{"pageNumber":"2454","pageRowStart":"61325","pageSize":"25","recordCount":184634,"records":[{"id":70175723,"text":"70175723 - 2006 - Are subcutaneous transmitters better than intracoelomic? The relevance of reporting methodology to interpreting results","interactions":[],"lastModifiedDate":"2016-08-18T13:30:32","indexId":"70175723","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3779,"text":"Wildlife Society Bulletin","onlineIssn":"1938-5463","printIssn":"0091-7648","active":true,"publicationSubtype":{"id":10}},"title":"Are subcutaneous transmitters better than intracoelomic? The relevance of reporting methodology to interpreting results","docAbstract":"<p><span>Biologists rely on published scientific papers to increase their knowledge and to guide their future work. Papers comparing techniques can be especially influential when several options exist for accomplishing a task. In this paper, I use a recent publication comparing the effects on birds of several methods for attaching or implanting radio</span><span class=\"searchword\">transmitters</span><span>&nbsp;to illustrate the need for clear and accurate&nbsp;</span><span class=\"searchword\">reporting</span><span>&nbsp;of the techniques used. Because of deficiencies in</span><span class=\"searchword\">methodology</span><span>, in stating&nbsp;</span><span class=\"searchword\">methodology</span><span>, and in following cited&nbsp;</span><span class=\"searchword\">methodology</span><span>&nbsp;I argue that the conclusions drawn by the authors are not supportable.</span></p>","language":"English","publisher":"BioOne","doi":"10.2193/0091-7648(2006)34[884:ASTBTI]2.0.CO;2","usgsCitation":"Mulcahy, D.M., 2006, Are subcutaneous transmitters better than intracoelomic? The relevance of reporting methodology to interpreting results: Wildlife Society Bulletin, v. 34, no. 3, p. 884-889, https://doi.org/10.2193/0091-7648(2006)34[884:ASTBTI]2.0.CO;2.","productDescription":"6 p.","startPage":"884","endPage":"889","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":326830,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"34","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57b6dc31e4b03fd6b7d94c08","contributors":{"authors":[{"text":"Mulcahy, Daniel M. dmulcahy@usgs.gov","contributorId":3102,"corporation":false,"usgs":true,"family":"Mulcahy","given":"Daniel","email":"dmulcahy@usgs.gov","middleInitial":"M.","affiliations":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":646195,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70175728,"text":"70175728 - 2006 - Future for polar bears in a declining sea ice environment: What do we know?","interactions":[],"lastModifiedDate":"2016-08-18T15:08:24","indexId":"70175728","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Future for polar bears in a declining sea ice environment: What do we know?","docAbstract":"<p>During an April 22, 2006, interview on the CBC radio program &ldquo;The House,&rdquo; Tim Flannery, author of the recent book &ldquo;The Weathermakers,&rdquo; stated, &ldquo;Projections of the polar bear specialists are that by about 2030, around that date, the species will be extinct because of global warming induced changes in the Arctic sea ice.&rdquo; That statement was followed on May 4th by quotations in the Toronto Globe and Mail from Dr. Mitch Taylor, a polar bear researcher in Nunavut, Canada, claiming, &ldquo;polar bears have survived both warmer times and colder times than these,&rdquo; that &ldquo;nothing has melted the Arctic sea ice for 30 million years,&rdquo; that &ldquo;polar bears are remarkably adaptable,&rdquo; and that &ldquo;a warming climate might even benefit polar bears.&rdquo;</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Amstrup, S.C., 2006, Future for polar bears in a declining sea ice environment: What do we know?, v. 15, no. 4, p. 8-11.","productDescription":"4 p.","startPage":"8","endPage":"11","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"links":[{"id":326841,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":326842,"type":{"id":11,"text":"Document"},"url":"https://www.bearbiology.com/fileadmin/tpl/Downloads/IBN_Newsletters/IBN_2006_November_for_web.pdf","text":"http://www.bearbiology.com/fileadmin/tpl/Downloads/IBN_Newsletters/IBN_2006_November_for_web.pdf","linkFileType":{"id":1,"text":"pdf"}}],"volume":"15","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57b6dc62e4b03fd6b7d94c45","contributors":{"authors":[{"text":"Amstrup, Steven C.","contributorId":67034,"corporation":false,"usgs":false,"family":"Amstrup","given":"Steven","email":"","middleInitial":"C.","affiliations":[{"id":13182,"text":"Polar Bears International","active":true,"usgs":false}],"preferred":false,"id":646209,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70030273,"text":"70030273 - 2006 - State summaries: Illinois","interactions":[],"lastModifiedDate":"2012-03-12T17:21:02","indexId":"70030273","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2755,"text":"Mining Engineering","active":true,"publicationSubtype":{"id":10}},"title":"State summaries: Illinois","docAbstract":"According to the United States Geological Survey (USGS), Illinois ranked third in the amount of crushed stone produced from underground mining operations. In 2004, Illinois produced more than 76.5 Mt of crushed stone and 38.7 Mt of sand-and-gravel. Preliminary data for 2005 showed an increase in the production of crushed stone and a slight decrease in the production of sand-and-gravel. The state remained 16th in total value of nonfuel mineral production. In decreasing order of value, the minerals produced included crushed stone, cement, construction sand and gravel, lime, clay, peat, tripoli, industrial sand, crushed sandstone and gemstone.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Mining Engineering","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"00265187","usgsCitation":"Lasemi, Z., and Mikulic, D.G., 2006, State summaries: Illinois: Mining Engineering, v. 58, no. 5, p. 86-90.","startPage":"86","endPage":"90","numberOfPages":"5","costCenters":[],"links":[{"id":239126,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"58","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b96d5e4b08c986b31b731","contributors":{"authors":[{"text":"Lasemi, Z.","contributorId":17795,"corporation":false,"usgs":true,"family":"Lasemi","given":"Z.","email":"","affiliations":[],"preferred":false,"id":426423,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mikulic, Donald G.","contributorId":61159,"corporation":false,"usgs":true,"family":"Mikulic","given":"Donald","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":426424,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70030304,"text":"70030304 - 2006 - Measuring groundwater-surface water interaction and its effect on wetland stream benthic productivity, Trout Lake watershed, northern Wisconsin, USA","interactions":[],"lastModifiedDate":"2012-03-12T17:21:02","indexId":"70030304","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Measuring groundwater-surface water interaction and its effect on wetland stream benthic productivity, Trout Lake watershed, northern Wisconsin, USA","docAbstract":"Measurements of groundwater-surface water exchange at three wetland stream sites were related to patterns in benthic productivity as part of the US Geological Survey's Northern Temperate Lakes-Water, Energy and Biogeochemical Budgets (NTL-WEBB) project. The three sites included one high groundwater discharge (HGD) site, one weak groundwater discharge (WGD) site, and one groundwater recharge (GR) site. Large upward vertical gradients at the HGD site were associated with smallest variation in head below the stream and fewest gradient reversals between the stream and the groundwater beneath the stream, and the stream and the adjacent streambank. The WGD site had the highest number of gradient reversals reflecting the average condition being closest to zero vertical gradient. The duration of groundwater discharge events was related to the amount of discharge, where the HGD site had the longest strong-gradient durations for both horizontal and vertical groundwater flow. Strong groundwater discharge also controlled transient temperature and chemical hyporheic conditions by limiting the infiltration of surface water. Groundwater-surface water interactions were related to highly significant patterns in benthic invertebrate abundance, taxonomic richness, and periphyton respiration. The HGD site abundance was 35% greater than in the WGD site and 53% greater than the GR site; richness and periphyton respiration were also significantly greater (p???0.001, 31 and 44%, respectively) in the HGD site than in the GR site. The WGD site had greater abundance (27%), richness (19%) and periphyton respiration (39%) than the GR site. This work suggests groundwater-surface water interactions can strongly influence benthic productivity, thus emphasizing the importance of quantitative hydrology for management of wetland-stream ecosystems in the northern temperate regions. ?? 2005 Elsevier B.V. All rights reserved.","largerWorkTitle":"Journal of Hydrology","language":"English","doi":"10.1016/j.jhydrol.2005.07.029","issn":"00221694","usgsCitation":"Hunt, R.J., Strand, M., and Walker, J., 2006, Measuring groundwater-surface water interaction and its effect on wetland stream benthic productivity, Trout Lake watershed, northern Wisconsin, USA, <i>in</i> Journal of Hydrology, v. 320, no. 3-4, p. 370-384, https://doi.org/10.1016/j.jhydrol.2005.07.029.","startPage":"370","endPage":"384","numberOfPages":"15","costCenters":[],"links":[{"id":211775,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.jhydrol.2005.07.029"},{"id":239128,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"320","issue":"3-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a534ae4b0c8380cd6c99a","contributors":{"authors":[{"text":"Hunt, R. J.","contributorId":40164,"corporation":false,"usgs":true,"family":"Hunt","given":"R.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":426589,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Strand, M.","contributorId":91299,"corporation":false,"usgs":true,"family":"Strand","given":"M.","email":"","affiliations":[],"preferred":false,"id":426591,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Walker, J.F.","contributorId":86743,"corporation":false,"usgs":true,"family":"Walker","given":"J.F.","email":"","affiliations":[],"preferred":false,"id":426590,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70030420,"text":"70030420 - 2006 - Extreme plasticity in thermoregulatory behaviors of free-ranging black-tailed prairie dogs","interactions":[],"lastModifiedDate":"2012-03-12T17:21:03","indexId":"70030420","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3075,"text":"Physiological and Biochemical Zoology","active":true,"publicationSubtype":{"id":10}},"title":"Extreme plasticity in thermoregulatory behaviors of free-ranging black-tailed prairie dogs","docAbstract":"In the natural environment, hibernating sciurids generally remain dormant during winter and enter numerous deep torpor bouts from the time of first immergence in fall until emergence in spring. In contrast, black-tailed prairie dogs (Cynomys ludovicianus) remain active throughout winter but periodically enter short and shallow bouts of torpor. While investigating body temperature (Tb) patterns of black-tailed prairie dogs from six separate colonies in northern Colorado, we observed one population that displayed torpor patterns resembling those commonly seen in hibernators. Five individuals in this population experienced multiple torpor bouts in immediate succession that increased in length and depth as winter progressed, whereas 16 prairie dogs in five neighboring colonies remained euthermic for the majority of winter and entered shallow bouts of torpor infrequently. Our results suggest that these differences in torpor patterns did not result from differences in the physiological indicators that we measured because the prairie dogs monitored had similar body masses and concentrations of stored lipids across seasons. Likewise, our results did not support the idea that differences in overwinter Tb patterns between prairie dogs in colonies with differing torpor patterns resulted from genetic differences between populations; genetic analyses of prairie dog colonies revealed high genetic similarity between the populations and implied that individuals regularly disperse between colonies. Local environmental conditions probably played a role in the unusual T b patterns experienced by prairie dogs in the colony where hibernation-like patterns were observed; this population received significantly less rainfall than neighboring colonies during the summer growing seasons before, during, and after the year of the winter in which they hibernated. Our study provides a rare example of extreme plasticity in thermoregulatory behaviors of free-ranging prairie dogs and provides evidence contrary to models that propose a clear delineation between homeothermy, facultative torpor, and hibernation. ?? 2006 by The University of Chicago. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Physiological and Biochemical Zoology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1086/502816","issn":"15222152","usgsCitation":"Lehmer, E., Savage, L., Antolin, M., and Biggins, E., 2006, Extreme plasticity in thermoregulatory behaviors of free-ranging black-tailed prairie dogs: Physiological and Biochemical Zoology, v. 79, no. 3, p. 454-467, https://doi.org/10.1086/502816.","startPage":"454","endPage":"467","numberOfPages":"14","costCenters":[],"links":[{"id":239305,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":211924,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1086/502816"}],"volume":"79","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0e69e4b0c8380cd5343d","contributors":{"authors":[{"text":"Lehmer, E.M.","contributorId":99102,"corporation":false,"usgs":true,"family":"Lehmer","given":"E.M.","email":"","affiliations":[],"preferred":false,"id":427086,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Savage, L.T.","contributorId":102274,"corporation":false,"usgs":true,"family":"Savage","given":"L.T.","email":"","affiliations":[],"preferred":false,"id":427088,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Antolin, M.F.","contributorId":101450,"corporation":false,"usgs":true,"family":"Antolin","given":"M.F.","affiliations":[],"preferred":false,"id":427087,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Biggins, E.","contributorId":88303,"corporation":false,"usgs":true,"family":"Biggins","given":"E.","email":"","affiliations":[],"preferred":false,"id":427085,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70030252,"text":"70030252 - 2006 - Monitoring bird populations in small geographic areas","interactions":[],"lastModifiedDate":"2012-03-12T17:21:02","indexId":"70030252","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2919,"text":"Occasional Paper of the Canadian Wildlife Service","active":true,"publicationSubtype":{"id":10}},"title":"Monitoring bird populations in small geographic areas","docAbstract":"Numerous methods exist for monitoring bird populations, and there is a large literature describing them. There are few resources, however, that provide comprehensive advice on every step of organizing and carrying out a survey, from the early stages of planning to final use of the data. Even fewer resources are designed to meet the needs of a wide variety of potential users, from amateurs interested in change of bird life in a local study preserve to professionals testing hypotheses on the response of birds to habitat management, although much of the advice should be the same for every monitoring program. Whether survey objectives are very modest or rigorously scientific, samples must be sufficiently numerous and well distributed to provide meaningful results, and the survey should be well designed to ensure that the money and effort going into it are not wasted. This document is intended to be a complete resource for anyone planning to organize monitoring of noncolonial landbirds within a relatively small geographic area (e.g., from the size of a woodlot to a large park). The first of its two parts provides background explaining the importance of good study design and gives specific advice on all aspects of project planning and execution of high-quality data collection for the purpose of hypothesis testing. The second part is self-contained and nontechnical and describes complete plans for a site-specific checklist survey, suitable for addressing monitoring questions frequently asked by amateurs and for involvement of volunteers in data collection. Throughout are references to additional resources, from background literature to sources of existing survey protocols, analysis software, and tools for archiving data.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Occasional Paper of the Canadian Wildlife Service","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"05766370","usgsCitation":"Dunn, E.H., Bart, J., Collins, B., Craig, B., Dale, B., Downes, C., Francis, C., Woodley, S., and Zorn, P., 2006, Monitoring bird populations in small geographic areas: Occasional Paper of the Canadian Wildlife Service, no. SPEC. ISS., p. 1-59.","startPage":"1","endPage":"59","numberOfPages":"59","costCenters":[],"links":[{"id":239294,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"issue":"SPEC. ISS.","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a5d91e4b0c8380cd70473","contributors":{"authors":[{"text":"Dunn, Erica H.","contributorId":35841,"corporation":false,"usgs":false,"family":"Dunn","given":"Erica","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":426321,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bart, J.","contributorId":76272,"corporation":false,"usgs":true,"family":"Bart","given":"J.","affiliations":[],"preferred":false,"id":426326,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Collins, B.T.","contributorId":97315,"corporation":false,"usgs":true,"family":"Collins","given":"B.T.","email":"","affiliations":[],"preferred":false,"id":426327,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Craig, B.","contributorId":15827,"corporation":false,"usgs":true,"family":"Craig","given":"B.","email":"","affiliations":[],"preferred":false,"id":426319,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Dale, B.","contributorId":60570,"corporation":false,"usgs":true,"family":"Dale","given":"B.","email":"","affiliations":[],"preferred":false,"id":426324,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Downes, C.M.","contributorId":46762,"corporation":false,"usgs":true,"family":"Downes","given":"C.M.","email":"","affiliations":[],"preferred":false,"id":426323,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Francis, C.M.","contributorId":29092,"corporation":false,"usgs":true,"family":"Francis","given":"C.M.","email":"","affiliations":[],"preferred":false,"id":426320,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Woodley, S.","contributorId":36361,"corporation":false,"usgs":true,"family":"Woodley","given":"S.","email":"","affiliations":[],"preferred":false,"id":426322,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Zorn, P.","contributorId":61645,"corporation":false,"usgs":true,"family":"Zorn","given":"P.","email":"","affiliations":[],"preferred":false,"id":426325,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}}
,{"id":70030305,"text":"70030305 - 2006 - Fuel breaks affect nonnative species abundance in Californian plant communities","interactions":[],"lastModifiedDate":"2020-09-24T20:04:51.633265","indexId":"70030305","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1450,"text":"Ecological Applications","active":true,"publicationSubtype":{"id":10}},"title":"Fuel breaks affect nonnative species abundance in Californian plant communities","docAbstract":"<p><span>We evaluated the abundance of nonnative plants on fuel breaks and in adjacent untreated areas to determine if fuel treatments promote the invasion of nonnative plant species. Understanding the relationship between fuel treatments and nonnative plants is becoming increasingly important as federal and state agencies are currently implementing large fuel treatment programs throughout the United States to reduce the threat of wildland fire. Our study included 24 fuel breaks located across the State of California. We found that nonnative plant abundance was over 200% higher on fuel breaks than in adjacent wildland areas. Relative nonnative cover was greater on fuel breaks constructed by bulldozers (28%) than on fuel breaks constructed by other methods (7%). Canopy cover, litter cover, and duff depth also were significantly lower on fuel breaks constructed by bulldozers, and these fuel breaks had significantly more exposed bare ground than other types of fuel breaks. There was a significant decline in relative nonnative cover with increasing distance from the fuel break, particularly in areas that had experienced more numerous fires during the past 50 years, and in areas that had been grazed. These data suggest that fuel breaks could provide establishment sites for nonnative plants, and that nonnatives may invade surrounding areas, especially after disturbances such as fire or grazing. Fuel break construction and maintenance methods that leave some overstory canopy and minimize exposure of bare ground may be less likely to promote nonnative plants.</span></p>","language":"English","publisher":"Ecological Society of America","doi":"10.1890/1051-0761(2006)016[0515:FBANSA]2.0.CO;2","usgsCitation":"Merriam, K.E., Keeley, J., and Beyers, J., 2006, Fuel breaks affect nonnative species abundance in Californian plant communities: Ecological Applications, v. 16, no. 2, p. 515-527, https://doi.org/10.1890/1051-0761(2006)016[0515:FBANSA]2.0.CO;2.","productDescription":"13 p.","startPage":"515","endPage":"527","numberOfPages":"13","costCenters":[],"links":[{"id":239163,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United 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E.","contributorId":66641,"corporation":false,"usgs":false,"family":"Merriam","given":"K.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":426593,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Keeley, Jon E. 0000-0002-4564-6521","orcid":"https://orcid.org/0000-0002-4564-6521","contributorId":69082,"corporation":false,"usgs":true,"family":"Keeley","given":"Jon E.","affiliations":[],"preferred":false,"id":426594,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Beyers, J. L.","contributorId":61778,"corporation":false,"usgs":false,"family":"Beyers","given":"J. L.","affiliations":[],"preferred":false,"id":426592,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70030362,"text":"70030362 - 2006 - Quantification of the effects of eustasy, subsidence, and sediment supply on Miocene sequences, mid-Atlantic margin of the United States","interactions":[],"lastModifiedDate":"2012-03-12T17:21:12","indexId":"70030362","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","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":"Quantification of the effects of eustasy, subsidence, and sediment supply on Miocene sequences, mid-Atlantic margin of the United States","docAbstract":"We use backstripping to quantify the roles of variations in global sea level (eustasy), subsidence, and sediment supply on the development of the Miocene stratigraphic record of the mid-Atlantic continental margin of the United States (New Jersey, Delaware, and Maryland). Eustasy is a primary influence on sequence patterns, determining the global template of sequences (i.e., times when sequences can be preserved) and explaining similarities in Miocene sequence architecture on margins throughout the world. Sequences can be correlated throughout the mid-Atlantic region with Sr-isotopic chronology (??0.6 m.y. to ??1.2 m.y.). Eight Miocene sequences correlate regionally and can be correlated to global ??18O increases, indicating glacioeustatic control. This margin is dominated by passive subsidence with little evidence for active tectonic overprints, except possibly in Maryland during the early Miocene. However, early Miocene sequences in New Jersey and Delaware display a patchwork distribution that is attributable to minor (tens of meters) intervals of excess subsidence. Backstripping quantifies that excess subsidence began in Delaware at ca. 21 Ma and continued until 12 Ma, with maximum rates from ca. 21-16 Ma. We attribute this enhanced subsidence to local flexural response to the progradation of thick sequences offshore and adjacent to this area. Removing this excess subsidence in Delaware yields a record that is remarkably similar to New Jersey eustatic estimates. We conclude that sea-level rise and fall is a first-order control on accommodation providing similar timing on all margins to the sequence record. Tectonic changes due to movement of the crust can overprint the record, resulting in large gaps in the stratigraphic record. Smaller differences in sequences can be attributed to local flexural loading effects, particularly in regions experiencing large-scale progradation. ?? 2006 Geological Society of America.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geological Society of America Bulletin","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1130/B25551.1","issn":"00167606","usgsCitation":"Browning, J., Miller, K., McLaughlin, P., Kominz, M., Sugarman, P.J., Monteverde, D., Feigenson, M., and Hernandez, J., 2006, Quantification of the effects of eustasy, subsidence, and sediment supply on Miocene sequences, mid-Atlantic margin of the United States: Geological Society of America Bulletin, v. 118, no. 5-6, p. 567-588, https://doi.org/10.1130/B25551.1.","startPage":"567","endPage":"588","numberOfPages":"22","costCenters":[],"links":[{"id":212064,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1130/B25551.1"},{"id":239479,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"118","issue":"5-6","noUsgsAuthors":false,"publicationDate":"2006-05-08","publicationStatus":"PW","scienceBaseUri":"505a91b7e4b0c8380cd80403","contributors":{"authors":[{"text":"Browning, J.V.","contributorId":18889,"corporation":false,"usgs":true,"family":"Browning","given":"J.V.","email":"","affiliations":[],"preferred":false,"id":426854,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Miller, K.G.","contributorId":18094,"corporation":false,"usgs":true,"family":"Miller","given":"K.G.","email":"","affiliations":[],"preferred":false,"id":426853,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McLaughlin, P.P.","contributorId":45865,"corporation":false,"usgs":true,"family":"McLaughlin","given":"P.P.","affiliations":[],"preferred":false,"id":426856,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kominz, M.A.","contributorId":107471,"corporation":false,"usgs":true,"family":"Kominz","given":"M.A.","email":"","affiliations":[],"preferred":false,"id":426860,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Sugarman, P. J.","contributorId":81154,"corporation":false,"usgs":true,"family":"Sugarman","given":"P.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":426859,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Monteverde, D.","contributorId":74576,"corporation":false,"usgs":true,"family":"Monteverde","given":"D.","email":"","affiliations":[],"preferred":false,"id":426858,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Feigenson, M.D.","contributorId":65641,"corporation":false,"usgs":true,"family":"Feigenson","given":"M.D.","email":"","affiliations":[],"preferred":false,"id":426857,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Hernandez, J.C.","contributorId":29613,"corporation":false,"usgs":true,"family":"Hernandez","given":"J.C.","email":"","affiliations":[],"preferred":false,"id":426855,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":70030419,"text":"70030419 - 2006 - Migration of the Pee Dee River system inferred from ancestral paleochannels underlying the South Carolina Grand Strand and Long Bay inner shelf","interactions":[],"lastModifiedDate":"2019-12-03T12:50:40","indexId":"70030419","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","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":"Migration of the Pee Dee River system inferred from ancestral paleochannels underlying the South Carolina Grand Strand and Long Bay inner shelf","docAbstract":"Several generations of the ancestral Pee Dee River system have been mapped beneath the South Carolina Grand Strand coastline and adjacent Long Bay inner shelf. Deep boreholes onshore and high-resolution seismic-reflection data offshore allow for reconstruction of these paleochannels, which formed during glacial lowstands, when the Pee Dee River system incised subaerially exposed coastal-plain and continental-shelf strata. Paleochannel groups, representing different generations of the system, decrease in age to the southwest, where the modern Pee Dee River merges with several coastal-plain tributaries at Winyah Bay, the southern terminus of Long Bay. Positions of the successive generational groups record a regional, southwestward migration of the river system that may have initiated during the late Pliocene. The migration was primarily driven by barrier-island deposition, resulting from the interaction of fluvial and shoreline processes during eustatic highstands. Structurally driven, subsurface paleotopography associated with the Mid-Carolina Platform High has also indirectly assisted in forcing this migration. These results provide a better understanding of the evolution of the region and help explain the lack of mobile sediment on the Long Bay inner shelf. Migration of the river system caused a profound change in sediment supply during the late Pleistocene. The abundant fluvial source that once fed sand-rich barrier islands was cut off and replaced with a limited source, supplied by erosion and reworking of former coastal deposits exposed at the shore and on the inner shelf.","language":"English","publisher":"Geological Society of America","doi":"10.1130/B25856.1","issn":"00167606","usgsCitation":"Baldwin, W.E., Morton, R., Putney, T., Katuna, M., Harris, M., Gayes, P., Driscoll, N.W., Denny, J.F., and Schwab, W.C., 2006, Migration of the Pee Dee River system inferred from ancestral paleochannels underlying the South Carolina Grand Strand and Long Bay inner shelf: Geological Society of America Bulletin, v. 118, no. 5-6, p. 533-549, https://doi.org/10.1130/B25856.1.","productDescription":"17 p.","startPage":"533","endPage":"549","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":239304,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"South Carolina","otherGeospatial":"Grand Strand, Long Bay, Pee Dee River","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -78.55224609374999,\n              33.87041555094183\n            ],\n            [\n              -78.90380859375,\n              34.10725639663118\n            ],\n            [\n              -81.14501953125,\n              32.32427558887655\n            ],\n            [\n              -80.85937499999999,\n              31.840232667909365\n            ],\n            [\n              -79.6728515625,\n              32.7503226078097\n            ],\n            [\n              -78.68408203124999,\n              33.486435450999885\n            ],\n            [\n              -78.55224609374999,\n              33.87041555094183\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"118","issue":"5-6","noUsgsAuthors":false,"publicationDate":"2006-05-08","publicationStatus":"PW","scienceBaseUri":"505a570de4b0c8380cd6da0a","contributors":{"authors":[{"text":"Baldwin, W. E.","contributorId":47034,"corporation":false,"usgs":true,"family":"Baldwin","given":"W.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":427080,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Morton, R.A.","contributorId":53849,"corporation":false,"usgs":true,"family":"Morton","given":"R.A.","email":"","affiliations":[],"preferred":false,"id":427081,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Putney, T.R.","contributorId":23650,"corporation":false,"usgs":true,"family":"Putney","given":"T.R.","email":"","affiliations":[],"preferred":false,"id":427077,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Katuna, M.P.","contributorId":31076,"corporation":false,"usgs":true,"family":"Katuna","given":"M.P.","email":"","affiliations":[],"preferred":false,"id":427078,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Harris, M.S.","contributorId":65192,"corporation":false,"usgs":true,"family":"Harris","given":"M.S.","email":"","affiliations":[],"preferred":false,"id":427082,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Gayes, P. T.","contributorId":108143,"corporation":false,"usgs":true,"family":"Gayes","given":"P. T.","affiliations":[],"preferred":false,"id":427084,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Driscoll, N. W.","contributorId":41093,"corporation":false,"usgs":true,"family":"Driscoll","given":"N.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":427079,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Denny, J. F.","contributorId":13653,"corporation":false,"usgs":true,"family":"Denny","given":"J.","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":427076,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Schwab, W. C.","contributorId":78740,"corporation":false,"usgs":true,"family":"Schwab","given":"W.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":427083,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}}
,{"id":70030467,"text":"70030467 - 2006 - Petrography and geochemistry of the Middle Devonian coal from Luquan, Yunnan Province, China","interactions":[],"lastModifiedDate":"2012-03-12T17:21:03","indexId":"70030467","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1709,"text":"Fuel","active":true,"publicationSubtype":{"id":10}},"title":"Petrography and geochemistry of the Middle Devonian coal from Luquan, Yunnan Province, China","docAbstract":"Coals from Luquan, Yunnan Province, China, have high contents of cutinite and microsporinite, with an average of 55 and 33.5 vol%, respectively, (on a mineral-free basis). The coals are classified as cutinitic liptobiolith, sporinite-rich durain, cutinite-rich durain, and sporinitic liptobiolith. These four liptinite-rich coals are often interlayered within the coal bed section and vary transversely within the coal bed. The vitrinite content varies from as low as 1.6-20.5% (mineral-free basis), and it is dominated by collodetrinite, collotelinite, and corpogelinite. The maceral composition may be attributed to the type of the peat-forming plant communities. Moreover, the Luquan coals are characterized by high contents of volatile matter, hydrogen, and oxygen, and the high values of the atomic hydrogen to carbon ratio as a result of the maceral composition. As compared with the common Chinese coals and the upper continental crust, the Luquan coals are enriched in Li, B, Cu, Ga, Se, Rb, Mo, Ba, Pb, Bi, and U, with averages of 99.9, 250, 111, 24.4, 4.55, 130, 58.8, 1276, 162, 3.85, and 34.1 ??g/g, respectively. The SEM-EDX results show that V, Cr, Ga, and Rb occur mainly in clay minerals, and Cu and Pb are associated with clay minerals and pyrite, and Mo and U are mainly in clay minerals and organic matter. Barite and clay minerals are the main carrier of barium. The high B and U contents are probably resulted from deep seawater influence during coal formation. ?? 2005 Elsevier Ltd. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Fuel","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.fuel.2005.08.017","issn":"00162361","usgsCitation":"Dai, S., Han, D., and Chou, C.L., 2006, Petrography and geochemistry of the Middle Devonian coal from Luquan, Yunnan Province, China: Fuel, v. 85, no. 4, p. 456-464, https://doi.org/10.1016/j.fuel.2005.08.017.","startPage":"456","endPage":"464","numberOfPages":"9","costCenters":[],"links":[{"id":212042,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.fuel.2005.08.017"},{"id":239450,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"85","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a779ee4b0c8380cd78536","contributors":{"authors":[{"text":"Dai, S.","contributorId":9757,"corporation":false,"usgs":true,"family":"Dai","given":"S.","email":"","affiliations":[],"preferred":false,"id":427248,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Han, D.","contributorId":23740,"corporation":false,"usgs":true,"family":"Han","given":"D.","email":"","affiliations":[],"preferred":false,"id":427249,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Chou, C. L.","contributorId":32655,"corporation":false,"usgs":false,"family":"Chou","given":"C.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":427250,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70030350,"text":"70030350 - 2006 - Application of Bacteroides fragilis phage as an alternative indicator of sewage pollution in Tampa Bay, Florida","interactions":[],"lastModifiedDate":"2021-05-14T18:47:48.951504","indexId":"70030350","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1584,"text":"Estuaries and Coasts","active":true,"publicationSubtype":{"id":10}},"title":"Application of Bacteroides fragilis phage as an alternative indicator of sewage pollution in Tampa Bay, Florida","docAbstract":"<p><span>Traditional fecal coliform bacterial indicators have been found to be severely limited in determining the significance and sources of fecal contamination in ambient waters of tropical and subtropical regions. The bacteriophages that infect</span><i>Bacteroides fragilis</i><span>&nbsp;have been suggested as better fecal indicators and at least one type may be human specific. In this study, the phages that infect</span><i>B. fragilis</i><span>&nbsp;host RYC2056 (RYC), including phage B56-3, and host ATCC 51477-HSP40 (HSP), including the human specific phage B40-8, were evaluated in the drainage basins of Tampa Bay, 7 samples (n=62), or 11%, tested positive for the presence of phages infecting the host HSP, whereas 28 samples, or 45%, tested positive using the host RYC. A survival study was also done to compare the persistence of phages B56-3 and B40-8 to MS2 coliphage in seawater at various temperatures. The decay rates for MS2 were 0.239 log</span><sub>10</sub><span>&nbsp;d</span><sup>−1</sup><span>&nbsp;at 10°C, but increased to 0.896 at 20°C and 2.62 log</span><sub>10</sub><span>&nbsp;d</span><sup>−1</sup><span>&nbsp;at 30°C. The two</span><i>B. fragilis</i><span>&nbsp;phages persisted much longer in the seawater compared to the coliphage and showed little variation between the temperatures. All sewage influents sampled from area wastewater treatment plants contained phages that infected the two</span><i>B. fragilis</i><span>&nbsp;hosts at levels from 1.2×10</span><sup>4</sup><span>&nbsp;to 1.11×10</span><sup>5</sup><span>&nbsp;pfu 100 ml</span><sup>−1</sup><span>&nbsp;for host RYC and 67 to 350 pfu 100 ml</span><sup>−1</sup><span>&nbsp;for host HSP. Of the 7 chlorinated effluent samples tested, 3 were positive for the presence of the phage using the host RYC and the phage enrichment method, with levels estimated to be &lt;10 pfu 100 ml</span><sup>−1</sup><span>. No phages were detected using the host HSP in the treated sewage effluent. Coliphages were found in 3 of the 7 effluent samples at a range of 30 to 1.2×10</span><sup>3</sup><span>&nbsp;pfu 100 ml</span><sup>−1</sup><span>.</span></p>","language":"English","publisher":"Springer","doi":"10.1007/BF02781993","issn":"15592723","usgsCitation":"McLaughlin, M., and Rose, J., 2006, Application of Bacteroides fragilis phage as an alternative indicator of sewage pollution in Tampa Bay, Florida: Estuaries and Coasts, v. 29, no. 2, p. 246-256, https://doi.org/10.1007/BF02781993.","productDescription":"11 p.","startPage":"246","endPage":"256","costCenters":[],"links":[{"id":385651,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United  States","state":"Florida","otherGeospatial":"Tampa Bay","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -82.76962280273436,\n              27.62149006586649\n            ],\n            [\n              -82.35763549804688,\n              27.62149006586649\n            ],\n            [\n              -82.35763549804688,\n              28.050166892603695\n            ],\n            [\n              -82.76962280273436,\n              28.050166892603695\n            ],\n            [\n              -82.76962280273436,\n              27.62149006586649\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"29","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059ec85e4b0c8380cd492fc","contributors":{"authors":[{"text":"McLaughlin, M.R.","contributorId":50334,"corporation":false,"usgs":true,"family":"McLaughlin","given":"M.R.","email":"","affiliations":[],"preferred":false,"id":426804,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rose, J.B.","contributorId":60825,"corporation":false,"usgs":true,"family":"Rose","given":"J.B.","email":"","affiliations":[],"preferred":false,"id":426805,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70030357,"text":"70030357 - 2006 - Episodic fresh surface waters in the Eocene Arctic Ocean","interactions":[],"lastModifiedDate":"2012-03-12T17:21:02","indexId":"70030357","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2840,"text":"Nature","active":true,"publicationSubtype":{"id":10}},"title":"Episodic fresh surface waters in the Eocene Arctic Ocean","docAbstract":"It has been suggested, on the basis of modern hydrology and fully coupled palaeoclimate simulations, that the warm greenhouse conditions that characterized the early Palaeogene period (55-45 Myr ago) probably induced an intensified hydrological cycle with precipitation exceeding evaporation at high latitudes. Little field evidence, however, has been available to constrain oceanic conditions in the Arctic during this period. Here we analyse Palaeogene sediments obtained during the Arctic Coring Expedition, showing that large quantities of the free-floating fern Azolla grew and reproduced in the Arctic Ocean by the onset of the middle Eocene epoch (???50 Myr ago). The Azolla and accompanying abundant freshwater organic and siliceous microfossils indicate an episodic freshening of Arctic surface waters during an ???800,000-year interval. The abundant remains of Azolla that characterize basal middle Eocene marine deposits of all Nordic seas probably represent transported assemblages resulting from freshwater spills from the Arctic Ocean that reached as far south as the North Sea. The termination of the Azolla phase in the Arctic coincides with a local sea surface temperature rise from ???10??C to 13??C, pointing to simultaneous increases in salt and heat supply owing to the influx of waters from adjacent oceans. We suggest that onset and termination of the Azolla phase depended on the degree of oceanic exchange between Arctic Ocean and adjacent seas. ?? 2006 Nature Publishing Group.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Nature","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1038/nature04692","issn":"00280836","usgsCitation":"Brinkhuis, H., Schouten, S., Collinson, M., Sluijs, A., Damste, J., Dickens, G., Huber, M., Cronin, T.M., Onodera, J., Takahashi, K., Bujak, J., Stein, R., Van Der Burgh, J., Eldrett, J., Harding, I., Lotter, A., Sangiorgi, F., Cittert, H., De Leeuw, J.W., Matthiessen, J., Backman, J., and Moran, K., 2006, Episodic fresh surface waters in the Eocene Arctic Ocean: Nature, v. 441, no. 7093, p. 606-609, https://doi.org/10.1038/nature04692.","startPage":"606","endPage":"609","numberOfPages":"4","costCenters":[],"links":[{"id":487649,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://digitalcommons.uri.edu/gsofacpubs/1721","text":"External Repository"},{"id":212005,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1038/nature04692"},{"id":239406,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"441","issue":"7093","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0a10e4b0c8380cd521aa","contributors":{"authors":[{"text":"Brinkhuis, H.","contributorId":89719,"corporation":false,"usgs":true,"family":"Brinkhuis","given":"H.","affiliations":[],"preferred":false,"id":426842,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schouten, S.","contributorId":7064,"corporation":false,"usgs":true,"family":"Schouten","given":"S.","email":"","affiliations":[],"preferred":false,"id":426822,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Collinson, M.E.","contributorId":49600,"corporation":false,"usgs":true,"family":"Collinson","given":"M.E.","email":"","affiliations":[],"preferred":false,"id":426836,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Sluijs, A.","contributorId":42035,"corporation":false,"usgs":true,"family":"Sluijs","given":"A.","affiliations":[],"preferred":false,"id":426832,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Damste, J.S.S.","contributorId":47117,"corporation":false,"usgs":true,"family":"Damste","given":"J.S.S.","affiliations":[],"preferred":false,"id":426834,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Dickens, G.R.","contributorId":88101,"corporation":false,"usgs":true,"family":"Dickens","given":"G.R.","email":"","affiliations":[],"preferred":false,"id":426841,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Huber, M.","contributorId":79703,"corporation":false,"usgs":true,"family":"Huber","given":"M.","email":"","affiliations":[],"preferred":false,"id":426840,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Cronin, T. M. 0000-0002-2643-0979","orcid":"https://orcid.org/0000-0002-2643-0979","contributorId":42613,"corporation":false,"usgs":true,"family":"Cronin","given":"T.","email":"","middleInitial":"M.","affiliations":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"preferred":false,"id":426833,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Onodera, J.","contributorId":31572,"corporation":false,"usgs":true,"family":"Onodera","given":"J.","email":"","affiliations":[],"preferred":false,"id":426829,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Takahashi, K.","contributorId":10998,"corporation":false,"usgs":true,"family":"Takahashi","given":"K.","affiliations":[],"preferred":false,"id":426823,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Bujak, J.P.","contributorId":49928,"corporation":false,"usgs":true,"family":"Bujak","given":"J.P.","email":"","affiliations":[],"preferred":false,"id":426837,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Stein, R.","contributorId":18507,"corporation":false,"usgs":true,"family":"Stein","given":"R.","affiliations":[],"preferred":false,"id":426826,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Van Der Burgh, J.","contributorId":59629,"corporation":false,"usgs":true,"family":"Van Der Burgh","given":"J.","email":"","affiliations":[],"preferred":false,"id":426838,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Eldrett, J.S.","contributorId":30441,"corporation":false,"usgs":true,"family":"Eldrett","given":"J.S.","email":"","affiliations":[],"preferred":false,"id":426828,"contributorType":{"id":1,"text":"Authors"},"rank":14},{"text":"Harding, I.C.","contributorId":35946,"corporation":false,"usgs":true,"family":"Harding","given":"I.C.","email":"","affiliations":[],"preferred":false,"id":426830,"contributorType":{"id":1,"text":"Authors"},"rank":15},{"text":"Lotter, A.F.","contributorId":19366,"corporation":false,"usgs":true,"family":"Lotter","given":"A.F.","email":"","affiliations":[],"preferred":false,"id":426827,"contributorType":{"id":1,"text":"Authors"},"rank":16},{"text":"Sangiorgi, F.","contributorId":15828,"corporation":false,"usgs":true,"family":"Sangiorgi","given":"F.","affiliations":[],"preferred":false,"id":426825,"contributorType":{"id":1,"text":"Authors"},"rank":17},{"text":"Cittert, H.V.K.V.","contributorId":15409,"corporation":false,"usgs":true,"family":"Cittert","given":"H.V.K.V.","email":"","affiliations":[],"preferred":false,"id":426824,"contributorType":{"id":1,"text":"Authors"},"rank":18},{"text":"De Leeuw, J. W.","contributorId":64406,"corporation":false,"usgs":true,"family":"De Leeuw","given":"J.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":426839,"contributorType":{"id":1,"text":"Authors"},"rank":19},{"text":"Matthiessen, J.","contributorId":37531,"corporation":false,"usgs":true,"family":"Matthiessen","given":"J.","email":"","affiliations":[],"preferred":false,"id":426831,"contributorType":{"id":1,"text":"Authors"},"rank":20},{"text":"Backman, J.","contributorId":49596,"corporation":false,"usgs":true,"family":"Backman","given":"J.","email":"","affiliations":[],"preferred":false,"id":426835,"contributorType":{"id":1,"text":"Authors"},"rank":21},{"text":"Moran, K.","contributorId":96479,"corporation":false,"usgs":true,"family":"Moran","given":"K.","email":"","affiliations":[],"preferred":false,"id":426843,"contributorType":{"id":1,"text":"Authors"},"rank":22}]}}
,{"id":70030529,"text":"70030529 - 2006 - Sensitivity of two salamander (Ambystoma) species to ultraviolet radiation","interactions":[],"lastModifiedDate":"2016-06-03T16:21:07","indexId":"70030529","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2334,"text":"Journal of Herpetology","active":true,"publicationSubtype":{"id":10}},"title":"Sensitivity of two salamander (Ambystoma) species to ultraviolet radiation","docAbstract":"<p>Increased ultraviolet-B (UV-B) radiation reaching the Earth's surface has been implicated in amphibian declines. Recent studies have shown that many amphibian species have differences in sensitivity depending on developmental stage. Embryos and larvae of Ambystoma maculatum (Spotted Salamander) and larvae of Ambystoma talpoideum (Mole Salamander) were exposed to five simulated UV-B treatments in controlled laboratory experiments to determine the relative sensitivity of different lifestages. Hatching success of the embryos exceeded 95% in all treatments; however, the larvae of both species exhibited greater sensitivity to UV-B exposure. Older larvae of A. maculatum that were not exposed to UV-B as embryos were more sensitive than larvae that had hatched during exposure to UV-B. Growth of surviving larvae of A. maculatum was significantly reduced as UV-B intensity increased, whereas growth of A. talpoideum was unaffected. These results were compared to ambient UV-B conditions in natural environments. It appears that the embryo stage is relatively unaffected by UV-B levels observed in natural habitats, probably because of protection from vegetation, organic matter in the water column, oviposition depth, and egg jelly. The larval stage of these species may be at greater risk, particularly if there is an increase in UV-B radiation exposure caused by increases in water clarity and/or decreases in dissolved organic carbon.</p>","language":"English","publisher":"Bioone","doi":"10.1670/99-05A.1","issn":"00221511","usgsCitation":"Calfee, R., Bridges, C., and Little, E.E., 2006, Sensitivity of two salamander (Ambystoma) species to ultraviolet radiation: Journal of Herpetology, v. 40, no. 1, p. 35-42, https://doi.org/10.1670/99-05A.1.","productDescription":"8 p.","startPage":"35","endPage":"42","numberOfPages":"8","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"links":[{"id":211929,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1670/99-05A.1"},{"id":239313,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"40","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b8d37e4b08c986b3182e1","contributors":{"authors":[{"text":"Calfee, R.D.","contributorId":85130,"corporation":false,"usgs":true,"family":"Calfee","given":"R.D.","affiliations":[],"preferred":false,"id":427537,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bridges, C.M.","contributorId":104652,"corporation":false,"usgs":true,"family":"Bridges","given":"C.M.","affiliations":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"preferred":false,"id":427538,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Little, E. E.","contributorId":13187,"corporation":false,"usgs":true,"family":"Little","given":"E.","email":"","middleInitial":"E.","affiliations":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"preferred":false,"id":427536,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70030474,"text":"70030474 - 2006 - Nature and characteristics of the flows that carved the Simud and Tiu outflow channels, Mars","interactions":[],"lastModifiedDate":"2012-03-12T17:21:13","indexId":"70030474","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1807,"text":"Geophysical Research Letters","active":true,"publicationSubtype":{"id":10}},"title":"Nature and characteristics of the flows that carved the Simud and Tiu outflow channels, Mars","docAbstract":"Geomorphic and topographic relations of higher and lower levels of dissection within the Simud and Tiu Valles outflow channels on Mars reveal new insights into their formational histories. We find that the water floods that carved the higher channel floors were primarily sourced from Hydaspis Chaos. The floods apparently branched into distributaries downstream that promoted rapid freezing and sublimation of water and limited discharge into the lowlands. In contrast, we suggest that the lower outflow channels were carved by debris flows from Hydraotes Chaos. Surges within individual debris flows possessed variable volatile contents and led to the deposition of smooth deposits marked by low relief longitudinal ridges. Lower outflow channel discharges resulted in widespread deposition within the Simud/Tiu Valles as well as within the northern plains of Mars. Copyright 2006 by the American Geophysical Union.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geophysical Research Letters","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1029/2005GL024320","issn":"00948276","usgsCitation":"Rodriguez, J., Tanaka, K.L., Miyamoto, H., and Sasaki, S., 2006, Nature and characteristics of the flows that carved the Simud and Tiu outflow channels, Mars: Geophysical Research Letters, v. 33, no. 8, https://doi.org/10.1029/2005GL024320.","costCenters":[],"links":[{"id":212128,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2005GL024320"},{"id":239555,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"33","issue":"8","noUsgsAuthors":false,"publicationDate":"2006-03-14","publicationStatus":"PW","scienceBaseUri":"505a638fe4b0c8380cd7256e","contributors":{"authors":[{"text":"Rodriguez, J.A.P.","contributorId":55948,"corporation":false,"usgs":true,"family":"Rodriguez","given":"J.A.P.","email":"","affiliations":[],"preferred":false,"id":427271,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tanaka, K. L.","contributorId":31394,"corporation":false,"usgs":false,"family":"Tanaka","given":"K.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":427270,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Miyamoto, H.","contributorId":56831,"corporation":false,"usgs":true,"family":"Miyamoto","given":"H.","email":"","affiliations":[],"preferred":false,"id":427272,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Sasaki, S.","contributorId":78534,"corporation":false,"usgs":true,"family":"Sasaki","given":"S.","email":"","affiliations":[],"preferred":false,"id":427273,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70030344,"text":"70030344 - 2006 - Long-term eruptive activity at a submarine arc volcano","interactions":[],"lastModifiedDate":"2012-03-12T17:21:03","indexId":"70030344","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2840,"text":"Nature","active":true,"publicationSubtype":{"id":10}},"title":"Long-term eruptive activity at a submarine arc volcano","docAbstract":"Three-quarters of the Earth's volcanic activity is submarine, located mostly along the mid-ocean ridges, with the remainder along intraoceanic arcs and hotspots at depths varying from greater than 4,000 m to near the sea surface. Most observations and sampling of submarine eruptions have been indirect, made from surface vessels or made after the fact. We describe here direct observations and sampling of an eruption at a submarine arc volcano named NW Rota-1, located 60 km northwest of the island of Rota (Commonwealth of the Northern Mariana Islands). We observed a pulsating plume permeated with droplets of molten sulphur disgorging volcanic ash and lapilli from a 15-m diameter pit in March 2004 and again in October 2005 near the summit of the volcano at a water depth of 555 m (depth in 2004). A turbid layer found on the flanks of the volcano (in 2004) at depths from 700 m to more than 1,400 m was probably formed by mass-wasting events related to the eruption. Long-term eruptive activity has produced an unusual chemical environment and a very unstable benthic habitat exploited by only a few mobile decapod species. Such conditions are perhaps distinctive of active arc and hotspot volcanoes. ?? 2006 Nature Publishing Group.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Nature","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1038/nature04762","issn":"00280836","usgsCitation":"Embley, R., Chadwick, W., Baker, E., Butterfield, D., Resing, J., de Ronde, C.E., Tunnicliffe, V., Lupton, J., Juniper, S., Rubin, K., Stern, R.J., Lebon, G., Nakamura, K., Merle, S., Hein, J., Wiens, D., and Tamura, Y., 2006, Long-term eruptive activity at a submarine arc volcano: Nature, v. 441, no. 7092, p. 494-497, https://doi.org/10.1038/nature04762.","startPage":"494","endPage":"497","numberOfPages":"4","costCenters":[],"links":[{"id":211803,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1038/nature04762"},{"id":239166,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"441","issue":"7092","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a498de4b0c8380cd686e9","contributors":{"authors":[{"text":"Embley, R.W.","contributorId":28616,"corporation":false,"usgs":true,"family":"Embley","given":"R.W.","email":"","affiliations":[],"preferred":false,"id":426765,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Chadwick, W.W. Jr.","contributorId":35876,"corporation":false,"usgs":true,"family":"Chadwick","given":"W.W.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":426766,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Baker, E.T.","contributorId":11584,"corporation":false,"usgs":true,"family":"Baker","given":"E.T.","email":"","affiliations":[],"preferred":false,"id":426763,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Butterfield, D.A.","contributorId":55638,"corporation":false,"usgs":true,"family":"Butterfield","given":"D.A.","email":"","affiliations":[],"preferred":false,"id":426769,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Resing, J.A.","contributorId":70186,"corporation":false,"usgs":true,"family":"Resing","given":"J.A.","affiliations":[],"preferred":false,"id":426772,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"de Ronde, Cornel E. J.","contributorId":98109,"corporation":false,"usgs":true,"family":"de Ronde","given":"Cornel","email":"","middleInitial":"E. J.","affiliations":[],"preferred":false,"id":426776,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Tunnicliffe, V.","contributorId":58841,"corporation":false,"usgs":true,"family":"Tunnicliffe","given":"V.","affiliations":[],"preferred":false,"id":426770,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Lupton, J.E.","contributorId":98716,"corporation":false,"usgs":true,"family":"Lupton","given":"J.E.","email":"","affiliations":[],"preferred":false,"id":426777,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Juniper, S.K.","contributorId":52396,"corporation":false,"usgs":true,"family":"Juniper","given":"S.K.","email":"","affiliations":[],"preferred":false,"id":426768,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Rubin, K.H.","contributorId":17041,"corporation":false,"usgs":true,"family":"Rubin","given":"K.H.","email":"","affiliations":[],"preferred":false,"id":426764,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Stern, R. J.","contributorId":8616,"corporation":false,"usgs":true,"family":"Stern","given":"R.","middleInitial":"J.","affiliations":[],"preferred":false,"id":426761,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Lebon, G.T.","contributorId":84155,"corporation":false,"usgs":true,"family":"Lebon","given":"G.T.","email":"","affiliations":[],"preferred":false,"id":426774,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Nakamura, K.-I.","contributorId":11407,"corporation":false,"usgs":true,"family":"Nakamura","given":"K.-I.","email":"","affiliations":[],"preferred":false,"id":426762,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Merle, S.G.","contributorId":36360,"corporation":false,"usgs":true,"family":"Merle","given":"S.G.","affiliations":[],"preferred":false,"id":426767,"contributorType":{"id":1,"text":"Authors"},"rank":14},{"text":"Hein, J.R. 0000-0002-5321-899X","orcid":"https://orcid.org/0000-0002-5321-899X","contributorId":61429,"corporation":false,"usgs":true,"family":"Hein","given":"J.R.","affiliations":[],"preferred":false,"id":426771,"contributorType":{"id":1,"text":"Authors"},"rank":15},{"text":"Wiens, D.A.","contributorId":94802,"corporation":false,"usgs":true,"family":"Wiens","given":"D.A.","email":"","affiliations":[],"preferred":false,"id":426775,"contributorType":{"id":1,"text":"Authors"},"rank":16},{"text":"Tamura, Y.","contributorId":76546,"corporation":false,"usgs":true,"family":"Tamura","given":"Y.","email":"","affiliations":[],"preferred":false,"id":426773,"contributorType":{"id":1,"text":"Authors"},"rank":17}]}}
,{"id":70030528,"text":"70030528 - 2006 - A look-back at 1906 - Perspectives on great earthquakes and post-earthquake investigations","interactions":[],"lastModifiedDate":"2012-03-12T17:21:04","indexId":"70030528","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3372,"text":"Seismological Research Letters","onlineIssn":"1938-2057","printIssn":"0895-0695","active":true,"publicationSubtype":{"id":10}},"title":"A look-back at 1906 - Perspectives on great earthquakes and post-earthquake investigations","docAbstract":"[No abstract available]","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Seismological Research Letters","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"08950695","usgsCitation":"Schwartz, D.P., 2006, A look-back at 1906 - Perspectives on great earthquakes and post-earthquake investigations: Seismological Research Letters, v. 77, no. 2, p. 123-127.","startPage":"123","endPage":"127","numberOfPages":"5","costCenters":[],"links":[{"id":239312,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"77","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e441e4b0c8380cd46523","contributors":{"authors":[{"text":"Schwartz, David P. 0000-0001-5193-9200","orcid":"https://orcid.org/0000-0001-5193-9200","contributorId":52968,"corporation":false,"usgs":true,"family":"Schwartz","given":"David","middleInitial":"P.","affiliations":[],"preferred":false,"id":427535,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70030477,"text":"70030477 - 2006 - Albatross species demonstrate regional differences in North Pacific marine contamination","interactions":[],"lastModifiedDate":"2012-03-12T17:21:04","indexId":"70030477","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1450,"text":"Ecological Applications","active":true,"publicationSubtype":{"id":10}},"title":"Albatross species demonstrate regional differences in North Pacific marine contamination","docAbstract":"Recent concern about negative effects on human health from elevated organochlorine and mercury concentrations in marine foods has highlighted the need to understand temporal and spatial patterns of marine pollution. Seabirds, long-lived pelagic predators with wide foraging ranges, can be used as indicators of regional contaminant patterns across large temporal and spatial scales. Here we evaluate contaminant levels, carbon and nitrogen stable isotope ratios, and satellite telemetry data from two sympatrically breeding North Pacific albatross species to demonstrate that (1) organochlorine and mercury contaminant levels are significantly higher in the California Current compared to levels in the high-latitude North Pacific and (2) levels of organochlorine contaminants in the North Paci.c are increasing over time. Black-footed Albatrosses (Phoebastria nigripes) had 370-460% higher organochlorine (polychlorinated biphenyls [PCBs], dichlorodiphenyltrichloroethanes [DDTs]) and mercury body burdens than a closely related species, the Laysan Albatross (P. immutabilis), primarily due to regional segregation of their North Pacific foraging areas. PCBs (the sum of the individual PCB congeners analyzed) and DDE concentrations in both albatross species were 130-360% higher than concentrations measured a decade ago. Our results demonstrate dramatically high and increasing contaminant concentrations in the eastern North Pacific Ocean, a finding relevant to other marine predators, including humans. ?? 2006 by the Ecological Society of America.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ecological Applications","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"10510761","usgsCitation":"Finkelstein, M., Keitt, B., Croll, D., Tershy, B., Jarman, W.M., Rodriguez-Pastor, S., Anderson, D., Sievert, P., and Smith, D., 2006, Albatross species demonstrate regional differences in North Pacific marine contamination: Ecological Applications, v. 16, no. 2, p. 678-686.","startPage":"678","endPage":"686","numberOfPages":"9","costCenters":[],"links":[{"id":239068,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"16","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e953e4b0c8380cd481e3","contributors":{"authors":[{"text":"Finkelstein, M.","contributorId":103776,"corporation":false,"usgs":true,"family":"Finkelstein","given":"M.","email":"","affiliations":[],"preferred":false,"id":427288,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Keitt, B.S.","contributorId":30440,"corporation":false,"usgs":true,"family":"Keitt","given":"B.S.","email":"","affiliations":[],"preferred":false,"id":427283,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Croll, D.A.","contributorId":28058,"corporation":false,"usgs":true,"family":"Croll","given":"D.A.","email":"","affiliations":[],"preferred":false,"id":427282,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Tershy, B.","contributorId":96898,"corporation":false,"usgs":true,"family":"Tershy","given":"B.","email":"","affiliations":[],"preferred":false,"id":427286,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Jarman, Walter M.","contributorId":21895,"corporation":false,"usgs":false,"family":"Jarman","given":"Walter","email":"","middleInitial":"M.","affiliations":[{"id":6950,"text":"U CA Santa Cruz Long Marine Laboratory","active":true,"usgs":false}],"preferred":false,"id":427281,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Rodriguez-Pastor, S.","contributorId":99371,"corporation":false,"usgs":true,"family":"Rodriguez-Pastor","given":"S.","email":"","affiliations":[],"preferred":false,"id":427287,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Anderson, D.J.","contributorId":53598,"corporation":false,"usgs":true,"family":"Anderson","given":"D.J.","email":"","affiliations":[],"preferred":false,"id":427285,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Sievert, P.R.","contributorId":104858,"corporation":false,"usgs":true,"family":"Sievert","given":"P.R.","email":"","affiliations":[],"preferred":false,"id":427289,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Smith, D. R. 0000-0001-6074-9257","orcid":"https://orcid.org/0000-0001-6074-9257","contributorId":44108,"corporation":false,"usgs":true,"family":"Smith","given":"D. R.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":false,"id":427284,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}}
,{"id":70030531,"text":"70030531 - 2006 - A spatial modeling approach to identify potential butternut restoration sites in Mammoth Cave National Park","interactions":[],"lastModifiedDate":"2012-03-12T17:21:04","indexId":"70030531","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3271,"text":"Restoration Ecology","active":true,"publicationSubtype":{"id":10}},"title":"A spatial modeling approach to identify potential butternut restoration sites in Mammoth Cave National Park","docAbstract":"Incorporation of disease resistance is nearly complete for several important North American hardwood species threatened by exotic fungal diseases. The next important step toward species restoration would be to develop reliable tools to delineate ideal restoration sites on a landscape scale. We integrated spatial modeling and remote sensing techniques to delineate potential restoration sites for Butternut (Juglans cinerea L.) trees, a hardwood species being decimated by an exotic fungus, in Mammoth Cave National Park (MCNP), Kentucky. We first developed a multivariate habitat model to determine optimum Butternut habitats within MCNP. Habitat characteristics of 54 known Butternut locations were used in combination with eight topographic and land use data layers to calculate an index of habitat suitability based on Mahalanobis distance (D2). We used a bootstrapping technique to test the reliability of model predictions. Based on a threshold value for the D2 statistic, 75.9% of the Butternut locations were correctly classified, indicating that the habitat model performed well. Because Butternut seedlings require extensive amounts of sunlight to become established, we used canopy cover data to refine our delineation of favorable areas for Butternut restoration. Areas with the most favorable conditions to establish Butternut seedlings were limited to 291.6 ha. Our study provides a useful reference on the amount and location of favorable Butternut habitat in MCNP and can be used to identify priority areas for future Butternut restoration. Given the availability of relevant habitat layers and accurate location records, our approach can be applied to other tree species and areas. ?? 2006 Society for Ecological Restoration International.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Restoration Ecology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1526-100X.2006.00131.x","issn":"10612971","usgsCitation":"Thompson, L., Van Manen, F., Schlarbaum, S., and DePoy, M., 2006, A spatial modeling approach to identify potential butternut restoration sites in Mammoth Cave National Park: Restoration Ecology, v. 14, no. 2, p. 289-296, https://doi.org/10.1111/j.1526-100X.2006.00131.x.","startPage":"289","endPage":"296","numberOfPages":"8","costCenters":[],"links":[{"id":211958,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1526-100X.2006.00131.x"},{"id":239348,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"14","issue":"2","noUsgsAuthors":false,"publicationDate":"2006-05-18","publicationStatus":"PW","scienceBaseUri":"5059e5a2e4b0c8380cd46ead","contributors":{"authors":[{"text":"Thompson, L.M.","contributorId":91684,"corporation":false,"usgs":true,"family":"Thompson","given":"L.M.","email":"","affiliations":[],"preferred":false,"id":427544,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Van Manen, F.T.","contributorId":45241,"corporation":false,"usgs":true,"family":"Van Manen","given":"F.T.","email":"","affiliations":[],"preferred":false,"id":427543,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Schlarbaum, S.E.","contributorId":18943,"corporation":false,"usgs":true,"family":"Schlarbaum","given":"S.E.","affiliations":[],"preferred":false,"id":427542,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"DePoy, M.","contributorId":106706,"corporation":false,"usgs":true,"family":"DePoy","given":"M.","email":"","affiliations":[],"preferred":false,"id":427545,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70030519,"text":"70030519 - 2006 - Exact three-dimensional spectral solution to surface-groundwater interactions with arbitrary surface topography","interactions":[],"lastModifiedDate":"2018-10-22T10:15:43","indexId":"70030519","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1807,"text":"Geophysical Research Letters","active":true,"publicationSubtype":{"id":10}},"title":"Exact three-dimensional spectral solution to surface-groundwater interactions with arbitrary surface topography","docAbstract":"<div class=\"article-section__content en main\"><p><span id=\"_mce_caret\" data-mce-bogus=\"1\" data-mce-type=\"format-caret\"><span class=\"paraNumber\"><span></span></span></span>It has been long known that land surface topography governs both groundwater flow patterns at the regional‐to‐continental scale and on smaller scales such as in the hyporheic zone of streams. Here we show that the surface topography can be separated in a Fourier‐series spectrum that provides an exact solution of the underlying three‐dimensional groundwater flows. The new spectral solution offers a practical tool for fast calculation of subsurface flows in different hydrological applications and provides a theoretical platform for advancing conceptual understanding of the effect of landscape topography on subsurface flows. We also show how the spectrum of surface topography influences the residence time distribution for subsurface flows. The study indicates that the subsurface head variation decays exponentially with depth faster than it would with equivalent two‐dimensional features, resulting in a shallower flow interaction.</p></div>","language":"English","publisher":"AGU","doi":"10.1029/2006GL025747","issn":"00948276","usgsCitation":"Worman, A., Packman, A., Marklund, L., Harvey, J., and Stone, S., 2006, Exact three-dimensional spectral solution to surface-groundwater interactions with arbitrary surface topography: Geophysical Research Letters, v. 33, no. 7, L07402, https://doi.org/10.1029/2006GL025747.","productDescription":"L07402","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":239176,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":211811,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2006GL025747"}],"volume":"33","issue":"7","noUsgsAuthors":false,"publicationDate":"2006-04-07","publicationStatus":"PW","scienceBaseUri":"505a0d95e4b0c8380cd530cc","contributors":{"authors":[{"text":"Worman, A.","contributorId":105534,"corporation":false,"usgs":true,"family":"Worman","given":"A.","email":"","affiliations":[],"preferred":false,"id":427480,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Packman, A.I.","contributorId":37539,"corporation":false,"usgs":true,"family":"Packman","given":"A.I.","email":"","affiliations":[],"preferred":false,"id":427476,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Marklund, L.","contributorId":69786,"corporation":false,"usgs":true,"family":"Marklund","given":"L.","affiliations":[],"preferred":false,"id":427479,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Harvey, J. W. 0000-0002-2654-9873","orcid":"https://orcid.org/0000-0002-2654-9873","contributorId":39725,"corporation":false,"usgs":true,"family":"Harvey","given":"J. W.","affiliations":[],"preferred":false,"id":427477,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Stone, S.H.","contributorId":48763,"corporation":false,"usgs":true,"family":"Stone","given":"S.H.","email":"","affiliations":[],"preferred":false,"id":427478,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70030347,"text":"70030347 - 2006 - Diversity, composition, and geographical distribution of microbial communities in California salt marsh sediments","interactions":[],"lastModifiedDate":"2018-09-13T15:51:44","indexId":"70030347","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":850,"text":"Applied and Environmental Microbiology","active":true,"publicationSubtype":{"id":10}},"title":"Diversity, composition, and geographical distribution of microbial communities in California salt marsh sediments","docAbstract":"The Pacific Estuarine Ecosystem Indicators Research Consortium seeks to develop bioindicators of toxicant-induced stress and bioavailability for wetland biota. Within this framework, the effects of environmental and pollutant variables on microbial communities were studied at different spatial scales over a 2-year period. Six salt marshes along the California coastline were characterized using phospholipid fatty acid (PLFA) analysis and terminal restriction fragment length polymorphism (TRFLP) analysis. Additionally, 27 metals, six currently used pesticides, total polychlorinated biphenyls and polycyclic aromatic hydrocarbons, chlordanes, nonachlors, dichlorodiphenyldichloroethane, and dichlorodiphenyldichloroethylene were analyzed. Sampling was performed over large (between salt marshes), medium (stations within a marsh), and small (different channel depths) spatial scales. Regression and ordination analysis suggested that the spatial variation in microbial communities exceeded the variation attributable to pollutants. PLFA analysis and TRFLP canonical correspondence analysis (CCA) explained 74 and 43% of the variation, respectively, and both methods attributed 34% of the variation to tidal cycles, marsh, year, and latitude. After accounting for spatial variation using partial CCA, we found that metals had a greater effect on microbial community composition than organic pollutants had. Organic carbon and nitrogen contents were positively correlated with PLFA biomass, whereas total metal concentrations were positively correlated with biomass and diversity. Higher concentrations of heavy metals were negatively correlated with branched PLFAs and positively correlated with methyl- and cyclo-substituted PLFAs. The strong relationships observed between pollutant concentrations and some of the microbial indicators indicated the potential for using microbial community analyses in assessments of the ecosystem health of salt marshes. Copyright ?? 2006, American Society for Microbiology. All Rights Reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Applied and Environmental Microbiology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1128/AEM.72.5.3357-3366.2006","issn":"00992240","usgsCitation":"Cordova-Kreylos, A.L., Cao, Y., Green, P., Hwang, H., Kuivila, K., LaMontagne, M., Van De Werfhorst, L., Holden, P., and Scow, K., 2006, Diversity, composition, and geographical distribution of microbial communities in California salt marsh sediments: Applied and Environmental Microbiology, v. 72, no. 5, p. 3357-3366, https://doi.org/10.1128/AEM.72.5.3357-3366.2006.","startPage":"3357","endPage":"3366","numberOfPages":"10","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":477553,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://doi.org/10.1128/AEM.72.5.3357-3366.2006","text":"External Repository"},{"id":239230,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":211859,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1128/AEM.72.5.3357-3366.2006"}],"volume":"72","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0352e4b0c8380cd50426","contributors":{"authors":[{"text":"Cordova-Kreylos, A. L.","contributorId":11408,"corporation":false,"usgs":true,"family":"Cordova-Kreylos","given":"A.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":426785,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cao, Y.","contributorId":29991,"corporation":false,"usgs":true,"family":"Cao","given":"Y.","email":"","affiliations":[],"preferred":false,"id":426786,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Green, P.G.","contributorId":87348,"corporation":false,"usgs":true,"family":"Green","given":"P.G.","email":"","affiliations":[],"preferred":false,"id":426793,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hwang, H.-M.","contributorId":78150,"corporation":false,"usgs":true,"family":"Hwang","given":"H.-M.","email":"","affiliations":[],"preferred":false,"id":426792,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Kuivila, K.M.","contributorId":34529,"corporation":false,"usgs":true,"family":"Kuivila","given":"K.M.","email":"","affiliations":[],"preferred":false,"id":426787,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"LaMontagne, M.G.","contributorId":42033,"corporation":false,"usgs":true,"family":"LaMontagne","given":"M.G.","email":"","affiliations":[],"preferred":false,"id":426789,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Van De Werfhorst, L. C.","contributorId":35540,"corporation":false,"usgs":true,"family":"Van De Werfhorst","given":"L. C.","affiliations":[],"preferred":false,"id":426788,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Holden, P.A.","contributorId":65667,"corporation":false,"usgs":true,"family":"Holden","given":"P.A.","email":"","affiliations":[],"preferred":false,"id":426791,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Scow, K.M.","contributorId":44735,"corporation":false,"usgs":true,"family":"Scow","given":"K.M.","email":"","affiliations":[],"preferred":false,"id":426790,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}}
,{"id":70030473,"text":"70030473 - 2006 - Demographic patterns of postfire regeneration in Mediterranean-climate shrublands of California","interactions":[],"lastModifiedDate":"2012-03-12T17:21:13","indexId":"70030473","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1459,"text":"Ecological Monographs","active":true,"publicationSubtype":{"id":10}},"title":"Demographic patterns of postfire regeneration in Mediterranean-climate shrublands of California","docAbstract":"This study uses detailed demographic data to determine the extent to which functional groupings, based on seedling recruitment and resprouting response to fire, capture the dynamics of postfire responses and early successional change in fire-prone ecosystems. Following massive wildfires in southern California, USA, we sampled chaparral and sage scrub vegetation in nested 0.1-ha plots from 90 sites for five postfire years. Prefire density of woody skeletons and cover and density of all postfire species were recorded. Functional types of postfire obligate seeder, facultative seeder, and obligate resprouter are broadly useful but fail to capture much of the dynamics of postfire succession in these shrublands. For the woody flora, stratifying these three regeneration modes by life-form captures important differences. Postfire obligate-seeding shrubs exhibit a single postfire seedling cohort whereas the faster growing suffrutescent species reach reproductive maturity by the second year and produce multiple seedling cohorts. Postfire obligate-resprouting shrubs reach reproductive maturity early but have very limited seedling recruitment in the early postfire years, whereas obligate-resprouting subshrubs flower the first year from resprouts and have seedling recruitment pulses in the second and subsequent postfire years. For the rich herbaceous flora, further subdivisions are needed to capture the range of variation. Herbaceous perennials are nearly all postfire obligate resprouters, and there are important demographic differences during early succession in different growth forms such as geophytes and rhizomatous grasses. Annuals lack resprouting ability and are postfire obligate seeders. Some exhibit extreme life-history specialization and are present only in the immediate postfire year(s). Others are highly specialized on fire but persist during early succession, and still others are opportunistic species widely distributed on open sites but can expand their populations during early succession. ?? 2006 by the Ecological Society of America.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ecological Monographs","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"00129615","usgsCitation":"Keeley, J., Fotheringham, C.J., and Baer-Keeley, M., 2006, Demographic patterns of postfire regeneration in Mediterranean-climate shrublands of California: Ecological Monographs, v. 76, no. 2, p. 235-255.","startPage":"235","endPage":"255","numberOfPages":"21","costCenters":[],"links":[{"id":239554,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"76","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059fe82e4b0c8380cd4ed7e","contributors":{"authors":[{"text":"Keeley, Jon E. 0000-0002-4564-6521","orcid":"https://orcid.org/0000-0002-4564-6521","contributorId":69082,"corporation":false,"usgs":true,"family":"Keeley","given":"Jon E.","affiliations":[],"preferred":false,"id":427269,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Fotheringham, C. J.","contributorId":63334,"corporation":false,"usgs":true,"family":"Fotheringham","given":"C.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":427268,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Baer-Keeley, M.","contributorId":7239,"corporation":false,"usgs":true,"family":"Baer-Keeley","given":"M.","affiliations":[],"preferred":false,"id":427267,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70030465,"text":"70030465 - 2006 - Scattered surface wave energy in the seismic coda","interactions":[],"lastModifiedDate":"2013-05-09T13:17:11","indexId":"70030465","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3208,"text":"Pure and Applied Geophysics","active":true,"publicationSubtype":{"id":10}},"title":"Scattered surface wave energy in the seismic coda","docAbstract":"One of the many important contributions that Aki has made to seismology pertains to the origin of coda waves (Aki, 1969; Aki and Chouet, 1975). In this paper, I revisit Aki's original idea of the role of scattered surface waves in the seismic coda. Based on the radiative transfer theory, I developed a new set of scattered wave energy equations by including scattered surface waves and body wave to surface wave scattering conversions. The work is an extended study of Zeng et al. (1991), Zeng (1993) and Sato (1994a) on multiple isotropic-scattering, and may shed new insight into the seismic coda wave interpretation. The scattering equations are solved numerically by first discretizing the model at regular grids and then solving the linear integral equations iteratively. The results show that scattered wave energy can be well approximated by body-wave to body wave scattering at earlier arrival times and short distances. At long distances from the source, scattered surface waves dominate scattered body waves at surface stations. Since surface waves are 2-D propagating waves, their scattered energies should in theory follow a common decay curve. The observed common decay trends on seismic coda of local earthquake recordings particular at long lapse times suggest that perhaps later seismic codas are dominated by scattered surface waves. When efficient body wave to surface wave conversion mechanisms are present in the shallow crustal layers, such as soft sediment layers, the scattered surface waves dominate the seismic coda at even early arrival times for shallow sources and at later arrival times for deeper events.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Pure and Applied Geophysics","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1007/s00024-005-0025-7","issn":"00334553","usgsCitation":"Zeng, Y., 2006, Scattered surface wave energy in the seismic coda: Pure and Applied Geophysics, v. 163, no. 2-3, p. 533-548, https://doi.org/10.1007/s00024-005-0025-7.","startPage":"533","endPage":"548","numberOfPages":"16","costCenters":[],"links":[{"id":212011,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s00024-005-0025-7"},{"id":239414,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"163","issue":"2-3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b8730e4b08c986b316373","contributors":{"authors":[{"text":"Zeng, Y.","contributorId":23759,"corporation":false,"usgs":true,"family":"Zeng","given":"Y.","email":"","affiliations":[],"preferred":false,"id":427243,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70030533,"text":"70030533 - 2006 - Comment on \"Thermal and visual time-series at a seafloor gas hydrate deposit on the Gulf of Mexico slope,\" by I.R. MacDonald, L.C. Bender, M. Vardaro, B. Bernard, and J.M. Brooks[Earth Planet. Sci. Lett. 233 (2005) 49-59]","interactions":[],"lastModifiedDate":"2017-08-23T12:28:54","indexId":"70030533","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1427,"text":"Earth and Planetary Science Letters","active":true,"publicationSubtype":{"id":10}},"title":"Comment on \"Thermal and visual time-series at a seafloor gas hydrate deposit on the Gulf of Mexico slope,\" by I.R. MacDonald, L.C. Bender, M. Vardaro, B. Bernard, and J.M. Brooks[Earth Planet. Sci. Lett. 233 (2005) 49-59]","docAbstract":"[No abstract available]","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Earth and Planetary Science Letters","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.epsl.2005.11.062","issn":"0012821X","usgsCitation":"Waite, W., Ruppel, C., and Kirby, S.H., 2006, Comment on \"Thermal and visual time-series at a seafloor gas hydrate deposit on the Gulf of Mexico slope,\" by I.R. MacDonald, L.C. Bender, M. Vardaro, B. Bernard, and J.M. Brooks[Earth Planet. Sci. Lett. 233 (2005) 49-59]: Earth and Planetary Science Letters, v. 245, no. 1-2, p. 481-482, https://doi.org/10.1016/j.epsl.2005.11.062.","productDescription":"2 p.","startPage":"481","endPage":"482","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":239382,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"245","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f7e9e4b0c8380cd4cd91","contributors":{"authors":[{"text":"Waite, W.F.","contributorId":40329,"corporation":false,"usgs":true,"family":"Waite","given":"W.F.","email":"","affiliations":[],"preferred":false,"id":427550,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ruppel, C.D.","contributorId":64839,"corporation":false,"usgs":true,"family":"Ruppel","given":"C.D.","email":"","affiliations":[],"preferred":false,"id":427552,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kirby, S. H.","contributorId":51721,"corporation":false,"usgs":true,"family":"Kirby","given":"S.","middleInitial":"H.","affiliations":[],"preferred":false,"id":427551,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70030365,"text":"70030365 - 2006 - Scale effects of hydrostratigraphy and recharge zonation on base flow","interactions":[],"lastModifiedDate":"2012-03-12T17:21:12","indexId":"70030365","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1861,"text":"Ground Water","active":true,"publicationSubtype":{"id":10}},"title":"Scale effects of hydrostratigraphy and recharge zonation on base flow","docAbstract":"Uncertainty regarding spatial variations of model parameters often results in the simplifying assumption that parameters are spatially uniform. However, spatial variability may be important in resource assessment and model calibration. In this paper, a methodology is presented for estimating a critical basin size, above which base flows appear to be relatively less sensitive to the spatial distribution of recharge and hydraulic conductivity, and below which base flows are relatively more sensitive to this spatial variability. Application of the method is illustrated for a watershed that exhibits distinct infiltration patterns and hydrostratigraphic layering. A ground water flow model (MODFLOW) and a parameter estimation code (UCODE) were used to evaluate the influence of recharge zonation and hydrostratigraphic layering on base flow distribution. Optimization after removing spatial recharge variability from the calibrated model altered base flow simulations up to 53% in watersheds smaller than 40 km2. Merging six hydrostratigraphic units into one unit with average properties increased base flow residuals up to 83% in basins smaller than 50 km2. Base flow residuals changed <5% in watersheds larger than 40 and 50 km2 when recharge and hydrostratigraphy were simplified, respectively; thus, the critical basin size for the example area is ???40 to 50 km2. Once identified for an area, a critical basin size could be used to guide the scale of future investigations. By ensuring that parameter discretization needed to capture base flow distribution is commensurate with the scope of the investigation, uncertainty caused by overextending uniform parameterization or by estimating extra parameter values is reduced. ?? 2006 National Ground Water Association.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ground Water","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1745-6584.2005.00136.x","issn":"0017467X","usgsCitation":"Juckem, P., Hunt, R.J., and Anderson, M.P., 2006, Scale effects of hydrostratigraphy and recharge zonation on base flow: Ground Water, v. 44, no. 3, p. 362-370, https://doi.org/10.1111/j.1745-6584.2005.00136.x.","startPage":"362","endPage":"370","numberOfPages":"9","costCenters":[],"links":[{"id":212121,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1745-6584.2005.00136.x"},{"id":239547,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"44","issue":"3","noUsgsAuthors":false,"publicationDate":"2005-11-18","publicationStatus":"PW","scienceBaseUri":"505b8709e4b08c986b316282","contributors":{"authors":[{"text":"Juckem, P. F.","contributorId":24819,"corporation":false,"usgs":true,"family":"Juckem","given":"P. F.","affiliations":[],"preferred":false,"id":426871,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hunt, R. J.","contributorId":40164,"corporation":false,"usgs":true,"family":"Hunt","given":"R.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":426872,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Anderson, Marilyn P.","contributorId":102970,"corporation":false,"usgs":true,"family":"Anderson","given":"Marilyn","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":426873,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70030256,"text":"70030256 - 2006 - Fault parameter constraints using relocated earthquakes: A validation of first-motion focal-mechanism data","interactions":[],"lastModifiedDate":"2016-08-29T15:25:25","indexId":"70030256","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","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":"Fault parameter constraints using relocated earthquakes: A validation of first-motion focal-mechanism data","docAbstract":"<p class=\"p1\"><span class=\"s1\">We estimate the strike and dip of three California fault segments (Calaveras, Sargent, and a portion of the San Andreas near San Jaun Bautistia) based on principle component analysis of accurately located microearthquakes. We compare these fault orientations with two different first-motion focal mechanism catalogs: the Northern California Earthquake Data Center (</span><span class=\"s2\">NCEDC</span><span class=\"s1\">) catalog, calculated using the </span><span class=\"s2\">FPFIT</span><span class=\"s1\"> algorithm (Reasenberg and Oppenheimer, 1985), and a catalog created using the </span><span class=\"s2\">HASH</span><span class=\"s1\"> algorithm that tests mechanism stability relative to seismic velocity model variations and earthquake location (Hardebeck and Shearer, 2002). We assume any disagreement (misfit &gt;30&deg; in strike, dip, or rake) indicates inaccurate focal mechanisms in the catalogs. With this assumption, we can quantify the parameters that identify the most optimally constrained focal mechanisms. For the </span><span class=\"s2\">NCEDC/FPFIT</span><span class=\"s1\"> catalogs, we find that the best quantitative discriminator of quality focal mechanisms is the station distribution ratio (</span><span class=\"s2\">STDR</span><span class=\"s1\">) parameter, an indicator of how the stations are distributed about the focal sphere. Requiring </span><span class=\"s2\">STDR</span><span class=\"s1\"> &gt; 0.65 increases the acceptable mechanisms from 34%&ndash;37% to 63%&ndash;68%. This suggests stations should be uniformly distributed surrounding, rather than aligning, known fault traces. For the </span><span class=\"s2\">HASH</span><span class=\"s1\"> catalogs, the fault plane uncertainty (</span><span class=\"s2\">FPU</span><span class=\"s1\">) parameter is the best discriminator, increasing the percent of acceptable mechanisms from 63%&ndash;78% to 81%&ndash;83% when </span><span class=\"s2\">FPU</span><span class=\"s1\"> &le; 35&deg;. The overall higher percentage of acceptable mechanisms and the usefulness of the formal uncertainty in identifying quality mechanisms validate the </span><span class=\"s2\">HASH</span><span class=\"s1\"> approach of testing for mechanism stability.</span></p>","language":"English","publisher":"Seismological Society of America","doi":"10.1785/0120040239","issn":"00371106","usgsCitation":"Kilb, D., and Hardebeck, J., 2006, Fault parameter constraints using relocated earthquakes: A validation of first-motion focal-mechanism data: Bulletin of the Seismological Society of America, v. 96, no. 3, p. 1140-1158, https://doi.org/10.1785/0120040239.","productDescription":"19 p.","startPage":"1140","endPage":"1158","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":239366,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"96","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0f1ae4b0c8380cd5377e","contributors":{"authors":[{"text":"Kilb, Debi","contributorId":90892,"corporation":false,"usgs":true,"family":"Kilb","given":"Debi","affiliations":[],"preferred":false,"id":426349,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hardebeck, J.L.","contributorId":98862,"corporation":false,"usgs":true,"family":"Hardebeck","given":"J.L.","email":"","affiliations":[],"preferred":false,"id":426350,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
]}