Submarine ground‐water discharge (SGD) contributes important solute fluxes to coastal waters. Pollutants are transported to coastal ecosystems by SGD at spatially and temporally variable rates. New approaches are needed to characterize the effects of storm‐event, tidal, and seasonal forcing on SGD. Here, we evaluate the utility of two geophysical methods‐fiber‐optic distributed temperature sensing (FO‐DTS) and marine electrical resistivity (MER)—for observing the spatial and temporal variations in SGD and the configuration of the freshwater/saltwater interface within submarine sediments. FO‐DTS and MER cables were permanently installed into the estuary floor on a transect extending 50 meters offshore under Waquoit Bay, Massachusetts, at the Waquoit Bay National Estuarine Research Reserve, and nearly continuous data were collected for 4 weeks in summer 2007. Initial results indicate that the methods are extremely useful for monitoring changes in the complex estuarine environment. The FO‐DTS produced time‐series data at approximately 1‐meter increments along the length of the fiber at approximately 29‐second intervals. The temperature time‐series data show that the temperature at near‐shore locations appears to be dominated by a semi‐diurnal (tidal) signal, whereas the temperature at off‐shore locations is dominated by a diurnal signal (day/night heating and cooling). Dipole‐dipole MER surveys were completed about every 50 minutes, allowing for production of high‐resolution time‐lapse tomograms, which provide insight into the variations of the subsurface freshwater/saltwater interface. Preliminary results from the MER data show a high‐resistivity zone near the shore at low tide, indicative of SGD, and consistent with the FO‐DTS results.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Symposium on the Application of Geophysics to Engineering and Environmental Problems 2008","largerWorkSubtype":{"id":12,"text":"Conference publication"},"language":"English","publisher":"Society of Exploration Geophysicists","doi":"10.4133/1.2963319","usgsCitation":"Henderson, R., Day-Lewis, F.D., Lane, J.W., Harvey, C.F., and Liu, L., 2008, Characterizing submarine ground‐water discharge using fiber‐optic distributed temperature sensing and marine electrical resistivity, in Symposium on the Application of Geophysics to Engineering and Environmental Problems 2008, p. 775-785, https://doi.org/10.4133/1.2963319.","productDescription":"11 p.","startPage":"775","endPage":"785","ipdsId":"IP-003962","costCenters":[{"id":486,"text":"OGW Branch of Geophysics","active":true,"usgs":true},{"id":493,"text":"Office of Ground Water","active":true,"usgs":true}],"links":[{"id":476701,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.495.9270","text":"External Repository"},{"id":350802,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"publishingServiceCenter":{"id":11,"text":"Pembroke PSC"},"noUsgsAuthors":false,"publicationDate":"2008-09-30","publicationStatus":"PW","scienceBaseUri":"5a719271e4b0a9a2e9dbde30","contributors":{"authors":[{"text":"Henderson, Rory rhenders@usgs.gov","contributorId":2083,"corporation":false,"usgs":true,"family":"Henderson","given":"Rory","email":"rhenders@usgs.gov","affiliations":[{"id":486,"text":"OGW Branch of Geophysics","active":true,"usgs":true}],"preferred":false,"id":720341,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Day-Lewis, Frederick D. 0000-0003-3526-886X daylewis@usgs.gov","orcid":"https://orcid.org/0000-0003-3526-886X","contributorId":1672,"corporation":false,"usgs":true,"family":"Day-Lewis","given":"Frederick","email":"daylewis@usgs.gov","middleInitial":"D.","affiliations":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":486,"text":"OGW Branch of Geophysics","active":true,"usgs":true},{"id":493,"text":"Office of Ground Water","active":true,"usgs":true}],"preferred":true,"id":720339,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lane, John W. Jr. 0000-0002-3558-243X jwlane@usgs.gov","orcid":"https://orcid.org/0000-0002-3558-243X","contributorId":189168,"corporation":false,"usgs":true,"family":"Lane","given":"John","suffix":"Jr.","email":"jwlane@usgs.gov","middleInitial":"W.","affiliations":[{"id":486,"text":"OGW Branch of Geophysics","active":true,"usgs":true},{"id":493,"text":"Office of Ground Water","active":true,"usgs":true}],"preferred":false,"id":720340,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Harvey, Charles F.","contributorId":199836,"corporation":false,"usgs":false,"family":"Harvey","given":"Charles","email":"","middleInitial":"F.","affiliations":[{"id":12444,"text":"Massachusetts Institute of Technology","active":true,"usgs":false}],"preferred":false,"id":720342,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Liu, Lanbo","contributorId":199850,"corporation":false,"usgs":false,"family":"Liu","given":"Lanbo","email":"","affiliations":[{"id":6619,"text":"University of Connecticutt","active":true,"usgs":false}],"preferred":false,"id":720343,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70193771,"text":"70193771 - 2008 - Estimation of bedrock depth using the horizontal‐to‐vertical (H/V) ambient‐noise seismic method","interactions":[],"lastModifiedDate":"2019-10-21T12:15:27","indexId":"70193771","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Estimation of bedrock depth using the horizontal‐to‐vertical (H/V) ambient‐noise seismic method","docAbstract":"Estimating sediment thickness and the geometry of the bedrock surface is a key component of many hydrogeologic studies. The horizontal‐to‐vertical (H/V) ambient‐noise seismic method is a novel, non‐invasive technique that can be used to rapidly estimate the depth to bedrock. The H/V method uses a single, broad‐band three‐component seismometer to record ambient seismic noise. The ratio of the averaged horizontal‐to‐vertical frequency spectrum is used to determine the fundamental site resonance frequency, which can be interpreted using regression equations to estimate sediment thickness and depth to bedrock. The U.S. Geological Survey used the H/V seismic method during fall 2007 at 11 sites in Cape Cod, Massachusetts, and 13 sites in eastern Nebraska. In Cape Cod, H/V measurements were acquired along a 60‐kilometer (km) transect between Chatham and Provincetown, where glacial sediments overlie metamorphic rock. In Nebraska, H/V measurements were acquired along approximately 11‐ and 14‐km transects near Firth and Oakland, respectively, where glacial sediments overlie weathered sedimentary rock. The ambient‐noise seismic data from Cape Cod produced clear, easily identified resonance frequency peaks. The interpreted depth and geometry of the bedrock surface correlate well with boring data and previously published seismic refraction surveys. Conversely, the ambient‐noise seismic data from eastern Nebraska produced subtle resonance frequency peaks, and correlation of the interpreted bedrock surface with bedrock depths from borings is poor, which may indicate a low acoustic impedance contrast between the weathered sedimentary rock and overlying sediments and/or the effect of wind noise on the seismic records. Our results indicate the H/V ambient‐noise seismic method can be used effectively to estimate the depth to rock where there is a significant acoustic impedance contrast between the sediments and underlying rock. However, effective use of the method is challenging in the presence of gradational contacts such as gradational weathering or cementation. Further work is needed to optimize interpretation of resonance frequencies in the presence of extreme wind noise. In addition, local estimates of bedrock depth likely could be improved through development of regional or study‐area‐specific regression equations relating resonance frequency to bedrock depth.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Symposium on the Application of Geophysics to Engineering and Environmental Problems 2008","largerWorkSubtype":{"id":12,"text":"Conference publication"},"language":"English","publisher":"Society of Exploration Geophysicists","doi":"10.4133/1.2963289","usgsCitation":"Lane, J.W., White, E.A., Steele, G.V., and Cannia, J.C., 2008, Estimation of bedrock depth using the horizontal‐to‐vertical (H/V) ambient‐noise seismic method, in Symposium on the Application of Geophysics to Engineering and Environmental Problems 2008, p. 490-502, https://doi.org/10.4133/1.2963289.","productDescription":"13 p.","startPage":"490","endPage":"502","ipdsId":"IP-003887","costCenters":[{"id":486,"text":"OGW Branch of Geophysics","active":true,"usgs":true},{"id":493,"text":"Office of Ground Water","active":true,"usgs":true}],"links":[{"id":350806,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"publishingServiceCenter":{"id":11,"text":"Pembroke PSC"},"noUsgsAuthors":false,"publicationDate":"2008-09-30","publicationStatus":"PW","scienceBaseUri":"5a719272e4b0a9a2e9dbde33","contributors":{"authors":[{"text":"Lane, John W. Jr. 0000-0002-3558-243X jwlane@usgs.gov","orcid":"https://orcid.org/0000-0002-3558-243X","contributorId":189168,"corporation":false,"usgs":true,"family":"Lane","given":"John","suffix":"Jr.","email":"jwlane@usgs.gov","middleInitial":"W.","affiliations":[{"id":486,"text":"OGW Branch of Geophysics","active":true,"usgs":true},{"id":493,"text":"Office of Ground Water","active":true,"usgs":true}],"preferred":false,"id":720338,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"White, Eric A. 0000-0002-7782-146X eawhite@usgs.gov","orcid":"https://orcid.org/0000-0002-7782-146X","contributorId":1737,"corporation":false,"usgs":false,"family":"White","given":"Eric","email":"eawhite@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":720335,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Steele, Gregory V. gvsteele@usgs.gov","contributorId":783,"corporation":false,"usgs":true,"family":"Steele","given":"Gregory","email":"gvsteele@usgs.gov","middleInitial":"V.","affiliations":[{"id":464,"text":"Nebraska Water Science Center","active":true,"usgs":true}],"preferred":true,"id":720336,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Cannia, James C.","contributorId":94356,"corporation":false,"usgs":true,"family":"Cannia","given":"James","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":720337,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70193770,"text":"70193770 - 2008 - Levee evaluation using MASW: Preliminary findings from the Citrus Lakefront Levee, New Orleans, Louisiana","interactions":[],"lastModifiedDate":"2019-10-21T11:54:01","indexId":"70193770","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Levee evaluation using MASW: Preliminary findings from the Citrus Lakefront Levee, New Orleans, Louisiana","docAbstract":"The utility of the multi‐channel analysis of surface waves (MASW) seismic method for non‐invasive assessment of earthen levees was evaluated for a section of the Citrus Lakefront Levee, New Orleans, Louisiana. This test was conducted after the New Orleans' area levee system had been stressed by Hurricane Katrina in 2005. The MASW data were acquired in a seismically noisy, urban environment using an accelerated weight‐drop seismic source and a towed seismic land streamer. Much of the seismic data were contaminated with higher‐order mode guided‐waves, requiring application of muting filtering techniques to improve interpretability of the dispersion curves. Comparison of shear‐wave velocity sections with boring logs suggests the existence of four distinct horizontal layers within and beneath the levee: (1) the levee core, (2) the levee basal layer of fat clay, (3) a sublevel layer of silty sand, and (4) underlying Pleistocene deposits of sandy lean clay. Along the surveyed section of levee, lateral variations in shear‐wave velocity are interpreted as changes in material rigidity, suggestive of construction or geologic heterogeneity, or possibly, that dynamic processes (such as differential settlement) are affecting discrete levee areas. The results of this study suggest that the MASW method is a geophysical tool with significant potential for non‐invasive characterization of vertical and horizontal variations in levee material shear strength. Additional work, however, is needed to fully understand and address the complex seismic wave propagation in levee structures.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkSubtype":{"id":12,"text":"Conference publication"},"language":"English","publisher":"Society of Exploration Geophysicists","publisherLocation":"Symposium on the Application of Geophysics to Engineering and Environmental Problems 2008","doi":"10.4133/1.2963312","usgsCitation":"Lane, J.W., Ivanov, J.M., Day-Lewis, F.D., Clemens, D., Patev, R., and Miller, R.D., 2008, Levee evaluation using MASW: Preliminary findings from the Citrus Lakefront Levee, New Orleans, Louisiana, p. 703-712, https://doi.org/10.4133/1.2963312.","productDescription":"10 p.","startPage":"703","endPage":"712","ipdsId":"IP-003947","costCenters":[{"id":486,"text":"OGW Branch of Geophysics","active":true,"usgs":true},{"id":493,"text":"Office of Ground Water","active":true,"usgs":true}],"links":[{"id":350804,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Louisiana","city":"New Orleans","otherGeospatial":"Citrus Lakefront Levee","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -90.2801513671875,\n 29.864465259258\n ],\n [\n -89.93682861328125,\n 29.864465259258\n ],\n [\n -89.93682861328125,\n 30.0405664305846\n ],\n [\n -90.2801513671875,\n 30.0405664305846\n ],\n [\n -90.2801513671875,\n 29.864465259258\n ]\n ]\n ]\n }\n }\n ]\n}","publishingServiceCenter":{"id":11,"text":"Pembroke PSC"},"noUsgsAuthors":false,"publicationDate":"2008-09-30","publicationStatus":"PW","scienceBaseUri":"5a719272e4b0a9a2e9dbde36","contributors":{"authors":[{"text":"Lane, John W. Jr. 0000-0002-3558-243X jwlane@usgs.gov","orcid":"https://orcid.org/0000-0002-3558-243X","contributorId":189168,"corporation":false,"usgs":true,"family":"Lane","given":"John","suffix":"Jr.","email":"jwlane@usgs.gov","middleInitial":"W.","affiliations":[{"id":493,"text":"Office of Ground Water","active":true,"usgs":true},{"id":486,"text":"OGW Branch of Geophysics","active":true,"usgs":true}],"preferred":false,"id":720330,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ivanov, Julian M.","contributorId":80844,"corporation":false,"usgs":true,"family":"Ivanov","given":"Julian","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":720332,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Day-Lewis, Frederick D. 0000-0003-3526-886X daylewis@usgs.gov","orcid":"https://orcid.org/0000-0003-3526-886X","contributorId":1672,"corporation":false,"usgs":true,"family":"Day-Lewis","given":"Frederick","email":"daylewis@usgs.gov","middleInitial":"D.","affiliations":[{"id":486,"text":"OGW Branch of Geophysics","active":true,"usgs":true},{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":493,"text":"Office of Ground Water","active":true,"usgs":true}],"preferred":true,"id":720329,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Clemens, Drew","contributorId":199902,"corporation":false,"usgs":false,"family":"Clemens","given":"Drew","email":"","affiliations":[],"preferred":false,"id":720331,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Patev, Robert","contributorId":199912,"corporation":false,"usgs":false,"family":"Patev","given":"Robert","email":"","affiliations":[],"preferred":false,"id":720334,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Miller, Richard D.","contributorId":56406,"corporation":false,"usgs":false,"family":"Miller","given":"Richard","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":720333,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70196017,"text":"70196017 - 2008 - Application of RHIZON samplers to obtain high-resolution pore-fluid records during geochemical investigations of gas hydrate systems","interactions":[],"lastModifiedDate":"2018-03-13T15:14:34","indexId":"70196017","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1641,"text":"Fire in the Ice: NETL Methane Hydrate Newsletter","active":true,"publicationSubtype":{"id":10}},"title":"Application of RHIZON samplers to obtain high-resolution pore-fluid records during geochemical investigations of gas hydrate systems","docAbstract":"Obtaining accurate, high-resolution profiles of pore fluid constituents is critical for characterizing the subsurface geochemistry of hydrate-bearing sediments. Tightly-constrained downcore profiles provide clues about fluid sources, fluid flow, and the milieu of chemical and diagenetic reactions, all of which are used to interpret where and why gas and gas hydrate occur in the natural environment. Because a profile’s quality is only as good as the samples from which the data are obtained, a great deal of effort has been exerted to develop extraction systems suited to various sedimentary regimes. Pore water from deeply buried sediment recovered by scientific drilling is typically squeezed with a hydraulic press (Manheim, 1966); whereas pore water in near-surface, less consolidated sediment is more efficiently pushed from the sediment using compressed gas (Reeburgh, 1967) or centrifugation.
","language":"English","publisher":"U.S. Department of Energy","usgsCitation":"Pohlman, J., Riedel, M., Waite, W., Rose, K., and Lapham, L., 2008, Application of RHIZON samplers to obtain high-resolution pore-fluid records during geochemical investigations of gas hydrate systems: Fire in the Ice: NETL Methane Hydrate Newsletter, v. 8, no. 4, p. 16-17.","productDescription":"2 p.","startPage":"16","endPage":"17","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":352458,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":352456,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://www.netl.doe.gov/File%20Library/Research/Oil-Gas/methane%20hydrates/HMNewsFall08.pdf#page=16","linkFileType":{"id":1,"text":"pdf"}},{"id":352457,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.netl.doe.gov/research/oil-and-gas/methane-hydrates/fire-in-the-ice"}],"volume":"8","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5afefd6be4b0da30c1bfcafc","contributors":{"authors":[{"text":"Pohlman, John W. jpohlman@usgs.gov","contributorId":3307,"corporation":false,"usgs":true,"family":"Pohlman","given":"John W.","email":"jpohlman@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":730927,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Riedel, M","contributorId":200386,"corporation":false,"usgs":false,"family":"Riedel","given":"M","affiliations":[],"preferred":false,"id":730928,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Waite, William F. 0000-0002-9436-4109 wwaite@usgs.gov","orcid":"https://orcid.org/0000-0002-9436-4109","contributorId":625,"corporation":false,"usgs":true,"family":"Waite","given":"William F.","email":"wwaite@usgs.gov","affiliations":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":730929,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Rose, K.","contributorId":43594,"corporation":false,"usgs":true,"family":"Rose","given":"K.","email":"","affiliations":[],"preferred":false,"id":730930,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Lapham, L.","contributorId":189178,"corporation":false,"usgs":false,"family":"Lapham","given":"L.","affiliations":[],"preferred":false,"id":730931,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70193201,"text":"70193201 - 2008 - The desperate dozen: Fishes on the brink","interactions":[],"lastModifiedDate":"2017-11-15T15:17:13","indexId":"70193201","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":9,"text":"Other Report"},"title":"The desperate dozen: Fishes on the brink","docAbstract":"IT IS NO SECRET THAT OUR NATIVE AQUATIC ANIMALS ARE IN DECLINE. There are currently 582 species of animals on the Federal list of endangered and threatened species, 268 of these (46%) are found in freshwater habitats. Of the amazing assemblage of 675 fishes found in southeastern waters, more than a quarter are considered imperiled. While all of the Earth’s ecosystems are in trouble, freshwater habitats are recognized to be at severe risk because of their scarcity and the high demands placed on them by humans. The combined effects of agriculture, damming, dredging, construction, logging, overharvest, and pollution are destroying this critical resource for animals, plants, and even ourselves. This major conservation crisis calls for immediate action to conserve and protect the remaining populations and their habitats. The Southeastern Fishes Council (SFC), a nonprofit scientific organization dedicated to the study and conservation of freshwater and coastal fishes of the southeastern United States, is one of the many organizations attempting to reverse the decline of our southeast aquatic habitats and their rich biodiversity.
One of the most important steps in conservation is prioritization. The SFC sought to determine where conservation actions would have the largest impact on preventing loss of our freshwater diversity. We decided to focus our efforts on the Desperate Dozen, the 12 fish species we identified as most likely to become extinct in the Southeast. We chose this list in order to reverse their precipitous decline and assist in putting them on the path to recovery. These twelve species are not currently economically important to humans, and their extinction could easily go unnoticed by all but conservation biologists and ichthyologists. Even so, their conservation matters. These species are the canaries in the coal mine, alerting us to the problem that something is very, very wrong in our backyards. Fishes that were once widespread in larger rivers, such as the diamond darter, are now suffering from the same water quality issues that cause harm to humans. Fishes that were once used for commercial gain, such as the Alabama sturgeon, are now too rare for harvest. We have ignored our freshwater to the point where we no longer remember that rivers used to be more common than reservoirs in the Southeast, and our diversity was a resource worth protecting.
It is SFC’s goal to use this list to raise awareness of the plight of our freshwater habitats in the Southeast, which include rivers, creeks, wetlands, springs, and caves. The current crisis requires education, communication, and coordination among our neighbors. We have to learn how to prevent harm to our watersheds and develop new collaborations between private and public entities to promote wise development. By highlighting these twelve species, ranging from the spring pygmy sunfish to the Alabama sturgeon, we hope to encourage these partnerships to address the needs of our freshwater animals and hopefully prevent them from slipping quietly into extinction.
SFC created a list of the most imperiled southeastern fishes by considering species with the highest risk of extinction. Criteria used, in order of importance, was distribution (a single population ranked highest), low abundance, and severity of threats. After the ranking based on level of imperilment, species were arranged in phylogenetic order so that all would receive equal attention. Experts on each species provided brief accounts on the Desperate Dozen, which include background, distribution, abundance, threats, and proposed conservation actions. The U.S. Fish and Wildlife Service (USFWS) was not consulted in SFC’s identification of the Desperate Dozen fishes, as we intentionally chose to work as an independent scientific panel under the criteria stated above.
","language":"English","publisher":"Southeastern Fishes Council","usgsCitation":"Welsh, S., 2008, The desperate dozen: Fishes on the brink, 21 p.","productDescription":"21 p.","ipdsId":"IP-010766","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":348926,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":348925,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.sefishescouncil.org/SFCDesDoz.php"}],"publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a610f8ee4b06e28e9c257e3","contributors":{"authors":[{"text":"Welsh, Stuart A. 0000-0003-0362-054X swelsh@usgs.gov","orcid":"https://orcid.org/0000-0003-0362-054X","contributorId":152088,"corporation":false,"usgs":true,"family":"Welsh","given":"Stuart A.","email":"swelsh@usgs.gov","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":false,"id":718160,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70191954,"text":"70191954 - 2008 - Instream flow assessment of streams draining the Arbuckle-Simpson Aquifer","interactions":[],"lastModifiedDate":"2018-01-25T14:38:19","indexId":"70191954","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":9,"text":"Other Report"},"title":"Instream flow assessment of streams draining the Arbuckle-Simpson Aquifer","docAbstract":"The availability of high quality water is critical to both humans and ecosystems. A recent proposal was made by rapidly expanding municipalities in central Oklahoma to begin transferring groundwater from the Arbuckle-Simpson aquifer, a sensitive sole-source aquifer in south-central Oklahoma. Concerned citizens and municipalities living on and getting their drinking water from the Arbuckle-Simpson lobbied the legislature to pass a temporary moratorium on groundwater transfer to allow for a comprehensive study of the aquifer and its ecosystems. We conducted an instream flow assessment using Physical Habitat Simulation (PHABSIM) on springs and streams with four spring-dependent species: two minnows, southern redbelly dace (Phoxinus erthyrogaster) and redspot chub (Nocomis asper); and two darters, least darter (Etheostoma microperca) and orangethroat darter (Etheostoma spectabile). Spring habitats are unique compared to other river habitats because they have constant flow and temperature, small and isolated habitat patches, and a general lack of predators.
Our study sites included two spring-fed streams, one larger stream with high groundwater inputs, and a river with both groundwater and surface water inputs that is adjacent to the small spring-fed streams. These habitats meet the criteria for groundwater dependent ecosystems because they would not exist without the surface expression of groundwater. A total of 99 transects in all four sites were surveyed for channel elevation, and three sets of water surface elevation and water velocity were measured. Habitat suitability criteria were derived for the species at each site using nonparametric confidence limits based on underwater observations made by snorkelers. Simulations of flow were focused on declines in discharge, which is the expected effect of the proposed groundwater diversion.
Our results show that only a small proportion of the total available area in each habitat is considered to be preferred habitat (Weighted Usable Area [WUA]) by the four target species. In the spring habitats, a maximum of 10% of the total area is preferred habitat and that dropped to as little as 3% with decreased flows. The quantity of WUA decreased when lower discharges were simulated for all the target species. Declines in the small amount of habitat that is already available would likely degrade these populations of fishes. In the larger river habitat, the highest WUA occurred at the lowest discharge, which leads us to conclude that in the event of dewatering of the spring habitats, the river should provide some refuge habitat for spring dependent species.
Based on the findings of this study, groundwater removal from the aquifer near springs may have adverse impacts on fish habitat availability for spring dependent fish populations if seasonal trends in spring discharge are not maintained (higher in winter and lower in late summer). Quantifying the relationship of streamflow between gaged and ungaged springs in the Arbuckle-Simpson is a possible method to monitor and maintain flows in springs.
","language":"English","usgsCitation":"Seilheimer, T.S., and Fisher, W.L., 2008, Instream flow assessment of streams draining the Arbuckle-Simpson Aquifer, 49 p.","productDescription":"49 p.","ipdsId":"IP-009159","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":350624,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":350623,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://www.owrb.ok.gov/studies/groundwater/arbuckle_simpson/pdf/Arbuckle-SimpsonInstreamFlow.pdf"}],"publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a6afacae4b06e28e9c9a92a","contributors":{"authors":[{"text":"Seilheimer, Titus S.","contributorId":50772,"corporation":false,"usgs":true,"family":"Seilheimer","given":"Titus","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":725828,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Fisher, William L. wfisher@usgs.gov","contributorId":1229,"corporation":false,"usgs":true,"family":"Fisher","given":"William","email":"wfisher@usgs.gov","middleInitial":"L.","affiliations":[],"preferred":true,"id":713778,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70193186,"text":"70193186 - 2008 - Microhabitat use by brook trout inhabiting small tributaries and a large river main stem: Implications for stream habitat restoration in the central Appalachians","interactions":[],"lastModifiedDate":"2017-12-01T10:24:31","indexId":"70193186","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3896,"text":"Proceedings of the Southeastern Association of Fish and Wildlife Agencies","active":true,"publicationSubtype":{"id":10}},"title":"Microhabitat use by brook trout inhabiting small tributaries and a large river main stem: Implications for stream habitat restoration in the central Appalachians","docAbstract":"Brook trout (Salvelinus fontinalis) habitat restoration is needed across a range of stream sizes; however, studies quantifying brook trout habitat preferences in streams of differing sizes are rare. We used radio-telemetry to quantify adult brook trout microhabitat use in a central Appalachian watershed, the upper Shavers Fork of the Cheat River in eastern West Virginia. Our objectives were to: 1) quantify non-random microhabitat use by adult brook trout in the Shavers Fork main stem (drainage area = 32 km2) and an adjacent tributary, Rocky Run (drainage area = 7 km2); and 2) construct stream-specific habitat suitability curves (HSCs) for four important microhabitat variables (depth, average current velocity, maximum current velocity within one meter, and distance to cover). Brook trout used a subset of available microhabitats in both the main stem and Rocky Run: trout tended to occupy microhabitats that were deeper, higher velocity, and closer to cover than expected by chance alone. Although specific microhabitat values differed between the main stem and tributary populations, the overall patterns in brook trout microhabitat use were consistent regardless of stream size. Habitat suitability curves were constructed based on brook trout microhabitat use and will be used to design and monitor the effectiveness of future habitat restoration efforts in the Shavers Fork watershed. Our results suggest that habitat enhancement projects that increase the availability of deep, high velocity microhabitats adjacent to cover would benefit brook trout in both small tributaries and larger river main stems.
","language":"English","publisher":"Southeastern Association of Fish and Wildlife Agencies","usgsCitation":"Hansbarger, J.L., Petty, J.T., and Mazik, P.M., 2008, Microhabitat use by brook trout inhabiting small tributaries and a large river main stem: Implications for stream habitat restoration in the central Appalachians: Proceedings of the Southeastern Association of Fish and Wildlife Agencies, v. 62, p. 142-148.","productDescription":"7 p.","startPage":"142","endPage":"148","ipdsId":"IP-008641","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":349616,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":347786,"type":{"id":15,"text":"Index Page"},"url":"https://www.seafwa.org/publications/proceedings/?id=61197"}],"volume":"62","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a610f8ee4b06e28e9c257e5","contributors":{"authors":[{"text":"Hansbarger, Jeff L.","contributorId":166750,"corporation":false,"usgs":false,"family":"Hansbarger","given":"Jeff","email":"","middleInitial":"L.","affiliations":[{"id":24498,"text":"West Virginia Division of Natural Resources, Point Pleasant, WV","active":true,"usgs":false}],"preferred":false,"id":724248,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Petty, J. Todd","contributorId":166749,"corporation":false,"usgs":false,"family":"Petty","given":"J.","email":"","middleInitial":"Todd","affiliations":[{"id":24497,"text":"West Virginia University, Morgantown, WV","active":true,"usgs":false}],"preferred":false,"id":724249,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mazik, Patricia M. 0000-0002-8046-5929 pmazik@usgs.gov","orcid":"https://orcid.org/0000-0002-8046-5929","contributorId":2318,"corporation":false,"usgs":true,"family":"Mazik","given":"Patricia","email":"pmazik@usgs.gov","middleInitial":"M.","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":718141,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70193745,"text":"70193745 - 2008 - Fiber‐optic distributed temperature sensing: A new tool for assessment and monitoring of hydrologic processes","interactions":[],"lastModifiedDate":"2019-10-21T11:48:24","indexId":"70193745","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Fiber‐optic distributed temperature sensing: A new tool for assessment and monitoring of hydrologic processes","docAbstract":"Fiber‐optic distributed temperature sensing (FO DTS) is an emerging technology for characterizing and monitoring a wide range of important earth processes. FO DTS utilizes laser light to measure temperature along the entire length of standard telecommunications optical fibers. The technology can measure temperature every meter over FO cables up to 30 kilometers (km) long. Commercially available systems can measure fiber temperature as often as 4 times per minute, with thermal precision ranging from 0.1 to 0.01 °C depending on measurement integration time. In 2006, the U.S. Geological Survey initiated a project to demonstrate and evaluate DTS as a technology to support hydrologic studies. This paper demonstrates the potential of the technology to assess and monitor hydrologic processes through case‐study examples of FO DTS monitoring of stream‐aquifer interaction on the Shenandoah River near Locke's Mill, Virginia, and on Fish Creek, near Jackson Hole, Wyoming, and estuary‐aquifer interaction on Waquoit Bay, Falmouth, Massachusetts. The ability to continuously observe temperature over large spatial scales with high spatial and temporal resolution provides a new opportunity to observe and monitor a wide range of hydrologic processes with application to other disciplines including hazards, climate‐change, and ecosystem monitoring.
Owing to anthropogenic emissions, atmospheric concentrations of carbon dioxide could almost double between 2006 and 2100 according to business-as-usual carbon dioxide emission scenarios1. Because the ocean absorbs carbon dioxide from the atmosphere2, 3, 4, increasing atmospheric carbon dioxide concentrations will lead to increasing dissolved inorganic carbon and carbon dioxide in surface ocean waters, and hence acidification and lower carbonate saturation states2, 5. As a consequence, it has been suggested that marine calcifying organisms, for example corals, coralline algae, molluscs and foraminifera, will have difficulties producing their skeletons and shells at current rates6, 7, with potentially severe implications for marine ecosystems, including coral reefs6, 8, 9, 10, 11. Here we report a seven-week experiment exploring the effects of ocean acidification on crustose coralline algae, a cosmopolitan group of calcifying algae that is ecologically important in most shallow-water habitats12, 13, 14. Six outdoor mesocosms were continuously supplied with sea water from the adjacent reef and manipulated to simulate conditions of either ambient or elevated seawater carbon dioxide concentrations. The recruitment rate and growth of crustose coralline algae were severely inhibited in the elevated carbon dioxide mesocosms. Our findings suggest that ocean acidification due to human activities could cause significant change to benthic community structure in shallow-warm-water carbonate ecosystems.
","language":"English","publisher":"Nature Publishing Group","doi":"10.1038/ngeo100","usgsCitation":"Kuffner, I.B., Andersson, A.J., Jokiel, P.L., Rodgers, K., and Mackenzie, F.T., 2008, Decreased abundance of crustose coralline algae due to ocean acidification: Nature Geoscience, v. 1, p. 114-117, https://doi.org/10.1038/ngeo100.","productDescription":"4 p.","startPage":"114","endPage":"117","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":566,"text":"Southeast Ecological Science Center","active":true,"usgs":true}],"links":[{"id":312226,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"1","noUsgsAuthors":false,"publicationDate":"2007-12-23","publicationStatus":"PW","scienceBaseUri":"566ff647e4b09cfe53ca797e","contributors":{"authors":[{"text":"Kuffner, Ilsa B. 0000-0001-8804-7847 ikuffner@usgs.gov","orcid":"https://orcid.org/0000-0001-8804-7847","contributorId":3105,"corporation":false,"usgs":true,"family":"Kuffner","given":"Ilsa","email":"ikuffner@usgs.gov","middleInitial":"B.","affiliations":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":582045,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Andersson, Andreas J","contributorId":141142,"corporation":false,"usgs":false,"family":"Andersson","given":"Andreas","email":"","middleInitial":"J","affiliations":[{"id":12888,"text":"Scripps Institution of Oceanography, Univ of California","active":true,"usgs":false}],"preferred":false,"id":582046,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jokiel, Paul L.","contributorId":131043,"corporation":false,"usgs":false,"family":"Jokiel","given":"Paul","email":"","middleInitial":"L.","affiliations":[{"id":7212,"text":"University of Hawai‘i, Hawai‘i Institute of Marine Biology","active":true,"usgs":false}],"preferred":false,"id":582047,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Rodgers, Ku'ulei S.","contributorId":131044,"corporation":false,"usgs":false,"family":"Rodgers","given":"Ku'ulei S.","affiliations":[{"id":7212,"text":"University of Hawai‘i, Hawai‘i Institute of Marine Biology","active":true,"usgs":false}],"preferred":false,"id":582048,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Mackenzie, Fred T.","contributorId":60090,"corporation":false,"usgs":true,"family":"Mackenzie","given":"Fred","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":582049,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70179801,"text":"70179801 - 2008 - Rivers and streams: Ecosystem dynamics and integrating paradigms","interactions":[],"lastModifiedDate":"2017-02-16T15:18:01","indexId":"70179801","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Rivers and streams: Ecosystem dynamics and integrating paradigms","docAbstract":"Full understanding of running waters requires an ecosystem perspective, which encompasses the physical and chemical setting in interaction with dependent biological communities. Several conceptual models or paradigms of river and stream ecosystems that capture critical components of lotic ecosystems have been developed, including the ‘river continuum concept’, to describe fluxes of matter and energy within the stream or river channel together with exchanges between the channel and its terrestrial setting. A complete ecosystem perspective includes consideration of hierarchical spatial scales in a temporal context. Flow of energy in lotic ecosystems is driven by two alternative energy sources: sunlight regulating in-stream photosynthesis and plant litter derived from the stream-side riparian corridor or floodplain. Energy transfers within the ecosystem pass through micro- and macroproducers (algae and vascular hydrophytes) and micro- and macroconsumers (microorganisms, invertebrates, and vertebrates). Material fluxes encompass the cycling of key nutrients, such as nitrogen and phosphorus, and the transport, storage, and metabolism of dissolved (DOM) and particulate (POM) organic matter (OM). Growth of lotic periphyton (algae and associated microbes, microzoans, and detritus) and coarse (CPOM) and fine (FPOM) particulate organic matter constitute the food resources of nonpredaceous running-water invertebrates (e.g., shredders that consume CPOM and collectors that feed on FPOM and associated microbes of both).
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Encyclopedia of ecology","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Elsevier ","doi":"10.1016/B978-008045405-4.00354-2","usgsCitation":"Cummins, K., and Wilzbach, M., 2008, Rivers and streams: Ecosystem dynamics and integrating paradigms, chap. of Encyclopedia of ecology, p. 3084-3095, https://doi.org/10.1016/B978-008045405-4.00354-2.","productDescription":"12 p. ","startPage":"3084","endPage":"3095","ipdsId":"IP-081945","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":335785,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58a6c838e4b025c4642862b2","contributors":{"authors":[{"text":"Cummins, K.W.","contributorId":88297,"corporation":false,"usgs":true,"family":"Cummins","given":"K.W.","email":"","affiliations":[],"preferred":false,"id":669783,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wilzbach, M.A.","contributorId":181849,"corporation":false,"usgs":false,"family":"Wilzbach","given":"M.A.","email":"","affiliations":[],"preferred":false,"id":669784,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70176439,"text":"70176439 - 2008 - Development of a model to assess ground-water availability in California's Central Valley","interactions":[],"lastModifiedDate":"2016-09-14T11:46:43","indexId":"70176439","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3720,"text":"Water Resources Impact","printIssn":"1522-3175","active":true,"publicationSubtype":{"id":10}},"title":"Development of a model to assess ground-water availability in California's Central Valley","docAbstract":"No abstract available.
Changes in stream chemistry were studied for 4 years following large wildfires that burned in Glacier National Park during the summer of 2003. Burned and unburned drainages were monitored from December 2003 through August 2007 for streamflow, major constituents, nutrients, and suspended sediment following the fires. Stream-water nitrate concentrations showed the greatest response to fire, increasing up to tenfold above those in the unburned drainage just prior to the first post-fire snowmelt season. Concentrations in winter base flow remained elevated during the entire study period, whereas concentrations during the growing season returned to background levels after two snowmelt seasons. Annual export of total nitrogen from the burned drainage ranged from 1·53 to 3·23 kg ha−1 yr−1 compared with 1·01 to 1·39 kg ha−1 yr−1 from the unburned drainage and exceeded atmospheric inputs for the first two post-fire water years. Fire appeared to have minimal long-term effects on other nutrients, dissolved organic carbon, and major constituents with the exception of sulfate and chloride, which showed increased concentrations for 2 years following the fire. There was little evidence that fire affected suspended-sediment concentrations in the burned drainage. Sediment yields in subalpine streams may be less affected by fire than in lower elevation streams because of the slow release rate of water during spring snowmelt.
","language":"English","publisher":"Wiley","doi":"10.1002/hyp.7121","usgsCitation":"Mast, M.A., and Clow, D.W., 2008, Effects of 2003 wildfires on stream chemistry in Glacier National Park, Montana: Hydrological Processes, v. 22, no. 26, p. 5013-5023, https://doi.org/10.1002/hyp.7121.","productDescription":"11 p.","startPage":"5013","endPage":"5023","costCenters":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"links":[{"id":333368,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"22","issue":"26","noUsgsAuthors":false,"publicationDate":"2008-09-16","publicationStatus":"PW","scienceBaseUri":"58808d72e4b01dfadfff155d","contributors":{"authors":[{"text":"Mast, M. Alisa 0000-0001-6253-8162 mamast@usgs.gov","orcid":"https://orcid.org/0000-0001-6253-8162","contributorId":827,"corporation":false,"usgs":true,"family":"Mast","given":"M.","email":"mamast@usgs.gov","middleInitial":"Alisa","affiliations":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":true,"id":658832,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Clow, David W. 0000-0001-6183-4824 dwclow@usgs.gov","orcid":"https://orcid.org/0000-0001-6183-4824","contributorId":1671,"corporation":false,"usgs":true,"family":"Clow","given":"David","email":"dwclow@usgs.gov","middleInitial":"W.","affiliations":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":true,"id":658833,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70177111,"text":"70177111 - 2008 - At-sea distribution of satellite-tracked grey-faced petrels, Pterodroma macroptera gouldi, captured on the Ruamaahua (Aldermen) Islands, New Zealand","interactions":[],"lastModifiedDate":"2017-04-27T10:22:27","indexId":"70177111","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5214,"text":"Papers and Proceedings Royal Society of Tasmania","active":true,"publicationSubtype":{"id":10}},"title":"At-sea distribution of satellite-tracked grey-faced petrels, Pterodroma macroptera gouldi, captured on the Ruamaahua (Aldermen) Islands, New Zealand","docAbstract":"We used satellite telemetry to determine the at-sea distribution of 32 adult (non-breeders and failed breeders) Grey-faced Petrels, Pterodroma macroptera gouldi, during July-October in 2006 and 2007. Adults captured at breeding colonies on the Ruamaahua (Aldermen) Islands ranged across the southwestern Pacific Ocean and Tasman Sea between 20-49°S and 142°E and 1300 W Petrels were located almost exclusively over offshore waters> 1000 m depth. The extent oftheir distributions was similar across years, but petrels ranged farther south and west in 2006. Individuals displayed a high degree ofspatial overlap (48-620/0 among individuals) and area use revealed three general \"hotspots\" within their overall range: waters near the Ruamaahua Islands; the central Tasman Sea; and the area surrounding the Chatham Rise. In July-August 2006, most petrels congregated over the Tasman Sea, but for the same period in 2007 were predominantly associated with Chatham Rise. The home ranges of petrels tended to overlap disproportionately more than expected with the Australian Exclusive Economic Zone and less than expected with High Seas, relative to the area available in each zone, in July-August 2006. Accordingly, multiple nations are responsible for determining potential impacts resulting from fisheries bycatch and potential resource competition with Grey-faced Petrels.
","language":"English","publisher":"Royal Society of Tasmania","usgsCitation":"MacLeod, C., Adams, J., and Lyver, P., 2008, At-sea distribution of satellite-tracked grey-faced petrels, Pterodroma macroptera gouldi, captured on the Ruamaahua (Aldermen) Islands, New Zealand: Papers and Proceedings Royal Society of Tasmania, v. 142, no. 1, p. 73-88.","productDescription":"16 p.","startPage":"73","endPage":"88","ipdsId":"IP-007759","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":329740,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":329739,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://eprints.utas.edu.au/13299/"}],"volume":"142","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58088689e4b0f497e78e24eb","contributors":{"authors":[{"text":"MacLeod, Catriona","contributorId":33601,"corporation":false,"usgs":true,"family":"MacLeod","given":"Catriona","email":"","affiliations":[],"preferred":false,"id":651344,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Adams, Josh 0000-0003-3056-925X josh_adams@usgs.gov","orcid":"https://orcid.org/0000-0003-3056-925X","contributorId":2422,"corporation":false,"usgs":true,"family":"Adams","given":"Josh","email":"josh_adams@usgs.gov","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":651345,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lyver, Phil","contributorId":175506,"corporation":false,"usgs":false,"family":"Lyver","given":"Phil","affiliations":[],"preferred":false,"id":651346,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70179522,"text":"70179522 - 2008 - How temperature affects juvenile coho salmon","interactions":[],"lastModifiedDate":"2018-03-21T14:42:26","indexId":"70179522","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1496,"text":"Endangered Species Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"How temperature affects juvenile coho salmon","docAbstract":"Water temperature influences many aspects of a salmon’s life cycle, including egg development, juvenile appetite and growth, migration, and distribution. Coho salmon (Oncorhynchus kisutch), like most salmonids, need cool water for rearing, and they typically reside in a stream for a minimum of one year after hatching. Historically, coho were found throughout most of the 67-mile (108-kilometer) mainstem of Redwood Creek in Humboldt County, north coastal California. During at least the last decade, however, juvenile coho distribution in this area was limited to the last 12 miles (20 km) of the mainstem and a few large low-gradient tributaries.
","language":"English","publisher":"U.S. Fish and Wildlife Service","usgsCitation":"Madej, M.A., 2008, How temperature affects juvenile coho salmon: Endangered Species Bulletin, v. 33, no. 3, p. 38-39.","productDescription":"2 p.","startPage":"38","endPage":"39","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":332841,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":332840,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://www.fws.gov/endangered/news/pdf/bulletin_fall2008.pdf"}],"volume":"33","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"586e1832e4b0f5ce109fcb2b","contributors":{"authors":[{"text":"Madej, Mary Ann 0000-0003-2831-3773 mary_ann_madej@usgs.gov","orcid":"https://orcid.org/0000-0003-2831-3773","contributorId":40304,"corporation":false,"usgs":true,"family":"Madej","given":"Mary","email":"mary_ann_madej@usgs.gov","middleInitial":"Ann","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":657557,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70179563,"text":"70179563 - 2008 - Status of the desert tortoise in Red Rock Canyon State Park","interactions":[],"lastModifiedDate":"2017-01-04T13:51:36","indexId":"70179563","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1153,"text":"California Fish and Game","active":true,"publicationSubtype":{"id":10}},"title":"Status of the desert tortoise in Red Rock Canyon State Park","docAbstract":"We surveyed for desert tortoises, Gopherus agassizii, in the western part of Red Rock Canyon State Park and watershed in eastern Kern County, California, between 2002 and 2004. We used two techniques: a single demographic plot (~4 km2 ) and 37 landscape plots (1-ha each). We estimated population densities of tortoises to be between 2.7 and 3.57/km2 and the population in the Park to be 108 tortoises. We estimated the death rate at 67% for subadults and adults during the last 4 yrs. Mortality was high for several reasons: gunshot deaths, avian predation, mammalian predation, and probably disease. Historic and recent anthropogenic impacts from State Highway 14, secondary roads, trash, cross-country vehicle tracks, and livestock have contributed to elevated death rates and degradation of habitat. We propose conservation actions to reduce mortality.
","language":"English","usgsCitation":"Berry, K.H., Keith, K., and Bailey, T.Y., 2008, Status of the desert tortoise in Red Rock Canyon State Park: California Fish and Game, v. 94, no. 2, p. 98-118.","productDescription":"21 p.","startPage":"98","endPage":"118","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":332893,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":332892,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=47398"}],"volume":"94","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"586e1830e4b0f5ce109fcb23","contributors":{"authors":[{"text":"Berry, Kristin H. 0000-0003-1591-8394 kristin_berry@usgs.gov","orcid":"https://orcid.org/0000-0003-1591-8394","contributorId":437,"corporation":false,"usgs":true,"family":"Berry","given":"Kristin","email":"kristin_berry@usgs.gov","middleInitial":"H.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":657749,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Keith, Kevin","contributorId":178000,"corporation":false,"usgs":false,"family":"Keith","given":"Kevin","affiliations":[],"preferred":false,"id":657750,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bailey, Tracy Y.","contributorId":139383,"corporation":false,"usgs":false,"family":"Bailey","given":"Tracy","email":"","middleInitial":"Y.","affiliations":[{"id":12758,"text":"independent, 619 Pinon Court, Ridgecrest, CA","active":true,"usgs":false}],"preferred":false,"id":657751,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70179562,"text":"70179562 - 2008 - When desert tortoises are rare: Testing a new protocol for assessing status","interactions":[],"lastModifiedDate":"2017-01-04T13:48:51","indexId":"70179562","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1153,"text":"California Fish and Game","active":true,"publicationSubtype":{"id":10}},"title":"When desert tortoises are rare: Testing a new protocol for assessing status","docAbstract":"We developed and tested a new protocol for sampling populations of the desert tortoise, Gopherus agassizii, a state- and federally listed species, in areas where population densities are very low, historical data are sparse, and anthropogenic uses may threaten the well-being of tortoise populations and habitat. We conducted a 3-year (2002–2004) survey in Jawbone-Butterbredt Area of Critical Environmental Concern and Red Rock Canyon State Park in the western Mojave Desert of California where the status was previously unknown. We stratified the study area and used 751, 1-ha plots to evaluate 187.7 km2 of habitat, a 4% sample. Tortoise sign was found on 31 of the 751 plots (4.1%) in two limited areas: ~14 km2 on the Kiavah Apron and ~40 km2 in the Red Rock Canyon watershed.
","language":"English","usgsCitation":"Keith, K., Berry, K.H., and Weigand, J.F., 2008, When desert tortoises are rare: Testing a new protocol for assessing status: California Fish and Game, v. 94, no. 2, p. 75-97.","productDescription":"23 p.","startPage":"75","endPage":"97","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":332891,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":332890,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=47396"}],"volume":"94","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"586e1831e4b0f5ce109fcb25","contributors":{"authors":[{"text":"Keith, Kevin","contributorId":178000,"corporation":false,"usgs":false,"family":"Keith","given":"Kevin","affiliations":[],"preferred":false,"id":657746,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Berry, Kristin H. 0000-0003-1591-8394 kristin_berry@usgs.gov","orcid":"https://orcid.org/0000-0003-1591-8394","contributorId":437,"corporation":false,"usgs":true,"family":"Berry","given":"Kristin","email":"kristin_berry@usgs.gov","middleInitial":"H.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":657747,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Weigand, James F.","contributorId":145871,"corporation":false,"usgs":false,"family":"Weigand","given":"James","email":"","middleInitial":"F.","affiliations":[{"id":16275,"text":"BLM, Sacramento, CA","active":true,"usgs":false}],"preferred":false,"id":657748,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70176654,"text":"70176654 - 2008 - Ecosystem conceptual model- Mercury ","interactions":[],"lastModifiedDate":"2016-09-23T15:28:47","indexId":"70176654","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":9,"text":"Other Report"},"title":"Ecosystem conceptual model- Mercury ","docAbstract":"Final Rept. ; Prepared in Cooperation With Alaska Univ., Fairbanks. Inst. of Arctic Biology. Sponsored By National Marine Fisheries Service, Juneau, Ak. AlaskaFisheries Science Center. ; Stranded Exxon Valdez Oil Has Persisted for 16 Years At Boulder-Armored Beach Sites Along National Park Coastlines Bordering the Gulf of Alaska. These Sites Are Up to 640 Km From the Spill Origin and Were Contaminated By Oil Mousse, a Viscous Water-in-Oil Emulsion. Although Surface Oil Has Continued to Decline, Subsurface Oiling Persists in Patches. Especially Striking Is the General Lack of Weathering of Stranded Oil on Armored Beaches Over the Last 16 Years. At Three of the Four Sites Where Oil Was Sampled in 2005, the Oil Was Compositionally Similar to 11-Day Old Exxon Valdez Oil, Even After 16 Years. The Formation of Mousse Allowed Less-Weathered Oil to Be Transported Long Distances. The Sequestration of the Oil Beneath a Boulder Armor, Coupled With the Stability of the Boulder Armoring (Investigated By Examining Movement of Marked Boulders), Had Contributed to the Lengthy Persistence of This Stranded Oil. Opportunistic Sampling of Several Previously Studied Oiled Mussel Beds Indicates Continued Contamination of At Least One of the Sites By Not Very Weathered Exxon Valdez Oil. Long-Term Persistence of Oil in These Habitats Should Cause Reconsideration of Response Activities After Spills, and May Influence the Environmental Sensitivity Indices Applied to These Habitats.
","largerWorkTitle":"TOXLINE","language":"English","publisher":"U.S. National Library of Medicine","usgsCitation":"Irvine, G., Mann, D., and Short, J., 2008, Monitoring lingering oil from the Exxon Valdez spill on Gulf of Alaska armored beaches and mussel beds sixteen years post-spill, v. 12.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"links":[{"id":324454,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"12","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57724e32e4b07657d1a819b0","contributors":{"authors":[{"text":"Irvine, G.V.","contributorId":97051,"corporation":false,"usgs":true,"family":"Irvine","given":"G.V.","email":"","affiliations":[],"preferred":false,"id":640855,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mann, D.H.","contributorId":23282,"corporation":false,"usgs":true,"family":"Mann","given":"D.H.","email":"","affiliations":[],"preferred":false,"id":640856,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Short, J.W.","contributorId":65631,"corporation":false,"usgs":true,"family":"Short","given":"J.W.","email":"","affiliations":[],"preferred":false,"id":640857,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70178103,"text":"70178103 - 2008 - Baseline studies in the Elwha River ecosystem prior to dam removal: Introduction to the special issue","interactions":[],"lastModifiedDate":"2017-11-17T11:36:06","indexId":"70178103","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2900,"text":"Northwest Science","onlineIssn":"2161-9859","printIssn":"0029-344X","active":true,"publicationSubtype":{"id":10}},"title":"Baseline studies in the Elwha River ecosystem prior to dam removal: Introduction to the special issue","docAbstract":"The planned removal of two dams that have been in place for over 95 years on the Elwha River provides a unique opportunity to study dam removal effects. Among the largest dams ever considered for removal, this project is compelling because 83% of the watershed lies undisturbed in Olympic National Park. Eighteen million cubic meters of sediment have accumulated in and will be released from the reservoirs, and there is potential for rehabilitating depressed Pacific salmon runs. Researchers from academia, non-profit organizations, federal and state governments, and the Lower Elwha Klallam Tribe are currently assessing baseline ecological conditions of the Elwha River as part of dam removal studies. We introduce dam removal topics, provide a brief history of the dams, and summarize the ecology of the Elwha River basin as an introduction to a special issue devoted to research in the watershed.
","language":"English","publisher":"Northwest Scientific Association","doi":"10.3955/0029-344X-82.S.I.1","usgsCitation":"Duda, J.J., Freilich, J., and Schreiner, E.G., 2008, Baseline studies in the Elwha River ecosystem prior to dam removal: Introduction to the special issue: Northwest Science, v. 82, no. sp1, p. 1-12, https://doi.org/10.3955/0029-344X-82.S.I.1.","productDescription":"12 p.","startPage":"1","endPage":"12","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true},{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"links":[{"id":476790,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3955/0029-344x-82.s.i.1","text":"Publisher Index Page"},{"id":330661,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Washington","otherGeospatial":"Elwa river basin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -123.62777709960939,\n 48.14501426822942\n ],\n [\n -123.74862670898436,\n 48.085418575511966\n ],\n [\n -123.77197265625,\n 47.95038564051012\n ],\n [\n -123.64837646484375,\n 47.77625204393233\n ],\n [\n -123.59344482421874,\n 47.64873730307524\n ],\n [\n -123.34075927734375,\n 47.702368466573716\n ],\n [\n -123.31192016601561,\n 47.94026691125948\n ],\n [\n -123.38882446289061,\n 48.11476663187632\n ],\n [\n -123.55361938476562,\n 48.154176701412744\n ],\n [\n -123.62777709960939,\n 48.14501426822942\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"82","issue":"sp1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"581afb67e4b0bb36a4ca6651","contributors":{"authors":[{"text":"Duda, Jeffrey J. 0000-0001-7431-8634 jduda@usgs.gov","orcid":"https://orcid.org/0000-0001-7431-8634","contributorId":145486,"corporation":false,"usgs":true,"family":"Duda","given":"Jeffrey","email":"jduda@usgs.gov","middleInitial":"J.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":false,"id":652758,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Freilich, Jerry","contributorId":42518,"corporation":false,"usgs":true,"family":"Freilich","given":"Jerry","email":"","affiliations":[],"preferred":false,"id":652759,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Schreiner, Edward G.","contributorId":29371,"corporation":false,"usgs":true,"family":"Schreiner","given":"Edward","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":652760,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70043510,"text":"70043510 - 2008 - Reevaluation of the macroseismic effects of the 1887 Sonora, Mexico earthquake and its magnitude estimation","interactions":[],"lastModifiedDate":"2016-06-20T11:30:49","indexId":"70043510","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5087,"text":"Geo-UNAM : boletín informativo del área de ciencias de la tierra","active":true,"publicationSubtype":{"id":10}},"title":"Reevaluation of the macroseismic effects of the 1887 Sonora, Mexico earthquake and its magnitude estimation","docAbstract":"The Sonora, Mexico, earthquake of 3 May 1887 occurred a few years before the start of the instrumental era in seismology. We revisit all available accounts of the earthquake and assign Modified Mercalli Intensities (MMI), interpreting and analyzing macroseismic information using the best available modern methods. We find that earlier intensity assignments for this important earthquake were unjustifiably high in many cases. High intensity values were assigned based on accounts of rock falls, soil failure or changes in the water table, which are now known to be very poor indicators of shaking severity and intensity. Nonetheless, reliable accounts reveal that light damage (intensity VI) occurred at distances of up to ~200 km in both Mexico and the United States. The resulting set of 98 reevaluated intensity values is used to draw an isoseismal map of this event. Using the attenuation relation proposed by Bakun (2006b), we estimate an optimal moment magnitude of Mw7.6. Assuming this magnitude is correct, a fact supported independently by documented rupture parameters assuming standard scaling relations, our results support the conclusion that northern Sonora as well as the Basin and Range province are characterized by lower attenuation of intensities than California. However, this appears to be at odds with recent results that Lg attenuation in the Basin and Range province is comparable to that in California.
","largerWorkType":{"id":2,"text":"Article"},"largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Universidad Nacional Autónoma de México","publisherLocation":"México, D.F.","usgsCitation":"Suarez, G., and Hough, S.E., 2008, Reevaluation of the macroseismic effects of the 1887 Sonora, Mexico earthquake and its magnitude estimation: Geo-UNAM : boletín informativo del área de ciencias de la tierra, p. 1-15.","productDescription":"16 p.","startPage":"1","endPage":"15","numberOfPages":"16","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-011480","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":306576,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://usuarios.geofisica.unam.mx/cruz/Sismociones_Libres/Biblio_Sismocion/Sonora_v5.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":323987,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Mexico, United States","otherGeospatial":"Northern Sonora, Basin and Range province","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -121.640625,\n 31.74685416292141\n ],\n [\n -121.640625,\n 42.58544425738491\n ],\n [\n -110.478515625,\n 42.58544425738491\n ],\n [\n -110.478515625,\n 31.74685416292141\n ],\n [\n -121.640625,\n 31.74685416292141\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"576913e6e4b07657d19ff24c","contributors":{"authors":[{"text":"Suarez, Gerardo","contributorId":146425,"corporation":false,"usgs":false,"family":"Suarez","given":"Gerardo","email":"","affiliations":[],"preferred":false,"id":567818,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hough, Susan E. 0000-0002-5980-2986 hough@usgs.gov","orcid":"https://orcid.org/0000-0002-5980-2986","contributorId":587,"corporation":false,"usgs":true,"family":"Hough","given":"Susan","email":"hough@usgs.gov","middleInitial":"E.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":567819,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70042730,"text":"70042730 - 2008 - Reply to comment by T. N. Narasimhan on “A method to estimate groundwater depletion from confining layers”","interactions":[],"lastModifiedDate":"2020-01-04T13:43:12","indexId":"70042730","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Reply to comment by T. N. Narasimhan on “A method to estimate groundwater depletion from confining layers”","docAbstract":"We thank T. N. Narasimhan for his comment on our paper [Konikow and Neuzil, 2007] and for extending the discussion with a historical perspective, additional examples, and some considerations we did not discuss, including implications for water management. We support and agree with the thrust of his comments.","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2008WR007084","usgsCitation":"Neuzil, C.E., and Konikow, L.F., 2008, Reply to comment by T. N. Narasimhan on “A method to estimate groundwater depletion from confining layers”: Water Resources Research, v. 44, no. 6, W06421; 1 p., https://doi.org/10.1029/2008WR007084.","productDescription":"W06421; 1 p.","ipdsId":"IP-005272","costCenters":[{"id":146,"text":"Branch of Regional Research-Eastern Region","active":false,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":488993,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2008wr007084","text":"Publisher Index Page"},{"id":273589,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"44","issue":"6","noUsgsAuthors":false,"publicationDate":"2008-06-27","publicationStatus":"PW","scienceBaseUri":"51b846ebe4b03203c522b214","contributors":{"authors":[{"text":"Neuzil, Christopher E. 0000-0003-2022-4055 ceneuzil@usgs.gov","orcid":"https://orcid.org/0000-0003-2022-4055","contributorId":2322,"corporation":false,"usgs":true,"family":"Neuzil","given":"Christopher","email":"ceneuzil@usgs.gov","middleInitial":"E.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"preferred":true,"id":472126,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Konikow, Leonard F. 0000-0002-0940-3856 lkonikow@usgs.gov","orcid":"https://orcid.org/0000-0002-0940-3856","contributorId":158,"corporation":false,"usgs":true,"family":"Konikow","given":"Leonard","email":"lkonikow@usgs.gov","middleInitial":"F.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"preferred":true,"id":472125,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70115358,"text":"70115358 - 2008 - Avoidance behavior of juvenile lake sturgeon (Acipenser fulvescens) exposed to Bayluscide 3.2% Granular Sea Lamprey Larvicide","interactions":[],"lastModifiedDate":"2017-08-27T10:13:12","indexId":"70115358","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":4,"text":"Other Government Series"},"displayTitle":"Avoidance behavior of juvenile lake sturgeon (Acipenser fulvescens) exposed to Bayluscide 3.2% Granular Sea Lamprey Larvicide","title":"Avoidance behavior of juvenile lake sturgeon (Acipenser fulvescens) exposed to Bayluscide 3.2% Granular Sea Lamprey Larvicide","docAbstract":"Avoidance of juvenile lake sturgeons < 100 mm in length in response to application of the Bayluscide 3.2% Granular Sea Lamprey Larvicide was assessed. Clear plexiglas columns (107 cm in height, 30.5 cm in diameter) to evaluate the potential for the normally bottom-dwelling fishes to move vertically in the water column to avoid niclosamide dissolving from the Bayluscide granules. Vertical migration of lake sturgeons to > 15 cm off the bottom of the column was considered avoidance. Lake sturgeons began displaying avoidance behaviors within 4 to 8 min after the granules were applied and continued for up to 60 min. After 60 min, most or all of the sturgeons were near the surface in the treated columns. In contrast, little movement above the 15-cm mark was observed at any time in any of the control columns. The results of this study are similar to a previous study where juvenile lake sturgeons > 100 mm in length showed the ability to avoid granular Bayluscide. Taken together, we conclude that juvenile lake sturgeons of any size range can detect and avoid granular Bayluscide applications.
In many river basins around the world, inaccessibility of flow data is a major obstacle to water resource studies and operational monitoring. This paper describes a geospatial streamflow modeling system which is parameterized with global terrain, soils and land cover data and run operationally with satellite‐derived precipitation and evapotranspiration datasets. Simple linear methods transfer water through the subsurface, overland and river flow phases, and the resulting flows are expressed in terms of standard deviations from mean annual flow. In sample applications, the modeling system was used to simulate flow variations in the Congo, Niger, Nile, Zambezi, Orange and Lake Chad basins between 1998 and 2005, and the resulting flows were compared with mean monthly values from the open‐access Global River Discharge Database. While the uncalibrated model cannot predict the absolute magnitude of flow, it can quantify flow anomalies in terms of relative departures from mean flow. Most of the severe flood events identified in the flow anomalies were independently verified by the Dartmouth Flood Observatory (DFO) and the Emergency Disaster Database (EM‐DAT). Despite its limitations, the modeling system is valuable for rapid characterization of the relative magnitude of flood hazards and seasonal flow changes in data sparse settings.
","language":"English","publisher":"Taylor & Francis","doi":"10.1080/15715124.2008.9635351","usgsCitation":"Asante, K.O., Arlan, G.A., Pervez, M., and Rowland, J., 2008, A linear geospatial streamflow modeling system for data sparse environments: International Journal of River Basin Management, v. 6, no. 3, p. 233-241, https://doi.org/10.1080/15715124.2008.9635351.","productDescription":"9 p.","startPage":"233","endPage":"241","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":298747,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Congo, Niger, Nile, Zambezi, Orange, Lake Chad basins","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -12.65625,\n -31.653381399663985\n ],\n [\n -12.65625,\n 31.203404950917395\n ],\n [\n 37.96875,\n 31.203404950917395\n ],\n [\n 37.96875,\n -31.653381399663985\n ],\n [\n -12.65625,\n -31.653381399663985\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"6","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"550bf328e4b02e76d759cdd6","contributors":{"authors":[{"text":"Asante, Kwabena O. 0000-0001-5408-1852","orcid":"https://orcid.org/0000-0001-5408-1852","contributorId":81578,"corporation":false,"usgs":true,"family":"Asante","given":"Kwabena","email":"","middleInitial":"O.","affiliations":[],"preferred":false,"id":542011,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Arlan, Guleid A.","contributorId":139603,"corporation":false,"usgs":false,"family":"Arlan","given":"Guleid","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":542012,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Pervez, Md Shahriar 0000-0003-3417-1871 spervez@usgs.gov","orcid":"https://orcid.org/0000-0003-3417-1871","contributorId":3099,"corporation":false,"usgs":true,"family":"Pervez","given":"Md Shahriar","email":"spervez@usgs.gov","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":false,"id":542013,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Rowland, James 0000-0003-4837-3511 rowland@usgs.gov","orcid":"https://orcid.org/0000-0003-4837-3511","contributorId":3108,"corporation":false,"usgs":true,"family":"Rowland","given":"James","email":"rowland@usgs.gov","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":false,"id":542014,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70205145,"text":"70205145 - 2008 - CO2‐induced suppression of transpiration cannot explain increasing runoff","interactions":[],"lastModifiedDate":"2019-09-04T17:12:03","indexId":"70205145","displayToPublicDate":"2007-11-29T17:08:44","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1924,"text":"Hydrological Processes","active":true,"publicationSubtype":{"id":10}},"displayTitle":"CO2‐induced suppression of transpiration cannot explain increasing runoff","title":"CO2‐induced suppression of transpiration cannot explain increasing runoff","docAbstract":"No abstract available.
","language":"English","publisher":"Wiley","doi":"10.1002/hyp.6925","usgsCitation":"Huntington, T.G., 2008, CO2‐induced suppression of transpiration cannot explain increasing runoff: Hydrological Processes, v. 22, no. 2, p. 311-314, https://doi.org/10.1002/hyp.6925.","productDescription":"4 p.","startPage":"311","endPage":"314","costCenters":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true}],"links":[{"id":367204,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"22","issue":"2","noUsgsAuthors":false,"publicationDate":"2007-11-29","publicationStatus":"PW","contributors":{"authors":[{"text":"Huntington, Thomas G. 0000-0002-9427-3530 thunting@usgs.gov","orcid":"https://orcid.org/0000-0002-9427-3530","contributorId":1884,"corporation":false,"usgs":true,"family":"Huntington","given":"Thomas","email":"thunting@usgs.gov","middleInitial":"G.","affiliations":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true},{"id":371,"text":"Maine Water Science Center","active":true,"usgs":true}],"preferred":true,"id":770199,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ]}