153rd Court, Cedar Key, FL 32625","active":true,"usgs":false}],"preferred":false,"id":794734,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Yurek, Simeon 0000-0002-6209-7915","orcid":"https://orcid.org/0000-0002-6209-7915","contributorId":216733,"corporation":false,"usgs":true,"family":"Yurek","given":"Simeon","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":794735,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}} ,{"id":70210393,"text":"70210393 - 2020 - Temporal and spatial variability of shallow soil moisture across four planar hillslopes on a tropical ocean island, San Cristóbal, Galápagos","interactions":[],"lastModifiedDate":"2020-06-02T12:30:23.389907","indexId":"70210393","displayToPublicDate":"2020-05-30T07:23:05","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3823,"text":"Journal of Hydrology: Regional Studies","active":true,"publicationSubtype":{"id":10}},"title":"Temporal and spatial variability of shallow soil moisture across four planar hillslopes on a tropical ocean island, San Cristóbal, Galápagos","docAbstract":"Study Region: This paper provides a summary of findings from temporal and spatial studies of soil water content on planar hillslopes across the equatorial island of San Cristóbal, Galápagos (Ecuador). \nStudy Focus: Soil water content (SWC) was measured to generate temporal and spatial records to determine seasonal variation and to investigate how the behavior of surface and near-surface root-zone soil water may support island-wide hydrogeology models. SWC probes were installed at four weather stations in a climosequence to generate a temporal record and spatial surveys of shallow SWC across the selected sites were completed during wet and dry seasons. Temporal differences in SWC were driven by seasonal variations in rainfall and evapotranspiration, while spatial variability remained high during both wet and dry seasons. Unsaturated hydraulic conductivity determined by mini-disk infiltrometers was highly variable across the slopes, as were other hydrologic variables. \nNew Hydrological Insights for the Region: The high heterogeneity of soil water and hydrologic characteristics provides a means to explain why little runoff is observed at the study sites: soils do not saturate uniformly across hillslopes, allowing for runoff generated in one part of the hillslope to be conducted into the soil in adjacent parts of the hillslope. The lack of connected surface runoff helps explain how water enters the groundwater system of the island.","language":"English","publisher":"Elsevier","doi":"10.1016/j.ejrh.2020.100692","usgsCitation":"Percy, M.S., Riveros-Iregui, D.A., Mirus, B.B., and Benninger, L.K., 2020, Temporal and spatial variability of shallow soil moisture across four planar hillslopes on a tropical ocean island, San Cristóbal, Galápagos: Journal of Hydrology: Regional Studies, v. 30, 100692, 20 p., https://doi.org/10.1016/j.ejrh.2020.100692.","productDescription":"100692, 20 p.","ipdsId":"IP-118110","costCenters":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"links":[{"id":456598,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.ejrh.2020.100692","text":"Publisher Index Page"},{"id":375238,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Galápagos","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -92.52685546875,\n -1.7026302136023004\n ],\n [\n -88.868408203125,\n -1.7026302136023004\n ],\n [\n -88.868408203125,\n 1.2852925793638545\n ],\n [\n -92.52685546875,\n 1.2852925793638545\n ],\n [\n -92.52685546875,\n -1.7026302136023004\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"30","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Percy, Madelyn S.","contributorId":225062,"corporation":false,"usgs":false,"family":"Percy","given":"Madelyn","email":"","middleInitial":"S.","affiliations":[{"id":41033,"text":"UNC Chapel Hill","active":true,"usgs":false}],"preferred":false,"id":790152,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Riveros-Iregui, Diego A.","contributorId":225063,"corporation":false,"usgs":false,"family":"Riveros-Iregui","given":"Diego","email":"","middleInitial":"A.","affiliations":[{"id":41033,"text":"UNC Chapel Hill","active":true,"usgs":false}],"preferred":false,"id":790153,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mirus, Benjamin B. 0000-0001-5550-014X bbmirus@usgs.gov","orcid":"https://orcid.org/0000-0001-5550-014X","contributorId":4064,"corporation":false,"usgs":true,"family":"Mirus","given":"Benjamin","email":"bbmirus@usgs.gov","middleInitial":"B.","affiliations":[{"id":5061,"text":"National Cooperative Geologic Mapping and Landslide Hazards","active":true,"usgs":true},{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true},{"id":5077,"text":"Northwest Regional Director's Office","active":true,"usgs":true}],"preferred":true,"id":790154,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Benninger, Larry K.","contributorId":225064,"corporation":false,"usgs":false,"family":"Benninger","given":"Larry","email":"","middleInitial":"K.","affiliations":[{"id":41033,"text":"UNC Chapel Hill","active":true,"usgs":false}],"preferred":false,"id":790155,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70217546,"text":"70217546 - 2020 - Evidence for large Holocene earthquakes along the Denali fault in southwest Yukon, Canada","interactions":[],"lastModifiedDate":"2021-01-21T22:01:13.846765","indexId":"70217546","displayToPublicDate":"2020-05-27T15:56:50","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":7559,"text":"Environmental and Engineering Geoscience","active":true,"publicationSubtype":{"id":10}},"title":"Evidence for large Holocene earthquakes along the Denali fault in southwest Yukon, Canada","docAbstract":"The Yukon–Alaska Highway corridor in southern Yukon is subject to geohazards ranging from landslides to floods and earthquakes on faults in the St. Elias Mountains and Shakwak Valley. Here we discuss the late Holocene seismic history of the Denali fault, located at the eastern front of the St. Elias Mountains and one of only a few known seismically active terrestrial faults in Canada. Holocene faulting is indicated by scarps and mounds on late Pleistocene drift and by tectonically deformed Pleistocene and Holocene sediments. Previous work on trenches excavated against the fault scarp near the Duke River reveals paleoseismic sediment disturbance dated to ∼300–1,200, 1,200–1,900, and 3,000 years ago. Re-excavation of the trenches indicates a fourth event dated to 6,000 years ago. The trenches are interpreted to show a negative flower structure produced by extension of sediments by dextral strike-slip fault movement. Nearby Crescent Lake is ponded against the fault scarp. Sediment cores reveal four abrupt sediment and diatom changes reflecting seismic shaking at ∼1,200–1,900, 1,900–5,900, 5,900–6,200, and 6,500–6,800 years ago. At the Duke River, the fault offsets sediments, including two White River tephra layers (∼1,900 and 1,200 years old). Late Pleistocene outwash gravel and overlying Holocene aeolian sediments show in cross section a positive flower structure indicative of post-glacial contraction of the sediments by dextral strike-slip movement. Based on the number of events reflecting ∼M6, we estimate the average recurrence of large earthquakes on the Yukon part of the Denali fault to be about 1,300 years in the past 6,500–6,800 years.
","language":"English","publisher":"Geological Society of America","doi":"10.2113/EEG-2263","usgsCitation":"Blais-Stevens, A., Clague, J., Brahney, J., Lipovsky, P., Haeussler, P., and Menounos, B., 2020, Evidence for large Holocene earthquakes along the Denali fault in southwest Yukon, Canada: Environmental and Engineering Geoscience, v. 26, no. 2, p. 149-166, https://doi.org/10.2113/EEG-2263.","productDescription":"18 p.","startPage":"149","endPage":"166","ipdsId":"IP-112955","costCenters":[{"id":119,"text":"Alaska Science Center Geology Minerals","active":true,"usgs":true}],"links":[{"id":382464,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada","state":"Yukon","otherGeospatial":"Denali Fault, Kluane Lake","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -140.11138916015625,\n 60.81144139261503\n ],\n [\n -137.56256103515625,\n 60.81144139261503\n ],\n [\n -137.56256103515625,\n 61.91180583936655\n ],\n [\n -140.11138916015625,\n 61.91180583936655\n ],\n [\n -140.11138916015625,\n 60.81144139261503\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"26","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Blais-Stevens, Andree","contributorId":248233,"corporation":false,"usgs":false,"family":"Blais-Stevens","given":"Andree","email":"","affiliations":[{"id":13092,"text":"Geological Survey of Canada","active":true,"usgs":false}],"preferred":false,"id":808641,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Clague, J.J.","contributorId":248236,"corporation":false,"usgs":false,"family":"Clague","given":"J.J.","email":"","affiliations":[{"id":36678,"text":"Simon Fraser University","active":true,"usgs":false}],"preferred":false,"id":808642,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Brahney, J.","contributorId":247745,"corporation":false,"usgs":false,"family":"Brahney","given":"J.","affiliations":[],"preferred":false,"id":808643,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lipovsky, P.","contributorId":248238,"corporation":false,"usgs":false,"family":"Lipovsky","given":"P.","email":"","affiliations":[{"id":49837,"text":"Yukon Geological Survey","active":true,"usgs":false}],"preferred":false,"id":808644,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Haeussler, Peter J. 0000-0002-1503-6247","orcid":"https://orcid.org/0000-0002-1503-6247","contributorId":219956,"corporation":false,"usgs":true,"family":"Haeussler","given":"Peter J.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":119,"text":"Alaska Science Center Geology Minerals","active":true,"usgs":true}],"preferred":true,"id":808645,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Menounos, B.","contributorId":248239,"corporation":false,"usgs":false,"family":"Menounos","given":"B.","affiliations":[{"id":49840,"text":"University of Northern British Columbia","active":true,"usgs":false}],"preferred":false,"id":808646,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70210593,"text":"70210593 - 2020 - When source and path components trade off in ground-motion prediction equations","interactions":[],"lastModifiedDate":"2020-07-10T12:39:00.623841","indexId":"70210593","displayToPublicDate":"2020-05-27T11:10:39","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3372,"text":"Seismological Research Letters","onlineIssn":"1938-2057","printIssn":"0895-0695","active":true,"publicationSubtype":{"id":10}},"title":"When source and path components trade off in ground-motion prediction equations","docAbstract":"Current research on ground‐motion models (also known as ground‐motion prediction equations [GMPEs]) and their uncertainties focus on the separate contributions of source, path, and site to both median values and their variability. Implicit here is the assumption that the event term, path term, and site term reflect only properties of the source, path, and site, respectively. Events with larger stress drop generate more high‐frequency energy, and thus more ground motion. Therefore, the correlation of high‐frequency (i.e., peak ground acceleration [PGA] or peak ground velocity [PGV]) event terms in GMPEs with stress drop is taken to be genuine. However, PGA and PGV ground‐motion observations of the 2014
The clustering behavior of injection‐induced earthquakes is examined using one month of data recorded by the LArge‐n Seismic Survey in Oklahoma (LASSO) array. The 1829‐node seismic array was deployed in a 25 km×32 km area of active saltwater disposal in northern Oklahoma between 14 April and 10 May 2016. Injection rates in the study area are nearly constant around the time of the deployment. We develop a local magnitude (ML) equation for the region and estimate magnitudes for 1104 earthquakes recorded by the deployment. The determined earthquake magnitudes range from ML 0.01 to 3.0. The majority of earthquakes occurred between 1.5 and 5.5 km depth, and the shallowest earthquake depths overlap with the base of injection wells at depths between 1.5 and 2.5 km. We compute focal mechanisms of the largest events (ML>2.0), and find a mix of normal‐ and strike‐slip‐faulting types. Earthquakes occur regularly in time during the deployment, but are not evenly distributed in space across the study area, that is, they are spatially clustered. Analysis of the nearest‐neighbor distances in the space–time–magnitude domain shows the seismicity is dominated by single‐event clusters (i.e., independent events). This high proportion of single‐event clusters compared with multievent clusters has been previously noted for induced events at geothermal sites. When clustering occurs, the number of events in a cluster is typically small. We observe only four clusters with 10 or more events. For these larger clusters, we find equivalent numbers of foreshocks and aftershocks; however, the foreshock sequences are significantly longer in duration lasting days to tens of days, while aftershock sequences are observed only on the order of one day. The minimal clustering observed for events in the LASSO array suggests that the majority of events are being directly driven by stress changes due to local saltwater disposal.
","language":"English","publisher":"Seismological Society of America","doi":"10.1785/0120200101","usgsCitation":"Cochran, E.S., Wickham-Piotrowski, A., Kemna, K., Harrington, R.M., Dougherty, S., and Pena Castro, A., 2020, Minimal clustering of injection-induced earthquakes observed with a large-n seismic array: Bulletin of the Seismological Society of America, v. 110, no. 5, p. 2005-2017, https://doi.org/10.1785/0120200101.","productDescription":"13 p.","startPage":"2005","endPage":"2017","ipdsId":"IP-117066","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":378082,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Oklahoma","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -98.3,\n 36.5\n ],\n [\n -97.6,\n 36.5\n ],\n [\n -97.6,\n 37.1\n ],\n [\n -98.3,\n 37.1\n ],\n [\n -98.3,\n 36.5\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"110","issue":"5","noUsgsAuthors":false,"publicationDate":"2020-05-26","publicationStatus":"PW","contributors":{"authors":[{"text":"Cochran, Elizabeth S. 0000-0003-2485-4484 ecochran@usgs.gov","orcid":"https://orcid.org/0000-0003-2485-4484","contributorId":2025,"corporation":false,"usgs":true,"family":"Cochran","given":"Elizabeth","email":"ecochran@usgs.gov","middleInitial":"S.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":797736,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wickham-Piotrowski, A.","contributorId":239705,"corporation":false,"usgs":false,"family":"Wickham-Piotrowski","given":"A.","email":"","affiliations":[{"id":47980,"text":"Ecole Nationale Superieure","active":true,"usgs":false}],"preferred":false,"id":797737,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kemna, K.","contributorId":239706,"corporation":false,"usgs":false,"family":"Kemna","given":"K.","email":"","affiliations":[{"id":47982,"text":"Ruhr-Universitat Bochum","active":true,"usgs":false}],"preferred":false,"id":797738,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Harrington, R. M","contributorId":156299,"corporation":false,"usgs":false,"family":"Harrington","given":"R.","email":"","middleInitial":"M","affiliations":[{"id":6646,"text":"McGill University","active":true,"usgs":false}],"preferred":false,"id":797739,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Dougherty, S.","contributorId":220221,"corporation":false,"usgs":false,"family":"Dougherty","given":"S.","email":"","affiliations":[{"id":13711,"text":"Caltech","active":true,"usgs":false}],"preferred":false,"id":797740,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Pena Castro, A.","contributorId":215264,"corporation":false,"usgs":false,"family":"Pena Castro","given":"A.","email":"","affiliations":[{"id":36610,"text":"McGill","active":true,"usgs":false}],"preferred":false,"id":797741,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70212030,"text":"70212030 - 2020 - Subaqueous mass movements in the context of observations of contemporary slope failure","interactions":[],"lastModifiedDate":"2020-08-13T14:32:51.489254","indexId":"70212030","displayToPublicDate":"2020-05-26T09:30:25","publicationYear":"2020","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Subaqueous mass movements in the context of observations of contemporary slope failure","docAbstract":"The consequences of subaqueous landslides have been at the forefront of societal conscience more than ever in the last few years, with devastating and fatal events in the Indonesian Archipelago making global news. The new research presented in this volume demonstrates the breadth of ongoing investigation into subaqueous landslides, and shows that while events like the recent ones can be devastating, they are smaller in scale than those Earth has experienced in the past. Understanding the spectrum of subaqueous landslide processes, and therefore the potential societal impact, requires research across all spatial and temporal scales. This volume delivers a compilation of state-of-the-art papers covering regional landslide databases, advanced techniques for in situ measurements, numerical modelling of processes and hazards.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Subaqueous mass movements and their consequences: Advances in process understanding, monitoring and hazard assessments","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Geological Society of London","doi":"10.1144/SP500-2019-237","usgsCitation":"Mountjoy, J., Georgiopoulou, A., Chaytor, J., Clare, M., Gamboa, D., and Moernaut, J., 2020, Subaqueous mass movements in the context of observations of contemporary slope failure, chap. of Subaqueous mass movements and their consequences: Advances in process understanding, monitoring and hazard assessments, v. 500, p. 1-12, https://doi.org/10.1144/SP500-2019-237.","productDescription":"12 p.","startPage":"1","endPage":"12","ipdsId":"IP-114992","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":456652,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1144/sp500-2019-237","text":"Publisher Index Page"},{"id":377488,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"500","noUsgsAuthors":false,"publicationDate":"2020-05-26","publicationStatus":"PW","contributors":{"authors":[{"text":"Mountjoy, J.J.","contributorId":238167,"corporation":false,"usgs":false,"family":"Mountjoy","given":"J.J.","email":"","affiliations":[{"id":16802,"text":"National Institute of Water and Atmospheric Research, Wellington, New Zealand","active":true,"usgs":false}],"preferred":false,"id":796151,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Georgiopoulou, Aggeliki","contributorId":213588,"corporation":false,"usgs":false,"family":"Georgiopoulou","given":"Aggeliki","email":"","affiliations":[{"id":38808,"text":"UCD School of Earth Sciences, University College Dublin, Dublin, Ireland","active":true,"usgs":false}],"preferred":false,"id":796152,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Chaytor, Jason 0000-0001-8135-8677 jchaytor@usgs.gov","orcid":"https://orcid.org/0000-0001-8135-8677","contributorId":140095,"corporation":false,"usgs":true,"family":"Chaytor","given":"Jason","email":"jchaytor@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true},{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":796153,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Clare, M.A.","contributorId":238168,"corporation":false,"usgs":false,"family":"Clare","given":"M.A.","email":"","affiliations":[{"id":39676,"text":"National Oceanography Centre, Southampton, United Kingdom","active":true,"usgs":false}],"preferred":false,"id":796154,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Gamboa, D.","contributorId":238169,"corporation":false,"usgs":false,"family":"Gamboa","given":"D.","affiliations":[{"id":47706,"text":"Instituto Portugues do Mar e da Atmosfera, Lisbon, Portugal","active":true,"usgs":false}],"preferred":false,"id":796155,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Moernaut, J.","contributorId":238170,"corporation":false,"usgs":false,"family":"Moernaut","given":"J.","affiliations":[{"id":47707,"text":"Institute of Geology, University of Innsbruck, Austria","active":true,"usgs":false}],"preferred":false,"id":796156,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70210617,"text":"70210617 - 2020 - Mitigation ponds offer drought resiliency for western spadefoot (Spea hammondii) populations","interactions":[],"lastModifiedDate":"2020-06-12T16:55:39.929827","indexId":"70210617","displayToPublicDate":"2020-05-25T11:48:48","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1092,"text":"Bulletin, Southern California Academy of Sciences","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Mitigation ponds offer drought resiliency for western spadefoot (Spea hammondii) populations","title":"Mitigation ponds offer drought resiliency for western spadefoot (Spea hammondii) populations","docAbstract":"Synergistic effects of habitat loss, drought, and climate change exacerbate amphibian declines. In southern California urbanization continues to convert natural habitat, while prolonged drought reduces surface water availability. Protection of biodiversity may be provided through mitigation; however, the long-term effectiveness of different strategies is often unreported. As a mitigation measure for building a new development within occupied Spea hammondii (western spadefoot) habitat in Orange County, California, artificial breeding pools were constructed at two off-site locations. Spea hammondii tadpoles were translocated from the pools at the development site to two off-site locations in 2005–2006. We conducted surveys a decade later (2016) to determine if S. hammondii were persisting and breeding successfully at either the original development site or the human-made pools at the two mitigation sites. We also verified hydroperiods of any existing pools at all three locations to see if any held water long enough for successful S. hammondii recruitment through metamorphosis.
During our study, no pooling water was detected at two of three main sites surveyed, and no S. hammondii were observed at these locations. Twelve of the 14 pools created at only one of the two mitigation sites held water for over 30 d, and we detected successful breeding at seven of these pools. Recruitment in some mitigation ponds indicated that S. hammondii habitat can be created and maintained over 10+ yr, even during the fifth year of a catastrophic drought. Therefore, this may also serve as a conservation strategy to mitigate climate change and habitat loss.
","language":"English","publisher":"Southern California Academy of Sciences","doi":"10.3160/0038-3872-119.1.6","usgsCitation":"Baumberger, K.L., Backlin, A.R., Gallegos, E., Hitchcock, C.J., and Fisher, R.N., 2020, Mitigation ponds offer drought resiliency for western spadefoot (Spea hammondii) populations: Bulletin, Southern California Academy of Sciences, v. 119, no. 1, p. 6-17, https://doi.org/10.3160/0038-3872-119.1.6.","productDescription":"12 p.","startPage":"6","endPage":"17","ipdsId":"IP-115950","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":497412,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://www.biodiversitylibrary.org/part/425022","text":"External Repository"},{"id":375559,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","county":"Orange County","city":"East Orange","otherGeospatial":"Irvine Mesa, Shoestring Canyon","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -117.7902603149414,\n 33.6892100935496\n ],\n [\n -117.57705688476564,\n 33.6892100935496\n ],\n [\n -117.57705688476564,\n 33.82507883099226\n ],\n [\n -117.7902603149414,\n 33.82507883099226\n ],\n [\n -117.7902603149414,\n 33.6892100935496\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"119","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Baumberger, Katherine L. 0000-0002-2150-6372 kbaumberger@usgs.gov","orcid":"https://orcid.org/0000-0002-2150-6372","contributorId":225260,"corporation":false,"usgs":true,"family":"Baumberger","given":"Katherine","email":"kbaumberger@usgs.gov","middleInitial":"L.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":790859,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Backlin, Adam R. 0000-0001-5618-8426 abacklin@usgs.gov","orcid":"https://orcid.org/0000-0001-5618-8426","contributorId":3802,"corporation":false,"usgs":true,"family":"Backlin","given":"Adam","email":"abacklin@usgs.gov","middleInitial":"R.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":790860,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gallegos, Elizabeth 0000-0002-8402-2631 egallegos@usgs.gov","orcid":"https://orcid.org/0000-0002-8402-2631","contributorId":1528,"corporation":false,"usgs":true,"family":"Gallegos","given":"Elizabeth","email":"egallegos@usgs.gov","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":790861,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hitchcock, Cynthia Joan 0000-0001-9293-043X","orcid":"https://orcid.org/0000-0001-9293-043X","contributorId":225261,"corporation":false,"usgs":true,"family":"Hitchcock","given":"Cynthia","email":"","middleInitial":"Joan","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":790862,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Fisher, Robert N. 0000-0002-2956-3240 rfisher@usgs.gov","orcid":"https://orcid.org/0000-0002-2956-3240","contributorId":1529,"corporation":false,"usgs":true,"family":"Fisher","given":"Robert","email":"rfisher@usgs.gov","middleInitial":"N.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":790863,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70210595,"text":"70210595 - 2020 - Emergence of a zoonotic pathogen in a coastal marine sentinel: Capillaria hepatica (syn. Calodium hepaticum)-associated hepatitis in southern sea otters (Enhydra lutris nereis)","interactions":[],"lastModifiedDate":"2020-06-11T16:18:24.652869","indexId":"70210595","displayToPublicDate":"2020-05-25T11:14:58","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3912,"text":"Frontiers in Marine Science","onlineIssn":"2296-7745","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Emergence of a zoonotic pathogen in a coastal marine sentinel: Capillaria hepatica (syn. Calodium hepaticum)-associated hepatitis in southern sea otters (Enhydra lutris nereis)","title":"Emergence of a zoonotic pathogen in a coastal marine sentinel: Capillaria hepatica (syn. Calodium hepaticum)-associated hepatitis in southern sea otters (Enhydra lutris nereis)","docAbstract":"Capillaria hepatica is a globally distributed zoonotic nematode parasite that most commonly infects feral and native rats. Soil contact, pica, and living in close proximity to rat populations are risk factors for human infection. Larval nematodes and eggs that were morphologically consistent with C. hepatica were observed microscopically in livers of stranded southern sea otters (Enhydra lutris nereis) from California. Large (90–100 × 45–55 μm), barrel-shaped non-embryonated parasite eggs with large polar prominences and a roughened or striated surface, or 105–120 μm diameter larval aphasmid nematode profiles with a prominent stichosome and hypodermal bands were observed in the livers of three otters. The liver of a fourth animal exhibited serpiginous tracts of necrosis, micro-cavitation and pleocellular inflammation, with intralesional linear eosinophilic material that resembled cuticle from degenerating metazoan parasites. Capillaria hepatica-associated hepatitis and capsular adhesions were the cause of death for one otter, and parasite-associated liver lesions were observed in all cases. All infected otters were adult females that stranded from 2006 through 2016 at multiple sites along the central California coast. All cases stranded from December through May; during and soon after peak seasonal precipitation and land-sea runoff in California. This same seasonal pattern has been reported for other land-based parasites infecting southern sea otters. Neither C. hepatica, nor any similar nematodes have been reported from marine mammals, and southern sea otters are not typical hosts for C. hepatica or any other nematode parasites. The most likely route of exposure was via freshwater runoff containing embryonated eggs liberated from predated or decomposing terrestrial hosts, especially rats. Similar to the land-based parasites Toxoplasma gondii and Sarcocystis neurona, C. hepatica eggs may be concentrated and transmitted through filter-feeding marine invertebrates that serve as southern sea otter prey, which may also pose an unrecognized public health risk for people who consume these species.
","language":"English","publisher":"Frontiers","doi":"10.3389/fmars.2020.00335","usgsCitation":"Miller, M.A., Duignan, P.J., Dodd, E., Batac, F., Staedler, M.M., Tomoleoni, J.A., Murray, M.J., Harris, H., and Gardiner, C., 2020, Emergence of a zoonotic pathogen in a coastal marine sentinel: Capillaria hepatica (syn. Calodium hepaticum)-associated hepatitis in southern sea otters (Enhydra lutris nereis): Frontiers in Marine Science, v. 7, 335, 11 p., https://doi.org/10.3389/fmars.2020.00335.","productDescription":"335, 11 p.","ipdsId":"IP-099837","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":456661,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3389/fmars.2020.00335","text":"Publisher Index Page"},{"id":375521,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -121.79443359375,\n 36.31512514748051\n ],\n [\n -121.46484375,\n 36.82687474287728\n ],\n [\n -122.14599609375001,\n 37.37015718405753\n ],\n [\n -121.97021484374999,\n 37.54457732085582\n ],\n [\n -123.02490234375,\n 38.44498466889473\n ],\n [\n -123.42041015624999,\n 39.11301365149975\n ],\n [\n -123.55224609375,\n 39.53793974517628\n ],\n [\n -124.07958984375001,\n 39.38526381099774\n ],\n [\n -123.70605468750001,\n 38.685509760012\n ],\n [\n -123.15673828124999,\n 38.25543637637947\n ],\n [\n -123.04687499999999,\n 37.84015683604136\n ],\n [\n -122.6513671875,\n 37.71859032558816\n ],\n [\n -122.56347656249999,\n 37.28279464911045\n ],\n [\n -122.16796875,\n 36.80928470205937\n ],\n [\n -121.904296875,\n 36.66841891894786\n ],\n [\n -121.92626953124999,\n 36.33282808737917\n ],\n [\n -121.79443359375,\n 36.31512514748051\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"7","noUsgsAuthors":false,"publicationDate":"2020-05-25","publicationStatus":"PW","contributors":{"authors":[{"text":"Miller, Melissa A.","contributorId":57701,"corporation":false,"usgs":false,"family":"Miller","given":"Melissa","email":"","middleInitial":"A.","affiliations":[{"id":39007,"text":"CA Dept of Fish and Wildlife","active":true,"usgs":false}],"preferred":false,"id":790738,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Duignan, Padraig J","contributorId":225200,"corporation":false,"usgs":false,"family":"Duignan","given":"Padraig","email":"","middleInitial":"J","affiliations":[{"id":41072,"text":"The Marine Mammal Center","active":true,"usgs":false}],"preferred":false,"id":790739,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dodd, Erin","contributorId":91058,"corporation":false,"usgs":false,"family":"Dodd","given":"Erin","affiliations":[{"id":6952,"text":"California Department of Fish and Wildlife","active":true,"usgs":false}],"preferred":false,"id":790740,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Batac, Francesca","contributorId":214306,"corporation":false,"usgs":false,"family":"Batac","given":"Francesca","affiliations":[{"id":6953,"text":"Monterey Bay Aquarium","active":true,"usgs":false}],"preferred":false,"id":790741,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Staedler, Michelle M. 0000-0002-1101-6580","orcid":"https://orcid.org/0000-0002-1101-6580","contributorId":213742,"corporation":false,"usgs":false,"family":"Staedler","given":"Michelle","email":"","middleInitial":"M.","affiliations":[{"id":6953,"text":"Monterey Bay Aquarium","active":true,"usgs":false}],"preferred":false,"id":790742,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Tomoleoni, Joseph A. 0000-0001-6980-251X jtomoleoni@usgs.gov","orcid":"https://orcid.org/0000-0001-6980-251X","contributorId":167551,"corporation":false,"usgs":true,"family":"Tomoleoni","given":"Joseph","email":"jtomoleoni@usgs.gov","middleInitial":"A.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":790743,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Murray, Michael J.","contributorId":206852,"corporation":false,"usgs":false,"family":"Murray","given":"Michael","email":"","middleInitial":"J.","affiliations":[{"id":37418,"text":"Monterey Bay Aquarium, Monterey, CA","active":true,"usgs":false}],"preferred":false,"id":790744,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Harris, Heather","contributorId":216687,"corporation":false,"usgs":false,"family":"Harris","given":"Heather","affiliations":[{"id":39505,"text":"NOAA Fisheries West Coast Region, Morro Bay, California, United States of America","active":true,"usgs":false}],"preferred":false,"id":790745,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Gardiner, Chris","contributorId":225201,"corporation":false,"usgs":false,"family":"Gardiner","given":"Chris","affiliations":[{"id":41073,"text":"Veterinary Pathology Services, Joint Pathology Center","active":true,"usgs":false}],"preferred":false,"id":790746,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}} ,{"id":70211523,"text":"70211523 - 2020 - Freshwater crabs (Decapoda: Pseudothelphusidae) increase rates of leaf breakdown in a neotropical headwater stream","interactions":[],"lastModifiedDate":"2020-09-23T15:52:53.319925","indexId":"70211523","displayToPublicDate":"2020-05-21T12:07:52","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1696,"text":"Freshwater Biology","active":true,"publicationSubtype":{"id":10}},"title":"Freshwater crabs (Decapoda: Pseudothelphusidae) increase rates of leaf breakdown in a neotropical headwater stream","docAbstract":"Mount Cleveland is one of Alaska's most active volcanoes, yet little is known about the magmatic system driving persistent and dynamic volcanic activity. Volcanic gas and melt inclusion (MI) data from 2016 were combined to investigate shallow magmatic processes. SO2 emission rates were between 166 and 324 t/day and the H2O/SO2 was 600 ± 53, whereas CO2 and H2S were below detection. Olivine‐, clinopyroxene‐, and plagioclase‐hosted MIs have up to 3.8 wt.% H2O, 514 ppm CO2, and 2,320 ppm S. Equilibration depths, based on MI H2O contents, suggest that a magmatic column extended from 0.5 to 3.0 km (~10–60 MPa). We used MI data to empirically model open‐system H‐C‐S degassing from 0 to 12 km and found that a column of magma between 0.5 and 3 km could produce the measured gas H2O/SO2 ratio. However, additional magma deeper than 3 km is required to sustain emissions over periods greater than days to weeks, if the observed vent dimension is a valid proxy for the conduit. Assuming an initial S content of 2,320 ppm, the total magma supply needed to sustain the annual SO2 flux was 5 to 9.8 Mm3/yr, suggesting a maximum intrusive‐to‐extrusive ratio of 13:1. The model predicts degassing of <50 t/day CO2 for July 2016, which corresponds to a maximum predicted CO2/SO2 of 0.2. Ultimately, frequent recharge from deeper, less degassed magma is required to drive the continuous activity observed over multiple years. During periods of recharge we would expect lower H2O/SO2 and measurable volcanic CO2.
","language":"English","publisher":"Geological Society of America","doi":"10.1029/2019GC008882","usgsCitation":"Werner, C., Rasmussen, D.J., Plank, T., Kelly, P.J., Kern, C., Lopez, T., Gliss, J., Power, J., Roman, D., Izbekov, P., and Lyons, J.J., 2020, Linking subsurface to surface using gas emission and melt inclusion data at Mount Cleveland volcano, Alaska: Geochemistry, Geophysics, Geosystems, v. 21, no. 7, e2019GC008882, 33 p., https://doi.org/10.1029/2019GC008882.","productDescription":"e2019GC008882, 33 p.","ipdsId":"IP-114946","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":456669,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doaj.org/article/0330702a2b9b4b9bb85171b1a5ab3440","text":"Publisher Index Page"},{"id":436956,"rank":0,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P9DRMV0U","text":"USGS data release","linkHelpText":"Volcanic Gas Measurements at Mount Cleveland, Alaska 2016"},{"id":377282,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Mount Cleveland","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -170.0082778930664,\n 52.78802219709245\n ],\n [\n -169.87781524658203,\n 52.78802219709245\n ],\n [\n -169.87781524658203,\n 52.856486091099804\n ],\n [\n -170.0082778930664,\n 52.856486091099804\n ],\n [\n -170.0082778930664,\n 52.78802219709245\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"21","issue":"7","noUsgsAuthors":false,"publicationDate":"2020-07-16","publicationStatus":"PW","contributors":{"authors":[{"text":"Werner, Cynthia 0000-0003-3311-6694","orcid":"https://orcid.org/0000-0003-3311-6694","contributorId":11444,"corporation":false,"usgs":true,"family":"Werner","given":"Cynthia","affiliations":[],"preferred":false,"id":795422,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rasmussen, Daniel J.","contributorId":237828,"corporation":false,"usgs":false,"family":"Rasmussen","given":"Daniel","email":"","middleInitial":"J.","affiliations":[{"id":47619,"text":"Lamont-Doherty Earth Observatory, Columbia University, New York, NY 10027","active":true,"usgs":false}],"preferred":false,"id":795423,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Plank, Terry","contributorId":237829,"corporation":false,"usgs":false,"family":"Plank","given":"Terry","affiliations":[{"id":47619,"text":"Lamont-Doherty Earth Observatory, Columbia University, New York, NY 10027","active":true,"usgs":false}],"preferred":false,"id":795424,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kelly, Peter J. 0000-0002-3868-1046 pkelly@usgs.gov","orcid":"https://orcid.org/0000-0002-3868-1046","contributorId":5931,"corporation":false,"usgs":true,"family":"Kelly","given":"Peter","email":"pkelly@usgs.gov","middleInitial":"J.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":795425,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Kern, Christoph 0000-0002-8920-5701 ckern@usgs.gov","orcid":"https://orcid.org/0000-0002-8920-5701","contributorId":3387,"corporation":false,"usgs":true,"family":"Kern","given":"Christoph","email":"ckern@usgs.gov","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":795426,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Lopez, 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growth and stable carbon isotopes","docAbstract":"Long duration tree-ring records with annual precision allow for the reconstruction of past growing conditions. Investigations limited to the most common tree-ring proxy of ring width can be difficult to interpret, however, because radial growth is affected by multiple environmental processes. Furthermore, studies of living trees may miss important effects of drought on tree survival and forest changes. Stable carbon isotopes can help distinguish drought from other environmental factors that influence tree-ring width and forest stand condition. We quantified tree-ring radial expansion and stable carbon isotope ratios (δ13C) in riparian cottonwoods (Populus angustifolia and P. angustifolia x P. trichocarpa) along Snake Creek in Nevada, USA. We investigated how hydrological drought affected tree growth and death at annual to half-century scales in a partially dewatered reach (DW) compared to reference reaches immediately upstream and downstream. A gradual decline in tree-ring basal area increment (BAI) began at DW concurrent to streamflow diversion in 1961. BAI at DW diverged from one reference reach immediately but not from the other until nearly 50 years later. In contrast, tree-ring δ13C had a rapid and sustained increase following diversion at DW only, providing the stronger and clearer drought signal. BAI and δ13C were not significantly correlated prior to diversion; after diversion they both reflected drought and were correlated for DW trees only. Cluster analyses distinguished all trees in DW from those in reference reaches based on δ13C, but BAI patterns left trees intermixed across reaches. Branch and tree mortality were also highest and canopy vigor was lowest in DW. Results indicate that water scarcity strongly limited cottonwood photosynthesis following flow diversion, thus reducing carbon assimilation, basal growth and survival. The dieback was not sudden, but occurred over decades as carbon deficits mounted and depleted streamflow left trees increasingly vulnerable to local meteorological drought.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.scitotenv.2020.139523","usgsCitation":"Schook, D.M., Friedman, J.M., Stricker, C.A., Csank, A.Z., and Cooper, D.J., 2020, Short- and long-term responses of riparian cottonwoods (Populus spp.) to flow diversion: Analysis of tree-ring radial growth and stable carbon isotopes: Science of the Total Environment, v. 735, 139523, 11 p., https://doi.org/10.1016/j.scitotenv.2020.139523.","productDescription":"139523, 11 p.","ipdsId":"IP-117602","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":456676,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.scitotenv.2020.139523","text":"Publisher Index Page"},{"id":377443,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Nevada","otherGeospatial":"Great Basin Nation Park, Snake Creek","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -114.41436767578124,\n 38.791556581282244\n ],\n [\n -114.09576416015624,\n 38.791556581282244\n ],\n [\n -114.09576416015624,\n 39.07784203269269\n ],\n [\n -114.41436767578124,\n 39.07784203269269\n ],\n [\n -114.41436767578124,\n 38.791556581282244\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"735","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Schook, Derek M.","contributorId":178325,"corporation":false,"usgs":false,"family":"Schook","given":"Derek","email":"","middleInitial":"M.","affiliations":[{"id":13539,"text":"Department of Geosciences, Colorado State University, Fort Collins, Colorado","active":true,"usgs":false}],"preferred":false,"id":795997,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Friedman, Jonathan M. 0000-0002-1329-0663 friedmanj@usgs.gov","orcid":"https://orcid.org/0000-0002-1329-0663","contributorId":2473,"corporation":false,"usgs":true,"family":"Friedman","given":"Jonathan","email":"friedmanj@usgs.gov","middleInitial":"M.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":795998,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Stricker, Craig A. 0000-0002-5031-9437 cstricker@usgs.gov","orcid":"https://orcid.org/0000-0002-5031-9437","contributorId":1097,"corporation":false,"usgs":true,"family":"Stricker","given":"Craig","email":"cstricker@usgs.gov","middleInitial":"A.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":795999,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Csank, Adam Z.","contributorId":238091,"corporation":false,"usgs":false,"family":"Csank","given":"Adam","email":"","middleInitial":"Z.","affiliations":[{"id":37455,"text":"University of Nevada","active":true,"usgs":false}],"preferred":false,"id":796000,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Cooper, David J.","contributorId":196510,"corporation":false,"usgs":false,"family":"Cooper","given":"David","email":"","middleInitial":"J.","affiliations":[{"id":13017,"text":"Department of Forest and Rangeland Stewardship, Colorado State University","active":true,"usgs":false}],"preferred":false,"id":796001,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70211551,"text":"70211551 - 2020 - The historic events at Kilauea Volcano in 2018: Summit collapse, rift zone eruption, and Mw 6.9 earthquake: Preface to the special issue","interactions":[],"lastModifiedDate":"2020-07-30T14:53:32.42354","indexId":"70211551","displayToPublicDate":"2020-05-20T09:47:22","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1109,"text":"Bulletin of Volcanology","active":true,"publicationSubtype":{"id":10}},"title":"The historic events at Kilauea Volcano in 2018: Summit collapse, rift zone eruption, and Mw 6.9 earthquake: Preface to the special issue","docAbstract":"Kīlauea Volcano, on the Island of Hawaiʻi, has had a prominent role in the science of volcanology, and a long history of generating new insights into how volcanoes operate (Tilling et al. 2014; Garcia 2015). Native Hawaiians shared ideas on the behavior of the volcano with early Western visitors to Kīlauea, addressing the basic geometry of magma supply and transport (Ellis 1825; Bishop 1827). The recognition that magma originated at the summit and was transferred at shallow levels to the flanks implied that these ideas were rooted in centuries of observation preceding Western contact. The lava lake activity at Kīlauea’s summit in the 1800s and early 1900s fascinated early geologists, such as James Dana (1890), who published one of the first inquiries into the fundamental processes of Hawaiian volcanoes. The sustained activity led to the 1912 founding of the Hawaiian Volcano Observatory, one of the world’s first volcano observatories, by Thomas Jaggar (Tilling et al. 2014). Kīlauea’s activity in the 20th century contributed to the development of many modern volcano monitoring techniques (Tilling et al. 2014), which helped refine conceptual models of how volcanoes behave (Eaton and Murata, 1960).","language":"English","publisher":"Springer","doi":"10.1007/s00445-020-01377-5","usgsCitation":"Patrick, M.R., Johanson, I.A., Shea, T., and Waite, G., 2020, The historic events at Kilauea Volcano in 2018: Summit collapse, rift zone eruption, and Mw 6.9 earthquake: Preface to the special issue: Bulletin of Volcanology, v. 82, 46, 4 p., https://doi.org/10.1007/s00445-020-01377-5.","productDescription":"46, 4 p.","ipdsId":"IP-117306","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":456682,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1007/s00445-020-01377-5","text":"Publisher Index Page"},{"id":376889,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Hawaii","otherGeospatial":"Kilauea volcano","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -155.3144073486328,\n 19.385000077878544\n ],\n [\n -155.22789001464844,\n 19.385000077878544\n ],\n [\n -155.22789001464844,\n 19.44652177370614\n ],\n [\n -155.3144073486328,\n 19.44652177370614\n ],\n [\n -155.3144073486328,\n 19.385000077878544\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"82","noUsgsAuthors":false,"publicationDate":"2020-05-20","publicationStatus":"PW","contributors":{"authors":[{"text":"Patrick, Matthew R. 0000-0002-8042-6639 mpatrick@usgs.gov","orcid":"https://orcid.org/0000-0002-8042-6639","contributorId":2070,"corporation":false,"usgs":true,"family":"Patrick","given":"Matthew","email":"mpatrick@usgs.gov","middleInitial":"R.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":794594,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Johanson, Ingrid A. 0000-0002-6049-2225","orcid":"https://orcid.org/0000-0002-6049-2225","contributorId":215613,"corporation":false,"usgs":true,"family":"Johanson","given":"Ingrid","email":"","middleInitial":"A.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":794595,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Shea, Thomas","contributorId":236886,"corporation":false,"usgs":false,"family":"Shea","given":"Thomas","affiliations":[{"id":47560,"text":"University of Hawaii Manoa","active":true,"usgs":false}],"preferred":false,"id":794596,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Waite, Greg 0000-0002-7092-8125","orcid":"https://orcid.org/0000-0002-7092-8125","contributorId":215624,"corporation":false,"usgs":false,"family":"Waite","given":"Greg","email":"","affiliations":[{"id":36614,"text":"Michigan Tech","active":true,"usgs":false}],"preferred":false,"id":794597,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70210218,"text":"70210218 - 2020 - Seismic velocity variations associated with the 2018 lower East Rift Zone eruption of Kīlauea, Hawaiʻi","interactions":[],"lastModifiedDate":"2020-05-21T12:35:22.76059","indexId":"70210218","displayToPublicDate":"2020-05-20T07:31:12","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1109,"text":"Bulletin of Volcanology","active":true,"publicationSubtype":{"id":10}},"title":"Seismic velocity variations associated with the 2018 lower East Rift Zone eruption of Kīlauea, Hawaiʻi","docAbstract":"The 2018 lower East Rift Zone eruption of Kīlauea (Hawai‘i) marked a dramatic change in the volcano’s 35-year-long rift zone eruption. The collapse of the middle East Rift Zone vent Pu‘u ‘Ō‘ō was followed by one of the volcano’s most voluminous eruptions in 500 years. Over the course of this 3-month eruption, the draining of summit-stored magma led to near-daily collapses of a portion of the caldera and ultimately up to 500 m of summit subsidence. While deformation data indicated that the summit and middle East Rift Zone were inflating for the previous several years, why Pu‘u ‘Ō‘ō collapsed and what initiated down-rift dike propagation remains unclear. Using ambient noise seismic interferometry, we show that a Ml5.3 decollement earthquake beneath Kīlauea’s south flank in June 2017 induced a coseismic decrease of up to 0.30% in seismic velocity throughout the volcano. This velocity decrease may have been caused by dynamic stress–induced shallow crustal fracture, i.e., weakening to dilatant crack growth, and was greatest near Pu‘u ‘Ō‘ō. Additionally, we verify a pre-eruptive increase in seismic velocity, consistent with increasing pressurization in the volcano’s shallow summit magma reservoir. This velocity increase occurred coincident with the first in a series of lower-crustal earthquake swarms, 6 days before a 2-month period of rapid summit and middle East Rift Zone inflation. The increase in up-rift magma-static pressure, combined with the pre-existing weakness from the June 2017 earthquake, may have facilitated down-rift dike propagation and the devastating 2018 eruption.","language":"English","publisher":"Springer","doi":"10.1007/s00445-020-01380-w","usgsCitation":"Flinders, A.F., Caudron, C., Johanson, I.A., Taira, T., Shiro, B., and Haney, M.M., 2020, Seismic velocity variations associated with the 2018 lower East Rift Zone eruption of Kīlauea, Hawaiʻi: Bulletin of Volcanology, v. 82, 47, 13 p., https://doi.org/10.1007/s00445-020-01380-w.","productDescription":"47, 13 p.","ipdsId":"IP-107347","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":456690,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1007/s00445-020-01380-w","text":"Publisher Index Page"},{"id":374979,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Hawaii","otherGeospatial":"Kīlauea volcano","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -155.33843994140625,\n 19.303367019780318\n ],\n [\n -155.16815185546875,\n 19.303367019780318\n ],\n [\n -155.16815185546875,\n 19.460765580777778\n ],\n [\n -155.33843994140625,\n 19.460765580777778\n ],\n [\n -155.33843994140625,\n 19.303367019780318\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"82","noUsgsAuthors":false,"publicationDate":"2020-08-04","publicationStatus":"PW","contributors":{"authors":[{"text":"Flinders, Ashton F. 0000-0003-2483-4635 aflinders@usgs.gov","orcid":"https://orcid.org/0000-0003-2483-4635","contributorId":196960,"corporation":false,"usgs":true,"family":"Flinders","given":"Ashton","email":"aflinders@usgs.gov","middleInitial":"F.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true},{"id":153,"text":"California Volcano Observatory","active":false,"usgs":true}],"preferred":false,"id":789582,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Caudron, Corentin 0000-0002-3748-0007","orcid":"https://orcid.org/0000-0002-3748-0007","contributorId":224799,"corporation":false,"usgs":false,"family":"Caudron","given":"Corentin","email":"","affiliations":[{"id":40942,"text":"Université Grenoble Alpes, Université Savoie, ISTerre, Grenoble, France","active":true,"usgs":false}],"preferred":false,"id":789583,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Johanson, Ingrid A. 0000-0002-6049-2225","orcid":"https://orcid.org/0000-0002-6049-2225","contributorId":215613,"corporation":false,"usgs":true,"family":"Johanson","given":"Ingrid","email":"","middleInitial":"A.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":789584,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Taira, Taka’aki 0000-0002-6170-797X","orcid":"https://orcid.org/0000-0002-6170-797X","contributorId":222985,"corporation":false,"usgs":false,"family":"Taira","given":"Taka’aki","email":"","affiliations":[{"id":36942,"text":"University of California, Berkeley","active":true,"usgs":false}],"preferred":false,"id":789585,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Shiro, Brian 0000-0001-8756-288X","orcid":"https://orcid.org/0000-0001-8756-288X","contributorId":204040,"corporation":false,"usgs":true,"family":"Shiro","given":"Brian","email":"","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":789586,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Haney, Matthew M. 0000-0003-3317-7884 mhaney@usgs.gov","orcid":"https://orcid.org/0000-0003-3317-7884","contributorId":172948,"corporation":false,"usgs":true,"family":"Haney","given":"Matthew","email":"mhaney@usgs.gov","middleInitial":"M.","affiliations":[{"id":615,"text":"Volcano Hazards Program","active":true,"usgs":true},{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":789587,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70210392,"text":"70210392 - 2020 - Poultry litter as potential source of pathogens and other contaminants in groundwater and surface water proximal to large-scale confined poultry feeding operations","interactions":[],"lastModifiedDate":"2020-06-02T12:48:37.500079","indexId":"70210392","displayToPublicDate":"2020-05-18T07:43:01","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3352,"text":"Science of the Total Environment","active":true,"publicationSubtype":{"id":10}},"title":"Poultry litter as potential source of pathogens and other contaminants in groundwater and surface water proximal to large-scale confined poultry feeding operations","docAbstract":"Manure from livestock production has been associated with the contamination of water resources. To date, research has primarily focused on runoff of these contaminants from animal operations into surface water, and the introduction of poultry-derived pathogenic zoonoses and other contaminants into groundwater is under-investigated. We characterized pathogens and other microbial and chemical contaminants in poultry litter, groundwater, and surface water near confined poultry feeding operations (chicken layer, turkey) at 9 locations in Iowa and one in Wisconsin from May and June 2016. Results indicate that poultry litter from large-scale poultry confined feeding operations is a likely source of environmental contamination and that groundwater is also susceptible to such poultry-derived contamination. Poultry litter, groundwater, and surface water samples had detections of viable bacteria growth (Salmonella spp., enterococci, staphylococci, lactobacilli), multi-drug resistant Salmonella DT104 flost and int genes, F+ RNA coliphage (group I and IV), antibiotic resistance genes (ARGs; blaDHA, blaOXA-48, blaTEM, blaCMY-2, tetM), phytoestrogens (biochanin A, daidzein, formononetin), and a progestin (progesterone). In addition, mcr-1 (a colistin ARG), was detected in a groundwater sample and in another groundwater sample, antibiotic resistant isolates were positive for Brevibacterium spp., a potential signature of poultry in the environment. Detectable estrogenicity was not measured in poultry litter, but was observed in 67% of the surface water samples and 22% were above the U.S. Environmental Protection Agency trigger level of 1 ng/L. The transport of microbial pathogens to groundwater was significantly greater (p < 0.001) than the transport of trace organic contaminants to groundwater in this study. In addition to viable pathogens, several clinically important ARGs were detected in litter, groundwater, and surface water, highlighting the need for additional research on sources of these contaminants in livestock dominated areas.","language":"English","publisher":"Elsevier","doi":"10.1016/j.scitotenv.2020.139459","usgsCitation":"Hubbard, L.E., Givens, C., Griffin, D.W., Iwanowicz, L., Meyer, M., and Kolpin, D., 2020, Poultry litter as potential source of pathogens and other contaminants in groundwater and surface water proximal to large-scale confined poultry feeding operations: Science of the Total Environment, v. 735, 139459, 15 p., https://doi.org/10.1016/j.scitotenv.2020.139459.","productDescription":"139459, 15 p.","ipdsId":"IP-115947","costCenters":[{"id":37947,"text":"Upper Midwest Water Science Center","active":true,"usgs":true}],"links":[{"id":456734,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.scitotenv.2020.139459","text":"Publisher Index Page"},{"id":375239,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Iowa, Wisconsin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -91.2744140625,\n 43.48481212891603\n ],\n [\n -96.591796875,\n 43.54854811091286\n ],\n [\n -96.1083984375,\n 41.705728515237524\n ],\n [\n -95.625,\n 40.613952441166596\n ],\n [\n -91.23046875,\n 40.48038142908172\n ],\n [\n -91.0986328125,\n 41.21172151054787\n ],\n [\n -90.65917968749999,\n 41.541477666790286\n ],\n [\n -90.04394531249999,\n 41.902277040963696\n ],\n [\n -90.3515625,\n 42.45588764197166\n ],\n [\n -88.9453125,\n 42.58544425738491\n ],\n [\n -89.384765625,\n 43.89789239125797\n ],\n [\n -91.318359375,\n 43.99281450048989\n ],\n [\n -91.2744140625,\n 43.48481212891603\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"735","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Hubbard, Laura E. 0000-0003-3813-1500 lhubbard@usgs.gov","orcid":"https://orcid.org/0000-0003-3813-1500","contributorId":4221,"corporation":false,"usgs":true,"family":"Hubbard","given":"Laura","email":"lhubbard@usgs.gov","middleInitial":"E.","affiliations":[{"id":37947,"text":"Upper Midwest Water Science Center","active":true,"usgs":true}],"preferred":true,"id":790146,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Givens, Carrie E. 0000-0003-2543-9610","orcid":"https://orcid.org/0000-0003-2543-9610","contributorId":205657,"corporation":false,"usgs":true,"family":"Givens","given":"Carrie E.","affiliations":[{"id":382,"text":"Michigan Water Science Center","active":true,"usgs":true}],"preferred":true,"id":790147,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Griffin, Dale W. 0000-0003-1719-5812 dgriffin@usgs.gov","orcid":"https://orcid.org/0000-0003-1719-5812","contributorId":2178,"corporation":false,"usgs":true,"family":"Griffin","given":"Dale","email":"dgriffin@usgs.gov","middleInitial":"W.","affiliations":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":790148,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Iwanowicz, Luke 0000-0002-1197-6178","orcid":"https://orcid.org/0000-0002-1197-6178","contributorId":221231,"corporation":false,"usgs":true,"family":"Iwanowicz","given":"Luke","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":false,"id":790149,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Meyer, Michael T. 0000-0001-6006-7985","orcid":"https://orcid.org/0000-0001-6006-7985","contributorId":205665,"corporation":false,"usgs":true,"family":"Meyer","given":"Michael T.","affiliations":[{"id":353,"text":"Kansas Water Science Center","active":false,"usgs":true}],"preferred":true,"id":790150,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Kolpin, Dana W. 0000-0002-3529-6505","orcid":"https://orcid.org/0000-0002-3529-6505","contributorId":205652,"corporation":false,"usgs":true,"family":"Kolpin","given":"Dana W.","affiliations":[{"id":36532,"text":"Central Midwest Water Science Center","active":true,"usgs":true},{"id":35680,"text":"Illinois-Iowa-Missouri Water Science Center","active":true,"usgs":true},{"id":37947,"text":"Upper Midwest Water Science Center","active":true,"usgs":true},{"id":351,"text":"Iowa Water Science Center","active":true,"usgs":true}],"preferred":true,"id":790151,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70211294,"text":"70211294 - 2020 - Good prospects: High-resolution telemetry data suggests novel brood-site selection behavior in waterfowl","interactions":[],"lastModifiedDate":"2020-07-22T14:36:02.905069","indexId":"70211294","displayToPublicDate":"2020-05-17T09:32:07","publicationYear":"2020","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5550,"text":"Animal Behavior and Cognition","active":true,"publicationSubtype":{"id":10}},"title":"Good prospects: High-resolution telemetry data suggests novel brood-site selection behavior in waterfowl","docAbstract":"Breeding success should increase with prior knowledge of the surrounding environment, which is dependent upon an animal’s ability to evaluate habitat. Prospecting for nesting locations and migratory stop-over sites are well-established behaviors among bird species. We assessed whether ducks in Suisun Marsh, California, USA, a brackish marsh, prospect for suitable wetlands in the week prior to brooding. K-means cluster analyses grouped 29 mallard and gadwall hens into 3 groups. One group (n=13) demonstrated evidence of brood site prospecting with fewest and latest pre-brooding wetland visits. Of these hens, seven visited their future brood pond an average of 1.14 times and only shortly before brooding (1.29 days), obtaining current information on habitat suitability. For the remaining 6 hens, we did not detect a brooding wetland visit which may be due to data limitations or the need to prospect the specific brood pond was precluded by having acquired sufficient familiarity with the wetland habitat during nest breaks in adjacent wetlands. The second identified group of hens (n=11) visited the brooding wetland most frequently (on 4.55 days), farther in advance (5.27 days), with the fewest unique wetland visits and the earliest brooding date (May 26). The final group of hens (n=5) were the latest to brood (Jun 21) and visited the most wetlands, possibly due to less water or more broods present across the landscape. Brood ponds were always farther from the nest than the nearest ponds indicating that habitat suitability or presence of conspecifics is more important to brood-site selection. Prospecting provides hens with knowledge about current habitat conditions and allows them to ‘crowdsource’ public information regarding use of that habitat by other brooding hens. Prospecting may therefore, benefit ducks inhabiting ephemeral habitats like those within Suisun Marsh, where brood habitat is limited, and water cover changes rapidly during the breeding season.","language":"English","publisher":"Elsevier","doi":"10.1016/j.anbehav.2020.04.013","usgsCitation":"Casazza, M.L., McDuie, F., Lorenz, A., Keiter, D.A., Yee, J.L., Overton, C.T., Peterson, S.H., Feldheim, C.L., and Ackerman, J., 2020, Good prospects: High-resolution telemetry data suggests novel brood-site selection behavior in waterfowl: Animal Behavior and Cognition, v. 164, p. 163-172, https://doi.org/10.1016/j.anbehav.2020.04.013.","productDescription":"10 p.","startPage":"163","endPage":"172","ipdsId":"IP-113757","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":456738,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.anbehav.2020.04.013","text":"Publisher Index Page"},{"id":376630,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"San Francisco Bay, Suisun Marsh","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -122.0684051513672,\n 38.028622234587964\n ],\n [\n -121.8610382080078,\n 38.028622234587964\n ],\n [\n -121.8610382080078,\n 38.17559185481662\n ],\n [\n -122.0684051513672,\n 38.17559185481662\n ],\n [\n -122.0684051513672,\n 38.028622234587964\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"164","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Casazza, Michael L. 0000-0002-5636-735X mike_casazza@usgs.gov","orcid":"https://orcid.org/0000-0002-5636-735X","contributorId":2091,"corporation":false,"usgs":true,"family":"Casazza","given":"Michael","email":"mike_casazza@usgs.gov","middleInitial":"L.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":793599,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McDuie, Fiona 0000-0002-1948-5613","orcid":"https://orcid.org/0000-0002-1948-5613","contributorId":222936,"corporation":false,"usgs":true,"family":"McDuie","given":"Fiona","email":"","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":793600,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lorenz, Austen 0000-0003-3657-5941","orcid":"https://orcid.org/0000-0003-3657-5941","contributorId":222610,"corporation":false,"usgs":true,"family":"Lorenz","given":"Austen","email":"","affiliations":[{"id":657,"text":"Western Geographic Science Center","active":true,"usgs":true}],"preferred":true,"id":793601,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Keiter, David A.","contributorId":176521,"corporation":false,"usgs":false,"family":"Keiter","given":"David","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":793602,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Yee, Julie L. 0000-0003-1782-157X julie_yee@usgs.gov","orcid":"https://orcid.org/0000-0003-1782-157X","contributorId":3246,"corporation":false,"usgs":true,"family":"Yee","given":"Julie","email":"julie_yee@usgs.gov","middleInitial":"L.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":793603,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Overton, Cory T. 0000-0002-5060-7447 coverton@usgs.gov","orcid":"https://orcid.org/0000-0002-5060-7447","contributorId":3262,"corporation":false,"usgs":true,"family":"Overton","given":"Cory","email":"coverton@usgs.gov","middleInitial":"T.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":793604,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Peterson, Sarah H. 0000-0003-2773-3901 sepeterson@usgs.gov","orcid":"https://orcid.org/0000-0003-2773-3901","contributorId":167181,"corporation":false,"usgs":true,"family":"Peterson","given":"Sarah","email":"sepeterson@usgs.gov","middleInitial":"H.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":793605,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Feldheim, Cliff L.","contributorId":206561,"corporation":false,"usgs":false,"family":"Feldheim","given":"Cliff","email":"","middleInitial":"L.","affiliations":[{"id":37342,"text":"California Department of Water Resources","active":true,"usgs":false}],"preferred":false,"id":793606,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Ackerman, Joshua T. 0000-0002-3074-8322 jackerman@usgs.gov","orcid":"https://orcid.org/0000-0002-3074-8322","contributorId":147078,"corporation":false,"usgs":true,"family":"Ackerman","given":"Joshua T.","email":"jackerman@usgs.gov","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":false,"id":793607,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}} ]}