{"pageNumber":"253","pageRowStart":"6300","pageSize":"25","recordCount":16506,"records":[{"id":70031543,"text":"70031543 - 2007 - Population demographics of Hiodon tergisus (Mooneye) in the lower Tallapoosa River","interactions":[],"lastModifiedDate":"2012-03-12T17:21:12","indexId":"70031543","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3444,"text":"Southeastern Naturalist","active":true,"publicationSubtype":{"id":10}},"title":"Population demographics of Hiodon tergisus (Mooneye) in the lower Tallapoosa River","docAbstract":"We describe age structure, growth, and fecundity of Hiodon tergisus (Mooneye) from the lower Tallapoosa River, AL. Mooneye (N = 49, 214-316 mm total length, 79-284 g) were aged using otoliths, and a von Bertalanffy growth model was derived for the species (L??? = 316, K = 0.285, to = -0.7). Growth rates of Mooneye differed between the Tallapoosa River population and a previously studied population from the northern extent of the species' range (Assiniboine River, MB, Canada). In addition, fecundity of Mooneye from the Tallapoosa River was similar to the northern population, ranging from 5321 to 7432 eggs per female. Because the species is declining throughout its range in Alabama, we recommend that managers use our findings in conservation efforts. Future studies should investigate how hydrology influences the spawning success and early growth and development of Mooneye in regulated systems. More information about this species is needed regarding their early life history, including early growth, survival, and habitat use.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Southeastern Naturalist","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1656/1528-7092(2007)6[461:PDOHTM]2.0.CO;2","issn":"15287092","usgsCitation":"Katechis, C., Sakaris, P., and Irwin, E., 2007, Population demographics of Hiodon tergisus (Mooneye) in the lower Tallapoosa River: Southeastern Naturalist, v. 6, no. 3, p. 461-470, https://doi.org/10.1656/1528-7092(2007)6[461:PDOHTM]2.0.CO;2.","startPage":"461","endPage":"470","numberOfPages":"10","costCenters":[],"links":[{"id":212269,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1656/1528-7092(2007)6[461:PDOHTM]2.0.CO;2"},{"id":239731,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"6","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a7d36e4b0c8380cd79dfb","contributors":{"authors":[{"text":"Katechis, C.T.","contributorId":67287,"corporation":false,"usgs":true,"family":"Katechis","given":"C.T.","email":"","affiliations":[],"preferred":false,"id":432022,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sakaris, P.C.","contributorId":18954,"corporation":false,"usgs":true,"family":"Sakaris","given":"P.C.","email":"","affiliations":[],"preferred":false,"id":432021,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Irwin, E.R.","contributorId":90269,"corporation":false,"usgs":true,"family":"Irwin","given":"E.R.","email":"","affiliations":[],"preferred":false,"id":432023,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70031568,"text":"70031568 - 2007 - Intersex (Testicular Oocytes) in smallmouth bass from the Potomac River and selected nearby drainages","interactions":[],"lastModifiedDate":"2018-10-17T13:41:04","indexId":"70031568","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2177,"text":"Journal of Aquatic Animal Health","active":true,"publicationSubtype":{"id":10}},"title":"Intersex (Testicular Oocytes) in smallmouth bass from the Potomac River and selected nearby drainages","docAbstract":"<p>Intersex, or the presence of characteristics of both sexes, in fishes that are normally gonochoristic has been used as an indicator of exposure to estrogenic compounds. In 2003, during health assessments conducted in response to kills and a high prevalence of skin lesions observed in smallmouth bass Micropterus dolomieu in the South Branch of the Potomac River, the presence of immature oocytes within testes was noted. To evaluate this condition, a severity index (0-4) was developed based on the distribution of oocytes within the testes. Using gonad samples collected from 2003 to 2005, the number of histologic sections needed to accurately detect the condition in mature smallmouth bass was statistically evaluated. The reliability of detection depended on the severity index and the number of sections examined. Examining five transverse sections taken along the length of the gonad resulted in a greater than 90% probability of detecting testicular oocytes when the severity index exceeded 0.5. Using the severity index we compared smallmouth bass collected at selected sites within the South Branch during three seasons in 2004. Seasonal differences in severity and prevalence were observed. The highest prevalence and severity were consistently noted during the prespawn-spawning season, when compared with the postspawn season. In 2005, smallmouth bass were collected at selected out-of-basin sites in West Virginia where fish kills and external skin lesions have not been reported, as well as at sites in the Shenandoah River, Virginia (part of the Potomac drainage), where kills and lesions occurred in 2004-2005. The prevalence of testicular oocytes is discussed in terms of human population and agricultural intensity.</p>","language":"English","publisher":"Taylor and Francis","doi":"10.1577/H07-031.1","issn":"08997659","usgsCitation":"Blazer, V., Iwanowicz, L., Iwanowicz, D.D., Smith, D.R., Young, J.A., Hedrick, J., Foster, S., and Reeser, S., 2007, Intersex (Testicular Oocytes) in smallmouth bass from the Potomac River and selected nearby drainages: Journal of Aquatic Animal Health, v. 19, no. 4, p. 242-253, https://doi.org/10.1577/H07-031.1.","productDescription":"12 p.","startPage":"242","endPage":"253","numberOfPages":"12","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":239631,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"Potomac River","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -79.6893310546875,\n              38.052416771864834\n            ],\n            [\n              -79.6893310546875,\n              39.8928799002948\n            ],\n            [\n              -77.080078125,\n              39.8928799002948\n            ],\n            [\n              -77.080078125,\n              38.052416771864834\n            ],\n            [\n              -79.6893310546875,\n              38.052416771864834\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"19","issue":"4","noUsgsAuthors":false,"publicationDate":"2007-12-01","publicationStatus":"PW","scienceBaseUri":"505a3da7e4b0c8380cd63722","contributors":{"authors":[{"text":"Blazer, Vicki S. 0000-0001-6647-9614 vblazer@usgs.gov","orcid":"https://orcid.org/0000-0001-6647-9614","contributorId":149414,"corporation":false,"usgs":true,"family":"Blazer","given":"Vicki S.","email":"vblazer@usgs.gov","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":false,"id":432162,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Iwanowicz, Luke R.  0000-0002-1197-6178 liwanowicz@usgs.gov","orcid":"https://orcid.org/0000-0002-1197-6178","contributorId":150383,"corporation":false,"usgs":true,"family":"Iwanowicz","given":"Luke R. ","email":"liwanowicz@usgs.gov","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":false,"id":432160,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Iwanowicz, Deborah D. 0000-0002-9613-8594 diwanowicz@usgs.gov","orcid":"https://orcid.org/0000-0002-9613-8594","contributorId":2253,"corporation":false,"usgs":true,"family":"Iwanowicz","given":"Deborah","email":"diwanowicz@usgs.gov","middleInitial":"D.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":true,"id":432163,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Smith, David R. 0000-0001-6074-9257 drsmith@usgs.gov","orcid":"https://orcid.org/0000-0001-6074-9257","contributorId":168442,"corporation":false,"usgs":true,"family":"Smith","given":"David","email":"drsmith@usgs.gov","middleInitial":"R.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":true,"id":432161,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Young, John A. 0000-0002-4500-3673 jyoung@usgs.gov","orcid":"https://orcid.org/0000-0002-4500-3673","contributorId":3777,"corporation":false,"usgs":true,"family":"Young","given":"John","email":"jyoung@usgs.gov","middleInitial":"A.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":true,"id":432159,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Hedrick, J.D.","contributorId":105511,"corporation":false,"usgs":true,"family":"Hedrick","given":"J.D.","email":"","affiliations":[],"preferred":false,"id":432164,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Foster, S.W.","contributorId":36753,"corporation":false,"usgs":true,"family":"Foster","given":"S.W.","email":"","affiliations":[],"preferred":false,"id":432158,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Reeser, S.J.","contributorId":9460,"corporation":false,"usgs":true,"family":"Reeser","given":"S.J.","email":"","affiliations":[],"preferred":false,"id":432157,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":70031572,"text":"70031572 - 2007 - Linking ground-water age and chemistry data along flow paths: Implications for trends and transformations of nitrate and pesticides","interactions":[],"lastModifiedDate":"2018-09-26T15:48:13","indexId":"70031572","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2233,"text":"Journal of Contaminant Hydrology","active":true,"publicationSubtype":{"id":10}},"title":"Linking ground-water age and chemistry data along flow paths: Implications for trends and transformations of nitrate and pesticides","docAbstract":"<p>Tracer-based ground-water ages, along with the concentrations of pesticides, nitrogen species, and other redox-active constituents, were used to evaluate the trends and transformations of agricultural chemicals along flow paths in diverse hydrogeologic settings. A range of conditions affecting the transformation of nitrate and pesticides (e.g., thickness of unsaturated zone, redox conditions) was examined at study sites in Georgia, North Carolina, Wisconsin, and California. Deethylatrazine (DEA), a transformation product of atrazine, was typically present at concentrations higher than those of atrazine at study sites with thick unsaturated zones but not at sites with thin unsaturated zones. Furthermore, the fraction of atrazine plus DEA that was present as DEA did not increase as a function of ground-water age. These findings suggest that atrazine degradation occurs primarily in the unsaturated zone with little or no degradation in the saturated zone. Similar observations were also made for metolachlor and alachlor. The fraction of the initial nitrate concentration found as excess N2 (N2 derived from denitrification) increased with ground-water age only at the North Carolina site, where oxic conditions were generally limited to the top 5??m of saturated thickness. Historical trends in fluxes to ground water were evaluated by relating the times of recharge of ground-water samples, estimated using chlorofluorocarbon concentrations, with concentrations of the parent compound at the time of recharge, estimated by summing the molar concentrations of the parent compound and its transformation products in the age-dated sample. Using this approach, nitrate concentrations were estimated to have increased markedly from 1960 to the present at all study sites. Trends in concentrations of atrazine, metolachlor, alachlor, and their degradates were related to the timing of introduction and use of these compounds. Degradates, and to a lesser extent parent compounds, were detected in ground water dating back to the time these compounds were introduced.</p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.jconhyd.2007.05.007","issn":"01697722","usgsCitation":"Tesoriero, A., Saad, D.A., Burow, K., Frick, E.A., Puckett, L., and Barbash, J., 2007, Linking ground-water age and chemistry data along flow paths: Implications for trends and transformations of nitrate and pesticides: Journal of Contaminant Hydrology, v. 94, no. 1-2, p. 139-155, https://doi.org/10.1016/j.jconhyd.2007.05.007.","productDescription":"17 p.","startPage":"139","endPage":"155","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true},{"id":622,"text":"Washington Water Science Center","active":true,"usgs":true}],"links":[{"id":239700,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":212242,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.jconhyd.2007.05.007"}],"volume":"94","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a47d3e4b0c8380cd679e0","contributors":{"authors":[{"text":"Tesoriero, A. J.","contributorId":99127,"corporation":false,"usgs":true,"family":"Tesoriero","given":"A. J.","affiliations":[],"preferred":false,"id":432179,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Saad, D. A.","contributorId":85212,"corporation":false,"usgs":true,"family":"Saad","given":"D.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":432178,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Burow, K.R. 0000-0001-6006-6667","orcid":"https://orcid.org/0000-0001-6006-6667","contributorId":48283,"corporation":false,"usgs":true,"family":"Burow","given":"K.R.","affiliations":[],"preferred":false,"id":432175,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Frick, E. A.","contributorId":61840,"corporation":false,"usgs":true,"family":"Frick","given":"E.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":432176,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Puckett, L.J.","contributorId":27503,"corporation":false,"usgs":true,"family":"Puckett","given":"L.J.","email":"","affiliations":[],"preferred":false,"id":432174,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Barbash, J.E.","contributorId":62783,"corporation":false,"usgs":true,"family":"Barbash","given":"J.E.","email":"","affiliations":[],"preferred":false,"id":432177,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70031648,"text":"70031648 - 2007 - A ~25 ka Indian Ocean monsoon variability record from the Andaman Sea","interactions":[],"lastModifiedDate":"2015-04-06T09:33:14","indexId":"70031648","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3219,"text":"Quaternary Science Reviews","active":true,"publicationSubtype":{"id":10}},"title":"A ~25 ka Indian Ocean monsoon variability record from the Andaman Sea","docAbstract":"<p><span>Recent paleoclimatic work on terrestrial and marine deposits from Asia and the Indian Ocean has indicated abrupt changes in the strength of the Asian monsoon during the last deglaciation. Comparison of marine paleoclimate records that track salinity changes from Asian rivers can help evaluate the coherence of the Indian Ocean monsoon (IOM) with the larger Asian monsoon. Here we present paired Mg/Ca and &delta;</span><sup>18</sup><span>O data on the planktic foraminifer&nbsp;</span><i>Globigerinoides ruber</i><span>&nbsp;(white) from Andaman Sea core RC12-344 that provide records of sea-surface temperature (SST) and &delta;</span><sup>18</sup><span>O of seawater (&delta;</span><sup>18</sup><span>O</span><sub>sw</sub><span>) over the past 25,000 years (ka) before present (BP). Age control is based on nine accelerator mass spectrometry (AMS) dates on mixed planktic foraminifera. Mg/Ca-SST data indicate that SST was &sim;3&nbsp;&deg;C cooler during the last glacial maximum (LGM) than the late Holocene. Andaman Sea &delta;</span><sup>18</sup><span>O</span><sub>sw</sub><span>&nbsp;exhibited higher than present values during the Lateglacial interval ca 19&ndash;15&nbsp;ka&nbsp;BP and briefly during the Younger Dryas ca 12&nbsp;ka&nbsp;BP. Lower than present &delta;</span><sup>18</sup><span>O</span><sub>sw</sub><span>&nbsp;values during the B&Oslash;lling/Aller&Oslash;d ca 14.5&ndash;12.6&nbsp;ka&nbsp;BP and during the early Holocene ca 10.8&ndash;5.5&nbsp;ka&nbsp;BP are interpreted to indicate lower salinity, reflect some combination of decreased evaporation&ndash;precipitation (E&ndash;P) over the Andaman Sea and increased Irrawaddy River outflow. Our results are consistent with the suggestion that IOM intensity was stronger than present during the B&Oslash;lling/Aller&Oslash;d and early Holocene, and weaker during the late glaciation, Younger Dryas, and the late Holocene. These findings support the hypothesis that rapid climate change during the last deglaciation and Holocene included substantial hydrologic changes in the IOM system that were coherent with the larger Asian monsoon.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.quascirev.2007.07.002","issn":"02773791","usgsCitation":"Rashid, I., Flower, B., Poore, R., and Quinn, T.M., 2007, A ~25 ka Indian Ocean monsoon variability record from the Andaman Sea: Quaternary Science Reviews, v. 26, no. 19-21, p. 2586-2597, https://doi.org/10.1016/j.quascirev.2007.07.002.","productDescription":"12 p.","startPage":"2586","endPage":"2597","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":239833,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":212361,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.quascirev.2007.07.002"}],"otherGeospatial":"Andaman Sea","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              92.3291015625,\n              5.090944175033399\n            ],\n            [\n              92.3291015625,\n              17.26672782352052\n            ],\n            [\n              100.546875,\n              17.26672782352052\n            ],\n            [\n              100.546875,\n              5.090944175033399\n            ],\n            [\n              92.3291015625,\n              5.090944175033399\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"26","issue":"19-21","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5523ae2de4b027f0aee3d121","contributors":{"authors":[{"text":"Rashid, I.","contributorId":53600,"corporation":false,"usgs":false,"family":"Rashid","given":"I.","email":"","affiliations":[],"preferred":false,"id":432500,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Flower, B.P.","contributorId":7301,"corporation":false,"usgs":true,"family":"Flower","given":"B.P.","email":"","affiliations":[],"preferred":false,"id":432498,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Poore, R.Z.","contributorId":35314,"corporation":false,"usgs":true,"family":"Poore","given":"R.Z.","email":"","affiliations":[],"preferred":false,"id":432499,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Quinn, T. M.","contributorId":71320,"corporation":false,"usgs":true,"family":"Quinn","given":"T.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":432501,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70031739,"text":"70031739 - 2007 - Comparison of local- to regional-scale estimates of ground-water recharge in Minnesota, USA","interactions":[],"lastModifiedDate":"2023-10-03T11:20:41.383437","indexId":"70031739","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2342,"text":"Journal of Hydrology","active":true,"publicationSubtype":{"id":10}},"title":"Comparison of local- to regional-scale estimates of ground-water recharge in Minnesota, USA","docAbstract":"<p><span>Regional ground-water recharge estimates for Minnesota were compared to estimates made on the basis of four local- and basin-scale methods. Three local-scale methods (unsaturated-zone water balance, water-table fluctuations (WTF) using three approaches, and age dating of ground water) yielded point estimates of recharge that represent spatial scales from about 1 to about 1000&nbsp;m</span><sup>2</sup><span>. A fourth method (RORA, a basin-scale analysis of streamflow records using a recession-curve-displacement technique) yielded recharge estimates at a scale of 10&ndash;1000s of km</span><sup>2</sup><span>. The RORA basin-scale recharge estimates were regionalized to estimate recharge for the entire State of Minnesota on the basis of a regional regression recharge (RRR) model that also incorporated soil and climate data. Recharge rates estimated by the RRR model compared favorably to the local and basin-scale recharge estimates. RRR estimates at study locations were about 41% less on average than the unsaturated-zone water-balance estimates, ranged from 44% greater to 12% less than estimates that were based on the three WTF approaches, were about 4% less than the age dating of ground-water estimates, and were about 5% greater than the RORA estimates. Of the methods used in this study, the WTF method is the simplest and easiest to apply. Recharge estimates made on the basis of the UZWB method were inconsistent with the results from the other methods. Recharge estimates using the RRR model could be a good source of input for regional ground-water flow models; RRR model results currently are being applied for this purpose in USGS studies elsewhere.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.jhydrol.2006.10.010","issn":"00221694","usgsCitation":"Delin, G., Healy, R.W., Lorenz, D., and Nimmo, J., 2007, Comparison of local- to regional-scale estimates of ground-water recharge in Minnesota, USA: Journal of Hydrology, v. 334, no. 1-2, p. 231-249, https://doi.org/10.1016/j.jhydrol.2006.10.010.","productDescription":"19 p.","startPage":"231","endPage":"249","numberOfPages":"19","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":392,"text":"Minnesota Water Science Center","active":true,"usgs":true}],"links":[{"id":239641,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United 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 \"}}]}","volume":"334","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f870e4b0c8380cd4d0de","contributors":{"authors":[{"text":"Delin, G. N.","contributorId":12834,"corporation":false,"usgs":true,"family":"Delin","given":"G. N.","affiliations":[],"preferred":false,"id":432922,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Healy, R. W.","contributorId":89872,"corporation":false,"usgs":true,"family":"Healy","given":"R.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":432924,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lorenz, D. L.","contributorId":10776,"corporation":false,"usgs":true,"family":"Lorenz","given":"D. L.","affiliations":[],"preferred":false,"id":432921,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Nimmo, J. R. 0000-0001-8191-1727","orcid":"https://orcid.org/0000-0001-8191-1727","contributorId":58304,"corporation":false,"usgs":true,"family":"Nimmo","given":"J. R.","affiliations":[],"preferred":false,"id":432923,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70032121,"text":"70032121 - 2007 - Alpine debris flows triggered by a 28 July 1999 thunderstorm in the central Front Range, Colorado","interactions":[],"lastModifiedDate":"2012-03-12T17:21:29","indexId":"70032121","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1801,"text":"Geomorphology","active":true,"publicationSubtype":{"id":10}},"title":"Alpine debris flows triggered by a 28 July 1999 thunderstorm in the central Front Range, Colorado","docAbstract":"On 28 July 1999, about 480 alpine debris flows were triggered by an afternoon thunderstorm along the Continental Divide in Clear Creek and Summit counties in the central Front Range of Colorado. The thunderstorm produced about 43??mm of rain in 4??h, 35??mm of which fell in the first 2??h. Several debris flows triggered by the storm impacted Interstate Highway 70, U.S. Highway 6, and the Arapahoe Basin ski area. We mapped the debris flows from color aerial photography and inspected many of them in the field. Three processes initiated debris flows. The first process initiated 11% of the debris flows and involved the mobilization of shallow landslides in thick, often well vegetated, colluvium. The second process, which was responsible for 79% of the flows, was the transport of material eroded from steep unvegetated hillslopes via a system of coalescing rills. The third, which has been termed the \"firehose effect,\" initiated 10% of the debris flows and occurred where overland flow became concentrated in steep bedrock channels and scoured debris from talus deposits and the heads of debris fans. These three processes initiated high on steep hillsides (> 30??) in catchments with small contributing areas (< 8000??m2), however, shallow landslides occurred on slopes that were significantly less steep than either overland flow process. Based on field observations and examination of soils mapping of the northern part of the study area, we identified a relation between the degree of soil development and the process type that generated debris flows. In general, areas with greater soil development were less likely to generate runoff and therefore less likely to generate debris flows by the firehose effect or by rilling. The character of the surficial cover and the spatially variable hydrologic response to intense rainfall, rather than a threshold of contributing area and topographic slope, appears to control the initiation process in the high alpine of the Front Range. Because debris flows initiated by rilling and the firehose effect tend to increase in volume as they travel downslope, these debris flows are potentially more hazardous than those initiated by shallow landslides, which tend to deposit material along their paths. ?? 2006 Elsevier B.V. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geomorphology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.geomorph.2006.07.009","issn":"0169555X","usgsCitation":"Godt, J., and Coe, J.A., 2007, Alpine debris flows triggered by a 28 July 1999 thunderstorm in the central Front Range, Colorado: Geomorphology, v. 84, no. 1-2, p. 80-97, https://doi.org/10.1016/j.geomorph.2006.07.009.","startPage":"80","endPage":"97","numberOfPages":"18","costCenters":[],"links":[{"id":214721,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.geomorph.2006.07.009"},{"id":242471,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"84","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e974e4b0c8380cd482c1","contributors":{"authors":[{"text":"Godt, J. W.","contributorId":76732,"corporation":false,"usgs":true,"family":"Godt","given":"J. W.","affiliations":[],"preferred":false,"id":434616,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Coe, J. A.","contributorId":8867,"corporation":false,"usgs":true,"family":"Coe","given":"J.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":434615,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70032727,"text":"70032727 - 2007 - Hydrologic response of the Crow Wing Watershed, Minnesota, to mid-Holocene climate change","interactions":[],"lastModifiedDate":"2012-03-12T17:21:24","indexId":"70032727","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","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":"Hydrologic response of the Crow Wing Watershed, Minnesota, to mid-Holocene climate change","docAbstract":"In this study, we have integrated a suite of Holocene paleoclimatic proxies with mathematical modeling in an attempt to obtain a comprehensive picture of how watersheds respond to past climate change. A three-dimensional surface-water-groundwater model was developed to assess the effects of mid-Holocene climate change on water resources within the Crow Wing Watershed, Upper Mississippi Basin in north central Minnesota. The model was first calibrated to a 50 yr historical record of average annual surface-water discharge, monthly groundwater levels, and lake-level fluctuations. The model was able to reproduce reasonably well long-term historical records (1949-1999) of water-table and lake-level fluctuations across the watershed as well as stream discharge near the watershed outlet. The calibrated model was then used to reproduce paleogroundwater and lake levels using climate reconstructions based on pollen-transfer functions from Williams Lake just outside the watershed. Computed declines in mid-Holocene lake levels for two lakes at opposite ends of the watershed were between 6 and 18 m. Simulated streamflow near the outlet of the watershed decreased to 70% of modern average annual discharge after ???200 yr. The area covered by wetlands for the entire watershed was reduced by ???16%. The mid-Holocene hydrologic changes indicated by these model results and corroborated by several lake-core records across the Crow Wing Watershed may serve as a useful proxy of the hydrologic response to future warm, dry climatic forecasts (ca. 2050) made by some atmospheric general-circulation models for the glaciated Midwestern United States. ?? 2007 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/B26003.1","issn":"00167606","usgsCitation":"Person, M., Roy, P., Wright, H., Gutowski, W., Ito, E., Winter, T., Rosenberry, D., and Cohen, D., 2007, Hydrologic response of the Crow Wing Watershed, Minnesota, to mid-Holocene climate change: Geological Society of America Bulletin, v. 119, no. 3-4, p. 363-376, https://doi.org/10.1130/B26003.1.","startPage":"363","endPage":"376","numberOfPages":"14","costCenters":[],"links":[{"id":477108,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://lib.dr.iastate.edu/ge_at_pubs/95","text":"External Repository"},{"id":241494,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":213833,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1130/B26003.1"}],"volume":"119","issue":"3-4","noUsgsAuthors":false,"publicationDate":"2007-03-15","publicationStatus":"PW","scienceBaseUri":"505a3686e4b0c8380cd607a0","contributors":{"authors":[{"text":"Person, M.","contributorId":20876,"corporation":false,"usgs":true,"family":"Person","given":"M.","email":"","affiliations":[],"preferred":false,"id":437645,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Roy, P.","contributorId":107109,"corporation":false,"usgs":true,"family":"Roy","given":"P.","email":"","affiliations":[],"preferred":false,"id":437650,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wright, H.","contributorId":7083,"corporation":false,"usgs":true,"family":"Wright","given":"H.","email":"","affiliations":[],"preferred":false,"id":437644,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Gutowski, W. Jr.","contributorId":58850,"corporation":false,"usgs":true,"family":"Gutowski","given":"W.","suffix":"Jr.","affiliations":[],"preferred":false,"id":437648,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Ito, E.","contributorId":24956,"corporation":false,"usgs":true,"family":"Ito","given":"E.","email":"","affiliations":[],"preferred":false,"id":437646,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Winter, T.","contributorId":89333,"corporation":false,"usgs":true,"family":"Winter","given":"T.","affiliations":[],"preferred":false,"id":437649,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Rosenberry, D.","contributorId":39338,"corporation":false,"usgs":true,"family":"Rosenberry","given":"D.","email":"","affiliations":[],"preferred":false,"id":437647,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Cohen, D.","contributorId":108299,"corporation":false,"usgs":true,"family":"Cohen","given":"D.","email":"","affiliations":[],"preferred":false,"id":437651,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":70032729,"text":"70032729 - 2007 - Heat transport in the Red Lake Bog, Glacial Lake Agassiz Peatlands","interactions":[],"lastModifiedDate":"2018-10-17T09:12:48","indexId":"70032729","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1924,"text":"Hydrological Processes","active":true,"publicationSubtype":{"id":10}},"title":"Heat transport in the Red Lake Bog, Glacial Lake Agassiz Peatlands","docAbstract":"<p><span>We report the results of an investigation on the processes controlling heat transport in peat under a large bog in the Glacial Lake Agassiz Peatlands. For 2 years, starting in July 1998, we recorded temperature at 12 depth intervals from 0 to 400 cm within a vertical peat profile at the crest of the bog at sub‐daily intervals. We also recorded air temperature 1 m above the peat surface. We calculate a peat thermal conductivity of 0·5 W m</span><sup>−1</sup><span>&nbsp;°C</span><sup>−1</sup><span>&nbsp;and model vertical heat transport through the peat using the SUTRA model. The model was calibrated to the first year of data, and then evaluated against the second year of collected heat data. The model results suggest that advective pore‐water flow is not necessary to transport heat within the peat profile and most of the heat is transferred by thermal conduction alone in these waterlogged soils. In the spring season, a zero‐curtain effect controls the transport of heat through shallow depths of the peat. Changes in local climate and the resulting changes in thermal transport still may cause non‐linear feedbacks in methane emissions related to the generation of methane deeper within the peat profile as regional temperatures increase.</span></p>","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Hydrological Processes","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"John Wiley & Sons, Ltd. ","doi":"10.1002/hyp.6239","issn":"08856087","usgsCitation":"McKenzie, J., Siegel, D.I., Rosenberry, D.O., Glaser, P., and Voss, C.I., 2007, Heat transport in the Red Lake Bog, Glacial Lake Agassiz Peatlands: Hydrological Processes, v. 21, no. 3, p. 369-378, https://doi.org/10.1002/hyp.6239.","productDescription":"10 p.","startPage":"369","endPage":"378","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":213865,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1002/hyp.6239"},{"id":241530,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Minnesota","otherGeospatial":"Glacial Lake Agassiz Peatlands","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -95.6667,\n              48.065232067568\n            ],\n            [\n              -95.6667,\n              48.73083222613515\n            ],\n            [\n              -93.8232421875,\n              48.73083222613515\n            ],\n            [\n              -93.8232421875,\n              48.065232067568\n            ],\n            [\n              -95.6667,\n              48.065232067568\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"21","issue":"3","noUsgsAuthors":false,"publicationDate":"2006-12-21","publicationStatus":"PW","scienceBaseUri":"505a3006e4b0c8380cd5d2e7","contributors":{"authors":[{"text":"McKenzie, J.M.","contributorId":75759,"corporation":false,"usgs":true,"family":"McKenzie","given":"J.M.","email":"","affiliations":[],"preferred":false,"id":437658,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Siegel, D. I.","contributorId":77562,"corporation":false,"usgs":true,"family":"Siegel","given":"D.","email":"","middleInitial":"I.","affiliations":[],"preferred":false,"id":437659,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rosenberry, Donald O. 0000-0003-0681-5641 rosenber@usgs.gov","orcid":"https://orcid.org/0000-0003-0681-5641","contributorId":1312,"corporation":false,"usgs":true,"family":"Rosenberry","given":"Donald","email":"rosenber@usgs.gov","middleInitial":"O.","affiliations":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":437657,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Glaser, P.H.","contributorId":13791,"corporation":false,"usgs":true,"family":"Glaser","given":"P.H.","email":"","affiliations":[],"preferred":false,"id":437656,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Voss, Clifford I. 0000-0001-5923-2752 cvoss@usgs.gov","orcid":"https://orcid.org/0000-0001-5923-2752","contributorId":1559,"corporation":false,"usgs":true,"family":"Voss","given":"Clifford","email":"cvoss@usgs.gov","middleInitial":"I.","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":437660,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70032824,"text":"70032824 - 2007 - Space geodetic observation of expansion of the San Gabriel Valley, California, aquifer system, during heavy rainfall in winter 2004-2005","interactions":[],"lastModifiedDate":"2023-08-28T12:11:25.416975","indexId":"70032824","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2314,"text":"Journal of Geophysical Research B: Solid Earth","active":true,"publicationSubtype":{"id":10}},"title":"Space geodetic observation of expansion of the San Gabriel Valley, California, aquifer system, during heavy rainfall in winter 2004-2005","docAbstract":"<div class=\"\"><div class=\"article-section__content en main\"><p><span class=\"paraNumber\">[1]<span>&nbsp;</span></span>Starting early in 2005, the positions of GPS stations in the San Gabriel valley region of southern California showed statistically significant departures from their previous behavior. Station LONG moved up by about 47 mm, and nearby stations moved away from LONG by about 10 mm. These changes began during an extremely rainy season in southern California and coincided with a 16-m increase in water level at a nearby well in Baldwin Park and a regional uplift detected by interferometric synthetic aperture radar. No equivalent signals were seen in GPS station position time series elsewhere in southern California. Our preferred explanation, supported by the timing and by a hydrologic simulation, is deformation due to recharging of aquifers after near-record rainfall in 2004–2005. We cannot rule out an aseismic slip event, but we consider such an event unlikely because it requires slip on multiple faults and predicts other signals that are not observed.</p></div></div>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2006JB004448","issn":"01480227","usgsCitation":"King, N., Argus, D., Langbein, J., Agnew, D., Bawden, G., Dollar, R., Liu, Z., Galloway, D., Reichard, E., Yong, A., Webb, F., Bock, Y., Stark, K., and Barseghian, D., 2007, Space geodetic observation of expansion of the San Gabriel Valley, California, aquifer system, during heavy rainfall in winter 2004-2005: Journal of Geophysical Research B: Solid Earth, v. 112, no. 3, B03409, 11 p., https://doi.org/10.1029/2006JB004448.","productDescription":"B03409, 11 p.","costCenters":[{"id":35860,"text":"Ohio-Kentucky-Indiana Water Science Center","active":true,"usgs":true}],"links":[{"id":241364,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"112","issue":"3","noUsgsAuthors":false,"publicationDate":"2007-03-24","publicationStatus":"PW","scienceBaseUri":"505b9405e4b08c986b31a7f5","contributors":{"authors":[{"text":"King, N.E.","contributorId":29950,"corporation":false,"usgs":true,"family":"King","given":"N.E.","email":"","affiliations":[],"preferred":false,"id":438080,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Argus, D.","contributorId":89360,"corporation":false,"usgs":true,"family":"Argus","given":"D.","email":"","affiliations":[],"preferred":false,"id":438084,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Langbein, J.","contributorId":16990,"corporation":false,"usgs":true,"family":"Langbein","given":"J.","affiliations":[],"preferred":false,"id":438078,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Agnew, D.C.","contributorId":32186,"corporation":false,"usgs":true,"family":"Agnew","given":"D.C.","email":"","affiliations":[],"preferred":false,"id":438081,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bawden, G.","contributorId":63597,"corporation":false,"usgs":true,"family":"Bawden","given":"G.","email":"","affiliations":[],"preferred":false,"id":438082,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Dollar, R.S.","contributorId":11366,"corporation":false,"usgs":true,"family":"Dollar","given":"R.S.","email":"","affiliations":[],"preferred":false,"id":438077,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Liu, Z.","contributorId":70943,"corporation":false,"usgs":true,"family":"Liu","given":"Z.","email":"","affiliations":[],"preferred":false,"id":438083,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Galloway, D. 0000-0003-0904-5355","orcid":"https://orcid.org/0000-0003-0904-5355","contributorId":7895,"corporation":false,"usgs":true,"family":"Galloway","given":"D.","affiliations":[{"id":35860,"text":"Ohio-Kentucky-Indiana Water Science Center","active":true,"usgs":true}],"preferred":false,"id":438076,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Reichard, E. 0000-0002-7310-3866","orcid":"https://orcid.org/0000-0002-7310-3866","contributorId":100201,"corporation":false,"usgs":true,"family":"Reichard","given":"E.","affiliations":[],"preferred":false,"id":438089,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Yong, A.","contributorId":18585,"corporation":false,"usgs":true,"family":"Yong","given":"A.","email":"","affiliations":[],"preferred":false,"id":438079,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Webb, F.H.","contributorId":94112,"corporation":false,"usgs":true,"family":"Webb","given":"F.H.","email":"","affiliations":[],"preferred":false,"id":438087,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Bock, Y.","contributorId":94051,"corporation":false,"usgs":true,"family":"Bock","given":"Y.","email":"","affiliations":[],"preferred":false,"id":438086,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Stark, K.","contributorId":92000,"corporation":false,"usgs":true,"family":"Stark","given":"K.","email":"","affiliations":[],"preferred":false,"id":438085,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Barseghian, D.","contributorId":95696,"corporation":false,"usgs":true,"family":"Barseghian","given":"D.","email":"","affiliations":[],"preferred":false,"id":438088,"contributorType":{"id":1,"text":"Authors"},"rank":14}]}}
,{"id":70032826,"text":"70032826 - 2007 - Concentration, UV-spectroscopic characteristics and fractionation of DOC in stormflow from an urban stream, Southern California, USA","interactions":[],"lastModifiedDate":"2018-10-17T08:15:51","indexId":"70032826","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1529,"text":"Environmental Chemistry","active":true,"publicationSubtype":{"id":10}},"title":"Concentration, UV-spectroscopic characteristics and fractionation of DOC in stormflow from an urban stream, Southern California, USA","docAbstract":"<div class=\"journal-abstract green-item\"><p>The composition of dissolved organic carbon (DOC) in stormflow from urban areas has been greatly altered, both directly and indirectly, by human activities and there is concern that there may be public health issues associated with DOC, which has unknown composition from different sources within urban watersheds. This study evaluated changes in the concentration and composition of DOC in stormflow in the Santa Ana River and its tributaries between 1995 and 2004 using a simplified approach based on the differences in the optical properties of DOC and using operationally defined differences in molecular weight and solubility. The data show changes in the composition of DOC in stormflow during the rainy season and differences associated with runoff from different parts of the basin, including extensive upland areas burned prior to the 2004 rainy season.</p><p>Samples were collected from the Santa Ana River, which drains ~6950 km<sup>2</sup><span>&nbsp;</span>of the densely populated coastal area of southern California, during 23 stormflows between 1995 and 2004. Dissolved organic carbon (DOC) concentrations during the first stormflows of the ‘winter’ (November to March) rainy season increased rapidly with streamflow and were positively correlated with increased faecal indicator bacteria concentrations. DOC concentrations were not correlated with streamflow or with other constituents during stormflows later in the rainy season and DOC had increasing UV absorbance per unit carbon as the rainy season progressed. DOC concentrations in stormflow from an urban drain tributary to the river also increased during stormflow and were greater than concentrations in the river. DOC concentrations in stormflow from a tributary stream, draining urban and agricultural land that contained more than 320&nbsp;000 animals, mostly dairy cows, were higher than concentrations in stormflow from the river and from the urban drain. Fires that burned large areas of the basin before the 2004 rainy season did not increase DOC concentrations in the river during stormflow after the fires – possibly because the large watershed of the river damped the effect of the fires. However, the fires increased the hydrophobic neutral organic carbon fraction of DOC in stormflow from the urban drain and the tributary stream.</p></div>","language":"English","publisher":"CSIRO Publishing","doi":"10.1071/EN06046","usgsCitation":"Izbicki, J.A., Pimentel, I., Johnson, R., Aiken, G.R., and Leenheer, J., 2007, Concentration, UV-spectroscopic characteristics and fractionation of DOC in stormflow from an urban stream, Southern California, USA: Environmental Chemistry, v. 4, no. 1, p. 35-48, https://doi.org/10.1071/EN06046.","productDescription":"14 p.","startPage":"35","endPage":"48","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":241397,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","volume":"4","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f981e4b0c8380cd4d63b","contributors":{"authors":[{"text":"Izbicki, John A. 0000-0003-0816-4408 jaizbick@usgs.gov","orcid":"https://orcid.org/0000-0003-0816-4408","contributorId":152474,"corporation":false,"usgs":true,"family":"Izbicki","given":"John","email":"jaizbick@usgs.gov","middleInitial":"A.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true},{"id":493,"text":"Office of Ground Water","active":true,"usgs":true}],"preferred":true,"id":438093,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pimentel, Isabel","contributorId":107388,"corporation":false,"usgs":true,"family":"Pimentel","given":"Isabel","email":"","affiliations":[],"preferred":false,"id":438094,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Johnson, Russell","contributorId":83193,"corporation":false,"usgs":true,"family":"Johnson","given":"Russell","email":"","affiliations":[],"preferred":false,"id":438092,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Aiken, George R. 0000-0001-8454-0984 graiken@usgs.gov","orcid":"https://orcid.org/0000-0001-8454-0984","contributorId":1322,"corporation":false,"usgs":true,"family":"Aiken","given":"George","email":"graiken@usgs.gov","middleInitial":"R.","affiliations":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true},{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":true,"id":438091,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Leenheer, Jerry","contributorId":58024,"corporation":false,"usgs":true,"family":"Leenheer","given":"Jerry","email":"","affiliations":[],"preferred":false,"id":438095,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70032891,"text":"70032891 - 2007 - Cytherellid species (Ostracoda) and their significance to the Late Quaternary events in the Santos Basin, Brazil","interactions":[],"lastModifiedDate":"2021-06-10T17:46:29.677488","indexId":"70032891","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3378,"text":"Senckenbergiana Maritima","active":true,"publicationSubtype":{"id":10}},"title":"Cytherellid species (Ostracoda) and their significance to the Late Quaternary events in the Santos Basin, Brazil","docAbstract":"<p>Four autochthonous cytherellid species (<i>Cytherella serratula</i> (BRADY, 1880), <i>C. hermargentina</i> WHATLEY et al. 1998, <i>C. pleistocenica</i> sp. nov. and <i>C. santosensis</i> sp. nov.) have been identified from two offshore cores (44 samples) within the Santos Basin. The distribution of these ostracodes is controlled by local hydrological conditions such as the temperature and, possibly, the oxygen minimum zone (OMZ). However, these factors cannot explain completely the species occurrence in the analysed cores, and relative sea level changes and productivity variation driven by climatic changes are proposed as additional explanations for the faunal distribution pattern.</p>","language":"English","publisher":"SpringerLink","doi":"10.1007/BF03043205","usgsCitation":"Bergue, C., Coimbra, J., and Cronin, T.M., 2007, Cytherellid species (Ostracoda) and their significance to the Late Quaternary events in the Santos Basin, Brazil: Senckenbergiana Maritima, v. 37, no. 1, p. 5-12, https://doi.org/10.1007/BF03043205.","productDescription":"8 p.","startPage":"5","endPage":"12","costCenters":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"links":[{"id":241369,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Brazil","otherGeospatial":"Santos Basin","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -46.483154296875,\n              -24.0514803432201\n            ],\n            [\n              -46.329345703125,\n              -24.07154375707524\n            ],\n            [\n              -46.1480712890625,\n              -24.03141379328328\n            ],\n            [\n              -46.142578125,\n              -23.986252599841798\n            ],\n            [\n              -46.12060546875,\n              -23.90090491303774\n            ],\n            [\n              -46.197509765625,\n              -23.85067404608915\n            ],\n            [\n              -46.2908935546875,\n              -23.85067404608915\n            ],\n            [\n              -46.4227294921875,\n              -23.865745352647956\n            ],\n            [\n              -46.5106201171875,\n              -23.96115620034201\n            ],\n            [\n              -46.483154296875,\n              -24.0514803432201\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"37","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059fd29e4b0c8380cd4e685","contributors":{"authors":[{"text":"Bergue, C.T.","contributorId":60451,"corporation":false,"usgs":true,"family":"Bergue","given":"C.T.","email":"","affiliations":[],"preferred":false,"id":438397,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Coimbra, J.C.","contributorId":27275,"corporation":false,"usgs":true,"family":"Coimbra","given":"J.C.","email":"","affiliations":[],"preferred":false,"id":438395,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"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":438396,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70032894,"text":"70032894 - 2007 - The role of headwater streams in downstream water quality","interactions":[],"lastModifiedDate":"2012-03-12T17:21:37","indexId":"70032894","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2529,"text":"Journal of the American Water Resources Association","active":true,"publicationSubtype":{"id":10}},"title":"The role of headwater streams in downstream water quality","docAbstract":"Knowledge of headwater influences on the water-quality and flow conditions of downstream waters is essential to water-resource management at all governmental levels; this includes recent court decisions on the jurisdiction of the Federal Clean Water Act (CWA) over upland areas that contribute to larger downstream water bodies. We review current watershed research and use a water-quality model to investigate headwater influences on downstream receiving waters. Our evaluations demonstrate the intrinsic connections of headwaters to landscape processes and downstream waters through their influence on the supply, transport, and fate of water and solutes in watersheds. Hydrological processes in headwater catchments control the recharge of subsurface water stores, flow paths, and residence times of water throughout landscapes. The dynamic coupling of hydrological and biogeochemical processes in upland streams further controls the chemical form, timing, and longitudinal distances of solute transport to downstream waters. We apply the spatially explicit, mass-balance watershed model SPARROW to consider transport and transformations of water and nutrients throughout stream networks in the northeastern United States. We simulate fluxes of nitrogen, a primary nutrient that is a water-quality concern for acidification of streams and lakes and eutrophication of coastal waters, and refine the model structure to include literature observations of nitrogen removal in streams and lakes. We quantify nitrogen transport from headwaters to downstream navigable waters, where headwaters are defined within the model as first-order, perennial streams that include flow and nitrogen contributions from smaller, intermittent and ephemeral streams. We find that first-order headwaters contribute approximately 70% of the mean-annual water volume and 65% of the nitrogen flux in second-order streams. Their contributions to mean water volume and nitrogen flux decline only marginally to about 55% and 40% in fourth- and higher-order rivers that include navigable waters and their tributaries. These results underscore the profound influence that headwater areas have on shaping downstream water quantity and water quality. The results have relevance to water-resource management and regulatory decisions and potentially broaden understanding of the spatial extent of Federal CWA jurisdiction in U.S. waters. ?? 2007 American Water Resources Association.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of the American Water Resources Association","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1752-1688.2007.00005.x","issn":"1093474X","usgsCitation":"Alexander, R.B., Boyer, E., Smith, R.A., Schwarz, G., and Moore, R.B., 2007, The role of headwater streams in downstream water quality: Journal of the American Water Resources Association, v. 43, no. 1, p. 41-59, https://doi.org/10.1111/j.1752-1688.2007.00005.x.","startPage":"41","endPage":"59","numberOfPages":"19","costCenters":[],"links":[{"id":476990,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/j.1752-1688.2007.00005.x","text":"Publisher Index Page"},{"id":213292,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1752-1688.2007.00005.x"},{"id":240904,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"43","issue":"1","noUsgsAuthors":false,"publicationDate":"2007-01-26","publicationStatus":"PW","scienceBaseUri":"505baf74e4b08c986b3247e6","contributors":{"authors":[{"text":"Alexander, R. B.","contributorId":108103,"corporation":false,"usgs":true,"family":"Alexander","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":438412,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Boyer, E.W.","contributorId":56358,"corporation":false,"usgs":false,"family":"Boyer","given":"E.W.","email":"","affiliations":[{"id":6738,"text":"The Pennsylvania State University","active":true,"usgs":false}],"preferred":false,"id":438409,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Smith, R. A.","contributorId":60584,"corporation":false,"usgs":true,"family":"Smith","given":"R.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":438410,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Schwarz, G. E. 0000-0002-9239-4566","orcid":"https://orcid.org/0000-0002-9239-4566","contributorId":14852,"corporation":false,"usgs":true,"family":"Schwarz","given":"G. E.","affiliations":[],"preferred":false,"id":438408,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Moore, R. B.","contributorId":98720,"corporation":false,"usgs":true,"family":"Moore","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":438411,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70032992,"text":"70032992 - 2007 - Forensic fingerprinting of oil-spill hydrocarbons in a methanogenic environment-Mandan, ND and Bemidji, MN","interactions":[],"lastModifiedDate":"2018-10-16T10:51:10","indexId":"70032992","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1537,"text":"Environmental Forensics","active":true,"publicationSubtype":{"id":10}},"title":"Forensic fingerprinting of oil-spill hydrocarbons in a methanogenic environment-Mandan, ND and Bemidji, MN","docAbstract":"<p>In recent decades forensic fingerprinting of oil-spill hydrocarbons has emerged as an important tool for correlating oils and for evaluating their source and character. Two long-term hydrocarbon spills, an off-road diesel spill (Mandan, ND) and a crude oil spill (Bemidji, MN) experiencing methanogenic biodegradation were previously shown to be undergoing an unexpected progression of homologous n-alkane and n-alkylated cyclohexane loss. Both exhibited degradative losses proceeding from the high-molecular-weight end of the distributions, along with transitory concentration increases of lower-molecular-weight homologs. Particularly in the case of the diesel fuel spill, these methanogenic degradative patterns can result in series distributions that mimic lower cut refinery fuels or admixture with lower cut fuels. Forensic fingerprinting in this long-term spill must therefore rely on more recalcitrant series, such as polycyclic aromatic hydrocarbon or drimane sesquiterpane profiles, to prove if the spilled oil is single-sourced or whether there is verifiable admixture with other extraneous refinery fuels. Degradation processes impacting n-alkanes and n-alkylated ring compounds, which make these compounds unsuitable for fingerprinting, nevertheless are of interest in understanding methanogenic biodegradation.</p>","largerWorkTitle":"Environmental Forensics","language":"English","publisher":"Taylor & Francis ","doi":"10.1080/15275920601180685","issn":"15275922","usgsCitation":"Hostettler, F.D., Wang, Y., Huang, Y., Cao, W., Bekins, B.A., Rostad, C.E., Kulpa, C.F., and Laursen, A.E., 2007, Forensic fingerprinting of oil-spill hydrocarbons in a methanogenic environment-Mandan, ND and Bemidji, MN: Environmental Forensics, v. 8, no. 1-2, p. 139-153, https://doi.org/10.1080/15275920601180685.","productDescription":"15 p.","startPage":"139","endPage":"153","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":213269,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1080/15275920601180685"},{"id":240878,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","volume":"8","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a1322e4b0c8380cd5452f","contributors":{"authors":[{"text":"Hostettler, Frances D. fdhostet@usgs.gov","contributorId":3383,"corporation":false,"usgs":true,"family":"Hostettler","given":"Frances","email":"fdhostet@usgs.gov","middleInitial":"D.","affiliations":[],"preferred":true,"id":438866,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wang, Y.","contributorId":64213,"corporation":false,"usgs":true,"family":"Wang","given":"Y.","affiliations":[],"preferred":false,"id":438863,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Huang, Y.","contributorId":62000,"corporation":false,"usgs":true,"family":"Huang","given":"Y.","email":"","affiliations":[],"preferred":false,"id":438862,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Cao, W.","contributorId":10511,"corporation":false,"usgs":true,"family":"Cao","given":"W.","email":"","affiliations":[],"preferred":false,"id":438860,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bekins, Barbara A. 0000-0002-1411-6018 babekins@usgs.gov","orcid":"https://orcid.org/0000-0002-1411-6018","contributorId":1348,"corporation":false,"usgs":true,"family":"Bekins","given":"Barbara","email":"babekins@usgs.gov","middleInitial":"A.","affiliations":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":36183,"text":"Hydro-Ecological Interactions Branch","active":true,"usgs":true},{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":438865,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Rostad, Colleen E. cerostad@usgs.gov","contributorId":833,"corporation":false,"usgs":true,"family":"Rostad","given":"Colleen","email":"cerostad@usgs.gov","middleInitial":"E.","affiliations":[],"preferred":true,"id":438861,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Kulpa, C. F.","contributorId":77745,"corporation":false,"usgs":false,"family":"Kulpa","given":"C.","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":438864,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Laursen, Andrew E.","contributorId":99783,"corporation":false,"usgs":true,"family":"Laursen","given":"Andrew","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":438867,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":70033015,"text":"70033015 - 2007 - Persistence of pharmaceuticals and other organic compounds in chlorinated drinking water as a function of time","interactions":[],"lastModifiedDate":"2018-10-17T08:38:40","indexId":"70033015","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3352,"text":"Science of the Total Environment","active":true,"publicationSubtype":{"id":10}},"title":"Persistence of pharmaceuticals and other organic compounds in chlorinated drinking water as a function of time","docAbstract":"<p>Ninety eight pharmaceuticals and other organic compounds (POOCs) that were amended to samples of chlorinated drinking-water were extracted and analyzed 1, 3, 6, 8, and 10 days after amendment to determine whether the total chlorine residual reacted with the amended POOCs in drinking water in a time frame similar to the residence time of drinking water in a water distribution system.</p><p>Results indicated that if all 98 were present in the finished drinking water from a drinking-water treatment plant using free chlorine at 1.2&nbsp;mg/L as the distribution system disinfectant residual, 52 POOCs would be present in the drinking water after 10&nbsp;days at approximately the same concentration as in the newly finished drinking water. Concentrations of 16 POOCs would be reduced by 32% to 92%, and 22 POOCs would react completely with residual chlorine within 24&nbsp;h. Thus, the presence of free chlorine residual is an effective means for transforming some POOCs during distribution.</p>","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Science of the Total Environment","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Elsevier","doi":"10.1016/j.scitotenv.2006.11.003","issn":"00489697","usgsCitation":"Gibs, J., Stackelberg, P.E., Furlong, E.T., Meyer, M.T., Zaugg, S.D., and Lippincott, R., 2007, Persistence of pharmaceuticals and other organic compounds in chlorinated drinking water as a function of time: Science of the Total Environment, v. 373, no. 1, p. 240-249, https://doi.org/10.1016/j.scitotenv.2006.11.003.","productDescription":"10 p.","startPage":"240","endPage":"249","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":240744,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":213148,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.scitotenv.2006.11.003"}],"volume":"373","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a76eee4b0c8380cd7839d","contributors":{"authors":[{"text":"Gibs, Jacob jgibs@usgs.gov","contributorId":1729,"corporation":false,"usgs":true,"family":"Gibs","given":"Jacob","email":"jgibs@usgs.gov","affiliations":[],"preferred":true,"id":438981,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stackelberg, Paul E. 0000-0002-1818-355X pestack@usgs.gov","orcid":"https://orcid.org/0000-0002-1818-355X","contributorId":1069,"corporation":false,"usgs":true,"family":"Stackelberg","given":"Paul","email":"pestack@usgs.gov","middleInitial":"E.","affiliations":[{"id":474,"text":"New York Water Science Center","active":true,"usgs":true}],"preferred":true,"id":438978,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Furlong, Edward T. 0000-0002-7305-4603 efurlong@usgs.gov","orcid":"https://orcid.org/0000-0002-7305-4603","contributorId":740,"corporation":false,"usgs":true,"family":"Furlong","given":"Edward","email":"efurlong@usgs.gov","middleInitial":"T.","affiliations":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true},{"id":5046,"text":"Branch of Analytical Serv (NWQL)","active":true,"usgs":true},{"id":27111,"text":"National Water Quality Program","active":true,"usgs":true},{"id":503,"text":"Office of Water Quality","active":true,"usgs":true}],"preferred":true,"id":438983,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Meyer, Michael T. 0000-0001-6006-7985 mmeyer@usgs.gov","orcid":"https://orcid.org/0000-0001-6006-7985","contributorId":866,"corporation":false,"usgs":true,"family":"Meyer","given":"Michael","email":"mmeyer@usgs.gov","middleInitial":"T.","affiliations":[{"id":353,"text":"Kansas Water Science Center","active":false,"usgs":true}],"preferred":true,"id":438982,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Zaugg, Steven D. sdzaugg@usgs.gov","contributorId":768,"corporation":false,"usgs":true,"family":"Zaugg","given":"Steven","email":"sdzaugg@usgs.gov","middleInitial":"D.","affiliations":[],"preferred":true,"id":438980,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Lippincott, R.L.","contributorId":73817,"corporation":false,"usgs":true,"family":"Lippincott","given":"R.L.","email":"","affiliations":[],"preferred":false,"id":438979,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70033049,"text":"70033049 - 2007 - A field investigation of phreatophyte‐induced fluctuations in the water table","interactions":[],"lastModifiedDate":"2018-04-03T17:32:19","indexId":"70033049","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"A field investigation of phreatophyte‐induced fluctuations in the water table","docAbstract":"<p><span>Hydrographs from shallow wells in vegetated riparian zones frequently display a distinctive pattern of diurnal water table fluctuations produced by variations in plant water use. A multisite investigation assessed the major controls on these fluctuations and the ecohydrologic insights that can be gleaned from them. Spatial and temporal variations in the amplitude of the fluctuations are primarily a function of variations in (1) the meteorological drivers of plant water use, (2) vegetation density, type, and vitality, and (3) the specific yield of sediments in the vicinity of the water table. Past hydrologic conditions experienced by the riparian zone vegetation, either in previous years or earlier within the same growing season, are also an important control. Diurnal water table fluctuations can be considered a diagnostic indicator of groundwater consumption by phreatophytes at most sites, so the information embedded within these fluctuations should be more widely exploited in ecohydrologic studies.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2005WR004627","usgsCitation":"Butler, J.J., Kluitenberg, G.J., Whittemore, D.O., Loheide, S.P., Jin, W., Billinger, M.A., and Zhan, X., 2007, A field investigation of phreatophyte‐induced fluctuations in the water table: Water Resources Research, v. 43, no. 2, Article W02404; 12 p., https://doi.org/10.1029/2005WR004627.","productDescription":"Article W02404; 12 p.","costCenters":[],"links":[{"id":477034,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2005wr004627","text":"Publisher Index Page"},{"id":240712,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"43","issue":"2","noUsgsAuthors":false,"publicationDate":"2007-02-07","publicationStatus":"PW","scienceBaseUri":"5059e3d3e4b0c8380cd46241","contributors":{"authors":[{"text":"Butler, James J. Jr.","contributorId":199860,"corporation":false,"usgs":false,"family":"Butler","given":"James","suffix":"Jr.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":439121,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kluitenberg, Gerard J.","contributorId":93706,"corporation":false,"usgs":false,"family":"Kluitenberg","given":"Gerard","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":439127,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Whittemore, Donald O.","contributorId":28748,"corporation":false,"usgs":false,"family":"Whittemore","given":"Donald","email":"","middleInitial":"O.","affiliations":[],"preferred":false,"id":439124,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Loheide, Steven P. II","contributorId":62377,"corporation":false,"usgs":false,"family":"Loheide","given":"Steven","suffix":"II","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":439125,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Jin, Wei","contributorId":169363,"corporation":false,"usgs":false,"family":"Jin","given":"Wei","email":"","affiliations":[],"preferred":false,"id":439123,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Billinger, Mark A.","contributorId":117268,"corporation":false,"usgs":false,"family":"Billinger","given":"Mark","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":439126,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Zhan, Xiaoyong","contributorId":140206,"corporation":false,"usgs":false,"family":"Zhan","given":"Xiaoyong","email":"","affiliations":[],"preferred":false,"id":439122,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70033051,"text":"70033051 - 2007 - The lakes of Titan","interactions":[],"lastModifiedDate":"2018-12-07T16:40:59","indexId":"70033051","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2840,"text":"Nature","active":true,"publicationSubtype":{"id":10}},"title":"The lakes of Titan","docAbstract":"<p><span>The surface of Saturn’s haze-shrouded moon Titan has long been proposed to have oceans or lakes, on the basis of the stability of liquid methane at the surface</span><sup>1,2</sup><span>. Initial visible</span><sup>3</sup><span>&nbsp;and radar</span><sup>4,5</sup><span>&nbsp;imaging failed to find any evidence of an ocean, although abundant evidence was found that flowing liquids have existed on the surface</span><sup>5,6</sup><span>. Here we provide definitive evidence for the presence of lakes on the surface of Titan, obtained during the Cassini Radar flyby of Titan on 22 July 2006 (T</span><sub>16</sub><span>). The radar imaging polewards of 70° north shows more than 75 circular to irregular radar-dark patches, in a region where liquid methane and ethane are expected to be abundant and stable on the surface</span><sup>2,7</sup><span>. The radar-dark patches are interpreted as lakes on the basis of their very low radar reflectivity and morphological similarities to lakes, including associated channels and location in topographic depressions. Some of the lakes do not completely fill the depressions in which they lie, and apparently dry depressions are present. We interpret this to indicate that lakes are present in a number of states, including partly dry and liquid-filled. These northern-hemisphere lakes constitute the strongest evidence yet that a condensable-liquid hydrological cycle is active in Titan’s surface and atmosphere, in which the lakes are filled through rainfall and/or intersection with the subsurface ‘liquid methane’ table.</span></p>","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Nature","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Springer Nature","doi":"10.1038/nature05438","issn":"00280836","usgsCitation":"Stofan, E.R., Elachi, C., Lunine, J.I., Lorenz, R.D., Stiles, B., Mitchell, K.L., Ostro, S., Soderblom, L.A., Wood, C., Zebker, H., Wall, S., Janssen, M.A., Kirk, R.L., Lopes, R., Paganelli, F., Radebaugh, J., Wye, L., Anderson, Y., Allison, M., Boehmer, R., Callahan, P., Encrenaz, P., Flamini, E., Francescetti, G., Gim, Y., Hamilton, G., Hensley, S., Johnson, W., Kelleher, K., Muhleman, D., Paillou, P., Picardi, G., Posa, F., Roth, L., Seu, R., Shaffer, S., Vetrella, S., and West, R., 2007, The lakes of Titan: Nature, v. 445, no. 7123, p. 61-64, https://doi.org/10.1038/nature05438.","productDescription":"4 p.","startPage":"61","endPage":"64","numberOfPages":"4","costCenters":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"links":[{"id":476978,"rank":1,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://resolver.caltech.edu/CaltechAUTHORS:20150408-080531263","text":"External Repository"},{"id":240746,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Titan","volume":"445","issue":"7123","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bad7ae4b08c986b323c31","contributors":{"authors":[{"text":"Stofan, Ellen R.","contributorId":103746,"corporation":false,"usgs":true,"family":"Stofan","given":"Ellen","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":439163,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Elachi, Charles","contributorId":211194,"corporation":false,"usgs":false,"family":"Elachi","given":"Charles","email":"","affiliations":[{"id":7023,"text":"Jet Propulsion Laboratory, California Institute of Technology","active":true,"usgs":false}],"preferred":false,"id":439165,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lunine, Jonathan I.","contributorId":82447,"corporation":false,"usgs":true,"family":"Lunine","given":"Jonathan","email":"","middleInitial":"I.","affiliations":[],"preferred":false,"id":439147,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lorenz, Ralf D.","contributorId":147255,"corporation":false,"usgs":false,"family":"Lorenz","given":"Ralf","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":439160,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Stiles, B.","contributorId":59547,"corporation":false,"usgs":true,"family":"Stiles","given":"B.","email":"","affiliations":[],"preferred":false,"id":439149,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Mitchell, K. 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,{"id":70033219,"text":"70033219 - 2007 - Impacts of waste from concentrated animal feeding operations on water quality","interactions":[],"lastModifiedDate":"2018-10-26T07:57:46","indexId":"70033219","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1542,"text":"Environmental Health Perspectives","active":true,"publicationSubtype":{"id":10}},"title":"Impacts of waste from concentrated animal feeding operations on water quality","docAbstract":"<p>Waste from agricultural livestock operations has been a long-standing concern with respect to contamination of water resources, particularly in terms of nutrient pollution. However, the recent growth of concentrated animal feeding operations (CAFOs) presents a greater risk to water quality because of both the increased volume of waste and to contaminants that may be present (e.g., antibiotics and other veterinary drugs) that may have both environmental and public health importance. Based on available data, generally accepted livestock waste management practices do not adequately or effectively protect water resources from contamination with excessive nutrients, microbial pathogens, and pharmaceuticals present in the waste. Impacts on surface water sources and wildlife have been documented in many agricultural areas in the United States. Potential impacts on human and environmental health from long-term inadvertent exposure to water contaminated with pharmaceuticals and other compounds are a growing public concern. This workgroup, which is part of the Conference on Environmental Health Impacts of Concentrated Animal Feeding Operations: Anticipating Hazards-Searching for Solutions, identified needs for rigorous ecosystem monitoring in the vicinity of CAFOs and for improved characterization of major toxicants affecting the environment and human health. Last, there is a need to promote and enforce best practices to minimize inputs of nutrients and toxicants from CAFOs into freshwater and marine ecosystems.</p>","language":"English","publisher":"National Institute of Environmental Health Sciences","doi":"10.1289/ehp.8839","issn":"00916765","usgsCitation":"Burkholder, J., Libra, B., Weyer, P., Heathcote, S., Kolpin, D., Thorne, P., and Wichman, M., 2007, Impacts of waste from concentrated animal feeding operations on water quality: Environmental Health Perspectives, v. 115, no. 2, p. 308-312, https://doi.org/10.1289/ehp.8839.","productDescription":"5 p.","startPage":"308","endPage":"312","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":351,"text":"Iowa Water Science Center","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":487774,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1289/ehp.8839","text":"Publisher Index Page"},{"id":240724,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"115","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a3901e4b0c8380cd61781","contributors":{"authors":[{"text":"Burkholder, J.","contributorId":7091,"corporation":false,"usgs":true,"family":"Burkholder","given":"J.","email":"","affiliations":[],"preferred":false,"id":439880,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Libra, B.","contributorId":73016,"corporation":false,"usgs":true,"family":"Libra","given":"B.","email":"","affiliations":[],"preferred":false,"id":439885,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Weyer, P.","contributorId":76947,"corporation":false,"usgs":true,"family":"Weyer","given":"P.","email":"","affiliations":[],"preferred":false,"id":439886,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Heathcote, S.","contributorId":20163,"corporation":false,"usgs":true,"family":"Heathcote","given":"S.","email":"","affiliations":[],"preferred":false,"id":439882,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Kolpin, D.","contributorId":18128,"corporation":false,"usgs":true,"family":"Kolpin","given":"D.","email":"","affiliations":[],"preferred":false,"id":439881,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Thorne, P.S.","contributorId":31986,"corporation":false,"usgs":true,"family":"Thorne","given":"P.S.","email":"","affiliations":[],"preferred":false,"id":439883,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Wichman, M.","contributorId":49983,"corporation":false,"usgs":true,"family":"Wichman","given":"M.","affiliations":[],"preferred":false,"id":439884,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70033223,"text":"70033223 - 2007 - The influence of major dams on hydrology through the drainage network of the Sacramento River basin, California","interactions":[],"lastModifiedDate":"2012-03-12T17:21:35","indexId":"70033223","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3301,"text":"River Research and Applications","active":true,"publicationSubtype":{"id":10}},"title":"The influence of major dams on hydrology through the drainage network of the Sacramento River basin, California","docAbstract":"This paper reports basinwide patterns of hydrograph alteration via statistical and graphical analysis from a network of long-term streamflow gauges located various distances downstream of major dams and confluences in the Sacramento River basin in California, USA. Streamflow data from 10 gauging stations downstream of major dams were divided into hydrologic series corresponding to the periods before and after dam construction. Pre- and post-dam flows were compared with respect to hydrograph characteristics representing frequency, magnitude and shape: annual flood peak, annual flow trough, annual flood volume, time to flood peak, flood drawdown time and interarrival time. The use of such a suite of characteristics within a statistical and graphical framework allows for generalising distinct strategies of flood control operation that can be identified without any a priori knowledge of operations rules. Dam operation is highly dependent on the ratio of reservoir capacity to annual flood volume (impounded runoff index). Dams with high values of this index generally completely cut off flood peaks thus reducing time to peak, drawdown time and annual flood volume. Those with low values conduct early and late flow releases to extend the hydrograph, increasing time to peak, drawdown time and annual flood volume. The analyses reveal minimal flood control benefits from foothill dams in the lower Sacramento River (i.e. dissipation of the down-valley flood control signal). The lower part of the basin is instead reliant on a weir and bypass system to control lowland flooding. Data from a control gauge (i.e. with no upstream dams) suggest a background signature of global climate change expressed as shortened flood hydrograph falling limbs and lengthened flood interarrival times at low exceedence probabilities. This research has implications for flood control, water resource management, aquatic and riparian ecosystems and for rehabilitation strategies involving flow alteration and/or manipulation of sediment supplies. Copyright ?? 2006 John Wiley & Sons, Ltd.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"River Research and Applications","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1002/rra.968","issn":"15351459","usgsCitation":"Singer, M., 2007, The influence of major dams on hydrology through the drainage network of the Sacramento River basin, California: River Research and Applications, v. 23, no. 1, p. 55-72, https://doi.org/10.1002/rra.968.","startPage":"55","endPage":"72","numberOfPages":"18","costCenters":[],"links":[{"id":213187,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1002/rra.968"},{"id":240790,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"23","issue":"1","noUsgsAuthors":false,"publicationDate":"2006-10-26","publicationStatus":"PW","scienceBaseUri":"505bad2de4b08c986b323a2a","contributors":{"authors":[{"text":"Singer, M.B.","contributorId":67274,"corporation":false,"usgs":true,"family":"Singer","given":"M.B.","email":"","affiliations":[],"preferred":false,"id":439906,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70033634,"text":"70033634 - 2007 - The importance of subsurface geology for water source and vegetation communities in Cherokee Marsh, Wisconsin","interactions":[],"lastModifiedDate":"2020-09-10T19:08:23.416541","indexId":"70033634","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3750,"text":"Wetlands","onlineIssn":"1943-6246","printIssn":"0277-5212","active":true,"publicationSubtype":{"id":10}},"title":"The importance of subsurface geology for water source and vegetation communities in Cherokee Marsh, Wisconsin","docAbstract":"<p><span>Restoration of disturbed wetland systems is an important component of wetland mitigation, yet uncertainty remains about how hydrologic processes affect biologic processes and wetlands patterns. To design more effective restoration strategies and re-establish native plant communities in disturbed wetlands, it is imperative to understand undisturbed systems. A site within Cherokee Marsh located in Madison, Wisconsin, USA, contains a relatively undisturbed area of wetland consisting of plant communities common within the prairie landscape including a fen, sedge meadow, and shallow marsh. These distinct communities are found within an area of minimal topographic relief, yet transitions from one community to the next occur over short distances. This study sought to characterize the geologic, hydrologic, and chemical gradients associated with these shifts in vegetation to gain insight into the factors controlling the spatial differences in dominant plant species, which could be critical for restoration success. Vegetation analyses revealed a transition of dominant sedge species, which appeared to correspond to changes in hydrology from a ground-water dominated to a surface-water dominated system (as determined by water isotopes). Along the same vegetation transect, subsurface coring results show a heterogeneous composition of peat and till with lateral and vertical variations in stratigraphy, which relates to variability in ground-water discharge as evidenced by hydroperiods and stable isotope composition. Applications of this type of approach throughout the glaciated terrains of the midwestern and northeastern United States and Canada can improve future wetland restoration and management.</span></p>","doi":"10.1672/0277-5212(2007)27[189:TIOSGF]2.0.CO;2","usgsCitation":"Kurtz, A., Bahr, J., Carpenter, Q.J., and Hunt, R., 2007, The importance of subsurface geology for water source and vegetation communities in Cherokee Marsh, Wisconsin: Wetlands, v. 27, no. 1, p. 189-202, https://doi.org/10.1672/0277-5212(2007)27[189:TIOSGF]2.0.CO;2.","productDescription":"14 p.","startPage":"189","endPage":"202","numberOfPages":"14","costCenters":[],"links":[{"id":241989,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Wisconsin","otherGeospatial":"Cherokee Marsh","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -89.4015884399414,\n              43.137069765760344\n            ],\n            [\n              -89.3579864501953,\n              43.1529763194357\n            ],\n            [\n              -89.33446884155273,\n              43.162994070968374\n            ],\n            [\n              -89.33378219604492,\n              43.18427633964703\n            ],\n            [\n              -89.34288024902344,\n              43.19203626250746\n            ],\n            [\n              -89.38013076782227,\n              43.18527767545014\n            ],\n            [\n              -89.4063949584961,\n              43.158861947471785\n            ],\n            [\n              -89.41188812255858,\n              43.14258116631987\n            ],\n            [\n              -89.4093132019043,\n              43.1355665702956\n            ],\n            [\n              -89.4015884399414,\n              43.13656870471118\n            ],\n            [\n              -89.4015884399414,\n              43.137069765760344\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"27","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bacffe4b08c986b3238e4","contributors":{"authors":[{"text":"Kurtz, A.M.","contributorId":74969,"corporation":false,"usgs":true,"family":"Kurtz","given":"A.M.","email":"","affiliations":[],"preferred":false,"id":441779,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bahr, J.M.","contributorId":62346,"corporation":false,"usgs":true,"family":"Bahr","given":"J.M.","email":"","affiliations":[],"preferred":false,"id":441778,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Carpenter, Q. 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,{"id":70035579,"text":"70035579 - 2007 - Integrating observation and statistical forecasts over sub-Saharan Africa to support Famine Early Warning","interactions":[],"lastModifiedDate":"2022-05-18T15:04:30.297996","indexId":"70035579","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Integrating observation and statistical forecasts over sub-Saharan Africa to support Famine Early Warning","docAbstract":"Famine early warning in Africa presents unique challenges and rewards. Hydrologic extremes must be tracked and anticipated over complex and changing climate regimes. The successful anticipation and interpretation of hydrologic shocks can initiate effective government response, saving lives and softening the impacts of droughts and floods. While both monitoring and forecast technologies continue to advance, discontinuities between monitoring and forecast systems inhibit effective decision making. Monitoring systems typically rely on high resolution satellite remote-sensed normalized difference vegetation index (NDVI) and rainfall imagery. Forecast systems provide information on a variety of scales and formats. Non-meteorologists are often unable or unwilling to connect the dots between these disparate sources of information. To mitigate these problem researchers at UCSB's Climate Hazard Group, NASA GIMMS and USGS/EROS are implementing a NASA-funded integrated decision support system that combines the monitoring of precipitation and NDVI with statistical one-to-three month forecasts. We present the monitoring/forecast system, assess its accuracy, and demonstrate its application in food insecure sub-Saharan Africa.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"87th American Meteorological Society annual meeting","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"87th American Meteorological Society Annual Meeting","conferenceDate":"Jan 14-18, 2007","conferenceLocation":"San Antonio, TX","language":"English","publisher":"American Meteorological Society","usgsCitation":"Funk, C., Verdin, J.P., and Husak, G., 2007, Integrating observation and statistical forecasts over sub-Saharan Africa to support Famine Early Warning, <i>in</i> 87th American Meteorological Society annual meeting, San Antonio, TX, Jan 14-18, 2007.","numberOfPages":"20","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) 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,{"id":70171439,"text":"70171439 - 2007 - Occurrence of pesticides in water, sediment, and soil from the Yolo Bypass, California","interactions":[],"lastModifiedDate":"2021-06-10T16:56:44.182741","indexId":"70171439","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3331,"text":"San Francisco Estuary and Watershed Science","active":true,"publicationSubtype":{"id":10}},"title":"Occurrence of pesticides in water, sediment, and soil from the Yolo Bypass, California","docAbstract":"<p>The objective of this study was to evaluate the potential sources of pesticides to the Yolo Bypass, including those that could potentially impact critical life stages of resident fish. To assess direct inputs during inundation, pesticide concentrations were analyzed in water and suspended and bed sediment samples collected from source watersheds during high-flow events. To understand inputs from direct application on fields, pesticides were also measured in soils collected from several sites within the Bypass. Thirteen current-use pesticides were detected in water samples collected in 2004 with the highest pesticide concentrations observed at the input sites to the Bypass during high-flow. Hexazinone and simazine were detected at all sites and at some of the highest concentrations. In bed and suspended sediments collected in 2004 and 2005, thirteen current-use pesticides were detected along with DDT and its metabolites. Trifluralin, DDE, and DDT were highest in the bed sediments, whereas oxyfluorfen and thiobencarb were highest in the suspended sediments. With the exception of the three organochlorine insecticides, suspended sediments had higher pesticide concentrations compared to bed sediments, indicating the potential for pesticide transport especially during high-flow events. Soil samples were dominated by DDT and its degradates but also contained a variety of current-use pesticides typically at lower concentrations. The types of pesticides detected in water and sediments were correlated with agricultural application in each watershed.</p><p>Understanding the distribution of pesticides between the water and sediment is important in assessing their fate and transport within the Bypass, and in evaluating the exposure and potential effects to resident fish.</p>","language":"English","publisher":"eScholarship University of California","doi":"10.15447/sfews.2007v5iss1art2","usgsCitation":"Smalling, K., Orlando, J.L., and Kuivila, K., 2007, Occurrence of pesticides in water, sediment, and soil from the Yolo Bypass, California: San Francisco Estuary and Watershed Science, v. 5, no. 1, 17 p., https://doi.org/10.15447/sfews.2007v5iss1art2.","productDescription":"17 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":477199,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.15447/sfews.2007v5iss1art2","text":"Publisher Index Page"},{"id":321927,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"Yolo Bypass","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -121.69692993164062,\n              38.23494411562881\n            ],\n            [\n              -121.54586791992188,\n              38.23494411562881\n            ],\n            [\n              -121.54586791992188,\n              38.78941577989049\n            ],\n            [\n              -121.69692993164062,\n              38.78941577989049\n            ],\n            [\n              -121.69692993164062,\n              38.23494411562881\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"5","issue":"1","noUsgsAuthors":false,"publicationDate":"2007-02-22","publicationStatus":"PW","scienceBaseUri":"574eb5d9e4b0ee97d51a83e1","contributors":{"authors":[{"text":"Smalling, Kelly L. ksmall@usgs.gov","contributorId":1370,"corporation":false,"usgs":true,"family":"Smalling","given":"Kelly L.","email":"ksmall@usgs.gov","affiliations":[{"id":470,"text":"New Jersey Water Science Center","active":true,"usgs":true}],"preferred":false,"id":630985,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Orlando, James L. 0000-0002-0099-7221 jorlando@usgs.gov","orcid":"https://orcid.org/0000-0002-0099-7221","contributorId":1368,"corporation":false,"usgs":true,"family":"Orlando","given":"James","email":"jorlando@usgs.gov","middleInitial":"L.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":false,"id":630986,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kuivila, Kathryn  0000-0001-7940-489X kkuivila@usgs.gov","orcid":"https://orcid.org/0000-0001-7940-489X","contributorId":1367,"corporation":false,"usgs":true,"family":"Kuivila","given":"Kathryn ","email":"kkuivila@usgs.gov","affiliations":[{"id":518,"text":"Oregon Water Science Center","active":true,"usgs":true}],"preferred":false,"id":630987,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70029881,"text":"70029881 - 2007 - Characterization of suspended particles in Everglades wetlands","interactions":[],"lastModifiedDate":"2018-10-16T11:02:45","indexId":"70029881","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2620,"text":"Limnology and Oceanography","active":true,"publicationSubtype":{"id":10}},"title":"Characterization of suspended particles in Everglades wetlands","docAbstract":"<p><span>We report the concentration, phosphorus (P) and nitrogen (N) content, and size and chemical fractionation of fine suspended particles (0.2‐100 µm) and colloids (3 kilodalton [kDa]‐0.1 µm) in the surface water of Everglades wetlands along regional and P‐enrichment gradients. Total suspended sediment concentrations ranged from 0.7 to 2.7 mg L</span><sup>−1</sup><span>. Total particulate P concentrations increased from 0.05 µmol L21 to 0.31 µmol L</span><sup>−1</sup><span>along the Penrichment gradient. Particles contained from 20% to 43% of total P but &lt;12% of total N in surface water. Dissolved (&lt;0.2 µm) organic N contained about 90% of total N, with the 3‐100‐kDa colloidal size class containing the most N of any size class. The 0.45‐2.7‐µm size fraction held the most particulate P at all sites, whereas particulate N was most abundant in the 2.7‐10‐µm size class at most sites. Standard chemical fractionation of particles identified acid‐hydrolyzable P as the most abundant species of particulate P, with little reactive or refractory organic P. Sequential chemical extraction revealed that about 65% of total particulate P was microbial, while about 25% was associated with humic and fulvic organic matter. The size and chemical fractionation information suggested that P‐rich particles mostly consisted of suspended bacteria. Suspended particles in Everglades wetlands were small in size and had low concentrations, yet they stored a large proportion of surface‐water P in intermediately reactive forms, but they held little N.</span></p>","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Limnology and Oceanography","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.4319/lo.2007.52.3.1166","issn":"00243590","usgsCitation":"Noe, G., Harvey, J.W., and Saiers, J.E., 2007, Characterization of suspended particles in Everglades wetlands: Limnology and Oceanography, v. 52, no. 3, p. 1166-1178, https://doi.org/10.4319/lo.2007.52.3.1166.","productDescription":"13 p.","startPage":"1166","endPage":"1178","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":477128,"rank":1,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.715.2908","text":"External Repository"},{"id":240457,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":265987,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.4319/lo.2007.52.3.1166"}],"country":"United States","state":"Florida","otherGeospatial":"Everglades wetlands","volume":"52","issue":"3","noUsgsAuthors":false,"publicationDate":"2007-05-17","publicationStatus":"PW","scienceBaseUri":"5059f4dfe4b0c8380cd4bf8c","contributors":{"authors":[{"text":"Noe, Gregory B. 0000-0002-6661-2646 gnoe@usgs.gov","orcid":"https://orcid.org/0000-0002-6661-2646","contributorId":2332,"corporation":false,"usgs":true,"family":"Noe","given":"Gregory","email":"gnoe@usgs.gov","middleInitial":"B.","affiliations":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"preferred":false,"id":424717,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Harvey, Judson W. 0000-0002-2654-9873 jwharvey@usgs.gov","orcid":"https://orcid.org/0000-0002-2654-9873","contributorId":1796,"corporation":false,"usgs":true,"family":"Harvey","given":"Judson","email":"jwharvey@usgs.gov","middleInitial":"W.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"preferred":true,"id":424715,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Saiers, James E.","contributorId":191842,"corporation":false,"usgs":false,"family":"Saiers","given":"James","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":424716,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70182802,"text":"70182802 - 2007 - Accumulation of dechlorination daughter products: A valid metric of chloroethene biodegradation","interactions":[],"lastModifiedDate":"2018-10-17T10:53:52","indexId":"70182802","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3249,"text":"Remediation Journal","active":true,"publicationSubtype":{"id":10}},"title":"Accumulation of dechlorination daughter products: A valid metric of chloroethene biodegradation","docAbstract":"<p><span>In situ reductive dechlorination of perchloroethene (PCE) and trichloroethene (TCE) generates characteristic chlorinated (cis-dichloroethene [cis-DCE] and vinyl chloride [VC]) and nonchlorinated (ethene and ethane) products. The accumulation of these daughter products is commonly used as a metric for ongoing biodegradation at field sites. However, this interpretation assumes that reductive dechlorination is the only chloroethene degradation process of any significance in situ and that the characteristic daughter products of chloroethene reductive dechlorination persist in the environment. Laboratory microcosms, prepared with aquifer and surface-water sediments from hydrologically diverse sites throughout the United States and amended with [1,2-</span><sup>14</sup><span>C] TCE, [1,2-</span><sup>14</sup><span>C] DCE, [1,2-</span><sup>14</sup><span>C] DCA, or [1,2-</span><sup>14</sup><span>C] VC, demonstrated widely variable patterns of intermediate and final product accumulation. In predominantly methanogenic sediment treatments, accumulation of </span><sup>14</sup><span>C-DCE, </span><sup>14</sup><span>C-VC, </span><sup>14</sup><span>C-ethene, and </span><sup>14</sup><span>C-ethane predominated. Treatments characterized by significant Fe(III) and/or Mn(IV) reduction, on the other hand, demonstrated substantial, and in some cases exclusive, accumulation of </span><sup>14</sup><span>CO</span><sub>2</sub><span>and </span><sup>14</sup><span>CH</span><sub>4</sub><span>. These results suggest that relying on the accumulation of cis-DCE, VC, ethene, and ethane may substantially underestimate overall chloroethene biodegradation at many sites.</span></p>","language":"English","publisher":"Wiley ","doi":"10.1002/rem.20140","usgsCitation":"Bradley, P.M., and Chapelle, F.H., 2007, Accumulation of dechlorination daughter products: A valid metric of chloroethene biodegradation: Remediation Journal, v. 17, no. 4, p. 7-22, https://doi.org/10.1002/rem.20140.","productDescription":"16 p.","startPage":"7","endPage":"22","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":336355,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"17","issue":"4","noUsgsAuthors":false,"publicationDate":"2007-09-21","publicationStatus":"PW","scienceBaseUri":"58b69a43e4b01ccd54ff3fba","contributors":{"authors":[{"text":"Bradley, Paul M. 0000-0001-7522-8606 pbradley@usgs.gov","orcid":"https://orcid.org/0000-0001-7522-8606","contributorId":361,"corporation":false,"usgs":true,"family":"Bradley","given":"Paul","email":"pbradley@usgs.gov","middleInitial":"M.","affiliations":[{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true}],"preferred":true,"id":673803,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Chapelle, Frank H.","contributorId":53424,"corporation":false,"usgs":true,"family":"Chapelle","given":"Frank","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":673804,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70194942,"text":"70194942 - 2007 - Integrated ground-water monitoring strategy for NRC-licensed facilities and sites: Case study applications","interactions":[],"lastModifiedDate":"2020-01-26T10:58:50","indexId":"70194942","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesNumber":"NUREG/CR-6948, Vol. 2","title":"Integrated ground-water monitoring strategy for NRC-licensed facilities and sites: Case study applications","docAbstract":"<p>This document discusses results of applying the Integrated Ground-Water Monitoring Strategy (the Strategy) to actual waste sites using existing field characterization and monitoring data. The Strategy is a systematic approach to dealing with complex sites. Application of such a systematic approach will reduce uncertainty associated with site analysis, and therefore uncertainty associated with management decisions about a site. The Strategy can be used to guide the development of a ground-water monitoring program or to review an existing one. The sites selected for study fall within a wide range of geologic and climatic settings, waste compositions, and site design characteristics and represent realistic cases that might be encountered by the NRC. No one case study illustrates a comprehensive application of the Strategy using all available site data. Rather, within each case study we focus on certain aspects of the Strategy, to illustrate concepts that can be applied generically to all sites. The test sites selected include:</p><p><ul><li>Charleston, South Carolina, Naval Weapons Station,<br></li><li>Brookhaven National Laboratory on Long Island, New York,<br></li><li>The USGS Amargosa Desert Research Site in Nevada,<br></li><li>Rocky Flats in Colorado,<br></li><li>C-Area at the Savannah River Site in South Carolina, and<br></li><li>The Hanford 300 Area.<br></li></ul></p><p>A Data Analysis section provides examples of detailed data analysis of monitoring data.<br></p>","language":"English","publisher":"U.S. Nuclear Regulatory Commission","publisherLocation":"Washington, D.C.","usgsCitation":"Price, V., Temples, T., Hodges, R., Dai, Z., Watkins, D., and Imrich, J., 2007, Integrated ground-water monitoring strategy for NRC-licensed facilities and sites: Case study applications, 234 p.","productDescription":"234 p.","costCenters":[{"id":465,"text":"Nevada Water Science Center","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":350827,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":350826,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://www.nrc.gov/docs/ML0733/ML073320395.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a719272e4b0a9a2e9dbde3b","contributors":{"authors":[{"text":"Price, V.","contributorId":99715,"corporation":false,"usgs":false,"family":"Price","given":"V.","email":"","affiliations":[],"preferred":false,"id":726232,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Temples, T.","contributorId":194217,"corporation":false,"usgs":false,"family":"Temples","given":"T.","email":"","affiliations":[],"preferred":false,"id":726233,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hodges, R.","contributorId":60526,"corporation":false,"usgs":false,"family":"Hodges","given":"R.","email":"","affiliations":[],"preferred":false,"id":726234,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Dai, Z.","contributorId":30021,"corporation":false,"usgs":true,"family":"Dai","given":"Z.","email":"","affiliations":[],"preferred":false,"id":726235,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Watkins, D.","contributorId":187507,"corporation":false,"usgs":false,"family":"Watkins","given":"D.","email":"","affiliations":[],"preferred":false,"id":726236,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Imrich, J.","contributorId":82374,"corporation":false,"usgs":false,"family":"Imrich","given":"J.","email":"","affiliations":[],"preferred":false,"id":726238,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":80158,"text":"ofr20071052 - 2007 - Road impacts on the Baca National Wildlife Refuge, Colorado, with emphasis on effects to surface- and shallow ground-water hydrology - A literature review","interactions":[],"lastModifiedDate":"2017-12-19T19:26:10","indexId":"ofr20071052","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2007-1052","title":"Road impacts on the Baca National Wildlife Refuge, Colorado, with emphasis on effects to surface- and shallow ground-water hydrology - A literature review","docAbstract":"<p>A review of published research on unpaved road effects on surface-water and shallow ground-water hydrology was undertaken to assist the Baca National Wildlife Refuge, Colorado, in understanding factors potentially influencing refuge ecology. Few studies were found that addressed hydrological effects of roads on a comparable area of shallow slope in a semiarid region. No study dealt with road effects on surface- and ground-water supplies to ephemeral wetlands, which on the refuge are sustained by seasonal snowmelt in neighboring mountains. Road surfaces increase runoff, reduce infiltration, and serve as a sediment source. Roadbeds can interfere with normal surface- and ground-water flows and thereby influence the quantity, timing, and duration of water movement both across landscapes and through the soil. Hydrologic effects can be localized near the road as well as widespread and distant. The number, arrangement, and effectiveness of road-drainage structures (culverts and other devices) largely determine the level of hydrologic alteration produced by a road. Undesirable changes to natural hydrologic patterns can be minimized by considering potential impacts during road design, construction, and maintenance. Road removal as a means to restore desirable hydrologic conditions to landscapes adversely affected by roads has yet to be rigorously evaluated.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20071052","collaboration":"Prepared in cooperation with the U.S. Fish and Wildlife Service","usgsCitation":"Andersen, D., 2007, Road impacts on the Baca National Wildlife Refuge, Colorado, with emphasis on effects to surface- and shallow ground-water hydrology - A literature review: U.S. Geological Survey Open-File Report 2007-1052, v, 26 p., https://doi.org/10.3133/ofr20071052.","productDescription":"v, 26 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":192460,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr20071052.PNG"},{"id":320218,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2007/1052/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Colorado","otherGeospatial":"Baca National Wildlife Refuge","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b28e4b07f02db6b1614","contributors":{"authors":[{"text":"Andersen, Douglas C. doug_andersen@usgs.gov","contributorId":2216,"corporation":false,"usgs":true,"family":"Andersen","given":"Douglas C.","email":"doug_andersen@usgs.gov","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":false,"id":291874,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
]}