{"pageNumber":"1264","pageRowStart":"31575","pageSize":"25","recordCount":165309,"records":[{"id":70134231,"text":"ofr20141240 - 2014 - A reconnaissance for signs of a Mississippi Valley-type lead-zinc mineralizing system on the eastern flank of the Rutbah Uplift, Anbar Province, Iraq","interactions":[],"lastModifiedDate":"2014-12-02T08:50:11","indexId":"ofr20141240","displayToPublicDate":"2014-12-02T09:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2014-1240","title":"A reconnaissance for signs of a Mississippi Valley-type lead-zinc mineralizing system on the eastern flank of the Rutbah Uplift, Anbar Province, Iraq","docAbstract":"

Reconnaissance field visits and rock sampling were conducted at eight geologically selected locations within Mesozoic rocks on the eastern flank of the Rutbah Uplift, Anbar Province, western Iraq, in an attempt to determine if these rocks have been affected by a Mississippi Valley-Type (MVT) lead-zinc mineralizing system. Samples subsequently were studied by carbonate mineral staining, transmitted and reflected light petrology, and scanning electron microscopy with semi-quantitative energy dispersive elemental analyses. Single samples were studied by each, inductively coupled plasma mass spectrometry analyses of trace elements and fluid inclusion microthermometry. Permissive evidence indicates that there has been a MVT system present, but none of the evidence is considered definitive.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20141240","collaboration":"Iraqi State Company for Geological Survey and Mining, P.O. Box 986 Alwiyz, Baghdad, Iraq","usgsCitation":"Hayes, T.S., Mustafa, M., and Bennet, T., 2014, A reconnaissance for signs of a Mississippi Valley-type lead-zinc mineralizing system on the eastern flank of the Rutbah Uplift, Anbar Province, Iraq: U.S. Geological Survey Open-File Report 2014-1240, iv, 28 p., https://doi.org/10.3133/ofr20141240.","productDescription":"iv, 28 p.","numberOfPages":"36","onlineOnly":"Y","additionalOnlineFiles":"N","ipdsId":"IP-051092","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":296336,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr20141240.JPG"},{"id":296316,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2014/1240/"},{"id":296335,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2014/1240/pdf/ofr2014-1240.pdf"}],"country":"Iraq","county":"Anbar Province","otherGeospatial":"Rutbah Uplift","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"547ed49ae4b09357f05f8a17","contributors":{"authors":[{"text":"Hayes, Timothy S. thayes@usgs.gov","contributorId":1547,"corporation":false,"usgs":true,"family":"Hayes","given":"Timothy","email":"thayes@usgs.gov","middleInitial":"S.","affiliations":[{"id":662,"text":"Western Mineral and Environmental Resources Science Center","active":true,"usgs":true},{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":525961,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mustafa, Mazin","contributorId":127641,"corporation":false,"usgs":false,"family":"Mustafa","given":"Mazin","email":"","affiliations":[],"preferred":false,"id":526056,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bennet, Thair","contributorId":127642,"corporation":false,"usgs":false,"family":"Bennet","given":"Thair","email":"","affiliations":[],"preferred":false,"id":526057,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70133949,"text":"70133949 - 2014 - Colorimetric microtiter plate receptor-binding assay for the detection of freshwater and marine neurotoxins targeting the nicotinic acetylcholine receptors","interactions":[],"lastModifiedDate":"2018-09-14T16:45:35","indexId":"70133949","displayToPublicDate":"2014-12-01T16:45:27","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3614,"text":"Toxicon","active":true,"publicationSubtype":{"id":10}},"title":"Colorimetric microtiter plate receptor-binding assay for the detection of freshwater and marine neurotoxins targeting the nicotinic acetylcholine receptors","docAbstract":"

Anatoxin-a and homoanatoxin-a, produced by cyanobacteria, are agonists of nicotinic acetylcholine receptors (nAChRs). Pinnatoxins, spirolides, and gymnodimines, produced by dinoflagellates, are antagonists of nAChRs. In this study we describe the development and validation of a competitive colorimetric, high throughput functional assay based on the mechanism of action of freshwater and marine toxins against nAChRs. Torpedo electrocyte membranes (rich in muscle-type nAChR) were immobilized and stabilized on the surface of 96-well microtiter plates. Biotinylated α-bungarotoxin (the tracer) and streptavidin-horseradish peroxidase (the detector) enabled the detection and quantitation of anatoxin-a in surface waters and cyclic imine toxins in shellfish extracts that were obtained from different locations across the US. The method compares favorably to LC/MS/MS and provides accurate results for anatoxin-a and cyclic imine toxins monitoring. Study of common constituents at the concentrations normally found in drinking and environmental waters, as well as the tolerance to pH, salt, solvents, organic and inorganic compounds did not significantly affect toxin detection. The assay allowed the simultaneous analysis of up to 25 samples within 3.5 h and it is well suited for on-site or laboratory monitoring of low levels of toxins in drinking, surface, and ground water as well as in shellfish extracts.

","language":"English","publisher":"Elsevier","doi":"10.1016/j.toxicon.2014.08.073","usgsCitation":"Rubio, F., Kamp, L., Carpino, J., Faltin, E., Loftin, K.A., Molgo, J., and Araoz, R., 2014, Colorimetric microtiter plate receptor-binding assay for the detection of freshwater and marine neurotoxins targeting the nicotinic acetylcholine receptors: Toxicon, v. 91, p. 45-56, https://doi.org/10.1016/j.toxicon.2014.08.073.","productDescription":"12 p.","startPage":"45","endPage":"56","ipdsId":"IP-058160","costCenters":[{"id":353,"text":"Kansas Water Science Center","active":false,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":357353,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"91","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"546f10eae4b057be23d4a764","contributors":{"authors":[{"text":"Rubio, Fernando","contributorId":127503,"corporation":false,"usgs":false,"family":"Rubio","given":"Fernando","email":"","affiliations":[{"id":6979,"text":"Abraxis LLC","active":true,"usgs":false}],"preferred":false,"id":525622,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kamp, Lisa","contributorId":127504,"corporation":false,"usgs":false,"family":"Kamp","given":"Lisa","email":"","affiliations":[{"id":6979,"text":"Abraxis LLC","active":true,"usgs":false}],"preferred":false,"id":525623,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Carpino, Justin","contributorId":127505,"corporation":false,"usgs":false,"family":"Carpino","given":"Justin","email":"","affiliations":[{"id":6979,"text":"Abraxis LLC","active":true,"usgs":false}],"preferred":false,"id":525624,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Faltin, Erin","contributorId":127506,"corporation":false,"usgs":false,"family":"Faltin","given":"Erin","email":"","affiliations":[{"id":6979,"text":"Abraxis LLC","active":true,"usgs":false}],"preferred":false,"id":525625,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Loftin, Keith A. 0000-0001-5291-876X kloftin@usgs.gov","orcid":"https://orcid.org/0000-0001-5291-876X","contributorId":868,"corporation":false,"usgs":true,"family":"Loftin","given":"Keith","email":"kloftin@usgs.gov","middleInitial":"A.","affiliations":[{"id":353,"text":"Kansas Water Science Center","active":false,"usgs":true}],"preferred":true,"id":525621,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Molgo, Jordi","contributorId":127507,"corporation":false,"usgs":false,"family":"Molgo","given":"Jordi","email":"","affiliations":[{"id":6980,"text":"Centre de recherche CNRS de Gif-sur-Yvette","active":true,"usgs":false}],"preferred":false,"id":525626,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Araoz, Romulo","contributorId":127544,"corporation":false,"usgs":false,"family":"Araoz","given":"Romulo","email":"","affiliations":[{"id":6980,"text":"Centre de recherche CNRS de Gif-sur-Yvette","active":true,"usgs":false}],"preferred":false,"id":525627,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70160696,"text":"70160696 - 2014 - Evidence for free-living Bacteroides in Cladophora along the shores of the Great Lakes","interactions":[],"lastModifiedDate":"2021-08-30T16:23:46.191818","indexId":"70160696","displayToPublicDate":"2014-12-01T16:15:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":870,"text":"Aquatic Microbial Ecology","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Evidence for free-living Bacteroides in Cladophora along the shores of the Great Lakes","title":"Evidence for free-living Bacteroides in Cladophora along the shores of the Great Lakes","docAbstract":"

Bacteroides is assumed to be restricted to the alimentary canal of animals and humans and is considered to be non-viable in ambient environments. We hypothesized that Bacteroides could persist and replicate within beach-stranded Cladophora glomerata mats in southern Lake Michigan, USA. Mean Bacteroides concentration (per GenBac3 Taqman quantitative PCR assay) during summer 2012 at Jeorse Park Beach was 5.2 log calibrator cell equivalents (CCE) g-1 dry weight (dw), ranging from 3.7 to 6.7. We monitored a single beach-stranded mat for 3 wk; bacterial concentrations increased by 1.6 log CCE g-1 dw and correlated significantly with ambient temperature (p = 0.003). Clonal growth was evident, as observed by >99% nucleotide sequence similarity among clones. In in vitro studies, Bacteroides concentrations increased by 5.5 log CCE g-1 after 7 d (27°C) in fresh Cladophora collected from rocks. Partial sequencing of the 16S rRNA gene of 36 clones from the incubation experiment showed highly similar genotypes (≥97% sequence overlap). The closest enteric Bacteroides spp. from the National Center for Biotechnology Information database were only 87 to 91% similar. Genomic similarity, clonality, growth, and persistence collectively suggest that putative, free-living Bacteroides inhabit Cladophora mats of southern Lake Michigan. These findings may have important biological, medical, regulatory, microbial source tracking, and public health implications.

","language":"English","publisher":"Inter-Research","publisherLocation":"Oldendorf/Luhe, Germany","doi":"10.3354/ame01688","usgsCitation":"Whitman, R.L., Byappanahalli, M., Spoljaric, A., Przybyla-Kelly, K., Shively, D.A., and Nevers, M., 2014, Evidence for free-living Bacteroides in Cladophora along the shores of the Great Lakes: Aquatic Microbial Ecology, v. 72, no. 2, p. 117-126, https://doi.org/10.3354/ame01688.","productDescription":"10 p.","startPage":"117","endPage":"126","numberOfPages":"10","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-050871","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":472598,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3354/ame01688","text":"Publisher Index Page"},{"id":313080,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"southern Lake 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Recent restrictions on uranium mining within the Grand Canyon watershed have drawn attention to scientific data gaps in evaluating the possible effects of ore extraction to human populations as well as wildlife communities in the area. Tissue contaminant concentrations, one of the most basic data requirements to determine exposure, are not available for biota from any historical or active uranium mines in the region. The Canyon Uranium Mine is under development, providing a unique opportunity to characterize concentrations of uranium and other trace elements, as well as radiation levels in biota, found in the vicinity of the mine before ore extraction begins. Our study objectives were to identify contaminants of potential concern and critical contaminant exposure pathways for ecological receptors; conduct biological surveys to understand the local food web and refine the list of target species (ecological receptors) for contaminant analysis; and collect target species for contaminant analysis prior to the initiation of active mining. Contaminants of potential concern were identified as arsenic, cadmium, chromium, copper, lead, mercury, nickel, selenium, thallium, uranium, and zinc for chemical toxicity and uranium and associated radionuclides for radiation. The conceptual exposure model identified ingestion, inhalation, absorption, and dietary transfer (bioaccumulation or bioconcentration) as critical contaminant exposure pathways. The biological survey of plants, invertebrates, amphibians, reptiles, birds, and small mammals is the first to document and provide ecological information on .200 species in and around the mine site; this study also provides critical baseline information about the local food web. Most of the species documented at the mine are common to ponderosa pine Pinus ponderosa and pinyon–juniper Pinus–Juniperus spp. forests in northern Arizona and are not considered to have special conservation status by state or federal agencies; exceptions are the locally endemic Tusayan flameflower Phemeranthus validulus, the long-legged bat Myotis volans, and the Arizona bat Myotis occultus. The most common vertebrate species identified at the mine site included the Mexican spadefoot toad Spea multiplicata, plateau fence lizard Sceloporus tristichus, violetgreen swallow Tachycineta thalassina, pygmy nuthatch Sitta pygmaea, purple martin Progne subis, western bluebird Sialia mexicana, deermouse Peromyscus maniculatus, valley pocket gopher Thomomys bottae, cliff chipmunk Tamias dorsalis, black-tailed jackrabbit Lepus californicus, mule deer Odocoileus hemionus, and elk Cervus canadensis. A limited number of the most common species were collected for contaminant analysis to establish baseline contaminant and radiological concentrations prior to ore extraction. These empirical baseline data will help validate contaminant exposure pathways and potential threats from contaminant exposures to ecological receptors. Resource managers will also be able to use these data to determine the extent to which local species are exposed to chemical and radiation contamination once the mine is operational and producing ore. More broadly, these data could inform resource management decisions on mitigating chemical and radiation exposure of biota at high-grade uranium breccia pipes throughout the Grand Canyon watershed.

","language":"English","publisher":"U.S. Fish and Wildlife Service","publisherLocation":"Washington, D.C.","doi":"10.3996/052014-JFWM-039","usgsCitation":"Hinck, J.E., Linder, G.L., Darrah, A.J., Drost, C.A., Duniway, M.C., Johnson, M.J., Mendez-Harclerode, F.M., Nowak, E., Valdez, E.W., van Riper, C., and Wolff, S., 2014, Exposure pathways and biological receptors: baseline data for the canyon uranium mine, Coconino County, Arizona: Journal of Fish and Wildlife Management, v. 5, no. 2, p. 422-440, https://doi.org/10.3996/052014-JFWM-039.","productDescription":"19 p.","startPage":"422","endPage":"440","numberOfPages":"19","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-055758","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true},{"id":34983,"text":"Contaminant Biology 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linder2@usgs.gov","contributorId":1766,"corporation":false,"usgs":true,"family":"Linder","given":"Greg","email":"linder2@usgs.gov","middleInitial":"L.","affiliations":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"preferred":false,"id":537454,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Darrah, Abigail J. adarrah@usgs.gov","contributorId":5883,"corporation":false,"usgs":true,"family":"Darrah","given":"Abigail","email":"adarrah@usgs.gov","middleInitial":"J.","affiliations":[],"preferred":true,"id":537451,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Drost, Charles A. 0000-0002-4792-7095 charles_drost@usgs.gov","orcid":"https://orcid.org/0000-0002-4792-7095","contributorId":3151,"corporation":false,"usgs":true,"family":"Drost","given":"Charles","email":"charles_drost@usgs.gov","middleInitial":"A.","affiliations":[{"id":568,"text":"Southwest Biological Science 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Francisca M.","contributorId":131136,"corporation":false,"usgs":false,"family":"Mendez-Harclerode","given":"Francisca","email":"","middleInitial":"M.","affiliations":[{"id":7259,"text":"Bethel College","active":true,"usgs":false}],"preferred":false,"id":537455,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Nowak, Erika M.","contributorId":14062,"corporation":false,"usgs":true,"family":"Nowak","given":"Erika M.","affiliations":[],"preferred":false,"id":537456,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Valdez, Ernest W. 0000-0002-7262-3069 ernie@usgs.gov","orcid":"https://orcid.org/0000-0002-7262-3069","contributorId":3600,"corporation":false,"usgs":true,"family":"Valdez","given":"Ernest","email":"ernie@usgs.gov","middleInitial":"W.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":537457,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"van Riper, Charles III 0000-0003-1084-5843 charles_van_riper@usgs.gov","orcid":"https://orcid.org/0000-0003-1084-5843","contributorId":169488,"corporation":false,"usgs":true,"family":"van Riper","given":"Charles","suffix":"III","email":"charles_van_riper@usgs.gov","affiliations":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":false,"id":537458,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Wolff, S.W.","contributorId":30550,"corporation":false,"usgs":true,"family":"Wolff","given":"S.W.","email":"","affiliations":[],"preferred":false,"id":537465,"contributorType":{"id":1,"text":"Authors"},"rank":11}]}} ,{"id":70160600,"text":"70160600 - 2014 - Conservation Action Planning: Lessons learned from the St. Marys River watershed biodiversity conservation planning process","interactions":[],"lastModifiedDate":"2015-12-23T14:36:41","indexId":"70160600","displayToPublicDate":"2014-12-01T15:30:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2330,"text":"Journal of Great Lakes Research","active":true,"publicationSubtype":{"id":10}},"title":"Conservation Action Planning: Lessons learned from the St. Marys River watershed biodiversity conservation planning process","docAbstract":"

Conservation Action Planning (CAP) is an adaptive management planning process refined by The Nature Conservancy (TNC) and embraced worldwide as the Open Standards for the Practice of Conservation. The CAP process facilitates open, multi-institutional collaboration on a common conservation agenda through organized actions and quantified results. While specifically designed for conservation efforts, the framework is adaptable and flexible to multiple scales and can be used for any collaborative planning effort. The CAP framework addresses inception; design and development of goals, measures, and strategies; and plan implementation and evaluation. The specific components of the CAP include defining the project scope and conservation targets; assessing the ecological viability; ascertaining threats and surrounding situation; identifying opportunities and designing strategies for action; and implementing actions and monitoring results. In 2007, TNC and a multidisciplinary graduate student team from the University of Michigan's School of Natural Resources and Environment initiated a CAP for the St. Marys River, the connecting channel between Lake Superior and Lake Huron, and its local watershed. The students not only gained experience in conservation planning, but also learned lessons that notably benefited the CAP process and were valuable for any successful collaborative effort—a dedicated core team improved product quality, accelerated the timeline, and provided necessary support for ongoing efforts; an academic approach in preparation for engagement in the planning process brought applicable scientific research to the forefront, enhanced workshop facilitation, and improved stakeholder participation; and early and continuous interactions with regional stakeholders improved cooperation and built a supportive network for collaboration.

","language":"English","publisher":"International Association for Great Lakes Research","publisherLocation":"Toronto","doi":"10.1016/j.jglr.2013.07.003","collaboration":"Tamatha A. 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Interim technical review report","interactions":[],"lastModifiedDate":"2015-10-30T14:12:53","indexId":"70037889","displayToPublicDate":"2014-12-01T15:15:00","publicationYear":"2014","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":4,"text":"Other Government Series"},"title":"Environmental DNA calibration study. Interim technical review report","docAbstract":"

Invasive aquatic nuisance species pose a major threat to aquatic ecosystems worldwide. Invasive Asian carps, including bighead carp (Hypophthalmichthys nobilis) and silver carp (H. molitrix) have been steadily dispersing upstream through the Mississippi, Illinois, and Des Plaines Rivers since the 1990s. To prevent further movement up the Illinois River into the Chicago Area Waterway System (CAWS, see Figures 1.1.1 to 1.1.3) and possibly Lake Michigan and the Great Lakes ecosystem, an electrical barrier has been operating near Lockport to deter the advance of Asian carp. Although one adult individual has been detected in Lockport pool of the Illinois Waterway, the leading edge of the invasion of bighead and silver carp is considered to be at RM 281.5 in Dresden Island Pool, 15 miles downstream from the barrier and 55 miles from Lake Michigan, and that front has not progressed upstream since 2006. Although spawning activity has been observed in Marseilles pool in 2012, verified capture of eggs and larvae remain downstream in Peoria pool, over 140 miles from Lake Michigan (Figure 1.1.1).

\n

Should a sustainable Asian carp population become established in the Great Lakes, native fish populations, as well as many threatened or endangered plant/animal species populations, could be impacted. In response to this threat, the Asian Carp Regional Control Committee (ACRCC) was formed in part to coordinate efforts to understand and organize against the Asian carp threat. The Asian Carp Control Strategy Framework (2012a) outlined major tasks to be completed for a better understanding of factors related to the advance of Asian carp populations towards the Great Lakes. In addition, the ACRCC formed the Monitoring and Rapid Response Workgroup to address Asian carp monitoring and removal (ACRCC 2012b).

","publisherLocation":"Reston, VA","usgsCitation":"Baerwaldt, K., Bartron, M.L., Schilling, K., Lee, D., Russo, E., Estes, T., Fischer, R., Fleming, B., Guilfoyle, M.P., Kilgore, K.J., Lance, R., Perkins, E., Schultz, M., Smith, D., Amberg, J., Chapman, D., Gaikowski, M.P., Klymus, K.E., and Richter, C.A., 2014, Environmental DNA calibration study. Interim technical review report, ix, 189 p.","productDescription":"ix, 189 p.","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-035574","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"links":[{"id":310832,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":310831,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://www.asiancarp.us/documents/IP-057663_ECALS_Interim_Report_FINAL.pdf"}],"country":"United States","otherGeospatial":"Midwest waterways","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -98.0419921875,\n 37.16031654673677\n ],\n [\n -98.0419921875,\n 49.49667452747045\n ],\n [\n -78.662109375,\n 49.49667452747045\n ],\n [\n -78.662109375,\n 37.16031654673677\n ],\n [\n -98.0419921875,\n 37.16031654673677\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56349536e4b048076347fcd3","contributors":{"authors":[{"text":"Baerwaldt, K.","contributorId":21071,"corporation":false,"usgs":true,"family":"Baerwaldt","given":"K.","affiliations":[],"preferred":false,"id":578787,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bartron, Meredith L.","contributorId":149109,"corporation":false,"usgs":false,"family":"Bartron","given":"Meredith","email":"","middleInitial":"L.","affiliations":[{"id":6678,"text":"U.S. Fish and Wildlife Service, Alaska Maritime National Wildlife Refuge","active":true,"usgs":false},{"id":26874,"text":"USFWS, Lamar, PA","active":true,"usgs":false}],"preferred":false,"id":578788,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Schilling, K.","contributorId":101423,"corporation":false,"usgs":true,"family":"Schilling","given":"K.","affiliations":[],"preferred":false,"id":578789,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lee, Debbie","contributorId":149106,"corporation":false,"usgs":false,"family":"Lee","given":"Debbie","affiliations":[{"id":17644,"text":"U.S. Army Corps of Engineers Great Lakes and Ohio Rivers Division","active":true,"usgs":false}],"preferred":false,"id":578790,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Russo, Edmond","contributorId":116900,"corporation":false,"usgs":true,"family":"Russo","given":"Edmond","email":"","affiliations":[],"preferred":false,"id":514094,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Estes, Trudy","contributorId":149546,"corporation":false,"usgs":false,"family":"Estes","given":"Trudy","email":"","affiliations":[],"preferred":false,"id":578791,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Fischer, Richard","contributorId":7128,"corporation":false,"usgs":true,"family":"Fischer","given":"Richard","affiliations":[],"preferred":false,"id":578792,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Fleming, Beth","contributorId":120156,"corporation":false,"usgs":true,"family":"Fleming","given":"Beth","email":"","affiliations":[],"preferred":false,"id":514098,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Guilfoyle, Michael P.","contributorId":113717,"corporation":false,"usgs":true,"family":"Guilfoyle","given":"Michael","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":578793,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Kilgore, K. 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Megathrust splay fault systems in accretionary prisms have been identified as conduits for long-term plate motion and significant coseismic slip during subduction earthquakes. These fault systems are important because of their role in generating tsunamis, but rarely are emergent above sea level where their long-term (million year) history can be studied. We present 32 apatite (U-Th)/He (AHe) and 27 apatite fission-track (AFT) ages from rocks along an emergent megathrust splay fault system in the Prince William Sound region of Alaska above the shallowly subducting Yakutat microplate. The data show focused exhumation along the Patton Bay megathrust splay fault system since 3–2 Ma. Most AHe ages are younger than 5 Ma; some are as young as 1.1 Ma. AHe ages are youngest at the southwest end of Montague Island, where maximum fault displacement occurred on the Hanning Bay and Patton Bay faults and the highest shoreline uplift occurred during the 1964 earthquake. AFT ages range from ca. 20 to 5 Ma. Age changes across the Montague Strait fault, north of Montague Island, suggest that this fault may be a major structural boundary that acts as backstop to deformation and may be the westward mechanical continuation of the Bagley fault system backstop in the Saint Elias orogen. The regional pattern of ages and corresponding cooling and exhumation rates indicate that the Montague and Hinchinbrook Island splay faults, though separated by only a few kilometers, accommodate kilometer-scale exhumation above a shallowly subducting plate at million year time scales. This long-term pattern of exhumation also reflects short-term seismogenic uplift patterns formed during the 1964 earthquake. The increase in rock uplift and exhumation rate ca. 3–2 Ma is coincident with increased glacial erosion that, in combination with the fault-bounded, narrow width of the islands, has limited topographic development. Increased exhumation starting ca. 3–2 Ma is interpreted to be due to rock uplift caused by increased underplating of sediments derived from the Saint Elias orogen, which was being rapidly eroded at that time.

","language":"English","publisher":"Geological Society of America","publisherLocation":"Boulder, CO","doi":"10.1130/GES01036.1","usgsCitation":"Ferguson, K.M., Armstrong, P., C, A.J., and Haeussler, P.J., 2014, Focused rock uplift above the subduction décollement at Montague and Hinchinbrook Islands, Prince William Sound, Alaska: Geosphere, v. 11, no. 1, p. 144-159, https://doi.org/10.1130/GES01036.1.","productDescription":"16 p.","startPage":"144","endPage":"159","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-063295","costCenters":[{"id":119,"text":"Alaska Science Center Geology Minerals","active":true,"usgs":true}],"links":[{"id":472599,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1130/ges01036.1","text":"Publisher Index Page"},{"id":322101,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"11","issue":"1","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"575158b2e4b053f0edd03c4c","contributors":{"authors":[{"text":"Ferguson, Kelly M","contributorId":169930,"corporation":false,"usgs":false,"family":"Ferguson","given":"Kelly","email":"","middleInitial":"M","affiliations":[{"id":25628,"text":"Geological Sciences, California State University Fullerton","active":true,"usgs":false}],"preferred":false,"id":631543,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Armstrong, Phillip A","contributorId":169931,"corporation":false,"usgs":false,"family":"Armstrong","given":"Phillip A","affiliations":[{"id":25628,"text":"Geological Sciences, California State University Fullerton","active":true,"usgs":false}],"preferred":false,"id":631544,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"C, Arkle Jeanette","contributorId":169932,"corporation":false,"usgs":false,"family":"C","given":"Arkle","email":"","middleInitial":"Jeanette","affiliations":[{"id":25629,"text":"Geological Sciences, California State Univeristy Fullerton","active":true,"usgs":false}],"preferred":false,"id":631545,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Haeussler, Peter J. 0000-0002-1503-6247 pheuslr@usgs.gov","orcid":"https://orcid.org/0000-0002-1503-6247","contributorId":503,"corporation":false,"usgs":true,"family":"Haeussler","given":"Peter","email":"pheuslr@usgs.gov","middleInitial":"J.","affiliations":[{"id":119,"text":"Alaska Science Center Geology Minerals","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":631542,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70148161,"text":"70148161 - 2014 - Health assessments of brown pelican (Pelecanus occidentalis) nestlings from colonies in South Carolina and Georgia, U.S.A.","interactions":[],"lastModifiedDate":"2015-05-26T13:08:48","indexId":"70148161","displayToPublicDate":"2014-12-01T14:15:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2514,"text":"Journal of Zoo and Wildlife Medicine","active":true,"publicationSubtype":{"id":10}},"title":"Health assessments of brown pelican (Pelecanus occidentalis) nestlings from colonies in South Carolina and Georgia, U.S.A.","docAbstract":"

Health evaluations of brown pelican (Pelecanus occidentalis) nestlings from three colonies along the Atlantic coast of the southeastern United States were performed in 2005, 2007, and 2008. The primary objective of this study was to establish baseline data for hematologic, biochemical, and serologic values from a relatively healthy population of free-living pelicans during early chick development. Relationships among health variables and colony site, ectoparasite infestation, sex, and body condition index were also evaluated. Reference intervals are presented for health variables, including novel analytes for the species, as well as a comparison of these results with previously published values for wild pelicans. No significant relationships were found between health variables and nestling sex or body condition; however, differences between colony sites and the presence of ectoparasites were detected. The inclusion of health assessments as a regular component of management programs for seabirds can provide data to better understand the effect to species of concern when drastic changes occur to the population and its environment.

","language":"English","publisher":"American Association of Zoo Veterinarians","publisherLocation":"Lawrence, KS","doi":"10.1638/2013-0157.1","collaboration":"South Carolina Department of Natural Resources (DNR); U.S. Geological Survey; South Carolina Cooperative Fish and Wildlife Research Unit; U.S. Geological SurveySouth Carolina DNR; Clemson University; Wildlife Management Institute","usgsCitation":"Ferguson, L., Norton, T., Cray, C., Oliva, M., and Jodice, P.G., 2014, Health assessments of brown pelican (Pelecanus occidentalis) nestlings from colonies in South Carolina and Georgia, U.S.A.: Journal of Zoo and Wildlife Medicine, v. 45, no. 4, p. 802-812, https://doi.org/10.1638/2013-0157.1.","productDescription":"11 p.","startPage":"802","endPage":"812","numberOfPages":"11","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-051412","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":300795,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"45","issue":"4","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55659945e4b0d9246a9eb626","contributors":{"authors":[{"text":"Ferguson, L.M.","contributorId":105911,"corporation":false,"usgs":true,"family":"Ferguson","given":"L.M.","email":"","affiliations":[],"preferred":false,"id":547627,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Norton, Terry M.","contributorId":71020,"corporation":false,"usgs":true,"family":"Norton","given":"Terry M.","affiliations":[],"preferred":false,"id":547628,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cray, Carolyn","contributorId":104025,"corporation":false,"usgs":true,"family":"Cray","given":"Carolyn","email":"","affiliations":[],"preferred":false,"id":547629,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Oliva, M.","contributorId":140934,"corporation":false,"usgs":false,"family":"Oliva","given":"M.","email":"","affiliations":[],"preferred":false,"id":547630,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Jodice, Patrick G.R. 0000-0001-8716-120X pjodice@usgs.gov","orcid":"https://orcid.org/0000-0001-8716-120X","contributorId":1119,"corporation":false,"usgs":true,"family":"Jodice","given":"Patrick","email":"pjodice@usgs.gov","middleInitial":"G.R.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":false,"id":547515,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70160766,"text":"70160766 - 2014 - A model to locate potential areas for lake sturgeon spawning habitat construction in the St. Clair–Detroit River System","interactions":[],"lastModifiedDate":"2015-12-30T13:05:34","indexId":"70160766","displayToPublicDate":"2014-12-01T14:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2330,"text":"Journal of Great Lakes Research","active":true,"publicationSubtype":{"id":10}},"title":"A model to locate potential areas for lake sturgeon spawning habitat construction in the St. Clair–Detroit River System","docAbstract":"

In response to a need for objective scientific information that could be used to help remediate loss of fish spawning habitat in the St. Clair River and Detroit River International Areas of Concern, this paper summarizes a large-scale geographic mapping investigation. Our study integrates data on two variables that many riverine fishes respond to in selecting where to spawn in these waters (water flow velocity and water depth) with available maps of the St. Clair–Detroit River System (SC–DRS). Our objectives were to locate and map these two physical components of fish habitat in the St. Clair and Detroit rivers and Lake St. Clair using a geographic information system (GIS) and to identify where, theoretically, fish spawning habitat could be remediated in these rivers. The target fish species to which this model applies is lake sturgeon (Acipenser fulvescens), but spawning reefs constructed for lake sturgeon in this system have been used for spawning by 17 species of fish. Our analysis revealed areas in each river that possessed suitable water velocity and depth for fish spawning and therefore could theoretically be remediated by the addition of rock-rubble substrate like that used at two previously remediated sites in the Detroit River at Belle Isle and Fighting Island. Results of our analysis revealed that only 3% of the total area of the SC–DRS possesses the necessary combination of water depth and high flow velocity to be indicated by the model as potential spawning habitat for lake sturgeon.

","language":"English","publisher":"International Association for Great Lakes Research","publisherLocation":"Toronto","doi":"10.1016/j.jglr.2014.02.002","usgsCitation":"Bennion, D., and Manny, B.A., 2014, A model to locate potential areas for lake sturgeon spawning habitat construction in the St. Clair–Detroit River System: Journal of Great Lakes Research, v. 40, no. Supplement 2, p. 43-51, https://doi.org/10.1016/j.jglr.2014.02.002.","productDescription":"9 p.","startPage":"43","endPage":"51","numberOfPages":"9","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-055219","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":313057,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada, United States","state":"Michigan, Ontario","otherGeospatial":"St. Clair - Detroit River system","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -82.4688720703125,\n 43.05082689000007\n ],\n [\n -82.276611328125,\n 43.030753001428344\n ],\n [\n -82.49359130859375,\n 42.551056983385934\n ],\n [\n -82.38922119140625,\n 42.508552415528634\n ],\n [\n -82.38372802734375,\n 42.309815415686664\n ],\n [\n -82.4853515625,\n 42.273244264402734\n ],\n [\n -82.94952392578125,\n 42.309815415686664\n ],\n [\n -83.05389404296875,\n 42.259016415705766\n ],\n [\n -83.07037353515625,\n 42.04113400940809\n ],\n [\n -83.21319580078125,\n 42.0227732629691\n ],\n [\n -83.1884765625,\n 42.26714700815231\n ],\n [\n -82.957763671875,\n 42.415346114253616\n ],\n [\n -82.880859375,\n 42.583422001323584\n ],\n [\n -82.84515380859375,\n 42.68041629144619\n ],\n [\n -82.65838623046875,\n 42.718768102606354\n ],\n [\n -82.5457763671875,\n 42.66022161324799\n ],\n [\n -82.5238037109375,\n 42.783307077249624\n ],\n [\n -82.529296875,\n 42.90011265525328\n ],\n [\n -82.4688720703125,\n 43.05082689000007\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"40","issue":"Supplement 2","publishingServiceCenter":{"id":6,"text":"Columbus PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56850e46e4b0a04ef493379f","contributors":{"authors":[{"text":"Bennion, David 0000-0003-4927-4195 dbennion@usgs.gov","orcid":"https://orcid.org/0000-0003-4927-4195","contributorId":149533,"corporation":false,"usgs":true,"family":"Bennion","given":"David","email":"dbennion@usgs.gov","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":583818,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Manny, Bruce A. 0000-0002-4074-9329 bmanny@usgs.gov","orcid":"https://orcid.org/0000-0002-4074-9329","contributorId":3699,"corporation":false,"usgs":true,"family":"Manny","given":"Bruce","email":"bmanny@usgs.gov","middleInitial":"A.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":583819,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70160701,"text":"70160701 - 2014 - Designing long-term fish community assessments in connecting channels: Lessons from the Saint Marys River","interactions":[],"lastModifiedDate":"2015-12-30T12:25:38","indexId":"70160701","displayToPublicDate":"2014-12-01T13:30:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2330,"text":"Journal of Great Lakes Research","active":true,"publicationSubtype":{"id":10}},"title":"Designing long-term fish community assessments in connecting channels: Lessons from the Saint Marys River","docAbstract":"

Long-term surveys are useful in understanding trends in connecting channel fish communities; a gill net assessment in the Saint Marys River performed periodically since 1975 is the most comprehensive connecting channels sampling program within the Laurentian Great Lakes. We assessed efficiency of that survey, with intent to inform development of assessments at other connecting channels. We evaluated trends in community composition, effort versus estimates of species richness, ability to detect abundance changes for four species, and effects of subsampling yellow perch catches on size and age-structure metrics. Efficiency analysis revealed low power to detect changes in species abundance, whereas reduced effort could be considered to index species richness. Subsampling simulations indicated that subsampling would have allowed reliable estimates of yellow perch (Perca flavescens) population structure, while greatly reducing the number of fish that were assigned ages. Analyses of statistical power and efficiency of current sampling protocols are useful for managers collecting and using these types of data as well as for the development of new monitoring programs. Our approach provides insight into whether survey goals and objectives were being attained and can help evaluate ability of surveys to answer novel questions that arise as management strategies are refined.

","language":"English","publisher":"International Association for Great Lakes Research","publisherLocation":"Toronto","doi":"10.1016/j.jglr.2014.03.002","collaboration":"Saint Marys River Task Group, part of the Lake Huron Technical Committee","usgsCitation":"Schaeffer, J., Rogers, M.W., Fielder, D.G., Godby, N., Bowen, A.K., O'Connor, L., Parrish, J., Greenwood, S., Chong, S., and Wright, G., 2014, Designing long-term fish community assessments in connecting channels: Lessons from the Saint Marys River: Journal of Great Lakes Research, v. 40, no. Supplement 2, p. 15-22, https://doi.org/10.1016/j.jglr.2014.03.002.","productDescription":"8 p.","startPage":"15","endPage":"22","numberOfPages":"8","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-051355","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":313051,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada, United States","otherGeospatial":"Saint Marys River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -84.60296630859375,\n 46.556971695640904\n ],\n [\n -84.66751098632812,\n 46.48515590043433\n ],\n [\n -84.61532592773438,\n 46.393358361631854\n ],\n [\n -84.462890625,\n 46.428392162921234\n ],\n [\n -84.4189453125,\n 46.46056554578543\n ],\n [\n -84.342041015625,\n 46.47191632087041\n ],\n [\n 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K.","contributorId":27398,"corporation":false,"usgs":true,"family":"Bowen","given":"Anjanette","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":583621,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"O'Connor, Lisa","contributorId":19402,"corporation":false,"usgs":true,"family":"O'Connor","given":"Lisa","affiliations":[],"preferred":false,"id":583622,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Parrish, Josh","contributorId":66511,"corporation":false,"usgs":true,"family":"Parrish","given":"Josh","email":"","affiliations":[],"preferred":false,"id":583624,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Greenwood, Susan","contributorId":29240,"corporation":false,"usgs":true,"family":"Greenwood","given":"Susan","email":"","affiliations":[],"preferred":false,"id":583623,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Chong, Stephen","contributorId":32013,"corporation":false,"usgs":true,"family":"Chong","given":"Stephen","email":"","affiliations":[],"preferred":false,"id":583625,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Wright, Greg","contributorId":54034,"corporation":false,"usgs":true,"family":"Wright","given":"Greg","affiliations":[],"preferred":false,"id":583626,"contributorType":{"id":1,"text":"Authors"},"rank":10}]}} ,{"id":70134308,"text":"70134308 - 2014 - Inner-shelf circulation and sediment dynamics on a series of shoreface connected ridges offshore of Fire Island, NY","interactions":[],"lastModifiedDate":"2020-12-31T19:55:18.781874","indexId":"70134308","displayToPublicDate":"2014-12-01T13:15:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2923,"text":"Ocean Dynamics","active":true,"publicationSubtype":{"id":10}},"title":"Inner-shelf circulation and sediment dynamics on a series of shoreface connected ridges offshore of Fire Island, NY","docAbstract":"

Locations along the inner-continental shelf offshore of Fire Island, NY, are characterized by a series of shoreface-connected ridges (SFCRs). These sand ridges have approximate dimensions of 10 km in length, 3 km spacing, and up to ∼8 m ridge to trough relief and are oriented obliquely at approximately 30° clockwise from the coastline. Stability analysis from previous studies explains how sand ridges such as these could be formed and maintained by storm-driven flows directed alongshore with a key maintenance mechanism of offshore deflected flows over ridge crests and onshore in the troughs. We examine these processes both with a limited set of idealized numerical simulations and analysis of observational data. Model results confirm that alongshore flows over the SFCRs exhibit offshore veering of currents over the ridge crests and onshore-directed flows in the troughs, and demonstrate the opposite circulation pattern for a reverse wind. To further investigate these maintenance processes, oceanographic instruments were deployed at seven sites on the SFCRs offshore of Fire Island to measure water levels, ocean currents, waves, suspended sediment concentrations, and bottom stresses from January to April 2012. Data analysis reveals that during storms with winds from the northeast, the processes of offshore deflection of currents over ridge crests and onshore in the troughs were observed, and during storm events with winds from the southwest, a reverse flow pattern over the ridges occurred. Computations of suspended sediment fluxes identify periods that are consistent with SFCR maintenance mechanisms. Alongshore winds from the northeast drove fluxes offshore on the ridge crest and onshore in the trough that would tend to promote ridge maintenance. However, alongshore winds from the southwest drove opposite circulations. The wind fields are related to different storm types that occur in the region (low-pressure systems, cold fronts, and warm fronts). From the limited data set, we identify that low-pressure systems drive sediment fluxes that tend to promote stability and maintain the SFCRs while cold front type storms appear to drive circulations that are in the opposite sense and may not be a supporting mechanism for ridge maintenance.

","language":"English","publisher":"Springer","publisherLocation":"Berlin, Germany","doi":"10.1007/s10236-014-0781-y","usgsCitation":"Warner, J., List, J., Schwab, W.C., Voulgaris, G., Armstrong, B., and Marshall, N., 2014, Inner-shelf circulation and sediment dynamics on a series of shoreface connected ridges offshore of Fire Island, NY: Ocean Dynamics, v. 64, no. 2, p. 1767-1781, https://doi.org/10.1007/s10236-014-0781-y.","productDescription":"15 p.","startPage":"1767","endPage":"1781","numberOfPages":"15","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-056995","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":472601,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1007/s10236-014-0781-y","text":"Publisher Index Page"},{"id":296389,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"New York","otherGeospatial":"Fire Island","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -72.75146484374999,\n 40.763901280945866\n ],\n [\n -72.7294921875,\n 40.73581157695217\n ],\n [\n -72.718505859375,\n 40.71551718935035\n ],\n [\n -72.45002746582031,\n 40.78626052122175\n ],\n [\n -72.48298645019531,\n 40.84809918505204\n ],\n [\n -72.75146484374999,\n 40.763901280945866\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"64","issue":"2","noUsgsAuthors":false,"publicationDate":"2014-10-24","publicationStatus":"PW","scienceBaseUri":"547ee2c5e4b09357f05f8a54","contributors":{"authors":[{"text":"Warner, John C. 0000-0002-3734-8903 jcwarner@usgs.gov","orcid":"https://orcid.org/0000-0002-3734-8903","contributorId":2681,"corporation":false,"usgs":true,"family":"Warner","given":"John C.","email":"jcwarner@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":525803,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"List, Jeffrey H. jlist@usgs.gov","contributorId":127596,"corporation":false,"usgs":true,"family":"List","given":"Jeffrey H.","email":"jlist@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":525804,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Schwab, William C. 0000-0001-9274-5154 bschwab@usgs.gov","orcid":"https://orcid.org/0000-0001-9274-5154","contributorId":417,"corporation":false,"usgs":true,"family":"Schwab","given":"William","email":"bschwab@usgs.gov","middleInitial":"C.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":525805,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Voulgaris, George","contributorId":26377,"corporation":false,"usgs":false,"family":"Voulgaris","given":"George","email":"","affiliations":[{"id":27143,"text":"University of South Carolina, Columbia, SC","active":true,"usgs":false}],"preferred":false,"id":525806,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Armstrong, Brandy N. barmstrong@usgs.gov","contributorId":5897,"corporation":false,"usgs":true,"family":"Armstrong","given":"Brandy N.","email":"barmstrong@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":525807,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Marshall, N","contributorId":127597,"corporation":false,"usgs":false,"family":"Marshall","given":"N","email":"","affiliations":[{"id":6708,"text":"Virginia Institute of Marine Science","active":true,"usgs":false}],"preferred":false,"id":525808,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70155073,"text":"70155073 - 2014 - Migratory bird hunter opinions regarding potential management strategies for controlling light goose populations","interactions":[],"lastModifiedDate":"2015-07-24T11:59:41","indexId":"70155073","displayToPublicDate":"2014-12-01T13:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3779,"text":"Wildlife Society Bulletin","onlineIssn":"1938-5463","printIssn":"0091-7648","active":true,"publicationSubtype":{"id":10}},"title":"Migratory bird hunter opinions regarding potential management strategies for controlling light goose populations","docAbstract":"

We expanded the Nebraska Light Goose Conservation Order (LGCO) harvest survey (NE, USA) in spring 2012 to assess migratory bird hunter opinions regarding future management strategies for controlling light goose populations. Although hunters strongly agreed that population control of light geese was an important wildlife management issue, they were generally unsupportive of wildlife officials using forms of direct control methods to control light goose populations. Respondents who indicated participation in the 2012 LGCO were also less supportive of any form of direct control compared with migratory bird hunters who did not participate in the LGCO. When presented with alternative methods by wildlife officials for future light goose population control, respondents were most supportive of wildlife agencies selectively shooting light geese on migration and wintering areas and least supportive of wildlife officials using bait with approved chemicals to euthanize light geese. A clear understanding of public perception of various potential direct-control options will likely assist wildlife biologists in making informed decisions on how to proceed with population control of light geese.

","language":"English","publisher":"Wildlife Society","publisherLocation":"Bethesda, MD","doi":"10.1002/wsb.465","usgsCitation":"Dinges, A.J., Webb, E.B., Vrtiska, M.P., Nilon, C.H., and Wilhelm Stanis, S.A., 2014, Migratory bird hunter opinions regarding potential management strategies for controlling light goose populations: Wildlife Society Bulletin, v. 38, no. 4, p. 728-733, https://doi.org/10.1002/wsb.465.","productDescription":"6 p.","startPage":"728","endPage":"733","numberOfPages":"6","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-052214","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":499895,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://doaj.org/article/7bac68470aee4082bfa81f421832175e","text":"External Repository"},{"id":305970,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"38","issue":"4","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationDate":"2014-11-04","publicationStatus":"PW","scienceBaseUri":"55b361b3e4b09a3b01b5daaa","contributors":{"authors":[{"text":"Dinges, Andrew J.","contributorId":145935,"corporation":false,"usgs":false,"family":"Dinges","given":"Andrew","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":565700,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Webb, Elisabeth B. 0000-0003-3851-6056 ewebb@usgs.gov","orcid":"https://orcid.org/0000-0003-3851-6056","contributorId":3981,"corporation":false,"usgs":true,"family":"Webb","given":"Elisabeth","email":"ewebb@usgs.gov","middleInitial":"B.","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":564767,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Vrtiska, Mark P.","contributorId":54008,"corporation":false,"usgs":true,"family":"Vrtiska","given":"Mark","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":565701,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Nilon, Charles H.","contributorId":145936,"corporation":false,"usgs":false,"family":"Nilon","given":"Charles","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":565702,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wilhelm Stanis, Sonja A.","contributorId":145937,"corporation":false,"usgs":false,"family":"Wilhelm Stanis","given":"Sonja","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":565703,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70112922,"text":"70112922 - 2014 - Magma-ice-sediment interactions and the origin of lava/hyaloclastite sequences in the Síða formation, South Iceland","interactions":[],"lastModifiedDate":"2019-02-25T13:35:16","indexId":"70112922","displayToPublicDate":"2014-12-01T12:52:00","publicationYear":"2014","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":"Magma-ice-sediment interactions and the origin of lava/hyaloclastite sequences in the Síða formation, South Iceland","docAbstract":"Products of subglacial volcanism can illuminate reconstructions of paleo-environmental conditions on both local and regional scales. Competing interpretations of Pleistocene conditions in south Iceland have been proposed based on an extensive sequence of repeating lava-and-hyaloclastite deposits in the Síða district. We propose here a new eruptive model and refine the glacial environment during eruption based on field research and analytical data for the Síða district lava/hyaloclastite units. Field observations from this and previous studies reveal a repeating sequence of cogenetic lava and hyaloclastite deposits extending many kilometers from their presumed eruptive source. Glasses from lava selvages and unaltered hyaloclastites have very low H2O, S, and CO2 concentrations, indicating significant degassing at or close to atmospheric pressure prior to quenching. We also present a scenario that demonstrates virtual co-emplacement of the two eruptive products. Our data and model results suggest repeated eruptions under thin ice or partially subaerial conditions, rather than eruption under a thick ice sheet or subglacial conditions as previously proposed.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Bulletin of Volcanology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Springer","doi":"10.1007/s00445-013-0785-3","usgsCitation":"Banik, T.J., Wallace, P., Hoskuldsson, A., Miller, C., Bacon, C.R., and Furbish, D.J., 2014, Magma-ice-sediment interactions and the origin of lava/hyaloclastite sequences in the Síða formation, South Iceland: Bulletin of Volcanology, v. 76, 19 p., https://doi.org/10.1007/s00445-013-0785-3.","productDescription":"19 p.","numberOfPages":"19","ipdsId":"IP-042228","costCenters":[{"id":615,"text":"Volcano Hazards Program","active":true,"usgs":true},{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":288817,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Iceland","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -19.0,63.5 ], [ -19.0,64.0 ], [ -18.0,64.0 ], [ -18.0,63.5 ], [ -19.0,63.5 ] ] ] } } ] }","volume":"76","noUsgsAuthors":false,"publicationDate":"2013-12-05","publicationStatus":"PW","scienceBaseUri":"53ae776ee4b0abf75cf2c124","contributors":{"authors":[{"text":"Banik, Tenley J.","contributorId":91789,"corporation":false,"usgs":true,"family":"Banik","given":"Tenley","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":494941,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wallace, Paul J.","contributorId":29308,"corporation":false,"usgs":true,"family":"Wallace","given":"Paul J.","affiliations":[],"preferred":false,"id":494939,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hoskuldsson, Armann","contributorId":95391,"corporation":false,"usgs":true,"family":"Hoskuldsson","given":"Armann","email":"","affiliations":[],"preferred":false,"id":494942,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Miller, Calvin F.","contributorId":18437,"corporation":false,"usgs":true,"family":"Miller","given":"Calvin F.","affiliations":[],"preferred":false,"id":494938,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bacon, Charles R. 0000-0002-2165-5618 cbacon@usgs.gov","orcid":"https://orcid.org/0000-0002-2165-5618","contributorId":2909,"corporation":false,"usgs":true,"family":"Bacon","given":"Charles","email":"cbacon@usgs.gov","middleInitial":"R.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":494937,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Furbish, David J.","contributorId":40517,"corporation":false,"usgs":true,"family":"Furbish","given":"David","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":494940,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70147923,"text":"70147923 - 2014 - Accounting for imperfect detection and survey bias in statistical analysis of presence-only data","interactions":[],"lastModifiedDate":"2015-05-11T11:39:45","indexId":"70147923","displayToPublicDate":"2014-12-01T12:45:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1839,"text":"Global Ecology and Biogeography","active":true,"publicationSubtype":{"id":10}},"title":"Accounting for imperfect detection and survey bias in statistical analysis of presence-only data","docAbstract":"

Aim

\n

During the past decade ecologists have attempted to estimate the parameters of species distribution models by combining locations of species presence observed in opportunistic surveys with spatially referenced covariates of occurrence. Several statistical models have been proposed for the analysis of presence-only data, but these models have largely ignored the effects of imperfect detection and survey bias. In this paper I describe a model-based approach for the analysis of presence-only data that accounts for errors in the detection of individuals and for biased selection of survey locations.

\n

Innovation

\n

I develop a hierarchical, statistical model that allows presence-only data to be analysed in conjunction with data acquired independently in planned surveys. One component of the model specifies the spatial distribution of individuals within a bounded, geographic region as a realization of a spatial point process. A second component of the model specifies two kinds of observations, the detection of individuals encountered during opportunistic surveys and the detection of individuals encountered during planned surveys.

\n

Main conclusions

\n

Using mathematical proof and simulation-based comparisons, I demonstrate that biases induced by errors in detection or biased selection of survey locations can be reduced or eliminated by using the hierarchical model to analyse presence-only data in conjunction with counts observed in planned surveys. I show that a relatively small number of high-quality data (from planned surveys) can be used to leverage the information in presence-only observations, which usually have broad spatial coverage but may not be informative of both occurrence and detectability of individuals. Because a variety of sampling protocols can be used in planned surveys, this approach to the analysis of presence-only data is widely applicable. In addition, since the point-process model is formulated at the level of an individual, it can be extended to account for biological interactions between individuals and temporal changes in their spatial distributions.

","language":"English","publisher":"Blackwell Scientific Publications","publisherLocation":"Oxford, England","doi":"10.1111/geb.12216","usgsCitation":"Dorazio, R., 2014, Accounting for imperfect detection and survey bias in statistical analysis of presence-only data: Global Ecology and Biogeography, v. 23, no. 12, p. 1472-1484, https://doi.org/10.1111/geb.12216.","productDescription":"13 p.","startPage":"1472","endPage":"1484","numberOfPages":"13","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-053071","costCenters":[{"id":566,"text":"Southeast Ecological Science Center","active":true,"usgs":true}],"links":[{"id":300289,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"23","issue":"12","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationDate":"2014-08-08","publicationStatus":"PW","scienceBaseUri":"5551d2ade4b0a92fa7e93bd2","contributors":{"authors":[{"text":"Dorazio, Robert M. bob_dorazio@usgs.gov","contributorId":140635,"corporation":false,"usgs":true,"family":"Dorazio","given":"Robert M.","email":"bob_dorazio@usgs.gov","affiliations":[{"id":566,"text":"Southeast Ecological Science Center","active":true,"usgs":true}],"preferred":false,"id":546389,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70155213,"text":"70155213 - 2014 - Why the New Madrid earthquakes are M 7–8 and the Charleston earthquake is ∼M 7","interactions":[],"lastModifiedDate":"2015-08-03T11:16:54","indexId":"70155213","displayToPublicDate":"2014-12-01T12:15:00","publicationYear":"2014","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":"Why the New Madrid earthquakes are M 7–8 and the Charleston earthquake is ∼M 7","docAbstract":"

Estimates of magnitudes of large historical earthquakes are an essential input to and can seriously affect seismic‐hazard estimates. The earthquake‐intensity observations, modified Mercalli intensities (MMI), and assigned magnitudes Mof the 1811–1812 New Madrid events have been reinterpreted several times in the last decade and have been a source of controversy in making seismic‐hazard estimates in the central United States. Observations support the concept that the larger the earthquake, the greater the maximum‐felt distance. For the same crustal attenuation and local soil conditions, magnitude should be the main influence on intensity values at large distances. We apply this concept by comparing the mean MMI at distances of 600–1200 km for each of the four largest New Madrid 1811–1812 earthquakes, the 1886 Charleston, South Carolina, earthquake, the 1929 M 7.2 Grand Banks earthquake, and the 2001M 7.6 Bhuj, India, earthquake. We fit the intensity observations using the form MMI=A+C×dist−0.8×log(dist) to better define intensity attenuation in eastern North America (ENA). The intensity attenuation in cratonic India differs from ENA and is corrected to ENA using both the above estimate and published intensity relations. We evaluate source, marine geophysical, Q, and stress‐drop information, as well as a 1929 Milne–Shaw record at Chicago to confirm that the 1929 Grand Banks earthquake occurred in ENA crust. Our direct comparison of mean intensities beyond 600 km suggests M 7.5, 7.3, 7.7, and 6.9 for the three New Madrid 1811–1812 mainshocks and the largest aftershock and M 7.0 for the 1886 Charleston, South Carolina, earthquake, with an estimated uncertainty of 0.3 units at the 95% confidence level (based on a Monte Carlo analysis). Our mean New Madrid and Charleston mainshock magnitudes are similar to those of Bakun and Hopper (2004) and are much higher than those of Hough and Page (2011) for New Madrid.

","language":"English","publisher":"Seismological Society of America","publisherLocation":"Stanford, CA","doi":"10.1785/0120120257","collaboration":"Center for Earthquake Research and Information at the University of Memphis","usgsCitation":"Cramer, C.H., and Boyd, O.S., 2014, Why the New Madrid earthquakes are M 7–8 and the Charleston earthquake is ∼M 7: Bulletin of the Seismological Society of America, v. 104, no. 6, p. 2884-2903, https://doi.org/10.1785/0120120257.","productDescription":"20 p.","startPage":"2884","endPage":"2903","numberOfPages":"20","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-056865","costCenters":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"links":[{"id":306315,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"104","issue":"6","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationDate":"2014-10-28","publicationStatus":"PW","scienceBaseUri":"55c090b6e4b033ef521042bc","contributors":{"authors":[{"text":"Cramer, Chris H.","contributorId":32196,"corporation":false,"usgs":true,"family":"Cramer","given":"Chris","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":565109,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Boyd, Oliver S. 0000-0001-9457-0407 olboyd@usgs.gov","orcid":"https://orcid.org/0000-0001-9457-0407","contributorId":140739,"corporation":false,"usgs":true,"family":"Boyd","given":"Oliver","email":"olboyd@usgs.gov","middleInitial":"S.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true},{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true},{"id":234,"text":"Earthquake Hazards Program","active":true,"usgs":true}],"preferred":true,"id":565108,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70134331,"text":"70134331 - 2014 - A 21-year study of seasonal and interspecific variation of hatchling emergence in a nearctic freshwater turtle community: to overwinter or not to overwinter?","interactions":[],"lastModifiedDate":"2014-12-02T12:00:52","indexId":"70134331","displayToPublicDate":"2014-12-01T12:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1896,"text":"Herpetological Monographs","active":true,"publicationSubtype":{"id":10}},"title":"A 21-year study of seasonal and interspecific variation of hatchling emergence in a nearctic freshwater turtle community: to overwinter or not to overwinter?","docAbstract":"

Hatchling emergence patterns were studied in a community of six species of freshwater turtles in Lancaster County, Pennsylvania, U.S.A. including: Chelydra serpentina, Chrysemys picta, Clemmys guttata, Glyptemys insculpta, G. muhlenbergii, and Sternotherus odoratus. Data were collected every year from 1965 to 1985 on estimated date of emergence, carapace length, April – May precipitation, August – September precipitation, annual precipitation, and low temperature and occurrence of precipitation during the 24-hrs prior to the time of each hatchling detection (n = 806). Chelydra serpentina, Ch. picta, and Cl. guttata hatchlings have a facultative delayed emergence strategy. The other species (G. insculpta, G. muhlenbergii, and S. odoratus) appear to be obligate early emergers, with the exception of one hatchling G. muhlenbergii that delayed emergence. Early emergence occurred in some species every year except 1973, the year following intense flooding and nest destruction associated with a major hurricane. However, the majority of hatchlings delayed emergence until the year following oviposition. Mean estimated calendar day of emergence varied annually in C. serpentina and Ch. picta. The same variable also varied among species for comparisons of both early and delayed emergence. Chelydra serpentina hatchlings emerged earlier than all other species whether they used an early or delayed strategy. Carapace length of Ch. picta hatchlings varied significantly among years and C. serpentina hatchlings that delayed emergence were significantly larger in carapace length than those that emerged early. Seasonal and previous 24-hr precipitation had varying effects on the number of emerging hatchlings, but August – September precipitation in one year had a strong correlation with the number of hatchlings that delayed emergence until the following spring. The number of hatchlings detected peaked at a previous 24-hour air temperature of about 12°C for both early and late emergence. Small species like G. muhlenbergii and S. odoratus may emerge early to limit potential hatchling competition in diverse communities of freshwater turtles with primarily delayed emergence.

","language":"English","publisher":"The Herpetologists' League, Inc.","publisherLocation":"Washington, D.C.","usgsCitation":"Lovich, J.E., Ernst, C.H., Ernst, E.M., and Riley, J.L., 2014, A 21-year study of seasonal and interspecific variation of hatchling emergence in a nearctic freshwater turtle community: to overwinter or not to overwinter?: Herpetological Monographs, v. 28, no. 1, p. 93-109.","productDescription":"17 p.","startPage":"93","endPage":"109","numberOfPages":"17","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-053806","costCenters":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"links":[{"id":296379,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.bioone.org/doi/abs/10.1655/HERPMONOGRAPHS-D-14-00001"},{"id":296380,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"28","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"547ee2b4e4b09357f05f8a36","contributors":{"authors":[{"text":"Lovich, Jeffrey E. 0000-0002-7789-2831 jeffrey_lovich@usgs.gov","orcid":"https://orcid.org/0000-0002-7789-2831","contributorId":458,"corporation":false,"usgs":true,"family":"Lovich","given":"Jeffrey","email":"jeffrey_lovich@usgs.gov","middleInitial":"E.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true},{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":true,"id":525890,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ernst, Carl H.","contributorId":22277,"corporation":false,"usgs":true,"family":"Ernst","given":"Carl","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":525891,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ernst, Evelyn M.","contributorId":127606,"corporation":false,"usgs":false,"family":"Ernst","given":"Evelyn","email":"","middleInitial":"M.","affiliations":[{"id":7076,"text":"Division of Amphibians and Reptiles, Smithsonian Institution, PO Box 37012, MRC 16, Washington, DC 20013-7012, USA","active":true,"usgs":false}],"preferred":false,"id":525892,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Riley, Julia L.","contributorId":127607,"corporation":false,"usgs":false,"family":"Riley","given":"Julia","email":"","middleInitial":"L.","affiliations":[{"id":7077,"text":"Dept of Biology, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario, P3E 3V8, Canada; PRESENT ADDRESS: Dept of Biological Sciences, Division of Brain, Behaviour & Evolution, Macquarie University, Sydney, NSW, 2109, Australia","active":true,"usgs":false}],"preferred":false,"id":525893,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70147936,"text":"70147936 - 2014 - Raptor abundance and northern bobwhite survival and habitat use","interactions":[],"lastModifiedDate":"2016-07-11T15:41:24","indexId":"70147936","displayToPublicDate":"2014-12-01T12:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3779,"text":"Wildlife Society Bulletin","onlineIssn":"1938-5463","printIssn":"0091-7648","active":true,"publicationSubtype":{"id":10}},"title":"Raptor abundance and northern bobwhite survival and habitat use","docAbstract":"

Predation risk has a profound influence on prey behavior and habitat use. The Rio Grande Plains ecoregion of Texas, USA, provides a unique opportunity to investigate changes in prey behavior because the ecoregion experiences a high influx of raptors every year during autumn migration. We used an 8-year data set (2000–2008) of radiocollared northern bobwhites (Colinus virginianus) and raptor abundance to test the hypothesis that bobwhites responded to increased raptor abundance via changes in woody-cover use at the home-range scale. Bobwhite survival was negatively correlated with raptor abundance, with red-tailed hawks (Buteo jamaicensis), and northern harriers (Circus cyaneus) accounting for 51% of the variability in bobwhite survival (P < 0.010). However, we documented no change in the amount of woody cover used by bobwhites in their home range between the raptor migration (6.6% ± 0.5%; n = 73 bobwhites) and non-migration periods (7.1% ± 0.4%; n = 105 bobwhites; P = 0.490). In addition, bobwhites that survived the raptor migration period used similar amounts of woody cover within their home range (6.3% ± 0.6%, n = 58 bobwhites) compared with those dying during the migration period (6.8% ± 0.4%, n = 100 bobwhites; P = 0.530). Our data suggest that bobwhites do not alter their use of woody cover at the home-range scale in response to increasing raptor abundance, but this does not preclude increased use of woody cover at the point-of-use scale.

","language":"English","publisher":"Wildlife Society","publisherLocation":"Washington, D.C.","doi":"10.1002/wsb.476","usgsCitation":"Turner, J., Hernandez, F., Boal, C.W., Ballard, B.M., Bryant, F.C., and Wester, D., 2014, Raptor abundance and northern bobwhite survival and habitat use: Wildlife Society Bulletin, v. 38, no. 4, p. 689-696, https://doi.org/10.1002/wsb.476.","productDescription":"8 p.","startPage":"689","endPage":"696","numberOfPages":"8","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-044540","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":499945,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://doaj.org/article/98ebc67177894e0680aba2c44ec9e551","text":"External Repository"},{"id":300278,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Texas","otherGeospatial":"Rio Grande 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F.","contributorId":101082,"corporation":false,"usgs":true,"family":"Hernandez","given":"F.","email":"","affiliations":[],"preferred":false,"id":546589,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Boal, Clint W. 0000-0001-6008-8911 cboal@usgs.gov","orcid":"https://orcid.org/0000-0001-6008-8911","contributorId":1909,"corporation":false,"usgs":true,"family":"Boal","given":"Clint","email":"cboal@usgs.gov","middleInitial":"W.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true},{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":546435,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ballard, Bart M.","contributorId":62932,"corporation":false,"usgs":true,"family":"Ballard","given":"Bart","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":546594,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bryant, Fred C.","contributorId":140701,"corporation":false,"usgs":false,"family":"Bryant","given":"Fred","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":546595,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Wester, D.B.","contributorId":29649,"corporation":false,"usgs":true,"family":"Wester","given":"D.B.","email":"","affiliations":[],"preferred":false,"id":546596,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70148180,"text":"70148180 - 2014 - Evaluating abiotic influences on soil salinity of inland managed wetlands and agricultural croplands in a semi-arid environment","interactions":[],"lastModifiedDate":"2015-05-26T10:46:57","indexId":"70148180","displayToPublicDate":"2014-12-01T11:45:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3750,"text":"Wetlands","onlineIssn":"1943-6246","printIssn":"0277-5212","active":true,"publicationSubtype":{"id":10}},"title":"Evaluating abiotic influences on soil salinity of inland managed wetlands and agricultural croplands in a semi-arid environment","docAbstract":"

Agriculture and moist-soil management are important management techniques used on wildlife refuges to provide adequate energy for migrant waterbirds. In semi-arid systems, the accumulation of soluble salts throughout the soil profile can limit total production of wetland plants and agronomic crops and thus jeopardize meeting waterbird energy needs. This study evaluates the effect of distinct hydrologic regimes associated with moist-soil management and agricultural production on salt accumulation in a semi-arid floodplain. We hypothesized that the frequency of flooding and quantity of floodwater in a moist-soil management hydroperiod results in a less saline soil profile compared to profiles under traditional agricultural management. Findings showed that agricultural croplands differed (p-value < 0.001, df = 9) in quantities of total soluble salts (TSS) compared to moist-soil impoundments and contained greater concentrations (TSS range = 1,160-1,750 (mg kg-1)) at depth greater than 55 cm below the surface of the profile, while moist-soil impoundments contained lower concentrations (TSS range = 307-531 (mg kg-1)) at the same depths. Increased salts in agricultural may be attributed to the lack of leaching afforded by smaller summer irrigations while larger periodic flooding events in winter and summer flood irrigations in moist-soil impoundments may serve as leaching events.

","language":"English","publisher":"Society of Wetland Scientists","publisherLocation":"McClean, VA","doi":"10.1007/s13157-014-0585-3","collaboration":"U.S. Fish and Wildlife Service; Bosque del Apache National Wildlife Refuge; United States Geological Survey","usgsCitation":"Fowler, D., King, S.L., and Weindorf, D.C., 2014, Evaluating abiotic influences on soil salinity of inland managed wetlands and agricultural croplands in a semi-arid environment: Wetlands, v. 34, no. 6, p. 1229-1239, https://doi.org/10.1007/s13157-014-0585-3.","productDescription":"11 p.","startPage":"1229","endPage":"1239","numberOfPages":"11","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-057187","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":300780,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"34","issue":"6","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationDate":"2014-11-07","publicationStatus":"PW","scienceBaseUri":"55659941e4b0d9246a9eb621","contributors":{"authors":[{"text":"Fowler, D.","contributorId":94411,"corporation":false,"usgs":true,"family":"Fowler","given":"D.","email":"","affiliations":[],"preferred":false,"id":547602,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"King, Sammy L. 0000-0002-5364-6361 sking@usgs.gov","orcid":"https://orcid.org/0000-0002-5364-6361","contributorId":557,"corporation":false,"usgs":true,"family":"King","given":"Sammy","email":"sking@usgs.gov","middleInitial":"L.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":547538,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Weindorf, David C.","contributorId":140924,"corporation":false,"usgs":false,"family":"Weindorf","given":"David","email":"","middleInitial":"C.","affiliations":[{"id":27688,"text":"Texas Tech University, Lubbock, TX 79409","active":true,"usgs":false}],"preferred":false,"id":547603,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70134891,"text":"70134891 - 2014 - Geologic implications of gas hydrates in the offshore of India: results of the National Gas Hydrate Program Expedition 01","interactions":[],"lastModifiedDate":"2014-12-09T11:44:51","indexId":"70134891","displayToPublicDate":"2014-12-01T11:45:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2682,"text":"Marine and Petroleum Geology","active":true,"publicationSubtype":{"id":10}},"title":"Geologic implications of gas hydrates in the offshore of India: results of the National Gas Hydrate Program Expedition 01","docAbstract":"

The Indian National Gas Hydrate Program Expedition 01 (NGHP-01) is designed to study the occurrence of gas hydrate along the passive continental margin of the Indian Peninsula and in the Andaman convergent margin, with special emphasis on understanding the geologic and geochemical controls on the occurrence of gas hydrate in these two diverse settings. The NGHP-01 expedition established the presence of gas hydrates in the Krishna-Godavari and Mahanadi Basins, and the Andaman Sea. The expedition discovered in the Krishna-Godavari Basin one of the thickest gas hydrate accumulations ever documented, in the Andaman Sea one of the thickest and deepest gas hydrate stability zones in the world, and established the existence of a fully developed gas hydrate petroleum system in all three basins.

\n

The primary goal of NGHP-01 was to conduct scientific ocean drilling/coring, logging, and analytical activities to assess the geologic occurrence, regional context, and characteristics of gas hydrate deposits along the continental margins of India. This was done in order to meet the long-term goal of exploiting gas hydrate as a potential energy resource in a cost effective and safe manner. During its 113.5-day voyage, the D/V JOIDES Resolution cored and/or drilled 39 holes at 21 sites (1 site in Kerala-Konkan, 15 sites in Krishna-Godavari, 4 sites in Mahanadi, and 1 site in the Andaman deep offshore area), penetrated more than 9250 m of sedimentary section, and recovered nearly 2850 m of core. Twelve holes were logged with logging-while-drilling (LWD) tools and an additional 13 holes were wireline logged. The science team utilized extensive on-board laboratory facilities to examine and prepare preliminary reports on the physical properties, geochemistry, and sedimentology of all the data collected prior to the end of the expedition. Samples were also analyzed in additional post-expedition shore-based studies conducted in leading laboratories around the world.

\n

One of the specific objectives of this expedition was to test gas hydrate formation models and constrain model parameters, especially those that account for the formation of concentrated gas hydrate accumulations. The necessary data for characterizing the occurrence of in situ gas hydrate, such as interstitial water chlorinities, core-derived gas chemistry, physical and sedimentological properties, thermal images of the recovered cores, and downhole measured logging data (LWD and/or conventional wireline log data), were obtained from most of the drill sites established during NGHP-01. Almost all of the drill sites yielded evidence for the occurrence of gas hydrate; however, the inferred in situ concentration of gas hydrate varied substantially from site to site. For the most part, the interpretation of downhole logging data, core thermal images, interstitial water analyses, and pressure core images from the sites drilled during NGHP-01 indicate that the occurrence of concentrated gas hydrate is mostly associated with the presence of fractures in the sediments, and in some limited cases, by coarser grained (mostly sand-rich) sediments.

","language":"English","publisher":"Butterworth Scientific Ltd.","publisherLocation":"Guildford, Surrey","doi":"10.1016/j.marpetgeo.2014.07.021","usgsCitation":"Collett, T.S., Boswell, R., Cochran, J.R., Kumar, P., Lall, M., Mazumdar, A., Ramana, M.V., Ramprasad, T., Riedel, M., Sain, K., Sathe, A.V., and Vishwanath, K., 2014, Geologic implications of gas hydrates in the offshore of India: results of the National Gas Hydrate Program Expedition 01: Marine and Petroleum Geology, v. 58, no. A, p. 3-28, https://doi.org/10.1016/j.marpetgeo.2014.07.021.","productDescription":"26 p.","startPage":"3","endPage":"28","numberOfPages":"26","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-058226","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":472603,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://www.osti.gov/biblio/1556750","text":"Publisher Index Page"},{"id":296528,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":296474,"type":{"id":15,"text":"Index Page"},"url":"https://dx.doi.org/10.1016/j.marpetgeo.2014.07.021"}],"volume":"58","issue":"A","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"54882b50e4b02acb4f0c8c33","contributors":{"authors":[{"text":"Collett, Timothy S. 0000-0002-7598-4708 tcollett@usgs.gov","orcid":"https://orcid.org/0000-0002-7598-4708","contributorId":1698,"corporation":false,"usgs":true,"family":"Collett","given":"Timothy","email":"tcollett@usgs.gov","middleInitial":"S.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true},{"id":255,"text":"Energy Resources Program","active":true,"usgs":true},{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true},{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":526634,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Boswell, Ray","contributorId":12307,"corporation":false,"usgs":true,"family":"Boswell","given":"Ray","affiliations":[],"preferred":false,"id":526635,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cochran, J. R.","contributorId":127754,"corporation":false,"usgs":false,"family":"Cochran","given":"J.","email":"","middleInitial":"R.","affiliations":[{"id":7135,"text":"Lamont Doherty Earth Observatory, Columbia University, Palisades, NY","active":true,"usgs":false}],"preferred":false,"id":526636,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kumar, Pushpendra","contributorId":54886,"corporation":false,"usgs":true,"family":"Kumar","given":"Pushpendra","affiliations":[],"preferred":false,"id":526637,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Lall, Malcolm","contributorId":127755,"corporation":false,"usgs":false,"family":"Lall","given":"Malcolm","email":"","affiliations":[{"id":7136,"text":"Directorate General of Hydrocarbons, Plot No 2, Sector 73, Noida, India","active":true,"usgs":false}],"preferred":false,"id":526638,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Mazumdar, Aninda","contributorId":127756,"corporation":false,"usgs":false,"family":"Mazumdar","given":"Aninda","email":"","affiliations":[{"id":7137,"text":"CSIR-National Institute of Oceanography, Donapaula, Goa 403004, India","active":true,"usgs":false}],"preferred":false,"id":526639,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Ramana, Mangipudi Venkata","contributorId":127757,"corporation":false,"usgs":false,"family":"Ramana","given":"Mangipudi","email":"","middleInitial":"Venkata","affiliations":[{"id":7138,"text":"Mauritius Oceanography Institute, Mauritius","active":true,"usgs":false}],"preferred":false,"id":526640,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Ramprasad, Tammisetti","contributorId":127758,"corporation":false,"usgs":false,"family":"Ramprasad","given":"Tammisetti","email":"","affiliations":[{"id":7137,"text":"CSIR-National Institute of Oceanography, Donapaula, Goa 403004, India","active":true,"usgs":false}],"preferred":false,"id":526641,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Riedel, Michael","contributorId":7518,"corporation":false,"usgs":true,"family":"Riedel","given":"Michael","email":"","affiliations":[],"preferred":false,"id":526642,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Sain, Kalachand","contributorId":127759,"corporation":false,"usgs":false,"family":"Sain","given":"Kalachand","email":"","affiliations":[{"id":7139,"text":"CSIR-National Geophysical Research Institute, India","active":true,"usgs":false}],"preferred":false,"id":526643,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Sathe, Arun Vasant","contributorId":127760,"corporation":false,"usgs":false,"family":"Sathe","given":"Arun","email":"","middleInitial":"Vasant","affiliations":[{"id":7140,"text":"Oil and Natural Gas Corporation Ltd., KDM Inst. of Petroleum Exploration, Uttaranchal, India","active":true,"usgs":false}],"preferred":false,"id":526644,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Vishwanath, Krishna","contributorId":127761,"corporation":false,"usgs":false,"family":"Vishwanath","given":"Krishna","email":"","affiliations":[{"id":7136,"text":"Directorate General of Hydrocarbons, Plot No 2, Sector 73, Noida, India","active":true,"usgs":false}],"preferred":false,"id":526645,"contributorType":{"id":1,"text":"Authors"},"rank":12}]}} ,{"id":70134901,"text":"70134901 - 2014 - Geologic implications of gas hydrates in the offshore of India: Krishna-Godavari Basin, Mahanadi Basin, Andaman Sea, Kerala-Konkan Basin","interactions":[],"lastModifiedDate":"2014-12-09T11:36:59","indexId":"70134901","displayToPublicDate":"2014-12-01T11:45:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2682,"text":"Marine and Petroleum Geology","active":true,"publicationSubtype":{"id":10}},"title":"Geologic implications of gas hydrates in the offshore of India: Krishna-Godavari Basin, Mahanadi Basin, Andaman Sea, Kerala-Konkan Basin","docAbstract":"

Gas hydrate resource assessments that indicate enormous global volumes of gas present within hydrate accumulations have been one of the primary driving forces behind the growing interest in gas hydrates. Gas hydrate volumetric estimates in recent years have focused on documenting the geologic parameters in the “gas hydrate petroleum system” that control the occurrence of gas hydrates in nature. The primary goals of this report are to review our present understanding of the geologic controls on the occurrence of gas hydrate in the offshore of India and to document the application of the petroleum system approach to the study of gas hydrates.

\n

National Gas Hydrate Program of India executed the National Gas Hydrate Program Expedition 01 (NGHP-01) in 2006 in four areas located on the eastern and western margins of the Indian Peninsula and in the Andaman Sea. These areas have experienced very different tectonic and depositional histories. The peninsular margins are passive continental margins resulting from a series of rifting episodes during the breakup and dispersion of Gondwanaland to form the present Indian Ocean. The Andaman Sea is bounded on its western side by a convergent margin where the Indian plate lithosphere is being subducted beneath southeast Asia.

\n

NGHP-01 drilled, logged, and/or cored 15 sites (31 holes) in the Krishna–Godavari Basin, 4 sites (5 holes) in the Mahanadi Basin, 1 site (2 holes) in the Andaman Sea, and 1 site (1 hole) in the Kerala–Konkan Basin. Holes were drilled using standard drilling methods for the purpose of logging-while-drilling and dedicated wireline logging; as well as through the use of a variety of standard coring systems and specialized pressure coring systems.

\n

NGHP-01 yielded evidence of gas hydrate from downhole log and core data obtained from all the sites in the Krishna–Godavari Basin, the Mahanadi Basin, and in the Andaman Sea. The site drilled in the Kerala–Konkan Basin during NGHP-01 did not yield any evidence of gas hydrate. Most of the downhole log-inferred gas hydrate and core-recovered gas hydrate were characterized as either fracture-filling in clay-dominated sediments or as pore-filling or grain-displacement particles disseminated in both fine- and coarse-grained sediments. Geochemical analyses of gases obtained from sediment cores recovered during NGHP-01 indicated that the gas in most all of the hydrates in the offshore of India is derived from microbial sources; only one site in the Andaman Sea exhibited limited evidence of a thermogenic gas source. The gas hydrate petroleum system concept has been used to effectively characterize the geologic controls on the occurrence of gas hydrates in the offshore of India.

","language":"English","publisher":"Butterworth Scientific Ltd.","publisherLocation":"Guildford, Surrey","doi":"10.1016/j.marpetgeo.2014.07.031","usgsCitation":"Kumar, P., Collett, T.S., Boswell, R., Cochran, J.R., Lall, M., Mazumdar, A., Ramana, M.V., Ramprasad, T., Riedel, M., Sain, K., Sathe, A.V., Vishwanath, K., and Yadav, U., 2014, Geologic implications of gas hydrates in the offshore of India: Krishna-Godavari Basin, Mahanadi Basin, Andaman Sea, Kerala-Konkan Basin: Marine and Petroleum Geology, v. 58, no. 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India","active":true,"usgs":false}],"preferred":false,"id":526656,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Vishwanath, Krishna","contributorId":127761,"corporation":false,"usgs":false,"family":"Vishwanath","given":"Krishna","email":"","affiliations":[{"id":7136,"text":"Directorate General of Hydrocarbons, Plot No 2, Sector 73, Noida, India","active":true,"usgs":false}],"preferred":false,"id":526657,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Yadav, U.S.","contributorId":127763,"corporation":false,"usgs":false,"family":"Yadav","given":"U.S.","email":"","affiliations":[{"id":7141,"text":"Oil and Natural Gas Corporation Ltd, KDM Institute of Petroleum Exploration, India","active":true,"usgs":false}],"preferred":false,"id":526658,"contributorType":{"id":1,"text":"Authors"},"rank":13}]}} ,{"id":70159690,"text":"70159690 - 2014 - The fellow speaks: Sometimes you get only one chance","interactions":[],"lastModifiedDate":"2018-02-21T13:31:08","indexId":"70159690","displayToPublicDate":"2014-12-01T11:15:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":722,"text":"AGU Hydrology Section Newsletter","active":true,"publicationSubtype":{"id":10}},"title":"The fellow speaks: Sometimes you get only one chance","docAbstract":"

I am grateful to AGU for selecting me as one of the five recipient of the 2014 Ambassador Award, which also includes election as a Union Fellow. I thank my colleague Steve Ingebritsen for nominating me. As Steve’s citation mentions my work on the Deepwater Horizon oil spill response, I would like to reflect on this experience.

The Deepwater Horizon oil spill is well documented in the report of the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling (2011). Washington Post writer John Achenbach’s (2011) book gives a behind-the-scene portrayal of the crisis and explains oil drilling technology in layman’s terms. A special feature in the Proceedings of the National Academy of Sciences (v. 109, no. 50, December 11, 2012) presents 4 perspectives and 11 research articles on “Science Applications in the Deepwater Horizon Oil Spill.” Here, I will simply share my personal perspective.

","language":"English","publisher":"American Geophysical Union","usgsCitation":"Hsieh, P.A., 2014, The fellow speaks: Sometimes you get only one chance: AGU Hydrology Section Newsletter, no. December 2014, p. 17-19.","productDescription":"3 p.","startPage":"17","endPage":"19","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-059976","costCenters":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"links":[{"id":311477,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":311456,"type":{"id":15,"text":"Index Page"},"url":"https://hydrology.agu.org/agu-hydrology-section-newsletter/"}],"issue":"December 2014","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"564daf54e4b0112df6c62e36","contributors":{"authors":[{"text":"Hsieh, Paul A. 0000-0003-4873-4874 pahsieh@usgs.gov","orcid":"https://orcid.org/0000-0003-4873-4874","contributorId":1634,"corporation":false,"usgs":true,"family":"Hsieh","given":"Paul","email":"pahsieh@usgs.gov","middleInitial":"A.","affiliations":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":39113,"text":"WMA - Office of Quality Assurance","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":580103,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70134921,"text":"70134921 - 2014 - Disease dynamics during wildlife translocations: disruptions to the host population and potential consequences for transmission in desert tortoise contact networks","interactions":[],"lastModifiedDate":"2014-12-09T11:03:35","indexId":"70134921","displayToPublicDate":"2014-12-01T11:15:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":774,"text":"Animal Conservation","active":true,"publicationSubtype":{"id":10}},"title":"Disease dynamics during wildlife translocations: disruptions to the host population and potential consequences for transmission in desert tortoise contact networks","docAbstract":"

Wildlife managers consider animal translocation a means of increasing the viability of a local population. However, augmentation may disrupt existing resident disease dynamics and initiate an outbreak that would effectively offset any advantages the translocation may have achieved. This paper examines fundamental concepts of disease ecology and identifies the conditions that will increase the likelihood of a disease outbreak following translocation. We highlight the importance of susceptibility to infection, population size and population connectivity – a characteristic likely affected by translocation but not often considered in risk assessments – in estimating outbreak risk due to translocation. We then explore these features in a species of conservation concern often translocated in the presence of infectious disease, the Mojave Desert tortoise, and use data from experimental tortoise translocations to detect changes in population connectivity that may influence pathogen transmission. Preliminary analyses comparing contact networks inferred from spatial data at control and translocation plots and infection simulation results through these networks suggest increased outbreak risk following translocation due to dispersal-driven changes in contact frequency and network structure. We outline future research goals to test these concepts and aid managers in designing effective risk assessment and intervention strategies that will improve translocation success.

","language":"English","publisher":"Cambridge University Press","publisherLocation":"Cambridge, England","doi":"10.1111/acv.12147","usgsCitation":"Aiello, C.M., Nussear, K.E., Walde, A.D., Esque, T., Emblidge, P.G., Sah, P., Bansal, S., and Hudson, P., 2014, Disease dynamics during wildlife translocations: disruptions to the host population and potential consequences for transmission in desert tortoise contact networks: Animal Conservation, v. 17, no. Supplement S1, p. 27-39, https://doi.org/10.1111/acv.12147.","productDescription":"13 p.","startPage":"27","endPage":"39","numberOfPages":"13","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-053827","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":472605,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/acv.12147","text":"Publisher Index Page"},{"id":296522,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":296521,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://onlinelibrary.wiley.com/doi/10.1111/acv.12147/abstract"}],"volume":"17","issue":"Supplement S1","noUsgsAuthors":false,"publicationDate":"2014-11-13","publicationStatus":"PW","scienceBaseUri":"54882b48e4b02acb4f0c8c28","contributors":{"authors":[{"text":"Aiello, Christina M. 0000-0002-2399-5464 caiello@usgs.gov","orcid":"https://orcid.org/0000-0002-2399-5464","contributorId":5617,"corporation":false,"usgs":true,"family":"Aiello","given":"Christina","email":"caiello@usgs.gov","middleInitial":"M.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":526667,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nussear, Kenneth E. knussear@usgs.gov","contributorId":2695,"corporation":false,"usgs":true,"family":"Nussear","given":"Kenneth","email":"knussear@usgs.gov","middleInitial":"E.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":526666,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Walde, Andrew D.","contributorId":127765,"corporation":false,"usgs":false,"family":"Walde","given":"Andrew","email":"","middleInitial":"D.","affiliations":[{"id":7143,"text":"Walde Resoarch & Environmental Consulting, Atascadero, CA","active":true,"usgs":false}],"preferred":false,"id":526668,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Esque, Todd C. tesque@usgs.gov","contributorId":127766,"corporation":false,"usgs":true,"family":"Esque","given":"Todd C.","email":"tesque@usgs.gov","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":false,"id":526669,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Emblidge, Patrick G. pemblidge@usgs.gov","contributorId":127767,"corporation":false,"usgs":false,"family":"Emblidge","given":"Patrick","email":"pemblidge@usgs.gov","middleInitial":"G.","affiliations":[{"id":7144,"text":"Center for Infectious Disease Dynamics, Penn State U, University Park, PA","active":true,"usgs":false}],"preferred":false,"id":526670,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Sah, Pratha","contributorId":127768,"corporation":false,"usgs":false,"family":"Sah","given":"Pratha","email":"","affiliations":[{"id":7145,"text":"Department of Biology, Georgetown University, Washington DC","active":true,"usgs":false}],"preferred":false,"id":526671,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Bansal, S.","contributorId":127769,"corporation":false,"usgs":false,"family":"Bansal","given":"S.","email":"","affiliations":[{"id":7146,"text":"Georgetown University","active":true,"usgs":false}],"preferred":false,"id":526673,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Hudson, Peter J.","contributorId":85056,"corporation":false,"usgs":true,"family":"Hudson","given":"Peter J.","affiliations":[],"preferred":false,"id":526672,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ,{"id":70134501,"text":"70134501 - 2014 - Oil source-fingerprinting in support of polarimetric radar mapping of Macondo-252 oil in Gulf Coast marshes","interactions":[],"lastModifiedDate":"2020-12-31T19:10:43.653397","indexId":"70134501","displayToPublicDate":"2014-12-01T11:15:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2676,"text":"Marine Pollution Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Oil source-fingerprinting in support of polarimetric radar mapping of Macondo-252 oil in Gulf Coast marshes","docAbstract":"

Polarimetric synthetic aperture radar (PolSAR) data exhibited dramatic, spatially extensive changes from June 2009 to June 2010 in Barataria Bay, Louisiana. To determine whether these changes were associated with the Deepwater Horizon (DWH) oil spill, twenty-nine sediment samples were collected in 2011 from shoreline and nearshore–interior coastal marsh locations where oil was not observed visually or with optical sensors during the spill. Oil source-fingerprinting and polytopic vector analysis were used to link DWH oil to PolSAR changes. Our results prove that DWH oil extended beyond shorelines and confirm the association between presence of DWH oil and PolSAR change. These results show that the DWH oil spill probably affected much more of the southeastern Louisiana marshland than originally concluded from ground and aerial surveys and verify that PolSAR is a powerful tool for tracking oil intrusion into marshes with high probability even where contamination is not visible from above the canopy.

","language":"English","publisher":"Elsevier","publisherLocation":"London, England","doi":"10.1016/j.marpolbul.2014.10.032","usgsCitation":"Ramsey, E.W., Meyer, B.M., Rangoonwala, A., Overton, E., Jones, C.E., and Bannister, T., 2014, Oil source-fingerprinting in support of polarimetric radar mapping of Macondo-252 oil in Gulf Coast marshes: Marine Pollution Bulletin, v. 89, no. 1-2, p. 85-95, https://doi.org/10.1016/j.marpolbul.2014.10.032.","productDescription":"11 p.","startPage":"85","endPage":"95","numberOfPages":"11","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-045074","costCenters":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":472604,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.marpolbul.2014.10.032","text":"Publisher Index Page"},{"id":296370,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Louisiana","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -90.64544677734375,\n 29.152161283318915\n ],\n [\n -89.417724609375,\n 29.152161283318915\n ],\n [\n -89.417724609375,\n 29.778681776917633\n ],\n [\n -90.64544677734375,\n 29.778681776917633\n ],\n [\n -90.64544677734375,\n 29.152161283318915\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"89","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"547ee2cee4b09357f05f8a66","contributors":{"authors":[{"text":"Ramsey, Elijah W. III 0000-0002-4518-5796 ramseye@usgs.gov","orcid":"https://orcid.org/0000-0002-4518-5796","contributorId":2883,"corporation":false,"usgs":true,"family":"Ramsey","given":"Elijah","suffix":"III","email":"ramseye@usgs.gov","middleInitial":"W.","affiliations":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":false,"id":526064,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Meyer, Buffy M.","contributorId":127644,"corporation":false,"usgs":false,"family":"Meyer","given":"Buffy","email":"","middleInitial":"M.","affiliations":[{"id":7096,"text":"Department of Environmental Sciences, Louisiana State University, LA","active":true,"usgs":false}],"preferred":false,"id":526065,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rangoonwala, Amina 0000-0002-0556-0598 rangoonwalaa@usgs.gov","orcid":"https://orcid.org/0000-0002-0556-0598","contributorId":3455,"corporation":false,"usgs":true,"family":"Rangoonwala","given":"Amina","email":"rangoonwalaa@usgs.gov","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true},{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true}],"preferred":true,"id":526066,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Overton, Edward","contributorId":127645,"corporation":false,"usgs":false,"family":"Overton","given":"Edward","email":"","affiliations":[{"id":7096,"text":"Department of Environmental Sciences, Louisiana State University, LA","active":true,"usgs":false}],"preferred":false,"id":526067,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Jones, Cathleen E.","contributorId":11890,"corporation":false,"usgs":true,"family":"Jones","given":"Cathleen","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":526069,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Bannister, Terri","contributorId":82836,"corporation":false,"usgs":true,"family":"Bannister","given":"Terri","email":"","affiliations":[],"preferred":false,"id":526068,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70135039,"text":"70135039 - 2014 - Enterococcus phages as potential tool for identifying sewage inputs in the Great Lakes region","interactions":[],"lastModifiedDate":"2018-02-15T13:17:42","indexId":"70135039","displayToPublicDate":"2014-12-01T11:00:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2330,"text":"Journal of Great Lakes Research","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Enterococcus phages as potential tool for identifying sewage inputs in the Great Lakes region","title":"Enterococcus phages as potential tool for identifying sewage inputs in the Great Lakes region","docAbstract":"

Bacteriophages are viruses living in bacteria that can be used as a tool to detect fecal contamination in surface waters around the world. However, the lack of a universal host strain makes them unsuitable for tracking fecal sources. We evaluated the suitability of two newly isolated Enterococcus host strains (ENT-49 and ENT-55) capable for identifying sewage contamination in impacted waters by targeting phages specific to these hosts. Both host strains were isolated from wastewater samples and identified as E. faecium by 16S rRNA gene sequencing. Occurrence of Enterococcus phages was evaluated in sewage samples (n = 15) from five wastewater treatment plants and in fecal samples from twenty-two species of wild and domesticated animals (individual samples; n = 22). Levels of Enterococcus phages, F + coliphages, Escherichia coli and enterococci were examined from four rivers, four beaches, and three harbors. Enterococcus phages enumeration was at similar levels (Mean = 6.72 Log PFU/100 mL) to F + coliphages in all wastewater samples, but were absent from all non-human fecal sources tested. The phages infecting Enterococcus spp. and F + coliphages were not detected in the river samples (detection threshold < 10 PFU/100 mL), but were present in the beach and harbor samples (range = 1.83 to 2.86 Log PFU/100 mL). Slightly higher concentrations (range = 3.22 to 3.69 Log MPN/100 mL) of E. coli and enterococci when compared to F + coliphages and Enterococcus phages, were observed in the river, beach and harbor samples. Our findings suggest that the bacteriophages associated with these particular Enterococcus host strains offer potentially sensitive and human-source specific indicators of enteric pathogen risk.

","language":"English","publisher":"Elsevier","doi":"10.1016/j.jglr.2014.09.011","usgsCitation":"Vijayavel, K., Byappanahalli, M., Ebdon, J., Whitman, R.L., Taylor, H., and Kashian, D., 2014, Enterococcus phages as potential tool for identifying sewage inputs in the Great Lakes region: Journal of Great Lakes Research, v. 40, no. 4, p. 989-993, https://doi.org/10.1016/j.jglr.2014.09.011.","productDescription":"5 p.","startPage":"989","endPage":"993","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-052004","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":296518,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Great Lakes","volume":"40","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"54882b4ae4b02acb4f0c8c2b","contributors":{"authors":[{"text":"Vijayavel, K.","contributorId":127773,"corporation":false,"usgs":false,"family":"Vijayavel","given":"K.","email":"","affiliations":[{"id":7147,"text":"Wayne State University","active":true,"usgs":false}],"preferred":false,"id":526697,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Byappanahalli, Muruleedhara N. byappan@usgs.gov","contributorId":3324,"corporation":false,"usgs":true,"family":"Byappanahalli","given":"Muruleedhara N.","email":"byappan@usgs.gov","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":false,"id":526696,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Taylor, H.","contributorId":127775,"corporation":false,"usgs":false,"family":"Taylor","given":"H.","affiliations":[{"id":7148,"text":"University of Brighton, United Kingdom","active":true,"usgs":false}],"preferred":false,"id":526699,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Whitman, Richard L. rwhitman@usgs.gov","contributorId":542,"corporation":false,"usgs":true,"family":"Whitman","given":"Richard","email":"rwhitman@usgs.gov","middleInitial":"L.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":526700,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ebdon, J.","contributorId":127774,"corporation":false,"usgs":false,"family":"Ebdon","given":"J.","email":"","affiliations":[{"id":7148,"text":"University of Brighton, United Kingdom","active":true,"usgs":false}],"preferred":false,"id":526698,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kashian, D.R.","contributorId":127776,"corporation":false,"usgs":false,"family":"Kashian","given":"D.R.","affiliations":[{"id":7147,"text":"Wayne State University","active":true,"usgs":false}],"preferred":false,"id":526701,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70135049,"text":"70135049 - 2014 - Molecular-level characterization of crude oil compounds combining reversed-phase high-performance liquid chromatography with off-line high-resolution mass spectrometry","interactions":[],"lastModifiedDate":"2014-12-09T10:32:18","indexId":"70135049","displayToPublicDate":"2014-12-01T10:45:00","publicationYear":"2014","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1709,"text":"Fuel","active":true,"publicationSubtype":{"id":10}},"title":"Molecular-level characterization of crude oil compounds combining reversed-phase high-performance liquid chromatography with off-line high-resolution mass spectrometry","docAbstract":"

A reversed-phase separation technique was developed in a previous study (Loegel et al., 2012) and successfully applied to the de-asphalted fraction of crude oil. However, to the best of our knowledge, the molecular-level characterization of oil fractions obtained by reversed-phase high-performance liquid chromatography (HPLC) coupled with high-resolution mass spectrometry (MS) has not yet been reported. A detailed characterization of the oil fractions prepared by reversed-phase HPLC was performed in this study. HPLC fractionation was carried out on conventional crude oil and an oil shale pyrolysate. The analyses of the fractions showed that the carbon number of alkyl chains and the double bond equivalent (DBE) value were the major factors determining elution order. The compounds with larger DBE (presumably more condensed aromatic structures) and smaller carbon number (presumably compounds with short side chains) were eluted earlier but those compounds with lower DBE values (presumably less aromatic structures) and higher carbon number (presumably compounds with longer alkyl chains) eluted later in the chromatograms. This separation behavior is in good agreement with that expected from the principles of reversed-phase separation. The data presented in this study show that reversed-phase chromatography is effective in separating crude oil compounds and can be combined with ultrahigh-resolution MS data to better understand natural oils and oil shale pyrolysates.

","language":"English","publisher":"Elsevier","publisherLocation":"London, England","doi":"10.1016/j.fuel.2014.10.019","usgsCitation":"Sim, A., Cho, Y., Kim, D., Witt, M., Birdwell, J.E., Kim, B., and Kim, S., 2014, Molecular-level characterization of crude oil compounds combining reversed-phase high-performance liquid chromatography with off-line high-resolution mass spectrometry: Fuel, v. 140, no. 15, p. 717-723, https://doi.org/10.1016/j.fuel.2014.10.019.","productDescription":"7 p.","startPage":"717","endPage":"723","numberOfPages":"7","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-057008","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":296514,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":296483,"type":{"id":15,"text":"Index Page"},"url":"https://dx.doi.org/10.1016/j.fuel.2014.10.019"}],"volume":"140","issue":"15","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"54882b58e4b02acb4f0c8c3f","contributors":{"authors":[{"text":"Sim, Arum","contributorId":127784,"corporation":false,"usgs":false,"family":"Sim","given":"Arum","email":"","affiliations":[{"id":7153,"text":"Kyungpook National University, Department of Chemistry, Daegu, South Korea","active":true,"usgs":false}],"preferred":false,"id":526742,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cho, Yunju","contributorId":127785,"corporation":false,"usgs":false,"family":"Cho","given":"Yunju","email":"","affiliations":[{"id":7153,"text":"Kyungpook National University, Department of Chemistry, Daegu, South Korea","active":true,"usgs":false}],"preferred":false,"id":526743,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kim, Daae","contributorId":127786,"corporation":false,"usgs":false,"family":"Kim","given":"Daae","email":"","affiliations":[{"id":7153,"text":"Kyungpook National University, Department of Chemistry, Daegu, South Korea","active":true,"usgs":false}],"preferred":false,"id":526744,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Witt, Matthias","contributorId":41719,"corporation":false,"usgs":true,"family":"Witt","given":"Matthias","email":"","affiliations":[],"preferred":false,"id":526745,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Birdwell, Justin E. 0000-0001-8263-1452 jbirdwell@usgs.gov","orcid":"https://orcid.org/0000-0001-8263-1452","contributorId":3302,"corporation":false,"usgs":true,"family":"Birdwell","given":"Justin","email":"jbirdwell@usgs.gov","middleInitial":"E.","affiliations":[{"id":255,"text":"Energy Resources Program","active":true,"usgs":true},{"id":569,"text":"Southwest Climate Science Center","active":true,"usgs":true},{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":526741,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Kim, Byung Ju","contributorId":127787,"corporation":false,"usgs":false,"family":"Kim","given":"Byung Ju","affiliations":[{"id":7154,"text":"Korea Research Institute of Standards and Science, Division of Organic Analysis, Daejeon, South Korea","active":true,"usgs":false}],"preferred":false,"id":526746,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Kim, Sunghwan","contributorId":108376,"corporation":false,"usgs":true,"family":"Kim","given":"Sunghwan","affiliations":[],"preferred":false,"id":526747,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ]}