Williams and Shingobee lakes are at opposite ends of the local ground water flow system in the Shingobee River Headwaters Area (SRHA) in north‐central Minnesota. Williams Lake, situated near the highest point in the flow system, has no surface inlet or outlet, and ground water and precipitation are the only sources of water. Shingobee Lake, situated at the lowest point in the flow system, has the Shingobee River as an inlet and outlet. Ground water directly contributes an estimated one‐fourth of the water input to Shingobee Lake. The Shingobee River also receives large amounts of ground water discharge along its reach to Shingobee Lake providing a large, indirect source of ground water to the lake. Differences in nutrient concentrations reflect the residence times and nutrient supplies of these two lakes. The average phosphorus content of Shingobee Lake is about twice that of Williams Lake. Consequently, phy‐toplankton productivity in Shingobee Lake is much higher than in Williams Lake, leading to an oxygen‐deficient (<1 ppm dissolved oxygen) hypolimnion within a month after overturn in both the spring and fall. Because of the extreme reducing conditions in the hypolimnion of Shingobee Lake, high concentrations of dissolved iron and manganese are present there during summer stratification. In some years, the manganese concentration in the hypolimnion of Shingobee Lake remains high throughout the year. Precipitation of iron and manganese minerals, presumed to be X‐ray amorphous oxyhydroxides, at periods of fall and spring overturn result in concentrations of iron and manganese in surface sediments of Shingobee Lake that are seven times and 27 times higher, respectively, than can be explained by contributions of iron and manganese from detrital aluminosilicates. These findings indicate that the source and amounts of this excess iron and manganese found in the sediments are correlated to the amount of iron‐ and manganese‐rich ground water discharging to Shingobee Lake. Because iron and manganese oxyhydroxides are efficient adsorbers of phosphorus, concentrations of phosphorus are also high in the sediments of Shingobee Lake. Without this sequestration of phosphorus, the productivity of Shingobee Lake would probably be much higher.
","language":"English","publisher":"NGWA","doi":"10.1111/j.1745-6584.2003.tb02437.x","usgsCitation":"Dean, W.E., Neff, B., Rosenberry, D.O., Winter, T.C., and Parkhurst, R.S., 2006, The significance of ground water to the accumulation of iron and manganese in the sediments of two hydrologically distinct lakes in north‐central Minnesota: A geological perspective: Ground Water, v. 41, no. 7, p. 951-963, https://doi.org/10.1111/j.1745-6584.2003.tb02437.x.","productDescription":"13 p.","startPage":"951","endPage":"963","costCenters":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true},{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"links":[{"id":371062,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"North-central Minnestoa","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -95.9326171875,\n 49.03786794532644\n ],\n [\n -95.712890625,\n 46.66451741754235\n ],\n [\n -92.8125,\n 46.392411189814645\n ],\n [\n -89.56054687499999,\n 47.931066347509784\n ],\n [\n -90.94482421875,\n 48.29781249243716\n ],\n [\n -91.40625,\n 48.151428143221224\n ],\n [\n -92.21923828124999,\n 48.45835188280866\n ],\n [\n -93.2958984375,\n 48.73445537176822\n ],\n [\n -93.80126953124999,\n 48.63290858589535\n ],\n [\n -94.52636718749999,\n 48.777912755501845\n ],\n [\n -94.9658203125,\n 49.410973199695846\n ],\n [\n -95.185546875,\n 49.439556958940855\n ],\n [\n -95.20751953125,\n 49.023461463214126\n ],\n [\n -95.9326171875,\n 49.03786794532644\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"41","issue":"7","noUsgsAuthors":false,"publicationDate":"2006-03-24","publicationStatus":"PW","contributors":{"authors":[{"text":"Dean, Walter E. dean@usgs.gov","contributorId":1801,"corporation":false,"usgs":true,"family":"Dean","given":"Walter","email":"dean@usgs.gov","middleInitial":"E.","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":true,"id":779103,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Neff, Brian 0000-0003-3718-7350 bneff@usgs.gov","orcid":"https://orcid.org/0000-0003-3718-7350","contributorId":198885,"corporation":false,"usgs":true,"family":"Neff","given":"Brian","email":"bneff@usgs.gov","affiliations":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"preferred":true,"id":779104,"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":438,"text":"National Research Program - Western Branch","active":true,"usgs":true},{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"preferred":true,"id":779105,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Winter, Thomas C.","contributorId":84736,"corporation":false,"usgs":true,"family":"Winter","given":"Thomas","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":779106,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Parkhurst, Renee S. rparkhur@usgs.gov","contributorId":4719,"corporation":false,"usgs":true,"family":"Parkhurst","given":"Renee","email":"rparkhur@usgs.gov","middleInitial":"S.","affiliations":[],"preferred":true,"id":779107,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70207728,"text":"70207728 - 2006 - The geochemical record of the last 17,000 years in the Guaymas Basin, Gulf of California","interactions":[],"lastModifiedDate":"2020-06-15T17:14:03.912531","indexId":"70207728","displayToPublicDate":"2006-01-08T11:43:18","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1213,"text":"Chemical Geology","active":true,"publicationSubtype":{"id":10}},"title":"The geochemical record of the last 17,000 years in the Guaymas Basin, Gulf of California","docAbstract":"Sediments deposited on the western slope of the Guaymas Basin in the central Gulf of California are composed predominantly of detrital clastic material and biogenic silica (biopal), with minor organic material (average of 2.8% organic carbon) and calcium carbonate. The CaCO3 is derived from calcareous plankton and is highly variable ranging from 0% to 16%. In general, the CaCO3 content of the sediments varies inversely with the biopal content, reflecting the relative abundance of calcareous and siliceous plankton in the photic zone. Siliceous plankton dominate when winds are predominantly out of the northwest producing strong upwelling. Calcareous plankton indicates weak southeasterly winds that bring warm, tropical Pacific surface water into the Gulf. Based mainly on relative abundances of biopal and CaCO3, the sediments deposited over the last 17,000 years in the western Guaymas Basin can be divided into five intervals. In general, the sediments in the intervals with high biopal and low CaCO3 are laminated, but this is not always true. Unlike most other continental margins of the world with well-developed oxygen minimum zones where highest concentrations of organic carbon and redox-sensitive trace metals occur in laminated sediments, the laminated sediments on the anoxic slope of the western Guaymas Basin do not always have the highest concentrations of organic carbon and trace metals such as Mo and Cd.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.chemgeo.2006.02.017","usgsCitation":"Dean, W.E., 2006, The geochemical record of the last 17,000 years in the Guaymas Basin, Gulf of California: Chemical Geology, v. 232, no. 3-4, p. 87-98, https://doi.org/10.1016/j.chemgeo.2006.02.017.","productDescription":"12 p.","startPage":"87","endPage":"98","costCenters":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true},{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"links":[{"id":371056,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Mexico","otherGeospatial":"Guaymas Basin, Gulf of California","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -116.71874999999999,\n 21.94304553343818\n ],\n [\n -104.67773437499999,\n 21.94304553343818\n ],\n [\n -104.67773437499999,\n 32.24997445586331\n ],\n [\n -116.71874999999999,\n 32.24997445586331\n ],\n [\n -116.71874999999999,\n 21.94304553343818\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"232","issue":"3-4","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Dean, Walter E. dean@usgs.gov","contributorId":1801,"corporation":false,"usgs":true,"family":"Dean","given":"Walter","email":"dean@usgs.gov","middleInitial":"E.","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":true,"id":779095,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70207715,"text":"70207715 - 2006 - Geology of Delaware Water Gap National Recreation Area, New Jersey-Pennsylvania","interactions":[],"lastModifiedDate":"2020-06-15T15:26:01.917941","indexId":"70207715","displayToPublicDate":"2006-01-07T14:17:03","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1724,"text":"GSA Field Guides","active":true,"publicationSubtype":{"id":10}},"title":"Geology of Delaware Water Gap National Recreation Area, New Jersey-Pennsylvania","docAbstract":"Many of the parks within the National Park System owe their uniqueness to their geologic framework. Their scenery is the result of diverse natural processes acting upon a variety of rocks that were deposited in varied environments in the geologic past. The Delaware Water Gap National Recreation Area (DEWA) contains a rich geologic and cultural history within its 68,714 acre boundary. Following the border between New Jersey and Pennsylvania, the Delaware River has cut a magnificent gorge through Kit-tantinny Mountain, the Delaware Water Gap, to which all other gaps in the Appalachian Mountains have been compared. Proximity to many institutions of learning in this densely populated area of the northeastern United States (Fig. 1) makes DEWA an ideal locality to study the geology of this part of the Appalachian Mountains. This one-day field trip comprises two stops within the gap itself and will include discussion on stratigraphy, structure, geomorphology, and glacial geology. The first stop will be at the bottom of the gap in Pennsylvania to look at the magnificent exposures in the cleft on the New Jersey side. This will be followed by a traverse to the top of Mount Tammany along a popular trail, where we will compare the geology across the river in Pennsylvania. Much of the information presented in this guidebook is summarized from Epstein (2001a, 2001b, 2001c) and Epstein and Lyttle (2001).
","language":"English","publisher":"GSA","doi":"10.1130/2006.fld008(04)","usgsCitation":"Epstein, J.B., 2006, Geology of Delaware Water Gap National Recreation Area, New Jersey-Pennsylvania: GSA Field Guides, v. 8, p. 47-63, https://doi.org/10.1130/2006.fld008(04).","productDescription":"17 p.","startPage":"47","endPage":"63","costCenters":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true},{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"links":[{"id":371046,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"New Jersey, Pennsylvania","otherGeospatial":"Delaware Water Gap National Recreation Area","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -75.34423828125,\n 41.17038447781618\n ],\n [\n -74.542236328125,\n 41.17038447781618\n ],\n [\n -74.542236328125,\n 41.96765920367816\n ],\n [\n -75.34423828125,\n 41.96765920367816\n ],\n [\n -75.34423828125,\n 41.17038447781618\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"8","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Epstein, Jack B. jepstein@usgs.gov","contributorId":1412,"corporation":false,"usgs":true,"family":"Epstein","given":"Jack","email":"jepstein@usgs.gov","middleInitial":"B.","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true},{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"preferred":true,"id":779076,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70163007,"text":"70163007 - 2006 - North corridor Silurian-Devonian aquifer study frequently asked questions","interactions":[],"lastModifiedDate":"2016-01-29T15:46:27","indexId":"70163007","displayToPublicDate":"2006-01-01T16:45:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":359,"text":"Fact Sheet","active":false,"publicationSubtype":{"id":6}},"title":"North corridor Silurian-Devonian aquifer study frequently asked questions","docAbstract":"No abstract available.
","language":"English","publisher":"Iowa Water Science Center","publisherLocation":"Iowa City","doi":"10.3133/70163007","usgsCitation":"Iowa Water Science Center, 2006, North corridor Silurian-Devonian aquifer study frequently asked questions: Fact Sheet, HTML Document, https://doi.org/10.3133/70163007.","productDescription":"HTML Document","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[{"id":351,"text":"Iowa Water Science Center","active":true,"usgs":true}],"links":[{"id":315333,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":315325,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://ia.water.usgs.gov/projects/icproj/FAQ.html"}],"country":"United States","state":"Iowa","county":"Johnson","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-91.3677,41.8603],[-91.3673,41.7745],[-91.3675,41.6855],[-91.3671,41.5987],[-91.3679,41.5107],[-91.3687,41.4235],[-91.4839,41.4222],[-91.4843,41.4286],[-91.492,41.4405],[-91.5033,41.4493],[-91.5026,41.452],[-91.4989,41.4538],[-91.4988,41.4592],[-91.5145,41.4676],[-91.5156,41.4704],[-91.5136,41.4767],[-91.5038,41.4779],[-91.5029,41.4874],[-91.5039,41.4933],[-91.5076,41.4939],[-91.5107,41.4944],[-91.5112,41.4971],[-91.508,41.5016],[-91.5098,41.5034],[-91.5117,41.5016],[-91.5148,41.4985],[-91.5197,41.4981],[-91.5196,41.5027],[-91.5281,41.5078],[-91.528,41.511],[-91.5991,41.5107],[-91.7138,41.511],[-91.8291,41.5116],[-91.827,41.6001],[-91.8337,41.6006],[-91.8335,41.6865],[-91.8327,41.775],[-91.8318,41.8617],[-91.716,41.862],[-91.5989,41.8612],[-91.4836,41.8608],[-91.3677,41.8603]]]},\"properties\":{\"name\":\"Johnson\",\"state\":\"IA\"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56ac9b6be4b0403299f53a87"} ,{"id":70162941,"text":"70162941 - 2006 - Research plan and preliminary results: A field research site for emerging contaminants in Iowa","interactions":[],"lastModifiedDate":"2018-10-22T10:41:30","indexId":"70162941","displayToPublicDate":"2006-01-01T16:15:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2555,"text":"Journal of the Iowa Academy of Science","active":true,"publicationSubtype":{"id":10}},"title":"Research plan and preliminary results: A field research site for emerging contaminants in Iowa","docAbstract":"Research has recently documented the prevalence of a wide variety of pharmaceuticals and other emerging contaminants (ECs) in streams across the United States. Wastewater treatment plants (WWTPs) have been found to be an important source and collection point of ECs to streams as many ECs are incompletely removed during treatment. To investigate the complex in-stream processes (e.g., dilution, sorption, degradation, dispersion, etc.) that can affect ECs following their input from a WWTP and determining if such input is having an effect on the aquatic ecosystem requires the integration of multi-disciplinary efforts at a carefully selected field site. Preliminary work has identified an 8-km reach of Fourmile Creek in central Iowa as an ideal research site to investigate such important research questions pertaining to ECs. Unique aspects of Fourmile Creek included: (1) it single source effluent-dominated stream, (2) background data document the input of a wide variety of ECs from WWTP discharge, (3) small basin size, (4) relatively simple flow system, (5) background data suggest that undefined processes are taking place decreasing the level of select ECs during stream transport, (6) the WWTP uses a treatment technology (activated sludge) typical of many towns in Iowa and the United States (7) a hydrogeologic setting of a low-gradient, small stream (average discharge less than 1.41 m³/s) in glacial drift is typical of many areas in Iowa and across the Midwest, and (8) the existence of a low-head clam approximately 2 km upstream of the WWTP outfall allowing more accurate \"above WWTP\" and \"below WWTP\" comparisons in aquatic ecosystems. Furthermore, the WWTP is scheduled to close by 2011 providing a unique opportunity to determine how stream hydrology, water chemistry and aquatic biota react to the removal of the primary source of flow and ECs in this system. This will allow a novel \"before\" and \"after\" assessment not previously available in EC research. Research to date at the site has included installation of a streamflow gauging station, dye-tracing tests (to determine water travel times), Lagrangian water-quality sampling at two flow/water temperature regimes, and sampling for ECs in bed sediment. Selected fish have been collected for analysis and identification. In addition, basic fish community and fish health assessment for different seasons and spawning conditions are being analyzed. The research \"framework\" is unique at Fourmile Creek for investigating the important question of how ECs are transported through the environment and if the presence of such compounds is having a deleterious effect on aquatic ecosystems.
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entrainment?","interactions":[],"lastModifiedDate":"2018-10-16T16:11:19","indexId":"70200408","displayToPublicDate":"2006-01-01T16:11:11","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3914,"text":"Interagency Ecological Program Newsletter","active":true,"publicationSubtype":{"id":10}},"title":"Fulfilling a paradoxical mandate: can the Environmental Water Account ensure the reliability of freshwater exports from the Sacramento-San Joaquin Delta and simultaneously protect delta smelt (Hypomesus transpacificus) from excessive entrainment?","docAbstract":"The San Francisco Estuary (SFE) is often defined by its extremes. It is considered one of the most urbanized estuaries in the world (Conomos 1979, Nichols et al. 1986), and one of the most invaded estuaries in the United States, with hundreds of aquatic nonindigenous species established throughout the system (Cohen and Carlton 1995, Dill and Cordone 1997, Kimmerer and Orsi 1996). It is also one of the most managed estuaries, particularly in relation to freshwater inflow, water circulation, and water quality (Jassby and Powell 1994, CSWRCB 1995, Arthur et al. 1996, Kimmerer 2002). Despite this high level of disturbance, the SFE is one of the most valuable natural resources in the western United States (CALFED 2000). The SFE provides important habitat for numerous native plant and animal species, many of special concern, as well as several species with sport and commercial value (CALFED 2000). Conserving and restoring estuarine habitat and natural resources is a pressing and complex challenge for the responsible government agencies because human water needs continue to increase in concert with continuing urbanization of the watershed.
","language":"English","publisher":"Interagency Ecological Program for the San Francisco Estuary","usgsCitation":"Hymanson, Z., and Brown, L.R., 2006, Fulfilling a paradoxical mandate: can the Environmental Water Account ensure the reliability of freshwater exports from the Sacramento-San Joaquin Delta and simultaneously protect delta smelt (Hypomesus transpacificus) from excessive entrainment?: Interagency Ecological Program Newsletter, v. 19, no. 1, p. 28-49.","productDescription":"22 p.","startPage":"28","endPage":"49","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":358445,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":358444,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://water.ca.gov/-/media/DWR-Website/Web-Pages/Programs/Environmental-Services/Interagency-Ecological-Program/Files/Newsletters/IEP-Newsletter-2006-Vol19-Issue1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"volume":"19","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5c10e014e4b034bf6a7feedb","contributors":{"authors":[{"text":"Hymanson, Zach","contributorId":209753,"corporation":false,"usgs":false,"family":"Hymanson","given":"Zach","email":"","affiliations":[],"preferred":false,"id":748736,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brown, Larry R. 0000-0001-6702-4531 lrbrown@usgs.gov","orcid":"https://orcid.org/0000-0001-6702-4531","contributorId":1717,"corporation":false,"usgs":true,"family":"Brown","given":"Larry","email":"lrbrown@usgs.gov","middleInitial":"R.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":748737,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":79526,"text":"sir20065179 - 2006 - Watershed characteristics and pre-restoration surface-water hydrology of Minebank Run, Baltimore County, Maryland, water years 2002-04","interactions":[],"lastModifiedDate":"2023-03-09T20:41:47.458782","indexId":"sir20065179","displayToPublicDate":"2006-01-01T16:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-5179","displayTitle":"Watershed Characteristics and Pre-Restoration Surface-Water Hydrology of Minebank Run, Baltimore County, Maryland, Water Years 2002-04","title":"Watershed characteristics and pre-restoration surface-water hydrology of Minebank Run, Baltimore County, Maryland, water years 2002-04","docAbstract":"Stream restoration efforts have been ongoing in Maryland since the early 1990s. Physical stream restoration often involves replacement of lost sediments to elevate degraded streambeds, re-establishment of riffle-pool sequences along the channel profile, planting vegetation in riparian zones, and re-constructing channel banks, point bars, flood plains, and stream-meanders. The primary goal of many restoration efforts is to re-establish geomorphic stability of the stream channel and reduce erosive energy from urban runoff. Monitoring streams prior to and after restoration could help quantify other possible benefits of stream restoration, such as improved water quality and biota.\r\n\r\nThis report presents general watershed characteristics associated with the Minebank Run watershed; a small, urban watershed in the south-central section of Baltimore County, Maryland that was physically restored in phases during 1999, 2004, and 2005. The physiography, geology, hydrology, land use, soils, and pre-restoration geomorphic setting of the unrestored stream channel are discussed.\r\n\r\nThe report describes a reach of Minebank Run that was selected for the purpose of collecting several types of environmental data prior to restoration, including continuous-record and partial-record stage and streamflow data, precipitation, and ground-water levels. Examples of surface-water data that were collected in and near the study reach during water years 2002 through 2004, including continuous-record streamflow, partial-record stage and discharge, and precipitation, are described. These data were used in analyses of several characteristics of surface-water hydrology in the watershed, including (1) rainfall totals, storm duration, and intensity, (2) instantaneous peak discharge and daily mean discharge, (3) stage-discharge ratings, (4) hydraulic-geometry relations, (5) water-surface slope, (6) time of concentration, (7) flood frequency, (8) flood volume, and (9) rainfall-runoff relations.\r\n\r\nSeveral hydrologic characteristics that are typical of urban environments were quantified by these analyses. These include (1) large ratios of peak discharge to daily mean discharge as an indicator of flashiness, (2) consistent shifting of the stage-discharge rating over short periods of time that indicates instability of the stream channel, (3) analyses of hydraulic-geometry relations that indicate mean velocities of 11 feet per second or more while the flow is contained in the stream channel, (4) discharges that are 4 to 5 times larger in Minebank Run for corresponding flood frequency recurrence intervals than in Slade Run, which is a Piedmont watershed of similar size with smaller percentages of urban development, and (5) flood waves that can travel through the stream channel at a velocity of 412 feet per minute, or 6.9 feet per second.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/sir20065179","collaboration":"Prepared in cooperation with the U.S. Environmental Protection Agency","usgsCitation":"Doheny, E.J., Starsoneck, R.J., Striz, E.A., and Mayer, P.M., 2006, Watershed characteristics and pre-restoration surface-water hydrology of Minebank Run, Baltimore County, Maryland, water years 2002-04: U.S. Geological Survey Scientific Investigations Report 2006-5179, viii, 42 p., https://doi.org/10.3133/sir20065179.","productDescription":"viii, 42 p.","numberOfPages":"50","temporalStart":"2001-10-01","temporalEnd":"2004-09-30","costCenters":[{"id":41514,"text":"Maryland-Delaware-District of Columbia Water Science Center","active":true,"usgs":true}],"links":[{"id":194876,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":373106,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2006/5179/index.html"}],"country":"United 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\"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b00e4b07f02db69820f","contributors":{"authors":[{"text":"Doheny, Edward J. 0000-0002-6043-3241 ejdoheny@usgs.gov","orcid":"https://orcid.org/0000-0002-6043-3241","contributorId":4495,"corporation":false,"usgs":true,"family":"Doheny","given":"Edward","email":"ejdoheny@usgs.gov","middleInitial":"J.","affiliations":[{"id":374,"text":"Maryland Water Science Center","active":true,"usgs":true}],"preferred":false,"id":290148,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Starsoneck, Roger J.","contributorId":12104,"corporation":false,"usgs":true,"family":"Starsoneck","given":"Roger","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":290149,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Striz, Elise A.","contributorId":103747,"corporation":false,"usgs":true,"family":"Striz","given":"Elise","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":290151,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Mayer, Paul M.","contributorId":35821,"corporation":false,"usgs":true,"family":"Mayer","given":"Paul","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":290150,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70006994,"text":"70006994 - 2006 - Multimodeling: new approaches for linking ecological models","interactions":[],"lastModifiedDate":"2014-06-30T15:48:35","indexId":"70006994","displayToPublicDate":"2006-01-01T15:39:03","publicationYear":"2006","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Multimodeling: new approaches for linking ecological models","docAbstract":"The Everglades region of South Florida presents one of the major natural system management challenges facing the United States. With its assortment of alligators, crocodiles, manatees, panthers, large mixed flocks of wading birds, highly diverse subtropical flora, and sea of sawgrass, the ecosystem is unique in this country (Davis and Ogden 1994). The region is also perhaps the largest human-controlled system on the planet in that the major environmental factor influencing the region is water, and water flows are managed on a daily basis--subject to the vagaries of rainfall--by a massive system of locks, pumps, canals, and levees constructed over the past century. The changes brought about by such control have led to extensive modifications of historical patterns and magnitudes of flow, causing large declines in many native species, extensive changes in nutrient cycling and vegetation across south Florida, and great increases in pollutants such as mercury. Constrained by the conflicting demands of agriculture, urban human populations, and wildlife for control of water resources, and the varying agendas of hosts of government agencies and nongovernmental organizations, there is now an ongoing effort to plan for major changes to the system with expenditure estimates of eight billion dollars or more over the next several decades (USACOE 1999). Carrying out such planning, particularly as it impacts the natural systems of the region, provides one of the major challenges to the new field of computational ecology.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Predicting Species Occurences: Issues of Accuracy and Scale","largerWorkSubtype":{"id":4,"text":"Other Government Series"},"language":"English","publisher":"Island Press","publisherLocation":"Covello, CA","usgsCitation":"Gross, L.J., and DeAngelis, D., 2006, Multimodeling: new approaches for linking ecological models, chap. of Predicting Species Occurences: Issues of Accuracy and Scale, p. 467-474.","productDescription":"p. 467-474","numberOfPages":"8","costCenters":[{"id":275,"text":"Florida Integrated Science Center","active":false,"usgs":true}],"links":[{"id":289263,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Florida","otherGeospatial":"Everglades","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -81.393156,25.842687 ], [ -81.393156,25.873513 ], [ -81.379211,25.873513 ], [ -81.379211,25.842687 ], [ -81.393156,25.842687 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53b286f7e4b07b8813a554e6","contributors":{"editors":[{"text":"Scott, J. Michael","contributorId":98877,"corporation":false,"usgs":true,"family":"Scott","given":"J.","email":"","middleInitial":"Michael","affiliations":[],"preferred":false,"id":508422,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Heglund, Patricia J.","contributorId":51248,"corporation":false,"usgs":true,"family":"Heglund","given":"Patricia J.","affiliations":[],"preferred":false,"id":508421,"contributorType":{"id":2,"text":"Editors"},"rank":2},{"text":"Morrison, Michael L.","contributorId":111417,"corporation":false,"usgs":true,"family":"Morrison","given":"Michael L.","affiliations":[],"preferred":false,"id":508423,"contributorType":{"id":2,"text":"Editors"},"rank":3}],"authors":[{"text":"Gross, Louis J.","contributorId":56705,"corporation":false,"usgs":true,"family":"Gross","given":"Louis","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":355625,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"DeAngelis, Donald L. 0000-0002-1570-4057","orcid":"https://orcid.org/0000-0002-1570-4057","contributorId":88015,"corporation":false,"usgs":true,"family":"DeAngelis","given":"Donald L.","affiliations":[],"preferred":false,"id":355626,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70230101,"text":"ofr20061333 - 2006 - Quality-assurance plan for the analysis of fluvial sediment by the U.S. Geological Survey New Mexico Water Science Center Sediment Laboratory","interactions":[],"lastModifiedDate":"2022-04-05T19:33:28.256475","indexId":"ofr20061333","displayToPublicDate":"2006-01-01T15:33:06","publicationYear":"2006","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":"2006-1333","title":"Quality-assurance plan for the analysis of fluvial sediment by the U.S. Geological Survey New Mexico Water Science Center Sediment Laboratory","docAbstract":"This report describes laboratory procedures used by the U.S. Geological Survey New Mexico Water Science Center Sediment Laboratory for the processing and analysis of fluvial-sediment samples for concentration of sand and finer material. The report details the processing of a sediment sample through the laboratory from receiving the sediment sample, through the analytical process, to compiling results of the requested analysis. Procedures for preserving sample integrity, calibrating and maintaining of laboratory and field instruments and equipment used to analyze samples, internal quality assurance and quality control, and validity of the sediment-analysis results also are described. The report includes a list of references cited and a glossary of sediment and quality-assurance terms.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20061333","usgsCitation":"Stiles, J.A., 2006, Quality-assurance plan for the analysis of fluvial sediment by the U.S. Geological Survey New Mexico Water Science Center Sediment Laboratory: U.S. Geological Survey Open-File Report 2006-1333, v, 13 p., https://doi.org/10.3133/ofr20061333.","productDescription":"v, 13 p.","costCenters":[{"id":472,"text":"New Mexico Water Science Center","active":true,"usgs":true}],"links":[{"id":398142,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2006/1333/report-thumb.jpg"},{"id":398141,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2006/1333/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Stiles, Jessica A. jstiles@usgs.gov","contributorId":289724,"corporation":false,"usgs":true,"family":"Stiles","given":"Jessica","email":"jstiles@usgs.gov","middleInitial":"A.","affiliations":[{"id":472,"text":"New Mexico Water Science Center","active":true,"usgs":true}],"preferred":true,"id":839683,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70046921,"text":"70046921 - 2006 - Generalized boundaries of the National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 2001-2012","interactions":[],"lastModifiedDate":"2013-07-09T12:57:48","indexId":"70046921","displayToPublicDate":"2006-01-01T12:41:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"title":"Generalized boundaries of the National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 2001-2012","docAbstract":"This is a GENERALIZED version of the boundaries and codes used for the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program Study-Unit investigations in the conterminous United States, excluding the High Plains Regional Ground-Water Study. The data set represents the areas to be studied during the second decade of the NAWQA Program, from 2001-2012 (\"cycle 2\"). The coverage is intended only for drawing ILLUSTRATIONS, NOT for spatial analysis.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/70046921","usgsCitation":"Hitt, K., 2006, Generalized boundaries of the National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 2001-2012 (1.0), Dataset, https://doi.org/10.3133/70046921.","productDescription":"Dataset","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":274764,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":274763,"type":{"id":16,"text":"Metadata"},"url":"https://water.usgs.gov/GIS/metadata/usgswrd/XML/nawqagencyc2.xml"}],"country":"United States","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -127.849844,23.254474 ], [ -127.849844,51.553462 ], [ -65.379042,51.553462 ], [ -65.379042,23.254474 ], [ -127.849844,23.254474 ] ] ] } } ] }","edition":"1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"51dd30eae4b0f72b44719c7f","contributors":{"authors":[{"text":"Hitt, K.J.","contributorId":85985,"corporation":false,"usgs":true,"family":"Hitt","given":"K.J.","email":"","affiliations":[],"preferred":false,"id":480628,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70046920,"text":"70046920 - 2006 - Generalized boundaries of the National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 1991-2001","interactions":[],"lastModifiedDate":"2013-07-09T12:39:56","indexId":"70046920","displayToPublicDate":"2006-01-01T12:33:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"title":"Generalized boundaries of the National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 1991-2001","docAbstract":"This is a GENERALIZED version of the boundaries and codes used for the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program Study-Unit investigations in the conterminous United States, excluding the High Plains Regional Ground-Water Study. 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The sources of this coverage were the full resolution NAWQA study unit coverage, which is available at http://water.usgs.gov/lookup/getspatial?nawqacyc1 and the coastline from a 1:2 million county coverage generalized for display at the scale of 1:34 million.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/70046920","usgsCitation":"Hitt, K., 2006, Generalized boundaries of the National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 1991-2001, Dataset, https://doi.org/10.3133/70046920.","productDescription":"Dataset","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":274762,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":274761,"type":{"id":16,"text":"Metadata"},"url":"https://water.usgs.gov/GIS/metadata/usgswrd/XML/nawqagencyc1.xml"}],"country":"United States","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -127.849768,23.254474 ], [ -127.849768,51.553303 ], [ -65.379115,51.553303 ], [ -65.379115,23.254474 ], [ -127.849768,23.254474 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"51dd30eae4b0f72b44719c7b","contributors":{"authors":[{"text":"Hitt, K.J.","contributorId":85985,"corporation":false,"usgs":true,"family":"Hitt","given":"K.J.","email":"","affiliations":[],"preferred":false,"id":480627,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70046918,"text":"70046918 - 2006 - National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 2001-2012","interactions":[],"lastModifiedDate":"2013-07-09T12:02:54","indexId":"70046918","displayToPublicDate":"2006-01-01T11:56:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"title":"National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 2001-2012","docAbstract":"This is a coverage of the boundaries and codes used for the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program Study-Unit investigations in the conterminous United States, excluding the High Plains Regional Ground-Water Study. 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Previous studies of fish assemblages in the San Francisco Estuary and watershed have focused on specific habitat types, water bodies, or geographic subregions. In this study, we use seining data from two monitoring programs to provide an integrated view of spring nearshore resident fish species composition and life history characteristics in five regions: the San Joaquin River, the upper Sacramento River, the lower Sacramento River, the northern Sacramento-San Joaquin Delta (North Delta), and the Interior Delta. Data for the period March-May from 1994 to 2002, showed that spring species composition of the San Joaquin River was very different from the other four regions. Total catch in the San Joaquin River was dominated by small, short-lived batch spawning alien species (93%), particularly red shiner Cyprinella lutrensis (>75% of total catch). The upper and lower Sacramento River were very similar in species composition and life history characteristics and less dominated by alien fish (<45% of total catch). Ordination of species percentage abundances by non–metric multidimensional scaling confirmed that the major gradient was from assemblages dominated by native species to assemblages dominated by alien species. Two-way analysis of variance of ordination scores indicated that spatial variability was more important than annual variability in explaining patterns in species composition. The potential benefits of San Joaquin River native fish restoration appear high because there is so much potential for improvement; however, it is unclear how to best manipulate the system to achieve such restoration. Addressing such uncertainties is necessary if society desires the reservation and restoration of native biodiversity as human demands on water resources increase.
","language":"English","publisher":"California Bay-Delta Authority Science Program, Jon Muir Institute of the Environment","usgsCitation":"Brown, L.R., and May, J.T., 2006, Variation in spring nearshore resident fish species composition and life histories in the lower San Joaquin watershed and delta: San Francisco Estuary and Watershed Science, v. 4, no. 2, 15 p.","productDescription":"15 p.","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":357486,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":357485,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://escholarship.org/uc/item/09j597dn"}],"country":"United States","state":"California","otherGeospatial":"San Joaquin Watershed and Delta","volume":"4","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5c10e014e4b034bf6a7feedd","contributors":{"authors":[{"text":"Brown, Larry R. 0000-0001-6702-4531 lrbrown@usgs.gov","orcid":"https://orcid.org/0000-0001-6702-4531","contributorId":1717,"corporation":false,"usgs":true,"family":"Brown","given":"Larry","email":"lrbrown@usgs.gov","middleInitial":"R.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":745566,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"May, Jason T. 0000-0002-5699-2112 jasonmay@usgs.gov","orcid":"https://orcid.org/0000-0002-5699-2112","contributorId":617,"corporation":false,"usgs":true,"family":"May","given":"Jason","email":"jasonmay@usgs.gov","middleInitial":"T.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":false,"id":745567,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70199130,"text":"70199130 - 2006 - Heat as a ground water tracer at the Russian River RBF facility, Sonoma County, California","interactions":[],"lastModifiedDate":"2018-09-05T10:47:25","indexId":"70199130","displayToPublicDate":"2006-01-01T10:44:50","publicationYear":"2006","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Heat as a ground water tracer at the Russian River RBF facility, Sonoma County, California","docAbstract":"Temperature is routinely collected as a water quality parameter, but only recently utilized as an environmental tracer of stream exchanges with ground water (Stonestrom and Constantz, 2003). In this paper, water levels and seasonal temperatures were used to estimate streambed hydraulic conductivities and water fluxes. Temperatures and water levels were analyzed from 3 observation wells near the Russian River RBF facility, north of Forestville, Sonoma County, CA. In addition, 9 shallow piezometers were installed in 3 cross-sections across the stream near a pair of collector wells at the RBF facility. Hydraulic conductivities and fluxes were estimated by matching simulated ground-water temperatures to the observed ground-water temperatures with an inverse modeling approach. Using temperature measurements in the shallow piezometers from 0.1 to 1.0 m below the channel, estimates of infiltration indicated a distinct area of streambed clogging near one of the RBF collector wells. For the deeper observation wells, temperature probes were located at depths between 3.5 m to 7.1 m below the channel. Estimated conductivities varied over an order of magnitude, with anisotropies of 5 (horizontal to vertical hydraulic conductivity) generally providing the best fit to observed temperatures.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Riverbank filtration hydrology","language":"English","publisher":"Springer","doi":"10.1007/978-1-4020-3938-6_11","usgsCitation":"Constantz, J., Su, G.W., and Hatch, C., 2006, Heat as a ground water tracer at the Russian River RBF facility, Sonoma County, California, chap. of Riverbank filtration hydrology, p. 243-258, https://doi.org/10.1007/978-1-4020-3938-6_11.","productDescription":"16 p.","startPage":"243","endPage":"258","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":357084,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","county":"Sonoma","otherGeospatial":"Russian River","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5b98c453e4b0702d0e846141","contributors":{"authors":[{"text":"Constantz, Jim","contributorId":66338,"corporation":false,"usgs":true,"family":"Constantz","given":"Jim","affiliations":[],"preferred":false,"id":744266,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Su, Grace W.","contributorId":145734,"corporation":false,"usgs":false,"family":"Su","given":"Grace","email":"","middleInitial":"W.","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":744267,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hatch, Christine","contributorId":43035,"corporation":false,"usgs":true,"family":"Hatch","given":"Christine","affiliations":[],"preferred":false,"id":744268,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70242709,"text":"70242709 - 2006 - Geomorphological, depositional, and foraminiferal indicators of late Quaternary tectonic uplift in Iskenderun Bay, Turkey","interactions":[],"lastModifiedDate":"2023-04-13T15:48:26.968614","indexId":"70242709","displayToPublicDate":"2006-01-01T10:22:45","publicationYear":"2006","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Geomorphological, depositional, and foraminiferal indicators of late Quaternary tectonic uplift in Iskenderun Bay, Turkey","docAbstract":"Iskenderun Bay is a major shallow embayment in the eastern part of the Mediterranean Sea, where the African and Anatolian Plates converge. This tectonically active basin was investigated for oceanographic, sedimentological, geochemical, and foraminiferal parameters. On the basis of the data acquired, the distribution of living and fossil foraminifera in 284 grab and 54 gravity core samples was determined, the basin floor bathymetry of the bay constructed, radiocarbon ages of sediments and fossils ascertained, and depositional environments reconstructed. It has been discovered that for the last 13.5 k.y., water masses were stratified and sedimentation was discontinuous within the basin, which is characterized by irregular sea bottom morphology. The sedimentation rate was very slow, varying in time and space from 0 to 0.012 cm yr−1. The foraminiferal distributions were spatially varied and discontinuous and indicate a reversal from deep to shallow marine conditions in the cores. These irregularities were attributed to active tectonics in the bay and a major tectonic uplift of the bay since the late Pleistocene.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Postcollisional tectonics and magmatism in the Mediterranean region and Asia","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Geological Society of America","doi":"10.1130/2006.2409(27)","usgsCitation":"Yanko-Hombach, V., Koral, H., Avsar, N., Motnenko, I., and McGann, M., 2006, Geomorphological, depositional, and foraminiferal indicators of late Quaternary tectonic uplift in Iskenderun Bay, Turkey, chap. of Postcollisional tectonics and magmatism in the Mediterranean region and Asia, v. 409, p. 591-614, https://doi.org/10.1130/2006.2409(27).","productDescription":"24 p.","startPage":"591","endPage":"614","costCenters":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":415719,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Turkey","otherGeospatial":"Iskenderun Bay","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n 36.26597496685409,\n 37.0243965329219\n ],\n [\n 35.36353563899425,\n 37.0243965329219\n ],\n [\n 35.36353563899425,\n 36.224375964614055\n ],\n [\n 36.26597496685409,\n 36.224375964614055\n ],\n [\n 36.26597496685409,\n 37.0243965329219\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"409","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"editors":[{"text":"Dilek, Yilderim","contributorId":304146,"corporation":false,"usgs":false,"family":"Dilek","given":"Yilderim","email":"","affiliations":[],"preferred":false,"id":869436,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Pavlides, Spyros","contributorId":304147,"corporation":false,"usgs":false,"family":"Pavlides","given":"Spyros","email":"","affiliations":[],"preferred":false,"id":869437,"contributorType":{"id":2,"text":"Editors"},"rank":2}],"authors":[{"text":"Yanko-Hombach, Valentina","contributorId":304143,"corporation":false,"usgs":false,"family":"Yanko-Hombach","given":"Valentina","email":"","affiliations":[],"preferred":false,"id":869431,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Koral, H.","contributorId":70955,"corporation":false,"usgs":true,"family":"Koral","given":"H.","email":"","affiliations":[],"preferred":false,"id":869432,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Avsar, Niyazi","contributorId":304144,"corporation":false,"usgs":false,"family":"Avsar","given":"Niyazi","email":"","affiliations":[],"preferred":false,"id":869433,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Motnenko, Irena","contributorId":304145,"corporation":false,"usgs":false,"family":"Motnenko","given":"Irena","email":"","affiliations":[],"preferred":false,"id":869434,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"McGann, Mary 0000-0002-3057-2945 mmcgann@usgs.gov","orcid":"https://orcid.org/0000-0002-3057-2945","contributorId":169540,"corporation":false,"usgs":true,"family":"McGann","given":"Mary","email":"mmcgann@usgs.gov","affiliations":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":869435,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70121222,"text":"70121222 - 2006 - Possible deep-water gas hydrate accumulations in the Bering Sea","interactions":[],"lastModifiedDate":"2014-08-20T09:49:56","indexId":"70121222","displayToPublicDate":"2006-01-01T09:46:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1641,"text":"Fire in the Ice: NETL Methane Hydrate Newsletter","active":true,"publicationSubtype":{"id":10}},"title":"Possible deep-water gas hydrate accumulations in the Bering Sea","docAbstract":"Seismic reflection images from the deep-water Aleutian and Bowers Basins \nof the Bering Sea contain many hundreds of acoustic Velocity-AMPlitude \n(VAMP) anomalies, each of which may represent a large accumulation of \nnatural gas hydrate. Against a backdrop of essentially horizontal sedimentary \nreflections, the VAMP anomalies stand out as both high-amplitude bright \nspots and zones of vertically aligned horizon distortions. The VAMPs are \ninterpreted as natural gas chimneys overlain by concentrated hydrate caps.
","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Fire in the Ice","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"U.S. Department of Energy","usgsCitation":"Barth, G., Scholl, D.W., and Childs, J.R., 2006, Possible deep-water gas hydrate accumulations in the Bering Sea: Fire in the Ice: NETL Methane Hydrate Newsletter, v. 6, no. 3, p. 10-11.","productDescription":"2 p.","startPage":"10","endPage":"11","numberOfPages":"2","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true}],"links":[{"id":292609,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":292608,"type":{"id":15,"text":"Index Page"},"url":"https://www.netl.doe.gov/research/oil-and-gas/methane-hydrates/fire-in-the-ice"}],"otherGeospatial":"Bering Sea","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ 170.0,55.0 ], [ 170.0,60.0 ], [ -170.0,60.0 ], [ -170.0,55.0 ], [ 170.0,55.0 ] ] ] } } ] }","volume":"6","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53f5b658e4b09d12e0e8e706","contributors":{"authors":[{"text":"Barth, Ginger A.","contributorId":32248,"corporation":false,"usgs":true,"family":"Barth","given":"Ginger A.","affiliations":[],"preferred":false,"id":498821,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Scholl, David W. 0000-0001-6500-6962 dscholl@usgs.gov","orcid":"https://orcid.org/0000-0001-6500-6962","contributorId":3738,"corporation":false,"usgs":true,"family":"Scholl","given":"David","email":"dscholl@usgs.gov","middleInitial":"W.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true},{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true}],"preferred":true,"id":498820,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Childs, Jonathan R. jchilds@usgs.gov","contributorId":3155,"corporation":false,"usgs":true,"family":"Childs","given":"Jonathan","email":"jchilds@usgs.gov","middleInitial":"R.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":498819,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70242731,"text":"70242731 - 2006 - The San Andreas fault on the San Francisco peninsula","interactions":[],"lastModifiedDate":"2023-04-14T14:48:06.771434","indexId":"70242731","displayToPublicDate":"2006-01-01T09:42:04","publicationYear":"2006","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"The San Andreas fault on the San Francisco peninsula","docAbstract":"This field trip consists of stops in four locations that provide insight into the San Andreas fault along the San Francisco peninsula. The first two stops provide an overview and close-up look at the fault where no urbanization has occurred. The last two stops are examples of areas where urbanization occurred directly over the fault prior to current regulations. The field trip also addresses the history of, and seismic hazard issues related to, an important part of the San Francisco Public Utilities Commission's (SFPUC) water-supply system, which is located along the San Andreas fault.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"1906 San Francisco earthquake centennial field guides: Field trips associated with the 100th Anniversary Conference, 18–23 April 2006, San Francisco, California","largerWorkSubtype":{"id":12,"text":"Conference publication"},"language":"English","publisher":"Geological Society of America","doi":"10.1130/2006.1906SF(13)","usgsCitation":"Prentice, C.S., Bartow, G.W., Hall, N.T., and Liapes, M., 2006, The San Andreas fault on the San Francisco peninsula, chap. of 1906 San Francisco earthquake centennial field guides: Field trips associated with the 100th Anniversary Conference, 18–23 April 2006, San Francisco, California, v. 7, p. 177-192, https://doi.org/10.1130/2006.1906SF(13).","productDescription":"16 p.","startPage":"177","endPage":"192","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":415778,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"7","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"editors":[{"text":"Prentice, Carol S. 0000-0003-3732-3551 cprentice@usgs.gov","orcid":"https://orcid.org/0000-0003-3732-3551","contributorId":2676,"corporation":false,"usgs":true,"family":"Prentice","given":"Carol","email":"cprentice@usgs.gov","middleInitial":"S.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":869555,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Scotchmoor, Judith G.","contributorId":304052,"corporation":false,"usgs":false,"family":"Scotchmoor","given":"Judith","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":869556,"contributorType":{"id":2,"text":"Editors"},"rank":2},{"text":"Moores, Eldridge M.","contributorId":304053,"corporation":false,"usgs":false,"family":"Moores","given":"Eldridge","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":869557,"contributorType":{"id":2,"text":"Editors"},"rank":3},{"text":"Kiland, Jon P.","contributorId":304054,"corporation":false,"usgs":false,"family":"Kiland","given":"Jon","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":869558,"contributorType":{"id":2,"text":"Editors"},"rank":4}],"authors":[{"text":"Prentice, Carol S. 0000-0003-3732-3551 cprentice@usgs.gov","orcid":"https://orcid.org/0000-0003-3732-3551","contributorId":2676,"corporation":false,"usgs":true,"family":"Prentice","given":"Carol","email":"cprentice@usgs.gov","middleInitial":"S.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":869551,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bartow, Greg W.","contributorId":207917,"corporation":false,"usgs":false,"family":"Bartow","given":"Greg","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":869552,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hall, N. Timothy","contributorId":78014,"corporation":false,"usgs":true,"family":"Hall","given":"N.","email":"","middleInitial":"Timothy","affiliations":[],"preferred":false,"id":869553,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Liapes, Michele","contributorId":304173,"corporation":false,"usgs":false,"family":"Liapes","given":"Michele","email":"","affiliations":[],"preferred":false,"id":869554,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":5211410,"text":"5211410 - 2006 - Macroinvertebrate abundance, water chemistry, and wetland characteristics affect use of wetlands by avian species in Maine","interactions":[],"lastModifiedDate":"2016-12-09T13:31:40","indexId":"5211410","displayToPublicDate":"2006-01-01T09:23:20","publicationYear":"2006","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Macroinvertebrate abundance, water chemistry, and wetland characteristics affect use of wetlands by avian species in Maine","docAbstract":"Our objective was to determine use by avian species (e.g., piscivores, marsh birds, waterfowl, selected passerines) of 29 wetlands in areas with low (<200 ueq 1-1) acid-neutralizing capacity (ANC) in southeastern Maine. We documented bird, pair, and brood use during 1982?1984 and in 1982 we sampled 10 wetlands with a sweep net to collect invertebrates. We related mean numbers of invertebrates per wetland to water chemistry, basin characteristics, and avian use of different wetland types. Shallow, beaver (Castor canadensis)-created wetlands with the highest phosphorus levels and abundant and varied macrophyte assemblages supported greater densities of macroinvertebrates and numbers of duck broods (88.3% of all broods) in contrast to deep, glacial type wetlands with sparse vegetation and lower invertebrate densities that supported fewer broods (11.7%). Low pH may have affected some acid-intolerant invertebrate taxa (i.e., Ephemeroptera), but high mean numbers of Insecta per wetland were recorded from wetlands with a pH of 5.51. Other Classes and Orders of invertebrates were more abundant on wetlands with pH > 5.51. All years combined use of wetlands by broods was greater on wetlands with pH < 5.51 (77.4%) in contrast to wetlands with pH > 5.51 that supported 21.8% of the broods. High mean brood density was associated with mean number of Insecta per wetland. For lentic wetlands created by beaver, those habitats contained vegetative structure and nutrients necessary to provide cover to support invertebrate populations that are prey of omnivore and insectivore species. The fishless status of a few wetlands may have affected use by some waterfowl species and obligate piscivores.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Limnology and Waterbirds 2003. 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The 4th Conference of the Aquatic Birds Working Group of the Societas Internationalis Limnologiae (SIL), p. 104-104.","productDescription":"1 p.","startPage":"104","endPage":"104","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":201217,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a7fe4b07f02db6491aa","contributors":{"editors":[{"text":"Hanson, Alan","contributorId":113361,"corporation":false,"usgs":true,"family":"Hanson","given":"Alan","email":"","affiliations":[],"preferred":false,"id":508074,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Kerekes, Joseph","contributorId":113866,"corporation":false,"usgs":true,"family":"Kerekes","given":"Joseph","email":"","affiliations":[],"preferred":false,"id":508076,"contributorType":{"id":2,"text":"Editors"},"rank":2},{"text":"Paquet, Julie","contributorId":113406,"corporation":false,"usgs":true,"family":"Paquet","given":"Julie","email":"","affiliations":[],"preferred":false,"id":508075,"contributorType":{"id":2,"text":"Editors"},"rank":3}],"authors":[{"text":"Longcore, J. 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L.","affiliations":[],"preferred":false,"id":330964,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70199337,"text":"70199337 - 2006 - Groundwater modeling","interactions":[],"lastModifiedDate":"2018-09-14T08:24:09","indexId":"70199337","displayToPublicDate":"2006-01-01T08:22:16","publicationYear":"2006","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"chapter":"23","title":"Groundwater modeling","docAbstract":"No abstract available.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"The handbook of groundwater engineering","language":"English","publisher":"CRC","publisherLocation":"Boca Raton, FL","usgsCitation":"Konikow, L.F., Reilly, T.E., Barlow, P.M., and Voss, C.I., 2006, Groundwater modeling, chap. 23 of The handbook of groundwater engineering.","costCenters":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true},{"id":493,"text":"Office of Ground Water","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":357309,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5c10e014e4b034bf6a7feee1","contributors":{"editors":[{"text":"Delleur, J.W.","contributorId":189655,"corporation":false,"usgs":false,"family":"Delleur","given":"J.W.","email":"","affiliations":[],"preferred":false,"id":744971,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"Konikow, Leonard F. 0000-0002-0940-3856 lkonikow@usgs.gov","orcid":"https://orcid.org/0000-0002-0940-3856","contributorId":158,"corporation":false,"usgs":true,"family":"Konikow","given":"Leonard","email":"lkonikow@usgs.gov","middleInitial":"F.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"preferred":true,"id":744967,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reilly, Thomas E. tereilly@usgs.gov","contributorId":1660,"corporation":false,"usgs":true,"family":"Reilly","given":"Thomas","email":"tereilly@usgs.gov","middleInitial":"E.","affiliations":[{"id":493,"text":"Office of Ground Water","active":true,"usgs":true}],"preferred":true,"id":744968,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Barlow, Paul M. 0000-0003-4247-6456 pbarlow@usgs.gov","orcid":"https://orcid.org/0000-0003-4247-6456","contributorId":1200,"corporation":false,"usgs":true,"family":"Barlow","given":"Paul","email":"pbarlow@usgs.gov","middleInitial":"M.","affiliations":[{"id":493,"text":"Office of Ground Water","active":true,"usgs":true}],"preferred":true,"id":744969,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"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":744970,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70198588,"text":"70198588 - 2006 - Attention of arsenic in Bangladesh sediments: Implications for ground-water development","interactions":[],"lastModifiedDate":"2018-08-13T10:16:42","indexId":"70198588","displayToPublicDate":"2006-01-01T07:31:45","publicationYear":"2006","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Attention of arsenic in Bangladesh sediments: Implications for ground-water development","docAbstract":"No abstract available.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Managing arsenic in the environment: From soil to human health","language":"English","publisher":"CSIRO","publisherLocation":"Australia","isbn":"0643068686","usgsCitation":"Welch, A., Stollenwerk, K.G., Breit, G.N., Foster, A., Yount, J.C., Whitney, J., Uddin, M., and Alam, A., 2006, Attention of arsenic in Bangladesh sediments: Implications for ground-water development, chap. of Managing arsenic in the environment: From soil to human health, p. 363-377.","productDescription":"15 p.","startPage":"363","endPage":"377","costCenters":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":356362,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Bangladesh ","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n 87.6708984375,\n 21.08450008351735\n ],\n [\n 92.4169921875,\n 21.08450008351735\n ],\n [\n 92.4169921875,\n 26.745610382199022\n ],\n [\n 87.6708984375,\n 26.745610382199022\n ],\n [\n 87.6708984375,\n 21.08450008351735\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5b98c454e4b0702d0e846159","contributors":{"authors":[{"text":"Welch, A. 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C.","contributorId":69553,"corporation":false,"usgs":true,"family":"Yount","given":"J.","middleInitial":"C.","affiliations":[],"preferred":false,"id":742069,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Whitney, J.W.","contributorId":27437,"corporation":false,"usgs":true,"family":"Whitney","given":"J.W.","email":"","affiliations":[],"preferred":false,"id":742070,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Uddin, M.N.","contributorId":105979,"corporation":false,"usgs":true,"family":"Uddin","given":"M.N.","email":"","affiliations":[],"preferred":false,"id":742071,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Alam, A.M.","contributorId":46975,"corporation":false,"usgs":true,"family":"Alam","given":"A.M.","email":"","affiliations":[],"preferred":false,"id":742072,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ,{"id":85885,"text":"85885 - 2006 - Estimating Potential Effects of Hypothetical Oil Spills on Polar Bears","interactions":[],"lastModifiedDate":"2018-05-09T19:26:34","indexId":"85885","displayToPublicDate":"2006-01-01T01:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"title":"Estimating Potential Effects of Hypothetical Oil Spills on Polar Bears","docAbstract":"Much is known about the transport and fate of oil spilled into the sea and its toxicity to exposed wildlife. Previously, however, there has been no way to quantify the probability that wildlife dispersed over the seascape would be exposed to spilled oil. Polar bears, the apical predator of the arctic, are widely dispersed near the continental shelves of the Arctic Ocean, an area also undergoing considerable hydrocarbon exploration and development. We used 15,308 satellite locations from 194 radiocollared polar bears to estimate the probability that polar bears could be exposed to hypothetical oil spills. We used a true 2 dimensional Gausian kernel density estimator, to estimate the number of bears likely to occur in each 1.00 km2 cell of a grid superimposed over near shore areas surrounding 2 oil production facilities: the existing Northstar oil production facility, and the proposed offshore site for the Liberty production facility. We estimated the standard errors of bear numbers per cell with bootstrapping. Simulated oil spill footprints for September and October, the times during which we hypothesized effects of an oil-spill would be worst, were estimated using real wind and current data collected between 1980 and 1996. We used ARC/Info software to calculate overlap (numbers of bears oiled) between simulated oil-spill footprints and polar bear grid-cell values. Numbers of bears potentially oiled by a hypothetical 5912 barrel spill (the largest spill thought probable from a pipeline breach) ranged from 0 to 27 polar bears for September open water conditions, and from 0 to 74 polar bears in October mixed ice conditions. Median numbers oiled by the 5912 barrel hypothetical spill from the Liberty simulation in September and October were 1 and 3 bears, equivalent values for the Northstar simulation were 3 and 11 bears. In October, 75% of trajectories from the 5912 barrel simulated spill at Liberty oiled 9 or fewer bears while 75% of the trajectories affected 20 or fewer polar bears when we simulated an October spill at the Northstar site. Northstar Island is nearer the active ice flaw zone than Liberty. Simulations suggested that oil spilled at Northstar would spread more effectively and more consistently into surrounding areas. Also, polar bear densities are consistently higher near Northstar. Oil spills simulated for the Liberty site were more erratic in the areas they covered and the numbers of bears impacted, and numbers of bears hypothetically exposed were usually smaller. Methods described here are broadly applicable to other dispersed marine wildlife. Key words: Arctic, Beaufort Sea, clustering, kernel, management, oil spill, polar bears, population delineation, radiotelemetry, satellite, smoothing, Ursus maritimus
","language":"English","publisher":"U.S. Geological Survey, Alaska Science Center","doi":"10.3133/85885","usgsCitation":"Amstrup, S.C., Durner, G.M., McDonald, T.L., and Johnson, W., 2006, Estimating Potential Effects of Hypothetical Oil Spills on Polar Bears, https://doi.org/10.3133/85885.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"links":[{"id":127815,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":91990,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://www.polarbearsinternational.org/sites/default/files/scientists/amstrup_et_al_mms_oil_spill_2006.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae0e4b07f02db688276","contributors":{"authors":[{"text":"Amstrup, Steven C.","contributorId":67034,"corporation":false,"usgs":false,"family":"Amstrup","given":"Steven","email":"","middleInitial":"C.","affiliations":[{"id":13182,"text":"Polar Bears International","active":true,"usgs":false}],"preferred":false,"id":296663,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Durner, George M. 0000-0002-3370-1191 gdurner@usgs.gov","orcid":"https://orcid.org/0000-0002-3370-1191","contributorId":3576,"corporation":false,"usgs":true,"family":"Durner","given":"George","email":"gdurner@usgs.gov","middleInitial":"M.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":296662,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McDonald, T. L.","contributorId":101211,"corporation":false,"usgs":false,"family":"McDonald","given":"T.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":296665,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Johnson, W.R.","contributorId":100316,"corporation":false,"usgs":true,"family":"Johnson","given":"W.R.","email":"","affiliations":[],"preferred":false,"id":296664,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70028632,"text":"70028632 - 2006 - Methods for pore water extraction from unsaturated zone tuff, Yucca Mountain, Nevada","interactions":[],"lastModifiedDate":"2012-03-12T17:21:00","indexId":"70028632","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Methods for pore water extraction from unsaturated zone tuff, Yucca Mountain, Nevada","docAbstract":"Assessing the performance of the proposed high-level radioactive waste repository at Yucca Mountain, Nevada, requires an understanding of the chemistry of the water that moves through the host rock. The uniaxial compression method used to extract pore water from samples of tuffaceous borehole core was successful only for nonwelded tuff. An ultracentrifugation method was adopted to extract pore water from samples of the densely welded tuff of the proposed repository horizon. Tests were performed using both methods to determine the efficiency of pore water extraction and the potential effects on pore water chemistry. Test results indicate that uniaxial compression is most efficient for extracting pore water from nonwelded tuff, while ultracentrifugation is more successful in extracting pore water from densely welded tuff. Pore water splits collected from a single nonwelded tuff core during uniaxial compression tests have shown changes in pore water chemistry with increasing pressure for calcium, chloride, sulfate, and nitrate. Pore water samples collected from the intermediate pressure ranges should prevent the influence of re-dissolved, evaporative salts and the addition of ion-deficient water from clays and zeolites. Chemistry of pore water splits from welded and nonwelded tuffs using ultracentrifugation indicates that there is no substantial fractionation of solutes.","largerWorkTitle":"Proceedings of the 11th International High Level Radioactive Waste Management Conference, IHLRWM","conferenceTitle":"11th International High Level Radioactive Waste Management Conference","conferenceDate":"30 April 2006 through 4 May 2006","conferenceLocation":"Las Vegas, NV","language":"English","isbn":"0894486918; 9780894486913","usgsCitation":"Scofield, K., 2006, Methods for pore water extraction from unsaturated zone tuff, Yucca Mountain, Nevada, in Proceedings of the 11th International High Level Radioactive Waste Management Conference, IHLRWM, v. 2006, Las Vegas, NV, 30 April 2006 through 4 May 2006, p. 127-135.","startPage":"127","endPage":"135","numberOfPages":"9","costCenters":[],"links":[{"id":236396,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"2006","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a55c7e4b0c8380cd6d2a2","contributors":{"authors":[{"text":"Scofield, K.M.","contributorId":51069,"corporation":false,"usgs":true,"family":"Scofield","given":"K.M.","email":"","affiliations":[],"preferred":false,"id":418943,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70028889,"text":"70028889 - 2006 - Fate of fish production in a seasonally flooded saltmarsh","interactions":[],"lastModifiedDate":"2012-03-12T17:20:57","indexId":"70028889","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2663,"text":"Marine Ecology Progress Series","active":true,"publicationSubtype":{"id":10}},"title":"Fate of fish production in a seasonally flooded saltmarsh","docAbstract":"Although saltmarshes are thought to enhance the productivity of open estuarine waters, the mechanism by which energy transfer occurs has been debated for decades. One possible mechanism is the transfer of saltmarsh production to estuarine waters by vagile fishes and invertebrates. Monthly estimates of fish standing stock, net fish ingress, and predation were used to develop a biomass budget to estimate annual production of fishes and the relative yield to predatory fish, birds, and direct migration to the estuary. Annual production of saltmarsh fishes was estimated to be 31.0 g m-2 saltmarsh, which falls within the range of previously reported values for estuarine fish communities. The relative yields were 12 to 20% to piscivorous fishes, 8 to 13% to piscivorous birds, and 18 to 29% to export. Annual export of fish biomass was 5.6 g fish m-2 saltmarsh, representing about 1 to 2% of saltmarsh primary production. Saltmarsh fishes convert marsh production to high-quality vagile biomass (fishes concentrate energy, protein, and nutrients as body mass) and move this readily useable production to the estuary, providing an efficient link between saltmarshes and estuarine predators. ?? Inter-Research 2006.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Marine Ecology Progress Series","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.3354/meps327267","issn":"01718630","usgsCitation":"Stevens, P.W., Montague, C., and Sulak, K., 2006, Fate of fish production in a seasonally flooded saltmarsh: Marine Ecology Progress Series, v. 327, p. 267-277, https://doi.org/10.3354/meps327267.","startPage":"267","endPage":"277","numberOfPages":"11","costCenters":[],"links":[{"id":477414,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3354/meps327267","text":"Publisher Index Page"},{"id":209776,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.3354/meps327267"},{"id":236485,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"327","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0f11e4b0c8380cd53745","contributors":{"authors":[{"text":"Stevens, Philip W.","contributorId":36092,"corporation":false,"usgs":true,"family":"Stevens","given":"Philip","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":420227,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Montague, C.L.","contributorId":22130,"corporation":false,"usgs":true,"family":"Montague","given":"C.L.","email":"","affiliations":[],"preferred":false,"id":420226,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sulak, K. 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J.","affiliations":[],"preferred":false,"id":420228,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70028636,"text":"70028636 - 2006 - Occurrence and fate of organic contaminants during onsite wastewater treatment","interactions":[],"lastModifiedDate":"2018-10-26T08:48:33","indexId":"70028636","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1565,"text":"Environmental Science & Technology","onlineIssn":"1520-5851","printIssn":"0013-936X","active":true,"publicationSubtype":{"id":10}},"title":"Occurrence and fate of organic contaminants during onsite wastewater treatment","docAbstract":"Onsite wastewater treatment systems serve approximately 25% of the U.S. population. However, little is known regarding the occurrence and fate of organic wastewater contaminants (OWCs), including endocrine disrupting compounds, during onsite treatment. A range of OWCs including surfactant metabolites, steroids, stimulants, metal-chelating agents, disinfectants, antimicrobial agents, and pharmaceutical compounds was quantified in wastewater from 30 onsite treatment systems in Summit and Jefferson Counties, CO. The onsite systems represent a range of residential and nonresidential sources. Eighty eight percent of the 24 target compounds were detected in one or more samples, and several compounds were detected in every wastewater sampled. The wastewater matrices were complex and showed unique differences between source types due to differences in water and consumer product use. Nonresidential sources generally had more OWCs at higher concentrations than residential sources. Additional aerobic biofilter-based treatment beyond the traditional anaerobic tank-based treatment enhanced removal for many OWCs. Removal mechanisms included volatilization, biotransformation, and sorption with efficiencies from <1% to >99% depending on treatment type and physico chemical properties of the compound. Even with high removal rates during confined unit onsite treatment, OWCs are discharged to soil dispersal units at loadings up to 20 mg/m2/d, emphasizing the importance of understanding removal mechanisms and efficiencies in onsite treatment systems that discharge to the soil and water environments.