A method has been developed for the simultaneous extraction of chlorothalonil and three of its degradates (4-hydroxy-2,5,6-trichloroisophthalonitrile, 1-carbamoyl-3-cyano-4-hydroxy-2,5,6-trichlorobenzene, and 1,3-dicarbamoyl-2,4,5,6-tetrachlorobenzene) from soils and sediments; the compounds were extracted using sonication with acetone and isolation of the parent compound and matrix interferences from the degradates by solid phase extraction (SPE). The chlorothalonil fraction underwent further coextracted matrix interference removal with Florisil. The degradates were derivatized with N,O-bis(trimethylsilyl) trifluoroacetamide (BSTFA) and chlorotrimethylsilane (TMCS). All compounds were analyzed by gas chromatography–mass spectrometry (GC-MS). Recoveries on a spiked (20 and 200 µg kg−1) sediment ranged from 80% to 91% with calculated limits of detection of 1−5 µg kg−1 dry weight sediment. An additional 20 sediment samples were collected in watersheds from the Southeastern United States where chlorothalonil is used widely on peanuts and other crops. None of the target compounds were detected. Laboratory fortified recoveries of chlorothalonil and its degradates in these environmental sediment samples ranged from 75% to 89%.
","language":"English","publisher":"ACS","doi":"10.1021/jf703695s","issn":"00218561","usgsCitation":"Hladik, M., and Kuivila, K., 2008, Analysis of chlorothalonil and three degradates in sediment and soil: Journal of Agricultural and Food Chemistry, v. 56, no. 7, p. 2310-2314, https://doi.org/10.1021/jf703695s.","productDescription":"5 p.","startPage":"2310","endPage":"2314","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":242427,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":214681,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1021/jf703695s"}],"volume":"56","issue":"7","noUsgsAuthors":false,"publicationDate":"2008-03-13","publicationStatus":"PW","scienceBaseUri":"5059eb0de4b0c8380cd48ba3","contributors":{"authors":[{"text":"Hladik, M.L. 0000-0002-0891-2712","orcid":"https://orcid.org/0000-0002-0891-2712","contributorId":51111,"corporation":false,"usgs":true,"family":"Hladik","given":"M.L.","affiliations":[],"preferred":false,"id":434149,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kuivila, K.M.","contributorId":34529,"corporation":false,"usgs":true,"family":"Kuivila","given":"K.M.","email":"","affiliations":[],"preferred":false,"id":434148,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70032169,"text":"70032169 - 2008 - New global hydrography derived from spaceborne elevation data","interactions":[],"lastModifiedDate":"2017-04-03T14:06:01","indexId":"70032169","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"New global hydrography derived from spaceborne elevation data","docAbstract":"To study the Earth system and to better understand the implications of global environmental change, there is a growing need for large-scale hydrographic data sets that serve as prerequisites in a variety of analyses and applications, ranging from regional watershed and freshwater conservation planning to global hydrological, climate, biogeochemical, and land surface modeling. Yet while countless hydrographic maps exist for well-known river basins and individual nations, there is a lack of seamless high-quality data on large scales such as continents or the entire globe. Data for many large international basins are patchy, and remote areas are often poorly mapped.
\nIn response to these limitations, a team of scientists has developed data and created maps of the world's rivers that provide the research community with more reliable information about where streams and watersheds occur on the Earth's surface and how water drains the landscape. The new product, known as HydroSHEDS (Hydrological Data and Maps Based on Shuttle Elevation Derivatives at Multiple Scales), provides this information at a resolution and quality unachieved by previous global data sets, such as HYDRO1k [U.S. Geological Survey (USGS), 2000].
","language":"English","publisher":"AGU Publications","doi":"10.1029/2008EO100001","issn":"00963941","usgsCitation":"Lehner, B., Verdin, K., and Jarvis, A., 2008, New global hydrography derived from spaceborne elevation data: Eos, Transactions, American Geophysical Union, v. 89, no. 10, p. 93-94, https://doi.org/10.1029/2008EO100001.","productDescription":"2 p.","startPage":"93","endPage":"94","numberOfPages":"2","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":476904,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2008eo100001","text":"Publisher Index Page"},{"id":214972,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2008EO100001"},{"id":242734,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"89","issue":"10","noUsgsAuthors":false,"publicationDate":"2011-06-03","publicationStatus":"PW","scienceBaseUri":"505a658ce4b0c8380cd72c13","contributors":{"authors":[{"text":"Lehner, B.","contributorId":86192,"corporation":false,"usgs":true,"family":"Lehner","given":"B.","email":"","affiliations":[],"preferred":false,"id":434848,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Verdin, K.L. 0000-0002-6114-4660","orcid":"https://orcid.org/0000-0002-6114-4660","contributorId":33505,"corporation":false,"usgs":true,"family":"Verdin","given":"K.L.","affiliations":[],"preferred":false,"id":434846,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jarvis, A.","contributorId":45533,"corporation":false,"usgs":true,"family":"Jarvis","given":"A.","email":"","affiliations":[],"preferred":false,"id":434847,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70032207,"text":"70032207 - 2008 - Wetlands as principal zones of methylmercury production in southern Louisiana and the Gulf of Mexico region","interactions":[],"lastModifiedDate":"2018-10-17T08:14:29","indexId":"70032207","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1555,"text":"Environmental Pollution","active":true,"publicationSubtype":{"id":10}},"title":"Wetlands as principal zones of methylmercury production in southern Louisiana and the Gulf of Mexico region","docAbstract":"It is widely recognized that wetlands, especially those rich in organic matter and receiving appreciable atmospheric mercury (Hg) inputs, are important sites of methylmercury (MeHg) production. Extensive wetlands in the southeastern United States have many ecosystem attributes ideal for promoting high MeHg production rates; however, relatively few mercury cycling studies have been conducted in these environments. We conducted a landscape scale study examining Hg cycling in coastal Louisiana (USA) including four field trips conducted between August 2003 and May 2005. Sites were chosen to represent different ecosystem types, including: a large shallow eutrophic estuarine lake (Lake Pontchartrain), three rivers draining into the lake, a cypress-tupelo dominated freshwater swamp, and six emergent marshes ranging from a freshwater marsh dominated by Panicum hemitomon to a Spartina alterniflora dominated salt marsh close to the Gulf of Mexico. We measured MeHg and total Hg (THg) concentrations, and ancillary chemical characteristics, in whole and filtered surface water, and filtered porewater.
Overall, MeHg concentrations were greatest in surface water of freshwater wetlands and lowest in the profundal (non-vegetated) regions of the lake and river mainstems. Concentrations of THg and MeHg in filtered surface water were positively correlated with the highly reactive, aromatic (hydrophobic organic acid) fraction of dissolved organic carbon (DOC). These results suggest that DOC plays an important role in promoting the mobility, transport and bioavailability of inorganic Hg in these environments. Further, elevated porewater concentrations in marine and brackish wetlands suggest coastal wetlands along the Gulf Coast are key sites for MeHg production and may be a principal source of MeHg to foodwebs in the Gulf of Mexico.
Examining the relationships among MeHg, THg, and DOC across these multiple landscape types is a first step in evaluating possible links between key zones for Hg(II)-methylation and the bioaccumulation of mercury in the biota inhabiting the Gulf of Mexico region
","language":"English","publisher":"Elsevier","doi":"10.1016/j.envpol.2007.12.017","issn":"02697491","usgsCitation":"Hall, B., Aiken, G., Krabbenhoft, D., Marvin-DiPasquale, M., and Swarzenski, C., 2008, Wetlands as principal zones of methylmercury production in southern Louisiana and the Gulf of Mexico region: Environmental Pollution, v. 154, no. 1, p. 124-134, https://doi.org/10.1016/j.envpol.2007.12.017.","productDescription":"11 p.","startPage":"124","endPage":"134","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":242802,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215035,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.envpol.2007.12.017"}],"volume":"154","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bd028e4b08c986b32ecd6","contributors":{"authors":[{"text":"Hall, B.D.","contributorId":42408,"corporation":false,"usgs":true,"family":"Hall","given":"B.D.","email":"","affiliations":[],"preferred":false,"id":435035,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Aiken, G. R. 0000-0001-8454-0984","orcid":"https://orcid.org/0000-0001-8454-0984","contributorId":14452,"corporation":false,"usgs":true,"family":"Aiken","given":"G. R.","affiliations":[],"preferred":false,"id":435033,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Krabbenhoft, D. P. 0000-0003-1964-5020","orcid":"https://orcid.org/0000-0003-1964-5020","contributorId":90765,"corporation":false,"usgs":true,"family":"Krabbenhoft","given":"D. P.","affiliations":[],"preferred":false,"id":435037,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Marvin-DiPasquale, M.","contributorId":28367,"corporation":false,"usgs":true,"family":"Marvin-DiPasquale","given":"M.","affiliations":[],"preferred":false,"id":435034,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Swarzenski, C.M.","contributorId":74856,"corporation":false,"usgs":true,"family":"Swarzenski","given":"C.M.","email":"","affiliations":[],"preferred":false,"id":435036,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70031914,"text":"70031914 - 2008 - Effects of scoria-cone eruptions upon nearby human communities","interactions":[],"lastModifiedDate":"2019-03-28T11:03:42","indexId":"70031914","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1786,"text":"Geological Society of America Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Effects of scoria-cone eruptions upon nearby human communities","docAbstract":"Scoria-cone eruptions are typically low in volume and explosivity compared with eruptions from stratovolcanoes, but they can affect local populations profoundly. Scoria-cone eruption effects vary dramatically due to eruption style, tephra blanket extent, climate, types of land use, the culture and complexity of the affected group, and resulting governmental action. A comparison of a historic eruption (Parícutin, México) with prehistoric eruptions (herein we primarily focus on Sunset Crater in northern Arizona, USA) elucidates the controls on and effects of these variables. Long-term effects of lava flows extend little beyond the flow edges. These flows, however, can be used for defensive purposes, providing refuges from invasion for those who know them well. In arid lands, tephra blankets serve as mulches, decreasing runoff and evaporation, increasing infiltration, and regulating soil temperature. Management and retention of these scoria mulches, which can open new areas for agriculture, become a priority for farming communities. In humid areas, though, the tephra blanket may impede plant growth and increase erosion. Cultural responses to eruptions vary, from cultural collapse, through fragmentation of society, dramatic changes, and development of new technologies, to little apparent change. Eruptions may also be viewed as retribution for poor behavior, and attempts are made to mollify angry gods.
","language":"English","publisher":"GSA","doi":"10.1130/B26061.1","issn":"00167606","usgsCitation":"Ort, M., Elson, M., Anderson, K., Duffield, W.A., Hooten, J., Champion, D., and Waring, G., 2008, Effects of scoria-cone eruptions upon nearby human communities: Geological Society of America Bulletin, v. 120, no. 3-4, p. 476-486, https://doi.org/10.1130/B26061.1.","productDescription":"11 p.","startPage":"476","endPage":"486","costCenters":[{"id":615,"text":"Volcano Hazards Program","active":true,"usgs":true}],"links":[{"id":242353,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":214613,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1130/B26061.1"}],"volume":"120","issue":"3-4","noUsgsAuthors":false,"publicationDate":"2008-03-04","publicationStatus":"PW","scienceBaseUri":"505a07bfe4b0c8380cd517f2","contributors":{"authors":[{"text":"Ort, M.H.","contributorId":25957,"corporation":false,"usgs":true,"family":"Ort","given":"M.H.","email":"","affiliations":[],"preferred":false,"id":433700,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Elson, M.D.","contributorId":87768,"corporation":false,"usgs":true,"family":"Elson","given":"M.D.","email":"","affiliations":[],"preferred":false,"id":433705,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Anderson, K.C.","contributorId":25005,"corporation":false,"usgs":true,"family":"Anderson","given":"K.C.","email":"","affiliations":[],"preferred":false,"id":433699,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Duffield, W. A.","contributorId":71935,"corporation":false,"usgs":true,"family":"Duffield","given":"W.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":433704,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hooten, J.A.","contributorId":64905,"corporation":false,"usgs":true,"family":"Hooten","given":"J.A.","email":"","affiliations":[],"preferred":false,"id":433702,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Champion, D.E.","contributorId":70402,"corporation":false,"usgs":true,"family":"Champion","given":"D.E.","email":"","affiliations":[],"preferred":false,"id":433703,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Waring, G.","contributorId":56054,"corporation":false,"usgs":true,"family":"Waring","given":"G.","email":"","affiliations":[],"preferred":false,"id":433701,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70032013,"text":"70032013 - 2008 - A simple model for predicting survival of angler-caught and released largemouth bass","interactions":[],"lastModifiedDate":"2012-03-12T17:21:28","indexId":"70032013","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3624,"text":"Transactions of the American Fisheries Society","active":true,"publicationSubtype":{"id":10}},"title":"A simple model for predicting survival of angler-caught and released largemouth bass","docAbstract":"We conducted a controlled experiment in the laboratory to assess the influence of anatomical hooking location and water temperature on survival of angler-caught and released largemouth bass Micropterus salmoides. Survival was 98% (58 of 59 fish) among fish that were hand-hooked within the oral cavity (including the gills), whereas survival was 66% (33 of 50 fish) among fish that were hand-hooked in the esophagus. Survival of hooked fish was not significantly influenced by water temperature (7-27??C) or the hooking location X water temperature interaction. We combined our results with prior research to develop a predictive model of largemouth bass survival, which was 98.3% (SD = 1.87%) for fish hooked in the oral cavity and 55.0% (SD = 9.70%) for fish hooked in the esophagus. The model is valid for water temperatures ranging from 7??C to 27??C and allows one to estimate, with known precision, the survival of angler-caught and released largemouth bass without the need for controlled studies or for holding fish in pens or cages to assess delayed mortality. ?? Copyright by the American Fisheries Society 2008.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Transactions of the American Fisheries Society","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1577/T06-273.1","issn":"00028487","usgsCitation":"Wilde, G., and Pope, K., 2008, A simple model for predicting survival of angler-caught and released largemouth bass: Transactions of the American Fisheries Society, v. 137, no. 3, p. 834-840, https://doi.org/10.1577/T06-273.1.","startPage":"834","endPage":"840","numberOfPages":"7","costCenters":[],"links":[{"id":214649,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1577/T06-273.1"},{"id":242393,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"137","issue":"3","noUsgsAuthors":false,"publicationDate":"2011-01-09","publicationStatus":"PW","scienceBaseUri":"5059e590e4b0c8380cd46e1e","contributors":{"authors":[{"text":"Wilde, G.R.","contributorId":54799,"corporation":false,"usgs":true,"family":"Wilde","given":"G.R.","email":"","affiliations":[],"preferred":false,"id":434140,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pope, K.L.","contributorId":20454,"corporation":false,"usgs":true,"family":"Pope","given":"K.L.","email":"","affiliations":[],"preferred":false,"id":434139,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70031875,"text":"70031875 - 2008 - δ15N patterns of Douglas-fir and red alder riparian forests in the Oregon Coast Range","interactions":[],"lastModifiedDate":"2013-07-11T15:27:50","indexId":"70031875","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1688,"text":"Forest Science","active":true,"publicationSubtype":{"id":10}},"title":"δ15N patterns of Douglas-fir and red alder riparian forests in the Oregon Coast Range","docAbstract":"We used naturally occurring stable isotopes of N to compare N dynamics in near-stream and upslope environments along riparian catenas in N-fixing red alder (Alnus rubra) and Douglas-fir (Pseudotsuga menziesii) forests in the Coast Range of western Oregon. Based on the existing literature, we expected soil δ15N to be enriched closer to streams owing to inputs of isotopically heavy, marine-derived N by spawning salmon, higher rates of denitrification near the stream, or both. However, it has been unclear what effect red alder might have on soil δ15N patterns near streams. We found a consistent −1‰ δ15N signature in red alder foliage, and δ15N of total N in soils under red alder averaged 2.2‰ along sampling transects extending 20 m upslope from the stream. Surprisingly, δ15N of total N in soil under Douglas-fir was progressively depleted nearer to streams, opposite from the pattern expected from N losses by denitrification or N inputs from anadromous salmon. Instead, δ15N of total N in soil under Douglas-fir converged toward soil δ15N values typical of red alder sites. We consider that the historic presence of red alder may have contributed a legacy of lower soil δ15N nearer to streams on sites that are currently dominated by young Douglas-fir forest.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Forest Science","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Society of American Foresters","issn":"0015749X","usgsCitation":"Scott, E., Perakis, S., and Hibbs, D., 2008, δ15N patterns of Douglas-fir and red alder riparian forests in the Oregon Coast Range: Forest Science, v. 54, no. 2, p. 140-147.","productDescription":"8 p.","startPage":"140","endPage":"147","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"links":[{"id":242317,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":274897,"type":{"id":15,"text":"Index Page"},"url":"https://www.ingentaconnect.com/content/saf/fs/2008/00000054/00000002/art00003"}],"country":"United States","state":"Oregon","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -124.61,41.99 ], [ -124.61,46.29 ], [ -116.46,46.29 ], [ -116.46,41.99 ], [ -124.61,41.99 ] ] ] } } ] }","volume":"54","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e275e4b0c8380cd45bdf","contributors":{"authors":[{"text":"Scott, E.E.","contributorId":97340,"corporation":false,"usgs":true,"family":"Scott","given":"E.E.","email":"","affiliations":[],"preferred":false,"id":433535,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Perakis, S.S.","contributorId":82039,"corporation":false,"usgs":true,"family":"Perakis","given":"S.S.","affiliations":[],"preferred":false,"id":433534,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hibbs, D.E.","contributorId":12435,"corporation":false,"usgs":true,"family":"Hibbs","given":"D.E.","email":"","affiliations":[],"preferred":false,"id":433533,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70031780,"text":"70031780 - 2008 - Movements of wintering surf scoters: Predator responses to different prey landscapes","interactions":[],"lastModifiedDate":"2018-05-13T11:58:19","indexId":"70031780","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2932,"text":"Oecologia","active":true,"publicationSubtype":{"id":10}},"title":"Movements of wintering surf scoters: Predator responses to different prey landscapes","docAbstract":"The distribution of predators is widely recognized to be intimately linked to the distribution of their prey. Foraging theory suggests that predators will modify their behaviors, including movements, to optimize net energy intake when faced with variation in prey attributes or abundance. While many studies have documented changes in movement patterns of animals in response to temporal changes in food, very few have contrasted movements of a single predator species naturally occurring in dramatically different prey landscapes. We documented variation in the winter movements, foraging range size, site fidelity, and distribution patterns of a molluscivorous sea duck, the surf scoter (Melanitta perspicillata), in two areas of coastal British Columbia with very different shellfish prey features. Baynes Sound has extensive tidal flats with abundant clams, which are high-quality and temporally stable prey for scoters. Malaspina Inlet is a rocky fjord-like inlet where scoters consume mussels that are superabundant and easily accessible in some patches but are heavily depleted over the course of winter. We used radio telemetry to track surf scoter movements in both areas and found that in the clam habitats of Baynes Sound, surf scoters exhibited limited movement, small winter ranges, strong foraging site fidelity, and very consistent distribution patterns. By contrast, in mussel habitats in the Malaspina Inlet, surf scoters displayed more movement, larger ranges, little fidelity to specific foraging sites, and more variable distribution patterns. We conclude that features associated with the different prey types, particularly the higher depletion rates of mussels, strongly influenced seasonal space use patterns. These findings are consistent with foraging theory and confirm that predator behavior, specifically movements, is environmentally mediated. ?? 2008 Springer-Verlag.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Oecologia","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1007/s00442-007-0947-0","issn":"00298549","usgsCitation":"Kirk, M., Esler, D., Iverson, S.A., and Boyd, W.S., 2008, Movements of wintering surf scoters: Predator responses to different prey landscapes: Oecologia, v. 155, no. 4, p. 859-867, https://doi.org/10.1007/s00442-007-0947-0.","startPage":"859","endPage":"867","numberOfPages":"9","costCenters":[],"links":[{"id":239810,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":212339,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s00442-007-0947-0"}],"volume":"155","issue":"4","noUsgsAuthors":false,"publicationDate":"2008-01-22","publicationStatus":"PW","scienceBaseUri":"505a5f74e4b0c8380cd70f7a","contributors":{"authors":[{"text":"Kirk, M.","contributorId":30039,"corporation":false,"usgs":true,"family":"Kirk","given":"M.","email":"","affiliations":[],"preferred":false,"id":433090,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Esler, Daniel 0000-0001-5501-4555 desler@usgs.gov","orcid":"https://orcid.org/0000-0001-5501-4555","contributorId":5465,"corporation":false,"usgs":true,"family":"Esler","given":"Daniel","email":"desler@usgs.gov","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true},{"id":12437,"text":"Simon Fraser University, Centre for Wildlife Ecology","active":true,"usgs":false}],"preferred":true,"id":433088,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Iverson, S. A.","contributorId":22556,"corporation":false,"usgs":true,"family":"Iverson","given":"S.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":433089,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Boyd, W. S.","contributorId":49051,"corporation":false,"usgs":true,"family":"Boyd","given":"W.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":433091,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70032188,"text":"70032188 - 2008 - Restoring piscivorous fish populations in the Laurentian Great Lakes causes seabird dietary change","interactions":[],"lastModifiedDate":"2012-03-12T17:21:25","indexId":"70032188","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1465,"text":"Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Restoring piscivorous fish populations in the Laurentian Great Lakes causes seabird dietary change","docAbstract":"Ecosystem change often affects the structure of aquatic communities thereby regulating how much and by what pathways energy and critical nutrients flow through food webs. The availability of energy and essential nutrients to top predators such as seabirds that rely on resources near the water's surface will be affected by changes in pelagic prey abundance. Here, we present results from analysis of a 25-year data set documenting dietary change in a predatory seabird from the Laurentian Great Lakes. We reveal significant declines in trophic position and alterations in energy and nutrient flow over time. Temporal changes in seabird diet tracked decreases in pelagic prey fish abundance. As pelagic prey abundance declined, birds consumed less aquatic prey and more terrestrial food. This pattern was consistent across all five large lake ecosystems. Declines in prey fish abundance may have primarily been the result of predation by stocked piscivorous fishes, but other lake-specific factors were likely also important. Natural resource management activities can have unintended consequences for nontarget ecosystem components. Reductions in pelagic prey abundance have reduced the capacity of the Great Lakes to support the energetic requirements of surface-feeding seabirds. In an environment characterized by increasingly limited pelagic fish resources, they are being offered a Hobsonian choice: switch to less nutritious terrestrial prey or go hungry. ?? 2008 by the Ecological Society of America.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ecology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1890/07-1603.1","issn":"00129658","usgsCitation":"Hebert, C., Weseloh, D., Idrissi, A., Arts, M., O'Gorman, R., Gorman, O.T., Locke, B., Madenjian, C., and Roseman, E., 2008, Restoring piscivorous fish populations in the Laurentian Great Lakes causes seabird dietary change: Ecology, v. 89, no. 4, p. 891-897, https://doi.org/10.1890/07-1603.1.","startPage":"891","endPage":"897","numberOfPages":"7","costCenters":[],"links":[{"id":214756,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1890/07-1603.1"},{"id":242506,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"89","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505aaae5e4b0c8380cd865b2","contributors":{"authors":[{"text":"Hebert, C.E.","contributorId":44369,"corporation":false,"usgs":true,"family":"Hebert","given":"C.E.","email":"","affiliations":[],"preferred":false,"id":434946,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Weseloh, D.V.C.","contributorId":35703,"corporation":false,"usgs":true,"family":"Weseloh","given":"D.V.C.","email":"","affiliations":[],"preferred":false,"id":434945,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Idrissi, A.","contributorId":46783,"corporation":false,"usgs":true,"family":"Idrissi","given":"A.","affiliations":[],"preferred":false,"id":434947,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Arts, M.T.","contributorId":12685,"corporation":false,"usgs":true,"family":"Arts","given":"M.T.","email":"","affiliations":[],"preferred":false,"id":434944,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"O'Gorman, R.","contributorId":48896,"corporation":false,"usgs":true,"family":"O'Gorman","given":"R.","affiliations":[],"preferred":false,"id":434948,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Gorman, O. T.","contributorId":104605,"corporation":false,"usgs":true,"family":"Gorman","given":"O.","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":434952,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Locke, B.","contributorId":63232,"corporation":false,"usgs":true,"family":"Locke","given":"B.","email":"","affiliations":[],"preferred":false,"id":434949,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Madenjian, C.P.","contributorId":64175,"corporation":false,"usgs":true,"family":"Madenjian","given":"C.P.","affiliations":[],"preferred":false,"id":434950,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Roseman, E.F. 0000-0002-5315-9838","orcid":"https://orcid.org/0000-0002-5315-9838","contributorId":76531,"corporation":false,"usgs":true,"family":"Roseman","given":"E.F.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":false,"id":434951,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}} ,{"id":70031728,"text":"70031728 - 2008 - Mercury sedimentation in lakes in western Whatcom County, Washington, USA and its relation to local industrial and municipal atmospheric sources","interactions":[],"lastModifiedDate":"2016-05-30T13:18:52","indexId":"70031728","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3728,"text":"Water, Air, & Soil Pollution","onlineIssn":"1573-2932","printIssn":"0049-6979","active":true,"publicationSubtype":{"id":10}},"title":"Mercury sedimentation in lakes in western Whatcom County, Washington, USA and its relation to local industrial and municipal atmospheric sources","docAbstract":"Concentrations of mercury (Hg) were measured in six dated cores from four lakes in western Whatcom County, Washington, USA, that were at various bearings from a chlor-alkali plant, two municipal waste incinerators and a municipal sewage sludge incinerator. The importance of atmospheric emissions of Hg from these local municipal and industrial sources was evaluating by comparing the temporal trends in sedimentation of the lake cores with the emission history of each Hg species and by examining the geographical distribution of Hg sedimentation in relation to the region's primary wind pattern. Local municipal and industrial sources of atmospheric Hg were not responsible for the majority of the Hg in the upper layer of sediments of Whatcom County lakes because of (1) the significant enrichment of Hg in lake sediments prior to emissions of local industrial and municipal sources in 1964, (2) smaller increases in Hg concentrations occurred after 1964, (3) the similarity of maximum enrichments found in Whatcom County lakes to those in rural lakes around the world, (4) the inconsistency of the temporal trends in Hg sedimentation with the local emission history, and (5) the inconsistency of the geographic trends in Hg sedimentation with estimated deposition. Maximum enrichment ratios of Hg in lake sediments between 2 and 3 that are similar to rural areas in Alaska, Minnesota, and New England suggest that global sources of Hg were primarily responsible for increases of Hg in Whatcom County lakes beginning about 1900. ?? 2007 GovernmentEmployee: U.S. Government, Department of Interior, U.S. Geological Survey.
","language":"English","publisher":"Springer","doi":"10.1007/s11270-007-9549-z","issn":"00496979","usgsCitation":"Paulson, A., and Norton, D., 2008, Mercury sedimentation in lakes in western Whatcom County, Washington, USA and its relation to local industrial and municipal atmospheric sources: Water, Air, & Soil Pollution, v. 189, no. 1-4, p. 5-19, https://doi.org/10.1007/s11270-007-9549-z.","productDescription":"15 p.","startPage":"5","endPage":"19","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":622,"text":"Washington Water Science Center","active":true,"usgs":true}],"links":[{"id":240010,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":212515,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s11270-007-9549-z"}],"volume":"189","issue":"1-4","noUsgsAuthors":false,"publicationDate":"2007-11-23","publicationStatus":"PW","scienceBaseUri":"505a542ce4b0c8380cd6ced4","contributors":{"authors":[{"text":"Paulson, A.J. apaulson@usgs.gov","contributorId":89617,"corporation":false,"usgs":true,"family":"Paulson","given":"A.J.","email":"apaulson@usgs.gov","affiliations":[],"preferred":false,"id":432888,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Norton, D.","contributorId":61391,"corporation":false,"usgs":true,"family":"Norton","given":"D.","affiliations":[],"preferred":false,"id":432887,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70030644,"text":"70030644 - 2008 - The role of hydrologic regimes on dissolved organic carbon composition in an agricultural watershed","interactions":[],"lastModifiedDate":"2017-01-17T11:36:50","indexId":"70030644","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1759,"text":"Geochimica et Cosmochimica Acta","active":true,"publicationSubtype":{"id":10}},"title":"The role of hydrologic regimes on dissolved organic carbon composition in an agricultural watershed","docAbstract":"Willow Slough, a seasonally irrigated agricultural watershed in the Sacramento River valley, California, was sampled weekly in 2006 in order to investigate seasonal concentrations and compositions of dissolved organic carbon (DOC). Average DOC concentrations nearly doubled from winter baseflow (2.75 mg L-1) to summer irrigation (5.14 mg L-1), while a concomitant increase in carbon-normalized vanillyl phenols (0.11 mg 100 mg OC-1 increasing to 0.31 mg 100 mg OC-1, on average) indicates that this additional carbon is likely vascular plant-derived. A strong linear relationship between lignin concentration and total suspended sediments (r2 = 0.79) demonstrates that agricultural management practices that mobilize sediments will likely have a direct and significant impact on DOC composition. The original source of vascular plant-derived DOC to Willow Slough appears to be the same throughout the year as evidenced by similar syringyl to vanillyl and cinnamyl to vanillyl ratios. However, differing diagenetic pathways during winter baseflow as compared to the rest of the year are evident in acid to aldehyde ratios of both vanillyl and syringyl phenols. The chromophoric dissolved organic matter (CDOM) absorption coefficient at 350 nm showed a strong correlation with lignin concentration (r2 = 0.83). Other CDOM measurements related to aromaticity and molecular weight also showed correlations with carbon-normalized yields (e.g. specific UV absorbance at 254 nm (r2 = 0.57) and spectral slope (r2 = 0.54)). Our overall findings suggest that irrigated agricultural watersheds like Willow Slough can potentially have a significant impact on mainstem DOC concentration and composition when scaled to the entire watershed of the main tributary. ?? 2008 Elsevier Ltd.","language":"English","publisher":"Elsevier","doi":"10.1016/j.gca.2008.07.031","issn":"00167","usgsCitation":"Hernes, P., Spencer, R., Dyda, R., Pellerin, B., Bachand, P., and Bergamaschi, B., 2008, The role of hydrologic regimes on dissolved organic carbon composition in an agricultural watershed: Geochimica et Cosmochimica Acta, v. 72, no. 21, p. 5266-5277, https://doi.org/10.1016/j.gca.2008.07.031.","productDescription":"12 p.","startPage":"5266","endPage":"5277","numberOfPages":"12","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":239497,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":212079,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.gca.2008.07.031"}],"volume":"72","issue":"21","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505baf77e4b08c986b3247fa","contributors":{"authors":[{"text":"Hernes, P.J.","contributorId":89651,"corporation":false,"usgs":true,"family":"Hernes","given":"P.J.","affiliations":[],"preferred":false,"id":428013,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Spencer, R.G.M.","contributorId":60361,"corporation":false,"usgs":true,"family":"Spencer","given":"R.G.M.","email":"","affiliations":[],"preferred":false,"id":428011,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dyda, R.Y.","contributorId":59630,"corporation":false,"usgs":true,"family":"Dyda","given":"R.Y.","email":"","affiliations":[],"preferred":false,"id":428010,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Pellerin, B.A.","contributorId":81233,"corporation":false,"usgs":true,"family":"Pellerin","given":"B.A.","email":"","affiliations":[],"preferred":false,"id":428012,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bachand, P.A.M.","contributorId":9857,"corporation":false,"usgs":true,"family":"Bachand","given":"P.A.M.","email":"","affiliations":[],"preferred":false,"id":428008,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Bergamaschi, B.A. 0000-0002-9610-5581","orcid":"https://orcid.org/0000-0002-9610-5581","contributorId":22401,"corporation":false,"usgs":true,"family":"Bergamaschi","given":"B.A.","affiliations":[],"preferred":false,"id":428009,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70032037,"text":"70032037 - 2008 - Late Cretaceous to Miocene sea-level estimates from the New Jersey and Delaware coastal plain coreholes: An error analysis","interactions":[],"lastModifiedDate":"2012-03-12T17:21:27","indexId":"70032037","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":972,"text":"Basin Research","active":true,"publicationSubtype":{"id":10}},"title":"Late Cretaceous to Miocene sea-level estimates from the New Jersey and Delaware coastal plain coreholes: An error analysis","docAbstract":"Sea level has been estimated for the last 108 million years through backstripping of corehole data from the New Jersey and Delaware Coastal Plains. Inherent errors due to this method of calculating sea level are discussed, including uncertainties in ages, depth of deposition and the model used for tectonic subsidence. Problems arising from the two-dimensional aspects of subsidence and response to sediment loads are also addressed. The rates and magnitudes of sea-level change are consistent with at least ephemeral ice sheets throughout the studied interval. Million-year sea-level cycles are, for the most part, consistent within the study area suggesting that they may be eustatic in origin. This conclusion is corroborated by correlation between sequence boundaries and unconformities in New Zealand. The resulting long-term curve suggests that sea level ranged from about 75-110 m in the Late Cretaceous, reached a maximum of about 150 m in the Early Eocene and fell to zero in the Miocene. The Late Cretaceous long-term (107 years) magnitude is about 100-150 m less than sea level predicted from ocean volume. This discrepancy can be reconciled by assuming that dynamic topography in New Jersey was driven by North America overriding the subducted Farallon plate. However, geodynamic models of this effect do not resolve the problem in that they require Eocene sea level to be significantly higher in the New Jersey region than the global average. ?? 2008 The Authors. Journal compilation ?? 2008 Blackwell Publishing.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Basin Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1365-2117.2008.00354.x","issn":"0950091X","usgsCitation":"Kominz, M., Browning, J., Miller, K., Sugarman, P.J., Mizintseva, S., and Scotese, C., 2008, Late Cretaceous to Miocene sea-level estimates from the New Jersey and Delaware coastal plain coreholes: An error analysis: Basin Research, v. 20, no. 2, p. 211-226, https://doi.org/10.1111/j.1365-2117.2008.00354.x.","startPage":"211","endPage":"226","numberOfPages":"16","costCenters":[],"links":[{"id":214997,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1365-2117.2008.00354.x"},{"id":242761,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"20","issue":"2","noUsgsAuthors":false,"publicationDate":"2008-04-02","publicationStatus":"PW","scienceBaseUri":"505a44dbe4b0c8380cd66e4b","contributors":{"authors":[{"text":"Kominz, M.A.","contributorId":107471,"corporation":false,"usgs":true,"family":"Kominz","given":"M.A.","email":"","affiliations":[],"preferred":false,"id":434263,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Browning, J.V.","contributorId":18889,"corporation":false,"usgs":true,"family":"Browning","given":"J.V.","email":"","affiliations":[],"preferred":false,"id":434260,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Miller, K.G.","contributorId":18094,"corporation":false,"usgs":true,"family":"Miller","given":"K.G.","email":"","affiliations":[],"preferred":false,"id":434259,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Sugarman, P. J.","contributorId":81154,"corporation":false,"usgs":true,"family":"Sugarman","given":"P.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":434262,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Mizintseva, S.","contributorId":80102,"corporation":false,"usgs":true,"family":"Mizintseva","given":"S.","affiliations":[],"preferred":false,"id":434261,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Scotese, C.R.","contributorId":16138,"corporation":false,"usgs":true,"family":"Scotese","given":"C.R.","affiliations":[],"preferred":false,"id":434258,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70031729,"text":"70031729 - 2008 - Monitoring volcanic threats using ASTER satellite data","interactions":[],"lastModifiedDate":"2022-05-18T14:51:15.29859","indexId":"70031729","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Monitoring volcanic threats using ASTER satellite data","docAbstract":"This document summarizes ongoing activities associated with a research project funded by the national aeronautics and space administration (NASA) focusing on volcanic change detection through the use of satellite imagery. This work includes systems development as well as improvements in data analysis methods. Participating organizations include the NASA land processes distributed active archive center (LP DAAC) at the U.S. geological survey (USGS) center for earth resources observation and science (EROS), the Advanced spaceborne thermal emission and reflection radiometer (ASTER) science team, the Alaska volcano observatory (AVO) at the USGS Alaska science center, the jet propulsion laboratory/California Institute of Technology (JPL/CalTech), the University of Pittsburgh, and the University of Alaska Fairbanks.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"International Geoscience and Remote Sensing Symposium (IGARSS)","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"2007 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2007","conferenceDate":"Jun 23-28, 2007","conferenceLocation":"Barcelona, Spain","language":"English","publisher":"IEEE","doi":"10.1109/IGARSS.2007.4423900","usgsCitation":"Duda, K.A., Wessels, R., Ramsey, M., and Dehn, J., 2008, Monitoring volcanic threats using ASTER satellite data, in International Geoscience and Remote Sensing Symposium (IGARSS), Barcelona, Spain, Jun 23-28, 2007, p. 4669-4670, https://doi.org/10.1109/IGARSS.2007.4423900.","productDescription":"2 p.","startPage":"4669","endPage":"4670","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":240048,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a5dfce4b0c8380cd7071f","contributors":{"authors":[{"text":"Duda, K. A.","contributorId":88560,"corporation":false,"usgs":true,"family":"Duda","given":"K.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":432891,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wessels, R. 0000-0001-9711-6402","orcid":"https://orcid.org/0000-0001-9711-6402","contributorId":33924,"corporation":false,"usgs":true,"family":"Wessels","given":"R.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":false,"id":432889,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ramsey, M.","contributorId":105124,"corporation":false,"usgs":true,"family":"Ramsey","given":"M.","email":"","affiliations":[],"preferred":false,"id":432892,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Dehn, J.","contributorId":36731,"corporation":false,"usgs":true,"family":"Dehn","given":"J.","email":"","affiliations":[],"preferred":false,"id":432890,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70032203,"text":"70032203 - 2008 - The effect of variations in relative spectral response on the retrieval of land surface parameters from multiple sources of remotely sensed imagery","interactions":[],"lastModifiedDate":"2022-05-18T14:44:49.389973","indexId":"70032203","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"The effect of variations in relative spectral response on the retrieval of land surface parameters from multiple sources of remotely sensed imagery","docAbstract":"The idea for Landslides and Engineering Geology of the Seattle, Washington, Areagrew out of a major landslide disaster that occurred in the Puget Sound region at the beginning of 1997. Unusually heavy snowfall in late December 1996 followed by warm, intense rainfall on 31 December through 2 January 1997 produced hundreds of damaging landslides in communities surrounding Puget Sound. This disaster resulted in significant efforts of the local geotechnical community and local governments to repair the damage and to mitigate the effects of future landslides. The magnitude of the disaster attracted the attention of the U.S. Geological Survey (USGS), which was just beginning a large multihazards project for Puget Sound. The USGS immediately added a regional study of landslides to that project. Soon a partnership formed between the City of Seattle and the USGS to assess landslide hazards of Seattle.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Landslides and engineering geology of the Seattle, Washington, area","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Geological Society of America","publisherLocation":"Boulder, CO","doi":"10.1130/978-0-8137-4120-8-20.0.v","usgsCitation":"Baum, R.L., Godt, J.W., and Highland, L.M., 2008, Preface, chap. of Landslides and engineering geology of the Seattle, Washington, area: Reviews in Engineering Geology, v. 20, p. v-v, https://doi.org/10.1130/978-0-8137-4120-8-20.0.v.","productDescription":"1 p.","startPage":"v","endPage":"v","numberOfPages":"1","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-003729","costCenters":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"links":[{"id":275276,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"20","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"51efa5f5e4b0b09fbe58f1cd","contributors":{"authors":[{"text":"Baum, Rex L. 0000-0001-5337-1970 baum@usgs.gov","orcid":"https://orcid.org/0000-0001-5337-1970","contributorId":1288,"corporation":false,"usgs":true,"family":"Baum","given":"Rex","email":"baum@usgs.gov","middleInitial":"L.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":476981,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Godt, Jonathan W. 0000-0002-8737-2493 jgodt@usgs.gov","orcid":"https://orcid.org/0000-0002-8737-2493","contributorId":1166,"corporation":false,"usgs":true,"family":"Godt","given":"Jonathan","email":"jgodt@usgs.gov","middleInitial":"W.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true},{"id":508,"text":"Office of the AD Hazards","active":true,"usgs":true}],"preferred":true,"id":476980,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Highland, Lynn M. highland@usgs.gov","contributorId":1292,"corporation":false,"usgs":true,"family":"Highland","given":"Lynn","email":"highland@usgs.gov","middleInitial":"M.","affiliations":[],"preferred":true,"id":476982,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70031882,"text":"70031882 - 2008 - Distribution and spawning dynamics of capelin (Mallotus villosus) in Glacier Bay, Alaska: A cold water refugium","interactions":[],"lastModifiedDate":"2018-04-04T11:22:04","indexId":"70031882","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1660,"text":"Fisheries Oceanography","active":true,"publicationSubtype":{"id":10}},"title":"Distribution and spawning dynamics of capelin (Mallotus villosus) in Glacier Bay, Alaska: A cold water refugium","docAbstract":"Pacific capelin (Mallotus villosus) populations declined dramatically in the Northeastern Pacific following ocean warming after the regime shift of 1977, but little is known about the cause of the decline or the functional relationships between capelin and their environment. We assessed the distribution and abundance of spawning, non-spawning adult and larval capelin in Glacier Bay, an estuarine fjord system in southeastern Alaska. We used principal components analysis to analyze midwater trawl and beach seine data collected between 1999 and 2004 with respect to oceanographic data and other measures of physical habitat including proximity to tidewater glaciers and potential spawning habitat. Both spawning and non-spawning adult Pacific capelin were more likely to occur in areas closest to tidewater glaciers, and those areas were distinguished by lower temperature, higher turbidity, higher dissolved oxygen and lower chlorophyll a levels when compared with other areas of the bay. The distribution of larval Pacific capelin was not sensitive to glacial influence. Pre-spawning females collected farther from tidewater glaciers were at a lower maturity state than those sampled closer to tidewater glaciers, and the geographic variation in the onset of spawning is likely the result of differences in the marine habitat among sub-areas of Glacier Bay. Proximity to cold water in Glacier Bay may have provided a refuge for capelin during the recent warm years in the Gulf of Alaska.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Fisheries Oceanography","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1365-2419.2008.00470.x","issn":"10546006","usgsCitation":"Arimitsu, M.L., Piatt, J.F., Litzow, M.A., Abookire, A.A., Romano, M.D., and Robards, M.D., 2008, Distribution and spawning dynamics of capelin (Mallotus villosus) in Glacier Bay, Alaska: A cold water refugium: Fisheries Oceanography, v. 17, no. 2, p. 137-146, https://doi.org/10.1111/j.1365-2419.2008.00470.x.","startPage":"137","endPage":"146","numberOfPages":"10","costCenters":[],"links":[{"id":242452,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":214704,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1365-2419.2008.00470.x"}],"volume":"17","issue":"2","noUsgsAuthors":false,"publicationDate":"2008-03-27","publicationStatus":"PW","scienceBaseUri":"505a02a3e4b0c8380cd5013e","contributors":{"authors":[{"text":"Arimitsu, Mayumi L. 0000-0001-6982-2238 marimitsu@usgs.gov","orcid":"https://orcid.org/0000-0001-6982-2238","contributorId":140501,"corporation":false,"usgs":true,"family":"Arimitsu","given":"Mayumi","email":"marimitsu@usgs.gov","middleInitial":"L.","affiliations":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":433570,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Piatt, John F. 0000-0002-4417-5748 jpiatt@usgs.gov","orcid":"https://orcid.org/0000-0002-4417-5748","contributorId":3025,"corporation":false,"usgs":true,"family":"Piatt","given":"John","email":"jpiatt@usgs.gov","middleInitial":"F.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":433573,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Litzow, Michael A.","contributorId":8789,"corporation":false,"usgs":true,"family":"Litzow","given":"Michael","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":433569,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Abookire, Alisa A.","contributorId":107224,"corporation":false,"usgs":true,"family":"Abookire","given":"Alisa","email":"","middleInitial":"A.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":false,"id":433574,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Romano, Marc D.","contributorId":73528,"corporation":false,"usgs":true,"family":"Romano","given":"Marc","email":"","middleInitial":"D.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":false,"id":433572,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Robards, Martin D.","contributorId":40148,"corporation":false,"usgs":false,"family":"Robards","given":"Martin","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":433571,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70156462,"text":"70156462 - 2008 - Boulder Creek: A stream ecosystem in an urban landscape","interactions":[],"lastModifiedDate":"2021-10-28T16:36:40.70159","indexId":"70156462","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Boulder Creek: A stream ecosystem in an urban landscape","docAbstract":"The Boulder Creek Watershed, within the Front Range region of Colorado, is typical of many western watersheds because it is composed of a high-gradient upper reach mostly fed by snowmelt, a substantial change in gradient at the range front, and an urban corridor within the lower gradient section. A stream ecosystem within an urban landscape not only can provide water for municipal, industrial, and agricultural needs, but also can be utilized for recreation, esthetic enjoyment, and wastewater disposal. The purpose of this 26 km bicycle field trip is to explore the hydrology and geochemistry of Boulder and South Boulder Creeks and to discuss topics including flood frequency and hazards, aqueous geochemistry of the watershed, and potential impacts of invasive species and emerging contaminants on stream ecology.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Roaming the Rocky Mountains and environs: Geological field trips","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Geological Society of America","publisherLocation":"Boulder, CO","usgsCitation":"Verplanck, P.L., Murphy, S.F., Birkeland, P.W., Pitlick, Barber, L.B., and Schmidt, T., 2008, Boulder Creek: A stream ecosystem in an urban landscape, chap. of Roaming the Rocky Mountains and environs: Geological field trips, p. 217-233.","productDescription":"16 p.","startPage":"217","endPage":"233","numberOfPages":"16","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-003636","costCenters":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":307168,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Colorado","otherGeospatial":"Boulder Creek watershed","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -105.35751342773438,\n 39.95764876954889\n ],\n [\n -105.15838623046875,\n 39.95764876954889\n ],\n [\n -105.15838623046875,\n 40.163132874122084\n ],\n [\n -105.35751342773438,\n 40.163132874122084\n ],\n [\n -105.35751342773438,\n 39.95764876954889\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57fe882ae4b0824b2d149e1b","contributors":{"editors":[{"text":"Raynolds, Robert G.H.","contributorId":70814,"corporation":false,"usgs":true,"family":"Raynolds","given":"Robert","email":"","middleInitial":"G.H.","affiliations":[],"preferred":false,"id":569241,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"Verplanck, Philip L. 0000-0002-3653-6419 plv@usgs.gov","orcid":"https://orcid.org/0000-0002-3653-6419","contributorId":728,"corporation":false,"usgs":true,"family":"Verplanck","given":"Philip","email":"plv@usgs.gov","middleInitial":"L.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":569235,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Murphy, Sheila F. 0000-0002-5481-3635 sfmurphy@usgs.gov","orcid":"https://orcid.org/0000-0002-5481-3635","contributorId":1854,"corporation":false,"usgs":true,"family":"Murphy","given":"Sheila","email":"sfmurphy@usgs.gov","middleInitial":"F.","affiliations":[{"id":5044,"text":"National Research Program - 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Darters (Etheostoma spp.) are typically short-lived and exhibit rapid growth that quickly decreases with age. Consequently, estimating age of darters from length-frequency distributions can be difficult and subjective. We used a nonparametric kernel density estimator to reduce subjectivity in estimating ages of bluemask darters. Data were collected from a total of 2926 bluemask darters from the Collins River throughout three growing seasons. Additionally, data were collected from 842 bluemask darters from the Rocky River during one growing season. Analysis of length-frequencies indicated the presence of four age classes in both rivers. In each river, the majority of the population was comprised of fish <3 y old. Some age-one individuals were sexually mature, but the majority of the reproductive population was comprised of older fish. Differences in age-class structure among years reflected variable year-class strength in the Collins River that seemed related to summer discharge. Male and female growth rates differed significantly (P < 0.05); males were typically larger than females of the same age after the first growing season and the majority of age-three individuals were males. Growth rates in the Collins and Rocky Rivers were similar for each sex (P > 0.05). In both rivers, females were more abundant than males.
","language":"English","publisher":"BioOne","doi":"10.1674/0003-0031(2008)160[300:ASAVOT]2.0.CO;2","usgsCitation":"Simmons, J., Layzer, J.B., and Smith, D., 2008, Age-class structure and variability of two populations of the bluemask darter etheostoma (Doration) sp.: American Midland Naturalist, v. 160, no. 2, p. 300-309, https://doi.org/10.1674/0003-0031(2008)160[300:ASAVOT]2.0.CO;2.","productDescription":"10 p.","startPage":"300","endPage":"309","numberOfPages":"10","costCenters":[],"links":[{"id":242029,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Tennessee","otherGeospatial":"Caney Fork, Cumberland River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -85.77781677246094,\n 35.88626858855547\n ],\n [\n -85.60684204101562,\n 35.88626858855547\n ],\n [\n -85.60684204101562,\n 35.97800618085566\n ],\n [\n -85.77781677246094,\n 35.97800618085566\n ],\n [\n -85.77781677246094,\n 35.88626858855547\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"160","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e8fde4b0c8380cd48010","contributors":{"authors":[{"text":"Simmons, J.W.","contributorId":93715,"corporation":false,"usgs":true,"family":"Simmons","given":"J.W.","email":"","affiliations":[],"preferred":false,"id":442051,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Layzer, James B. jim_layzer@usgs.gov","contributorId":1917,"corporation":false,"usgs":true,"family":"Layzer","given":"James","email":"jim_layzer@usgs.gov","middleInitial":"B.","affiliations":[],"preferred":true,"id":442049,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Smith, D.D.","contributorId":85539,"corporation":false,"usgs":true,"family":"Smith","given":"D.D.","email":"","affiliations":[],"preferred":false,"id":442050,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70164325,"text":"70164325 - 2008 - Emergence of functional responses from interactions of individuals","interactions":[],"lastModifiedDate":"2016-12-29T11:27:28","indexId":"70164325","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3679,"text":"Verhandlungen der Internationalen Vereinigung fur Theoretische und Angewandte Limnologie","active":true,"publicationSubtype":{"id":10}},"title":"Emergence of functional responses from interactions of individuals","docAbstract":"No abstract available.
","language":"German","publisher":"E. Schweizerbart'sche verlagsbuchhandlung","publisherLocation":"Stuttgart, Germany","usgsCitation":"DeAngelis, D., Ju, S., and Holland, J.N., 2008, Emergence of functional responses from interactions of individuals: Verhandlungen der Internationalen Vereinigung fur Theoretische und Angewandte Limnologie, v. 30, no. 2, p. 272-274.","productDescription":"3 p.","startPage":"272","endPage":"274","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":566,"text":"Southeast Ecological Science Center","active":true,"usgs":true}],"links":[{"id":316379,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"30","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56b08fc6e4b010e2af2a5d49","contributors":{"authors":[{"text":"DeAngelis, Donald L. 0000-0002-1570-4057 don_deangelis@usgs.gov","orcid":"https://orcid.org/0000-0002-1570-4057","contributorId":147289,"corporation":false,"usgs":true,"family":"DeAngelis","given":"Donald L.","email":"don_deangelis@usgs.gov","affiliations":[{"id":566,"text":"Southeast Ecological Science Center","active":true,"usgs":true}],"preferred":false,"id":597024,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ju, Shu","contributorId":105844,"corporation":false,"usgs":true,"family":"Ju","given":"Shu","affiliations":[],"preferred":false,"id":597025,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Holland, J. 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Carmel in southeastern Illinois on Friday morning, 18 April 2008 at 09:36:59 UTC (04:37 CDT). The Mw 5.2 earthquake was felt over an area that spanned Chicago and Atlanta, with about 40,000 reports submitted to the U.S. Geological Survey (USGS) “Did You Feel It?” system. There were at least six felt aftershocks greater than magnitude 3 and 20 aftershocks with magnitudes greater than 2 located by regional and national seismic networks. Portable instrumentation was deployed by researchers of the University of Memphis and Indiana University (the first portable station was installed at about 23:00 UTC on 18 April). The portable seismographs were deployed both to capture near-source, high-frequency ground motions for significant aftershocks and to better understand structure along the active fault. The previous similar-size earthquake within the Wabash Valley seismic zone (WVSZ) of southeastern Illinois and southwestern Indiana was a magnitude 5.0 in June 1987. The seismicity associated with the WVSZ is thought to occur in a complex horst and graben system of Precambrian igneous and metamorphic units at depths between 12 and 20 km. Paleoliquefaction evidence suggests several major shaking events have occurred within the past 12,000 years (Munson et al. 1997).","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Seismological Research Letters","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Seismological Research Letters","publisherLocation":"El Cerrito, CA","doi":"10.1785/gssrl.79.6.830","issn":"08950","usgsCitation":"Herrmann, R., Withers, M., and Benz, H., 2008, The April 18, 2008 Illinois earthquake: an ANSS monitoring success: Seismological Research Letters, v. 79, no. 6, p. 830-843, https://doi.org/10.1785/gssrl.79.6.830.","productDescription":"14 p.","startPage":"830","endPage":"843","costCenters":[{"id":415,"text":"National Earthquake Information Center","active":false,"usgs":true}],"links":[{"id":214456,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1785/gssrl.79.6.830"},{"id":242184,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Illinois","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -91.5,37.0 ], [ -91.5,42.5 ], [ -87.5,42.5 ], [ -87.5,37.0 ], [ -91.5,37.0 ] ] ] } } ] }","volume":"79","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505ba687e4b08c986b3211ab","contributors":{"authors":[{"text":"Herrmann, Robert B.","contributorId":80255,"corporation":false,"usgs":false,"family":"Herrmann","given":"Robert B.","affiliations":[],"preferred":false,"id":441220,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Withers, M.","contributorId":27667,"corporation":false,"usgs":true,"family":"Withers","given":"M.","email":"","affiliations":[],"preferred":false,"id":441218,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Benz, H.","contributorId":61953,"corporation":false,"usgs":true,"family":"Benz","given":"H.","email":"","affiliations":[],"preferred":false,"id":441219,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70010291,"text":"70010291 - 2008 - Exploration maturity key to ranking search areas","interactions":[],"lastModifiedDate":"2018-10-18T14:32:19","indexId":"70010291","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2941,"text":"Oil & Gas Journal","printIssn":"0030-1388","active":true,"publicationSubtype":{"id":10}},"title":"Exploration maturity key to ranking search areas","docAbstract":"The study area of US Geological Survey Circular 1288, the world outside the US and Canada, was partitioned into 44 countries and country groups. Map figures such as Fig. 2 and graphs similar to Figs. 3 and 4 provide a visual summary of maturity of oil and gas exploration. From 1992 through 2001, exploration data show that in the study area the delineated prospective area expanded at a rate of about 50,000 sq miles/year, while the explored area grew at a rate of 11,000 sq miles/year. The delineated prospective area established by 1970 accounts for less than 40% of total delineated prospective area but contains 75% of the oil discovered to date in the study area. From 1991 through 2000, offshore discoveries accounted for 59% of the oil and 77% of the gas discovered in the study area.","language":"English","publisher":"PennWell Corporation","publisherLocation":"Tulsa, OK","usgsCitation":"Attanasi, E.D., and Freeman, P., 2008, Exploration maturity key to ranking search areas: Oil & Gas Journal, v. 106, no. 11, HTML Document .","productDescription":"HTML Document ","costCenters":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true},{"id":255,"text":"Energy Resources Program","active":true,"usgs":true}],"links":[{"id":351770,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.ogj.com/articles/print/volume-106/issue-11/exploration-development/exploration-maturity-key-to-ranking-search-areas.html"},{"id":219138,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"106","issue":"11","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0e15e4b0c8380cd532c1","contributors":{"authors":[{"text":"Attanasi, Emil D. 0000-0001-6845-7160 attanasi@usgs.gov","orcid":"https://orcid.org/0000-0001-6845-7160","contributorId":193092,"corporation":false,"usgs":true,"family":"Attanasi","given":"Emil","email":"attanasi@usgs.gov","middleInitial":"D.","affiliations":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":358534,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Freeman, Philip A. 0000-0002-0863-7431 pfreeman@usgs.gov","orcid":"https://orcid.org/0000-0002-0863-7431","contributorId":193093,"corporation":false,"usgs":true,"family":"Freeman","given":"Philip A.","email":"pfreeman@usgs.gov","affiliations":[{"id":255,"text":"Energy Resources Program","active":true,"usgs":true}],"preferred":true,"id":358533,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70032106,"text":"70032106 - 2008 - Macrophyte decomposition in a surface-flow ammonia-dominated constructed wetland: Rates associated with environmental and biotic variables","interactions":[],"lastModifiedDate":"2012-03-12T17:21:27","indexId":"70032106","displayToPublicDate":"2008-01-01T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1454,"text":"Ecological Engineering","active":true,"publicationSubtype":{"id":10}},"title":"Macrophyte decomposition in a surface-flow ammonia-dominated constructed wetland: Rates associated with environmental and biotic variables","docAbstract":"Decomposition of senesced culm material of two bulrush species was studied in a surface-flow ammonia-dominated treatment wetland in southern California. Decomposition of the submerged culm material during summer months was relatively rapid (k = 0.037 day-1), but slowed under extended submergence (up to 245 days) and during fall and spring sampling periods (k = 0.009-0.014 day-1). Stepwise regression of seasonal data indicated that final water temperature and abundance of the culm-mining midge, Glyptotendipes, were significantly associated with culm decomposition. Glyptotendipes abundance, in turn, was correlated with water quality parameters such as conductivity and dissolved oxygen and ammonia concentrations. No differences were detected in decomposition rates between the bulrush species, Schoenoplectus californicus and Schoenoplectus acutus.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ecological Engineering","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.ecoleng.2007.12.003","issn":"09258574","usgsCitation":"Thullen, J., Nelson, S.M., Cade, B., and Sartoris, J., 2008, Macrophyte decomposition in a surface-flow ammonia-dominated constructed wetland: Rates associated with environmental and biotic variables: Ecological Engineering, v. 32, no. 3, p. 281-290, https://doi.org/10.1016/j.ecoleng.2007.12.003.","startPage":"281","endPage":"290","numberOfPages":"10","costCenters":[],"links":[{"id":242795,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215029,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.ecoleng.2007.12.003"}],"volume":"32","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a4b22e4b0c8380cd692f8","contributors":{"authors":[{"text":"Thullen, J.S.","contributorId":16361,"corporation":false,"usgs":true,"family":"Thullen","given":"J.S.","email":"","affiliations":[],"preferred":false,"id":434570,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nelson, S. 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