Interpretation of sidescan-sonar imagery provides evidence that down-slope gravity-driven movement of the nepheloid layer constitutes an important mode of transporting sediment into the basins of north-central Long Island Sound, a major US East Coast estuary. In the Western Basin, this transport mechanism has formed dendritic drainage systems characterized by branching patterns of low backscatter on the seafloor that exceed 7.4 km in length and progressively widen down-slope, reaching widths of over 0.6 km at their southern distal ends. Although much smaller, dendritic patterns of similar morphology are also present in the northwestern part of the Central Basin. Because many contaminants display affinities for adsorption onto fine-grained sediments, and because the Sound is affected by seasonal hypoxia, mechanisms and dispersal pathways by which inorganic and organic sediments are remobilized and transported impact the eventual fate of the contaminants and environmental health of the estuary.
","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geo-Marine Letters","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1007/s00367-008-0118-2","issn":"02760460","usgsCitation":"Poppe, L., McMullen, K., Williams, S., Crocker, J., and Doran, E.F., 2008, Estuarine sediment transport by gravity-driven movement of the nepheloid layer, Long Island Sound: Geo-Marine Letters, v. 28, no. 4, p. 245-254, https://doi.org/10.1007/s00367-008-0118-2.","productDescription":"10 p.","startPage":"245","endPage":"254","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":203439,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Connecticut, Massachussetts, New York","otherGeospatial":"Long Island Sound","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -73.927001953125,\n 40.93426521177941\n ],\n [\n -71.96868896484375,\n 40.93426521177941\n ],\n [\n -71.96868896484375,\n 41.325263743947616\n ],\n [\n -73.927001953125,\n 41.325263743947616\n ],\n [\n -73.927001953125,\n 40.93426521177941\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"28","issue":"4","noUsgsAuthors":false,"publicationDate":"2008-07-09","publicationStatus":"PW","scienceBaseUri":"4f4e4a0ae4b07f02db5fb181","contributors":{"authors":[{"text":"Poppe, L.J.","contributorId":72782,"corporation":false,"usgs":true,"family":"Poppe","given":"L.J.","affiliations":[],"preferred":false,"id":345271,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McMullen, K.Y.","contributorId":51857,"corporation":false,"usgs":true,"family":"McMullen","given":"K.Y.","email":"","affiliations":[],"preferred":false,"id":345270,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Williams, S.J.","contributorId":85203,"corporation":false,"usgs":true,"family":"Williams","given":"S.J.","email":"","affiliations":[],"preferred":false,"id":345272,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Crocker, J.M.","contributorId":6152,"corporation":false,"usgs":true,"family":"Crocker","given":"J.M.","email":"","affiliations":[],"preferred":false,"id":345268,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Doran, E. F.","contributorId":31066,"corporation":false,"usgs":true,"family":"Doran","given":"E.","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":345269,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70000185,"text":"70000185 - 2008 - 50,000 years of vegetation and climate history on the Colorado Plateau, Utah and Arizona, USA","interactions":[],"lastModifiedDate":"2015-04-01T10:37:44","indexId":"70000185","displayToPublicDate":"2010-09-28T23:09:25","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3218,"text":"Quaternary Research","active":true,"publicationSubtype":{"id":10}},"title":"50,000 years of vegetation and climate history on the Colorado Plateau, Utah and Arizona, USA","docAbstract":"Sixty packrat middens were collected in Canyonlands and Grand Canyon National Parks, and these series include sites north of areas that produced previous detailed series from the Colorado Plateau. The exceptionally long time series obtained from each of three sites (> 48,000 14C yr BP to present) include some of the oldest middens yet discovered. Most middens contain a typical late-Wisconsinan glaciation mixture of mesic and xeric taxa, evidence that plant species responded to climate change by range adjustments of elevational distribution based on individual criteria. Differences in elevational range from today for trees and shrubs ranged from no apparent change to as much as 1200 m difference. The oldest middens from Canyonlands NP, however, differ in containing strictly xeric assemblages, including middens incorporating needles of Arizona single-leaf pinyon, far north of its current distribution. Similar-aged middens from the eastern end of Grand Canyon NP contain plants more typical of glacial climates, but also contain fossils of one-seed juniper near its current northern limit in Arizona. Holocene middens reveal the development of modern vegetation assemblages on the Colorado Plateau, recording departures of mesic taxa from low elevation sites, and the arrival of modern dominant components much later.
","language":"English","doi":"10.1016/j.yqres.2008.04.006","issn":"00335894","usgsCitation":"Coats, L.L., Cole, K.L., and Mead, J.I., 2008, 50,000 years of vegetation and climate history on the Colorado Plateau, Utah and Arizona, USA: Quaternary Research, v. 70, no. 2, p. 322-338, https://doi.org/10.1016/j.yqres.2008.04.006.","productDescription":"17 p.","startPage":"322","endPage":"338","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":203391,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":18714,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.yqres.2008.04.006"}],"country":"United States","state":"Arizona, Utah","otherGeospatial":"Canyonlands Park, Grand Canyon National Park","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -112.69775390625,\n 35.746512259918504\n ],\n [\n -112.69775390625,\n 36.90597988519294\n ],\n [\n -111.51123046875,\n 36.90597988519294\n ],\n [\n -111.51123046875,\n 35.746512259918504\n ],\n [\n -112.69775390625,\n 35.746512259918504\n ]\n ]\n ]\n }\n },\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -110.2642822265625,\n 37.88569271818349\n ],\n [\n -110.2642822265625,\n 38.4514377951069\n ],\n [\n -109.47601318359375,\n 38.4514377951069\n ],\n [\n -109.47601318359375,\n 37.88569271818349\n ],\n [\n -110.2642822265625,\n 37.88569271818349\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"70","issue":"2","noUsgsAuthors":false,"publicationDate":"2017-01-20","publicationStatus":"PW","scienceBaseUri":"554200ace4b0a658d793b285","contributors":{"authors":[{"text":"Coats, Larry L.","contributorId":72504,"corporation":false,"usgs":true,"family":"Coats","given":"Larry","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":345068,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cole, Kenneth L.","contributorId":48533,"corporation":false,"usgs":true,"family":"Cole","given":"Kenneth","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":345070,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mead, Jim I.","contributorId":87067,"corporation":false,"usgs":true,"family":"Mead","given":"Jim","email":"","middleInitial":"I.","affiliations":[],"preferred":false,"id":345069,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70000246,"text":"70000246 - 2008 - Warming of the Indian Ocean threatens eastern and southern African food security but could be mitigated by agricultural development","interactions":[],"lastModifiedDate":"2018-02-21T14:18:10","indexId":"70000246","displayToPublicDate":"2010-09-28T23:09:25","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3165,"text":"Proceedings of the National Academy of Sciences of the United States of America","active":true,"publicationSubtype":{"id":10}},"title":"Warming of the Indian Ocean threatens eastern and southern African food security but could be mitigated by agricultural development","docAbstract":"Since 1980, the number of undernourished people in eastern and southern Africa has more than doubled. Rural development stalled and rural poverty expanded during the 1990s. Population growth remains very high, and declining per-capita agricultural capacity retards progress toward Millennium Development goals. Analyses of in situ station data and satellite observations of precipitation have identified another problematic trend: main growing-season rainfall receipts have diminished by ???15% in food-insecure countries clustered along the western rim of the Indian Ocean. Occurring during the main growing seasons in poor countries dependent on rain-fed agriculture, these declines are societally dangerous. Will they persist or intensify? Tracing moisture deficits upstream to an anthropogenically warming Indian Ocean leads us to conclude that further rainfall declines are likely. We present analyses suggesting that warming in the central Indian Ocean disrupts onshore moisture transports, reducing continental rainfall. Thus, late 20th-century anthropogenic Indian Ocean warming has probably already produced societally dangerous climate change by creating drought and social disruption in some of the world's most fragile food economies. We quantify the potential impacts of the observed precipitation and agricultural capacity trends by modeling 'millions of undernourished people' as a function of rainfall, population, cultivated area, seed, and fertilizer use. Persistence of current tendencies may result in a 50% increase in undernourished people by 2030. On the other hand, modest increases in per-capita agricultural productivity could more than offset the observed precipitation declines. Investing in agricultural development can help mitigate climate change while decreasing rural poverty and vulnerability. ?? 2008 by The National Academy of Sciences of the USA.","language":"English","publisher":"PNAS","doi":"10.1073/pnas.0708196105","issn":"00278424","usgsCitation":"Funk, C., Dettinger, M., Michaelsen, J.C., Verdin, J.P., Brown, M.E., Barlow, M., and Hoell, A., 2008, Warming of the Indian Ocean threatens eastern and southern African food security but could be mitigated by agricultural development: Proceedings of the National Academy of Sciences of the United States of America, v. 105, no. 32, p. 11081-11086, https://doi.org/10.1073/pnas.0708196105.","productDescription":"6 p.","startPage":"11081","endPage":"11086","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":476480,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://www.ncbi.nlm.nih.gov/pmc/articles/2497460","text":"External Repository"},{"id":203630,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":18744,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1073/pnas.0708196105"}],"volume":"105","issue":"32","noUsgsAuthors":false,"publicationDate":"2008-08-12","publicationStatus":"PW","scienceBaseUri":"4f4e4a0de4b07f02db5fd49c","contributors":{"authors":[{"text":"Funk, Chris C. 0000-0002-9254-6718","orcid":"https://orcid.org/0000-0002-9254-6718","contributorId":62142,"corporation":false,"usgs":true,"family":"Funk","given":"Chris C.","affiliations":[],"preferred":false,"id":345220,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dettinger, Michael D. 0000-0002-7509-7332 mddettin@usgs.gov","orcid":"https://orcid.org/0000-0002-7509-7332","contributorId":146383,"corporation":false,"usgs":true,"family":"Dettinger","given":"Michael D.","email":"mddettin@usgs.gov","affiliations":[],"preferred":false,"id":345221,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Michaelsen, Joel C.","contributorId":91790,"corporation":false,"usgs":true,"family":"Michaelsen","given":"Joel","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":345223,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Verdin, James P. 0000-0003-0238-9657 verdin@usgs.gov","orcid":"https://orcid.org/0000-0003-0238-9657","contributorId":720,"corporation":false,"usgs":true,"family":"Verdin","given":"James","email":"verdin@usgs.gov","middleInitial":"P.","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":false,"id":345219,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Brown, Molly E.","contributorId":62490,"corporation":false,"usgs":true,"family":"Brown","given":"Molly","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":345222,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Barlow, Mathew","contributorId":145834,"corporation":false,"usgs":false,"family":"Barlow","given":"Mathew","affiliations":[{"id":16250,"text":"University of Massechusetts, Lowell","active":true,"usgs":false}],"preferred":false,"id":345224,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Hoell, Andrew","contributorId":145803,"corporation":false,"usgs":false,"family":"Hoell","given":"Andrew","affiliations":[{"id":16236,"text":"UCSB Climate Hazards Group","active":true,"usgs":false}],"preferred":false,"id":345225,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70000290,"text":"70000290 - 2008 - Structure of the eastern Seattle fault zone, Washington state: New insights from seismic reflection data","interactions":[],"lastModifiedDate":"2012-03-08T17:16:35","indexId":"70000290","displayToPublicDate":"2010-09-28T23:09:25","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1135,"text":"Bulletin of the Seismological Society of America","onlineIssn":"1943-3573","printIssn":"0037-1106","active":true,"publicationSubtype":{"id":10}},"title":"Structure of the eastern Seattle fault zone, Washington state: New insights from seismic reflection data","docAbstract":"We identify and characterize the active Seattle fault zone (SFZ) east of Lake Washington with newly acquired seismic reflection data. Our results focus on structures observed in the upper 1 km below the cities of Bellevue, Sammamish, Newcastle, and Fall City, Washington. The SFZ appears as a broad zone of faulting and folding at the southern boundary of the Seattle basin and north edge of the Seattle uplift. We interpret the Seattle fault as a thrust fault that accommodates north-south shortening by forming a fault-propagation fold with a forelimb breakthrough. The blind tip of the main fault forms a synclinal growth fold (deformation front) that extends at least 8 km east of Vasa Park (west side of Lake Sammamish) and defines the south edge of the Seattle basin. South of the deformation front is the forelimb break-through fault, which was exposed in a trench at Vasa Park. The Newcastle Hills anticline, a broad anticline forming the north part of the Seattle uplift east of Lake Washington, is interpreted to lie between the main blind strand of the Seattle fault and a backthrust. Our profiles, on the northern limb of this anticline, consistently image north-dipping strata. A structural model for the SFZ east of Lake Washington is consistent with about 8 km of slip on the upper part of the Seattle fault, but the amount of motion is only loosely constrained.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Bulletin of the Seismological Society of America","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1785/0120070145","issn":"00371106","usgsCitation":"Liberty, L., and Pratt, T.L., 2008, Structure of the eastern Seattle fault zone, Washington state: New insights from seismic reflection data: Bulletin of the Seismological Society of America, v. 98, no. 4, p. 1681-1695, https://doi.org/10.1785/0120070145.","startPage":"1681","endPage":"1695","costCenters":[],"links":[{"id":203398,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":18765,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1785/0120070145"}],"volume":"98","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b06e4b07f02db69a2bd","contributors":{"authors":[{"text":"Liberty, L.M.","contributorId":58749,"corporation":false,"usgs":true,"family":"Liberty","given":"L.M.","affiliations":[],"preferred":false,"id":345323,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pratt, T. L.","contributorId":53072,"corporation":false,"usgs":true,"family":"Pratt","given":"T.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":345322,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70000283,"text":"70000283 - 2008 - Mallard harvest distributions in the Mississippi and Central Flyways","interactions":[],"lastModifiedDate":"2012-03-08T17:16:33","indexId":"70000283","displayToPublicDate":"2010-09-28T23:09:25","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Mallard harvest distributions in the Mississippi and Central Flyways","docAbstract":"The mallard (Anas platyrhynchos) is the most harvested duck in North America. A topic of debate among hunters, especially those in Arkansas, USA, is whether wintering distributions of mallards have changed in recent years. We examined distributions of mallards in the Mississippi (MF) and Central Flyways during hunting seasons 1980-2003 to determine if and why harvest distributions changed. We used Geographic Information Systems to analyze spatial distributions of band recoveries and harvest estimated using data from the United States Fish and Wildlife Service Parts Collection Survey. Mean latitudes of band recoveries and harvest estimates showed no significant trends across the study period. Despite slight increases in band recoveries and harvest on the peripheries of kernel density estimates, most harvest occurred in eastern Arkansas and northwestern Mississippi, USA, in all years. We found no evidence for changes in the harvest distributions of mallards. We believe that the late 1990s were years of exceptionally high harvest in the lower MF and that slight shifts northward since 2000 reflect a return to harvest distributions similar to those of the early 1980s. Our results provide biologists with possible explanations to hunter concerns of fewer mallards available for harvest.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Wildlife Management","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.2193/2007-028","issn":"0022541X","usgsCitation":"Green, A., and Krementz, D., 2008, Mallard harvest distributions in the Mississippi and Central Flyways: Journal of Wildlife Management, v. 72, no. 6, p. 1328-1334, https://doi.org/10.2193/2007-028.","startPage":"1328","endPage":"1334","costCenters":[],"links":[{"id":203267,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":18759,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.2193/2007-028"}],"volume":"72","issue":"6","noUsgsAuthors":false,"publicationDate":"2010-12-13","publicationStatus":"PW","scienceBaseUri":"4f4e4a81e4b07f02db649fdb","contributors":{"authors":[{"text":"Green, A.W.","contributorId":34863,"corporation":false,"usgs":true,"family":"Green","given":"A.W.","affiliations":[],"preferred":false,"id":345287,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Krementz, D.G.","contributorId":74332,"corporation":false,"usgs":true,"family":"Krementz","given":"D.G.","affiliations":[],"preferred":false,"id":345288,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70000032,"text":"70000032 - 2008 - Methanogenic pathways of coal-bed gas in the Powder River Basin, United States: The geologic factor","interactions":[],"lastModifiedDate":"2012-03-08T17:16:33","indexId":"70000032","displayToPublicDate":"2010-09-28T23:09:23","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2033,"text":"International Journal of Coal Geology","active":true,"publicationSubtype":{"id":10}},"title":"Methanogenic pathways of coal-bed gas in the Powder River Basin, United States: The geologic factor","docAbstract":"Coal-bed gas of the Tertiary Fort Union and Wasatch Formations in the Powder River Basin in Wyoming and Montana, U.S. was interpreted as microbial in origin by previous studies based on limited data on the gas and water composition and isotopes associated with the coal beds. To fully evaluate the microbial origin of the gas and mechanisms of methane generation, additional data for 165 gas and water samples from 7 different coal-bed methane-bearing coal-bed reservoirs were collected basinwide and correlated to the coal geology and stratigraphy. The C1/(C2 + C3) ratio and vitrinite reflectance of coal and organic shale permitted differentiation between microbial gas and transitional thermogenic gas in the central part of the basin. Analyses of methane ??13C and ??D, carbon dioxide ??13C, and water ??D values indicate gas was generated primarily from microbial CO2 reduction, but with significant gas generated by microbial methyl-type fermentation (aceticlastic) in some areas of the basin. Microbial CO2 reduction occurs basinwide, but is generally dominant in Paleocene Fort Union Formation coals in the central part of the basin, whereas microbial methyl-type fermentation is common along the northwest and east margins. Isotopically light methane ??13C is distributed along the basin margins where ??D is also depleted, indicating that both CO2-reduction and methyl-type fermentation pathways played major roles in gas generation, but gas from the latter pathway overprinted gas from the former pathway. More specifically, along the northwest basin margin gas generation by methyl-type fermentation may have been stimulated by late-stage infiltration of groundwater recharge from clinker areas, which flowed through highly fractured and faulted coal aquifers. Also, groundwater recharge controlled a change in gas composition in the shallow Eocene Wasatch Formation with the increase of nitrogen and decrease of methane composition of the coal-bed gas. Other geologic factors, such as burial, thermal and maturation history, lateral and vertical continuity, and coalification of the coal beds, also played a significant role in controlling methanogenic pathways and provided new perspectives on gas evolution and emplacement. The early-stage gas produced by CO2 reduction has mixed with transitional thermogenic gas in the deeper, central parts of the Powder River Basin to form 'old' gas, whereas along the basin margins the overprint of gas from methyl-type fermentation represents 'new' gas. Thus, a clear understanding of these geologic factors is necessary to relate the microbiological, biogeochemical, and hydrological processes involved in the generation of coal-bed gas.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"International Journal of Coal Geology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.coal.2008.02.005","issn":"01665162","usgsCitation":"Flores, R.M., Rice, C.A., Stricker, G.D., Warden, A., and Ellis, M., 2008, Methanogenic pathways of coal-bed gas in the Powder River Basin, United States: The geologic factor: International Journal of Coal Geology, v. 76, no. 1-2, p. 52-75, https://doi.org/10.1016/j.coal.2008.02.005.","startPage":"52","endPage":"75","costCenters":[],"links":[{"id":18637,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.coal.2008.02.005"},{"id":203304,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"76","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4fe4b07f02db628805","contributors":{"authors":[{"text":"Flores, R. M.","contributorId":106899,"corporation":false,"usgs":true,"family":"Flores","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":344734,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rice, C. A.","contributorId":106116,"corporation":false,"usgs":true,"family":"Rice","given":"C.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":344733,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Stricker, G. D.","contributorId":38977,"corporation":false,"usgs":true,"family":"Stricker","given":"G.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":344730,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Warden, A.","contributorId":41946,"corporation":false,"usgs":true,"family":"Warden","given":"A.","email":"","affiliations":[],"preferred":false,"id":344731,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Ellis, M.S.","contributorId":64301,"corporation":false,"usgs":true,"family":"Ellis","given":"M.S.","email":"","affiliations":[],"preferred":false,"id":344732,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70000481,"text":"70000481 - 2008 - Use of landsat ETM+ SLC-off segment-based gap-filled imagery for crop type mapping","interactions":[],"lastModifiedDate":"2017-04-03T14:38:53","indexId":"70000481","displayToPublicDate":"2010-09-28T23:09:21","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1753,"text":"Geocarto International","active":true,"publicationSubtype":{"id":10}},"title":"Use of landsat ETM+ SLC-off segment-based gap-filled imagery for crop type mapping","docAbstract":"Failure of the Scan Line Corrector (SLC) on the Landsat ETM+ sensor has had a major impact on many applications that rely on continuous medium resolution imagery to meet their objectives. The United States Department of Agriculture (USDA) Cropland Data Layer (CDL) program uses Landsat imagery as the primary source of data to produce crop-specific maps for 20 states in the USA. A new method has been developed to fill the image gaps resulting from the SLC failure to support the needs of Landsat users who require coincident spectral data, such as for crop type mapping and monitoring. We tested the new gap-filled method for a CDL crop type mapping project in eastern Nebraska. Scan line gaps were simulated on two Landsat 5 images (spring and late summer 2003) and then gap-filled using landscape boundary models, or segment models, that were derived from 1992 and 2002 Landsat images (used in the gap-fill process). Various date combinations of original and gap-filled images were used to derive crop maps using a supervised classification process. Overall kappa values were slightly higher for crop maps derived from SLC-off gap-filled images compared to crop maps derived from the original imagery (0.3–1.3% higher). Although the age of the segment model used to derive the SLC-off gap-filled product did not negatively impact the overall agreement, differences in individual cover type agreement did increase (−0.8%–1.6% using the 2002 segment model to −5.0–5.1% using the 1992 segment model). Classification agreement also decreased for most of the classes as the size of the segment used in the gap-fill process increased.
","language":"English","publisher":"Taylor & Francis","doi":"10.1080/10106040701207399","issn":"10106049","usgsCitation":"Maxwell, S., and Craig, M., 2008, Use of landsat ETM+ SLC-off segment-based gap-filled imagery for crop type mapping: Geocarto International, v. 23, no. 3, p. 169-179, https://doi.org/10.1080/10106040701207399.","productDescription":"11 p.","startPage":"169","endPage":"179","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":203743,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":18895,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1080/10106040701207399"}],"volume":"23","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a17e4b07f02db6044cd","contributors":{"authors":[{"text":"Maxwell, S.K.","contributorId":36665,"corporation":false,"usgs":true,"family":"Maxwell","given":"S.K.","email":"","affiliations":[],"preferred":false,"id":346003,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Craig, M.E.","contributorId":39107,"corporation":false,"usgs":true,"family":"Craig","given":"M.E.","email":"","affiliations":[],"preferred":false,"id":346004,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70000479,"text":"70000479 - 2008 - Paleoseismic targets, seismic hazard, and urban areas in the Central and Eastern United States","interactions":[],"lastModifiedDate":"2012-03-08T17:16:35","indexId":"70000479","displayToPublicDate":"2010-09-28T23:09:21","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1135,"text":"Bulletin of the Seismological Society of America","onlineIssn":"1943-3573","printIssn":"0037-1106","active":true,"publicationSubtype":{"id":10}},"title":"Paleoseismic targets, seismic hazard, and urban areas in the Central and Eastern United States","docAbstract":"Published geologic information from the central and eastern United States identifies 83 faults, groups of sand blows, named seismic zones, and other geological features as known or suspected products of Quaternary tectonic faulting. About one fifth of the features are known to contain faulted Quaternary materials or seismically induced liquefaction phenomena, but the origin and associated seismic hazard of most of the other features remain uncertain. Most of the features are in or near large urban areas. The largest cluster of features is in the Boston-Washington urban corridor (2005 estimated population: 50 million). The proximity of most features to populous areas identifies paleoseismic targets with potential to impact urban-hazard estimates.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Bulletin of the Seismological Society of America","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1785/0120060007","issn":"00371106","usgsCitation":"Wheeler, R.L., 2008, Paleoseismic targets, seismic hazard, and urban areas in the Central and Eastern United States: Bulletin of the Seismological Society of America, v. 98, no. 3, p. 1572-1580, https://doi.org/10.1785/0120060007.","startPage":"1572","endPage":"1580","costCenters":[],"links":[{"id":203763,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":18893,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1785/0120060007"}],"volume":"98","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae3e4b07f02db689306","contributors":{"authors":[{"text":"Wheeler, R. L.","contributorId":34916,"corporation":false,"usgs":true,"family":"Wheeler","given":"R.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":345998,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":5221080,"text":"5221080 - 2008 - Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007","interactions":[{"subject":{"id":5221085,"text":"5221085 - 2008 - Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007: Robbins Nest, Laurel, MD (390-0765)","indexId":"5221085","publicationYear":"2008","noYear":false,"title":"Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007: Robbins Nest, Laurel, MD (390-0765)"},"predicate":"IS_PART_OF","object":{"id":5221080,"text":"5221080 - 2008 - Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007","indexId":"5221080","publicationYear":"2008","noYear":false,"title":"Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007"},"id":1},{"subject":{"id":5224839,"text":"5224839 - 2008 - Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007: Patuxent powerline right-of-way (390-0764)","indexId":"5224839","publicationYear":"2008","noYear":false,"title":"Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007: Patuxent powerline right-of-way (390-0764)"},"predicate":"IS_PART_OF","object":{"id":5221080,"text":"5221080 - 2008 - Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007","indexId":"5221080","publicationYear":"2008","noYear":false,"title":"Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007"},"id":2}],"lastModifiedDate":"2017-03-09T18:02:13","indexId":"5221080","displayToPublicDate":"2010-06-16T12:18:35","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2881,"text":"North American Bird Bander","active":true,"publicationSubtype":{"id":10}},"title":"Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007","docAbstract":"Region IV welcomed another coastal station in 2007 with a report from Chris Snook at Charleston, South Carolina.
The season was hot and dry throughout Region IV except in Florida where precipitation averaged above normal. Banders blamed their poor success on the lack of cold fronts in August, September, and the first half of October and on persistent strong east winds that blew the migrants farther inland. At Bill Baggs State Park in Miami no significant cold fronts were encountered until 25 Oct, and then on 29 Oct they banded over 100 Black-throated Blue Warblers that should have been on their West Indian wintering grounds by that date.
Myrtle Warblers continued to be the most commonly banded species in Region IV, although numbers were down considerably from the previous autumn; their age ratios ranged from 25% hatching year (HY) at inland Tallahassee to 100% HY at coastal Chincoteague. Gray Catbird, which made the top ten list at all11 stations, was in second place, with percent of HYbirds ranging from 54% at Laurel to 95% at Chincoteague.
Peak migration days ranged from 19 Sep in Laurel to 14 Nov at Kiptopeke, with five stations reporting their peak during 10-15 Oct.
Thanks to the dedicated banders and assistants who contributed 61,825 net-hours in autumn 2007 to band 22,424 birds in Region IV. Thanks also to colleagues Deanna Dawson and John R. Sauer for their helpful comments.
","language":"English","publisher":"Western, Inland, and Eastern Bird Banding Associations","usgsCitation":"Robbins, C.S., 2008, Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007: North American Bird Bander, v. 33, no. 3, p. 139-146.","productDescription":"8 p.","startPage":"139","endPage":"146","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197728,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":337275,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.westernbirdbanding.org/nabb.html","text":"Journal's Website"}],"country":"United States","volume":"33","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aaae4b07f02db669685","contributors":{"authors":[{"text":"Robbins, Chandler S. crobbins@usgs.gov","contributorId":4275,"corporation":false,"usgs":true,"family":"Robbins","given":"Chandler","email":"crobbins@usgs.gov","middleInitial":"S.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":332993,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":5224839,"text":"5224839 - 2008 - Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007: Patuxent powerline right-of-way (390-0764)","interactions":[{"subject":{"id":5224839,"text":"5224839 - 2008 - Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007: Patuxent powerline right-of-way (390-0764)","indexId":"5224839","publicationYear":"2008","noYear":false,"title":"Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007: Patuxent powerline right-of-way (390-0764)"},"predicate":"IS_PART_OF","object":{"id":5221080,"text":"5221080 - 2008 - Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007","indexId":"5221080","publicationYear":"2008","noYear":false,"title":"Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007"},"id":1}],"isPartOf":{"id":5221080,"text":"5221080 - 2008 - Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007","indexId":"5221080","publicationYear":"2008","noYear":false,"title":"Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007"},"lastModifiedDate":"2017-03-09T18:05:39","indexId":"5224839","displayToPublicDate":"2010-06-16T12:18:35","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2881,"text":"North American Bird Bander","active":true,"publicationSubtype":{"id":10}},"title":"Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007: Patuxent powerline right-of-way (390-0764)","docAbstract":"This station operates at the Patuxent Research Refuge in a powerline right-of-way that bisects an upland deciduous forest. This area has been used for this purpose since 1980, except in the years 2004-2006. Twenty-six nets are arrayed along approximately one-half mile that runs generally on an east-west orientation. The habitat is marked by dense 4-6 foot high shrub foliage with very few trees of any height. Trees are purposely kept to a minimum within the right-of-way to avoid arcing with the powerlines. We operated seven days in August and November and 14 days in September and October for a total of 42 days, generally on a M/W I F schedule. Nets were opened · by 25-30 minutes before sunrise, and closed about 3.5 hours later. Weather did not have a significant impact on our operations. We did have a few mornings in late October when some nets were frozen, delaying their opening. Only once (13 Nov) did rain necessitate closing nets early.
","language":"English","publisher":"Western, Inland, and Eastern Bird Banding Associations","usgsCitation":"Bystrak, D., 2008, Atlantic Flyway review: Region IV Piedmont-Coastal Plain, Fall 2007: Patuxent powerline right-of-way (390-0764): North American Bird Bander, v. 33, no. 3, p. 141-142.","productDescription":"2 p.","startPage":"141","endPage":"142","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":198341,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":337276,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.westernbirdbanding.org/nabb.html","text":"Journal's Website"}],"country":"United States","state":"Maryland","county":"Prince George's COunty","city":"Laurel","otherGeospatial":"Patuxent Wildlife Research Center","volume":"33","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aabe4b07f02db669c93","contributors":{"authors":[{"text":"Bystrak, Danny dbystrak@usgs.gov","contributorId":4840,"corporation":false,"usgs":true,"family":"Bystrak","given":"Danny","email":"dbystrak@usgs.gov","affiliations":[],"preferred":true,"id":342856,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":5224909,"text":"5224909 - 2008 - A double-observer method to estimate detection rate during aerial waterfowl surveys","interactions":[],"lastModifiedDate":"2012-02-02T00:15:29","indexId":"5224909","displayToPublicDate":"2010-06-16T12:18:34","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"A double-observer method to estimate detection rate during aerial waterfowl surveys","docAbstract":"We evaluated double-observer methods for aerial surveys as a means to adjust counts of waterfowl for incomplete detection. We conducted our study in eastern Canada and the northeast United States utilizing 3 aerial-survey crews flying 3 different types of fixed-wing aircraft. We reconciled counts of front- and rear-seat observers immediately following an observation by the rear-seat observer (i.e., on-the-fly reconciliation). We evaluated 6 a priori models containing a combination of several factors thought to influence detection probability including observer, seat position, aircraft type, and group size. We analyzed data for American black ducks (Anas rubripes) and mallards (A. platyrhynchos), which are among the most abundant duck species in this region. The best-supported model for both black ducks and mallards included observer effects. Sample sizes of black ducks were sufficient to estimate observer-specific detection rates for each crew. Estimated detection rates for black ducks were 0.62 (SE = 0.10), 0.63 (SE = 0.06), and 0.74 (SE = 0.07) for pilot-observers, 0.61 (SE = 0.08), 0.62 (SE = 0.06), and 0.81 (SE = 0.07) for other front-seat observers, and 0.43 (SE = 0.05), 0.58 (SE = 0.06), and 0.73 (SE = 0.04) for rear-seat observers. For mallards, sample sizes were adequate to generate stable maximum-likelihood estimates of observer-specific detection rates for only one aerial crew. Estimated observer-specific detection rates for that crew were 0.84 (SE = 0.04) for the pilot-observer, 0.74 (SE = 0.05) for the other front-seat observer, and 0.47 (SE = 0.03) for the rear-seat observer. Estimated observer detection rates were confounded by the position of the seat occupied by an observer, because observers did not switch seats, and by land-cover because vegetation and landform varied among crew areas. Double-observer methods with on-the-fly reconciliation, although not without challenges, offer one viable option to account for detection bias in aerial waterfowl surveys where birds are distributed at low density in remote areas that are inaccessible by ground crews. Double-observer methods, however, estimate only detection rate of animals that are potentially observable given the survey method applied. Auxiliary data and methods must be considered to estimate overall detection rate.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Wildlife Management","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"7005_Koneff.pdf","usgsCitation":"Koneff, M., Royle, J., Otto, M., Wortham, J., and Bidwell, J., 2008, A double-observer method to estimate detection rate during aerial waterfowl surveys: Journal of Wildlife Management, v. 72, no. 7, p. 1641-649.","productDescription":"1641-649","startPage":"1641","endPage":"649","numberOfPages":"-991","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":203096,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":16932,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://www.bioone.org/perlserv/?request=get-abstract&doi=10.2193%2F2008-036 ; https://www.wildlifejournals.org/perlserv/?request=get-abstract&doi=10.2193%2F2008-036","linkFileType":{"id":5,"text":"html"}}],"volume":"72","issue":"7","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b25e4b07f02db6aece1","contributors":{"authors":[{"text":"Koneff, M.D.","contributorId":37031,"corporation":false,"usgs":true,"family":"Koneff","given":"M.D.","email":"","affiliations":[],"preferred":false,"id":343124,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Royle, J. Andrew 0000-0003-3135-2167","orcid":"https://orcid.org/0000-0003-3135-2167","contributorId":96221,"corporation":false,"usgs":true,"family":"Royle","given":"J. Andrew","affiliations":[],"preferred":false,"id":343125,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Otto, M.C.","contributorId":33031,"corporation":false,"usgs":true,"family":"Otto","given":"M.C.","email":"","affiliations":[],"preferred":false,"id":343123,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wortham, J.S.","contributorId":31503,"corporation":false,"usgs":true,"family":"Wortham","given":"J.S.","email":"","affiliations":[],"preferred":false,"id":343122,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bidwell, J.K.","contributorId":27169,"corporation":false,"usgs":true,"family":"Bidwell","given":"J.K.","email":"","affiliations":[],"preferred":false,"id":343121,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":5224872,"text":"5224872 - 2008 - Long-term trends in breeding birds in an old-growth Adirondack forest and the surrounding region","interactions":[],"lastModifiedDate":"2012-02-02T00:15:30","indexId":"5224872","displayToPublicDate":"2010-06-16T12:18:34","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3784,"text":"Wilson Journal of Ornithology","active":true,"publicationSubtype":{"id":10}},"title":"Long-term trends in breeding birds in an old-growth Adirondack forest and the surrounding region","docAbstract":"Breeding bird populations were sampled between 1954 and 1963, and 1990 and 2000 in an old-growth forest, the Natural Area of Huntington Wildlife Forest (HWF), in the Adirondack Mountains of New York. Trends were compared with data from regional North American Breeding Bird Surveys (BBS) and from a forest plot at Hubbard Brook Experimental Forest, New Hampshire. Trends for 22 species in the HWF Natural Area were negative, eight were positive, and one was zero; 20 were significant. Fifteen of 17 long-distance migrants declined, whereas 7 of 14 short-distance migrants and permanent residents declined. Most (74%) HWF Natural Area species, despite differences in sampling periods and local habitat features, matched in sign of trend when compared to Adirondack BBS routes, 61% matched northeastern BBS routes, and 71% matched eastern United States BBS routes, while 66% matched Hubbard Brook species. The agreement in population trends suggests that forest interior birds, especially long-distance migrants, are affected more by regional than local factors. The analysis indicated that bird trends generated from BBS routes may not be as biased toward roads as previously suggested.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Wilson Journal of Ornithology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"6933_McNulty.pdf","usgsCitation":"McNulty, S., Droege, S., and Masters, R., 2008, Long-term trends in breeding birds in an old-growth Adirondack forest and the surrounding region: Wilson Journal of Ornithology, v. 120, no. 1, p. 153-158.","productDescription":"153-158","startPage":"153","endPage":"158","numberOfPages":"6","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":16907,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://www.bioone.org/perlserv/?request=get-abstract&doi=10.1676%2F07-032.1","linkFileType":{"id":5,"text":"html"}},{"id":201481,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"120","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a6de4b07f02db63efb3","contributors":{"authors":[{"text":"McNulty, S.A.","contributorId":12158,"corporation":false,"usgs":true,"family":"McNulty","given":"S.A.","email":"","affiliations":[],"preferred":false,"id":342970,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Droege, Sam 0000-0003-4393-0403","orcid":"https://orcid.org/0000-0003-4393-0403","contributorId":64185,"corporation":false,"usgs":true,"family":"Droege","given":"Sam","affiliations":[{"id":50464,"text":"Eastern Ecological Science Center","active":true,"usgs":true}],"preferred":false,"id":342972,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Masters, R.D.","contributorId":50631,"corporation":false,"usgs":true,"family":"Masters","given":"R.D.","email":"","affiliations":[],"preferred":false,"id":342971,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":5224879,"text":"5224879 - 2008 - Migration of Florida sub-adult Bald Eagles","interactions":[],"lastModifiedDate":"2012-02-02T00:15:07","indexId":"5224879","displayToPublicDate":"2010-06-16T12:18:34","publicationYear":"2008","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3784,"text":"Wilson Journal of Ornithology","active":true,"publicationSubtype":{"id":10}},"title":"Migration of Florida sub-adult Bald Eagles","docAbstract":"We used satellite telemetry locations accurate within 1 km to identify migration routes and stopover sites of 54 migratory sub-adult Bald Eagles (Haliaeetus leucocephalus) hatched in Florida from 1997 to 2001. We measured number of days traveled during migration, path of migration, stopover time and locations, and distance traveled to and from winter and summer areas for each eagle (1?5 years old). Eagles used both Coastal Plain (n = 24) and Appalachian Mountain (n = 26) routes on their first migration north. Mountain migrants traveled farther (X = 2,112 km; 95% CI: 1,815-2,410) than coastal migrants (X = 1,397 km; 95% CI: 1,087?1,706). Eagles changed between migration routes less often on northbound and southbound movements as they matured (X2 = 13.22, df = 2, P < 0.001). One-year-old eagles changed routes between yearly spring and fall migrations 57% of the time, 2-year-olds 30%, and 3-5-year-olds changed only 17% of the time. About half (n = 25, 46%) used stopovers during migration and stayed 6-31 days (X = 14.8 days; 95% CI: 12.8-16.8). We recommend that migratory stopover site locations be added to GIS data bases for improving conservation of Bald Eagles in the eastern United States.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Wilson Journal of Ornithology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"6951_Mojica.pdf","usgsCitation":"Mojica, E., Meyers, J., Millsap, B., and Haley, K., 2008, Migration of Florida sub-adult Bald Eagles: Wilson Journal of Ornithology, v. 120, no. 2, p. 304-310.","productDescription":"304-310","startPage":"304","endPage":"310","numberOfPages":"7","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":16912,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://www.bioone.org/perlserv/?request=get-abstract&doi=10.1676%2F07-079.1","linkFileType":{"id":5,"text":"html"}},{"id":197786,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"120","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a60e4b07f02db63545b","contributors":{"authors":[{"text":"Mojica, E.K.","contributorId":10513,"corporation":false,"usgs":true,"family":"Mojica","given":"E.K.","affiliations":[],"preferred":false,"id":342992,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Meyers, J.M.","contributorId":54307,"corporation":false,"usgs":true,"family":"Meyers","given":"J.M.","email":"","affiliations":[],"preferred":false,"id":342995,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Millsap, B.A.","contributorId":30716,"corporation":false,"usgs":true,"family":"Millsap","given":"B.A.","email":"","affiliations":[],"preferred":false,"id":342994,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Haley, K.L.","contributorId":12143,"corporation":false,"usgs":true,"family":"Haley","given":"K.L.","email":"","affiliations":[],"preferred":false,"id":342993,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":5211431,"text":"5211431 - 2008 - Coordinating across scales: Building a regional marsh bird monitoring program from national and state Initiatives","interactions":[],"lastModifiedDate":"2012-02-02T00:15:13","indexId":"5211431","displayToPublicDate":"2009-06-09T09:23:20","publicationYear":"2008","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Coordinating across scales: Building a regional marsh bird monitoring program from national and state Initiatives","docAbstract":"Salt marsh breeding bird populations (rails, bitterns, sparrows, etc.) in eastern North America are high conservation priorities in need of site specific and regional monitoring designed to detect population changes over time. The present status and trends of these species are unknown but anecdotal evidence of declines in many of the species has raised conservation concerns. Most of these species are listed as conservation priorities on comprehensive wildlife plans throughout the eastern U.S. National Wildlife Refuges, National Park Service units, and other wildlife conservation areas provide important salt marsh habitat. To meet management needs for these areas, and to assist regional conservation planning, survey designs are being developed to estimate abundance and population trends for these breeding bird species. The primary purpose of this project is to develop a hierarchical sampling frame for salt marsh birds in Bird Conservation Region (BCR) 30 that will provide the ability to estimate species population abundances on 1) specific sites (i.e. National Parks and National Wildlife Refuges), 2) within states or regions, and 3) within BCR 30. The entire breeding range of Saltmarsh Sharp-tailed and Coastal Plain Swamp sparrows are within BCR 30, providing an opportunity to detect population trends within the entire breeding ranges of two priority species.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Tundra to Tropics: Connecting Birds, Habitats and People: 4th International Partners in Flight Conference, 13-16 February 2008, McAllen, Texas: Abstracts","largerWorkSubtype":{"id":4,"text":"Other Government Series"},"language":"English","collaboration":"Page 114 in the online pdf.","usgsCitation":"Shriver, G., and Sauer, J., 2008, Coordinating across scales: Building a regional marsh bird monitoring program from national and state Initiatives, chap. of Tundra to Tropics: Connecting Birds, Habitats and People: 4th International Partners in Flight Conference, 13-16 February 2008, McAllen, Texas: Abstracts.","productDescription":"138","startPage":"113 (abs)","numberOfPages":"138","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":196346,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad8e4b07f02db684959","contributors":{"authors":[{"text":"Shriver, G.W.","contributorId":64758,"corporation":false,"usgs":true,"family":"Shriver","given":"G.W.","email":"","affiliations":[],"preferred":false,"id":331019,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sauer, J.R. 0000-0002-4557-3019","orcid":"https://orcid.org/0000-0002-4557-3019","contributorId":66197,"corporation":false,"usgs":true,"family":"Sauer","given":"J.R.","affiliations":[],"preferred":false,"id":331020,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":97283,"text":"sir20085203 - 2008 - Occurrence and distribution of algal biomass and Its relation to nutrients and selected basin characteristics in Indiana streams, 2001-2005","interactions":[],"lastModifiedDate":"2016-06-21T09:30:25","indexId":"sir20085203","displayToPublicDate":"2009-02-13T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2008-5203","title":"Occurrence and distribution of algal biomass and Its relation to nutrients and selected basin characteristics in Indiana streams, 2001-2005","docAbstract":"Algal biomass and nutrient data were gathered at 322 randomly selected sites on 261 streams in the West Fork White River, Whitewater River, East Fork White River, Upper Wabash River, Kankakee River, Lower Wabash River, Tributaries to the Great Lakes, and Tributaries to the Ohio River Basins in Indiana from May through October for years 2001 through 2005. Basin characteristics (land use and drainage area), substrate, turbidity, and nutrient concentrations were determined for the basin and sampling sites. The relations of the seasonal algal biomass parameters periphyton chlorophyll a (CHLa), ash-free dry mass (AFDM), seston CHLa, and particulate organic carbon (POC) to concentrations of the seasonal nutrients nitrate, total Kjeldahl nitrogen (TKN), total nitrogen (TN), and total phosphorus (TP) were determined using Spearman’s rho. The effects of streamflow were determined using data collected at U.S. Geological Survey (USGS) streamflow-gaging stations spatially located throughout the study basins.
\nThroughout the 5-year study, the magnitude and frequency of stream discharge varied monthly and annually and greatly influenced algal biomass concentrations through scour and algal drift. Algal biomass median concentrations in Indiana streams consisted of periphyton CHLa, 41.2 milligrams per square meter (mg/m2 ); AFDM, 52.1 grams per square meter (g/m2); seston CHLa, 2.44 micrograms per liter (µg/L); and POC, 0.75 milligrams per liter (mg/L). Approximately 32 percent of the periphyton CHLa and 6 percent of the seston CHLa samples would be considered eutrophic (nutrient enriched).
\nTo ascertain seasonal variability, samples were collected in the spring (May), summer (June through August), and fall (September through October). The highest median concentration of periphyton CHLa was in the spring, 63.2 mg/m2 , while the highest median concentrations of AFDM, seston CHLa, and POC were in the summer 55.4 g/m2 , 2.96 µg/L, and 0.81 mg/L respectively. There were no significant differences among seasons for periphyton CHLa and AFDM; there were significant differences among seasons for seston CHLa and POC.
\nThere were no significant relations with nutrients and periphyton or seston CHLa parameters. The only significant positive relations were observed between summer POC and summer TP as well as summer POC and summer TKN. Positive relations also related spring POC and spring TP. These significant relations with TP are most likely related to phosphorus associated within seston algal cells and attached to sediment.
\nDrainage area and land use were analyzed to understand the effect of site location on algal growth. Study basins varied in size (headwater streams, 0–51 km2 ; wadable streams, 52–2,590 km2 ; and boatable streams, 2,591–38,900 km2 ) and were dominated by agricultural land use. Basin characteristics (land use, drainage area) as well as substrate type, turbidity, and nutrients, affected the concentration of algal biomass parameters. Of the eight basins in which samples were collected during the 5-year study, the Whitewater River Basin (2002) had the highest median concentration of periphyton CHLa (63.1 mg/m2 ), the Tributaries to the Great Lakes (2005) exhibited the highest median concentration for AFDM (160 g/m2 ), the East Fork White River Basin (2002) had nearly twice the median concentration (4.01 µg/L) of seston CHLa as the other basins, and the West Fork White River Basin (2001) exhibited the highest median concentration of POC (1.10 mg/L). Of the eight major basins sampled, 15–45 percent of the periphyton CHLa and up to 20 percent of the seston CHLa samples were eutrophic. Samples collected at headwater and wadable streams were the most eutrophic for periphyton CHLa (31–36 percent) and 28 percent of samples collected at boatable streams were eutrophic for seston CHLa.
\nAs basin size increased, seston CHLa and POC concentrations increased while periphyton CHLa and AFDM concentrations decreased. The median turbidity values ranged from 6.95 NTU for headwater streams to 8.27 NTU for wadable streams, and 17.0 NTU for boatable streams. In addition, the types and availability of periphytic substrates (epilithic, epipsammic, or epidendric) were an important factor when comparing periphyton CHLa and AFDM concentrations in the study due to the periphytic substrates individual susceptibility to bed movement and scouring. Periphyton CHLa median concentrations ranged from 53.8 mg/m2 for epilithic substrates, to 41.8 mg/m2 for epipsammic substrates, and 17.2 mg/m2 for epidendric substrates. Higher AFDM concentrations were collected from epipsammic substrates during years of low stream discharge velocity, which enhanced the settling of organic matter on epipsammic substrates. AFDM median concentrations ranged from 141 g/m2 for epipsammic to 28.8 g/m2 for epilithic and 22.9 g/m2 for epidendric substrates.
\nThe seasonal values for nutrients (nitrate, TKN, TN, and TP) and algal biomass (periphyton CHLa, AFDM, seston CHLa, and POC) were compared to published U. S. Environmental Protection Agency (USEPA) values for their respective ecoregions. Algal biomass values either were greater than the 25th percentile published USEPA values or extended the range of data in Aggregate Nutrient Ecoregions VI, VII, IX and USEPA Level III Ecoregions 54, 55, 56, 71, and 72. If the values for the 25th percentile proposed by the USEPA were adopted as nutrient water-quality criteria, then about 71 percent of the nutrient samples and 57 percent of the CHLa samples within the eight study basins would be considered nutrient enriched.
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Scott","contributorId":52671,"corporation":false,"usgs":true,"family":"Lowe","given":"B.","email":"","middleInitial":"Scott","affiliations":[],"preferred":false,"id":301579,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Leer, Donald R.","contributorId":91185,"corporation":false,"usgs":true,"family":"Leer","given":"Donald","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":301580,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Frey, Jeffrey W. 0000-0002-3453-5009 jwfrey@usgs.gov","orcid":"https://orcid.org/0000-0002-3453-5009","contributorId":487,"corporation":false,"usgs":true,"family":"Frey","given":"Jeffrey","email":"jwfrey@usgs.gov","middleInitial":"W.","affiliations":[{"id":27231,"text":"Indiana-Kentucky Water Science Center","active":true,"usgs":true},{"id":346,"text":"Indiana Water Science Center","active":true,"usgs":true},{"id":35860,"text":"Ohio-Kentucky-Indiana Water Science Center","active":true,"usgs":true}],"preferred":true,"id":301578,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Caskey, Brian J.","contributorId":104119,"corporation":false,"usgs":true,"family":"Caskey","given":"Brian","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":301581,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":97279,"text":"sir20085199 - 2008 - Hydrologic Drought of Water Year 2006 Compared with Four Major Drought Periods of the 20th Century in Oklahoma","interactions":[],"lastModifiedDate":"2012-03-08T17:16:25","indexId":"sir20085199","displayToPublicDate":"2009-02-11T00:00:00","publicationYear":"2008","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2008-5199","title":"Hydrologic Drought of Water Year 2006 Compared with Four Major Drought Periods of the 20th Century in Oklahoma","docAbstract":"Water Year 2006 (October 1, 2005, to September 30, 2006) was a year of extreme hydrologic drought and the driest year in the recent 2002-2006 drought in Oklahoma. The severity of this recent drought can be evaluated by comparing it with four previous major hydrologic droughts, water years 1929-41, 1952-56, 1961-72, and 1976-81. The U.S. Geological Survey, in cooperation with the Oklahoma Water Resources Board, completed an investigation to summarize the Water Year 2006 hydrologic drought and compare it to the four previous major hydrologic droughts in the 20th century.\r\n\r\nThe period of water years 1925-2006 was selected as the period of record because before 1925 few continuous record streamflow-gaging sites existed and gaps existed where no streamflow-gaging sites were operated. Statewide annual precipitation in Water Year 2006 was second driest and statewide annual runoff in Water Year 2006 was sixth driest in the 82 years of record.\r\n\r\nAnnual area-averaged precipitation totals by the nine National Weather Service Climate Divisions from Water Year 2006 are compared to those during four previous major hydrologic droughts to show how rainfall deficits in Oklahoma varied by region. Only two of the nine climate divisions, Climate Division 1 Panhandle and Climate Division 4 West Central, had minor rainfall deficits, while the rest of the climate divisions had severe rainfall deficits in Water Year 2006 ranging from only 65 to 73 percent of normal annual precipitation.\r\n\r\nRegional streamflow patterns for Water Year 2006 indicate that Oklahoma was part of the regionwide below-normal streamflow conditions for Arkansas-White-Red River Basin, the sixth driest since 1930. The percentage of long-term stations in Oklahoma (with at least 30 years of record) having below-normal streamflow reached 80 to 85 percent for some days in August and November 2006.\r\n\r\nTwelve long-term streamflow-gaging sites with periods of record ranging from 62 to 78 years were selected to show how streamflow deficits varied by region. The hydrologic drought worsened going from north to south in Oklahoma, ranging from 45 percent in the north, to just 14 percent in east-central Oklahoma, and 20 percent of normal annual streamflow in the southwest.\r\n\r\nThe low streamflows resulted in only 86.3 percent of the statewide conservation storage available at the end of the water year in major reservoirs, and 7 to 47 percent of hydroelectric power generation at sites in Oklahoma in Calendar Year 2005.","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/sir20085199","collaboration":"Prepared in cooperation with the Oklahoma Water Resources Board","usgsCitation":"Tortorelli, R.L., 2008, Hydrologic Drought of Water Year 2006 Compared with Four Major Drought Periods of the 20th Century in Oklahoma: U.S. Geological Survey Scientific Investigations Report 2008-5199, vi, 47 p., https://doi.org/10.3133/sir20085199.","productDescription":"vi, 47 p.","temporalStart":"2005-10-01","temporalEnd":"2006-09-30","costCenters":[{"id":516,"text":"Oklahoma Water Science Center","active":true,"usgs":true}],"links":[{"id":195730,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":12330,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2008/5199/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -103,33 ], [ -103,38 ], [ -94,38 ], [ -94,33 ], [ -103,33 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a25e4b07f02db60edc1","contributors":{"authors":[{"text":"Tortorelli, Robert L.","contributorId":65071,"corporation":false,"usgs":true,"family":"Tortorelli","given":"Robert","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":301562,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ]}