Hydraulic tests and geophysical logging performed in the Palisades sill and the underlying sedimentary rocks in the NE part of the Newark Rift Basin, New York, USA, confirm that the particular transmissive zones are localized within the dolerite-sedimentary rock contact zone and within a narrow interval below this contact zone that is characterized by the occurrence of small layers of chilled dolerite. Transmissivity values determined from fluid injection, aquifer testing, and flowmeter measurements generally fall in the range of 8.1E-08 to 9.95E-06 m2/s and correspond to various scales of investigation. The analysis of acoustic and optical BHTV images reveals two primary fracture sets within the dolerite and the sedimentary rocks—subhorizontal fractures, intersected by subvertical ones. Despite being highly fractured either with subhorizontal, subvertical or both fracture populations, the dolerite above and the sedimentary rocks below the contact zone and the zone with the layers of chilled dolerite are significantly less conductive. The distribution of the particular conductive intervals is not a function of the two dominant fracture populations or their density but rather of the intrusion path of the sill. The intrusion caused thermal fracturing and cracking of both formations, resulting in higher permeability along the contact zone.
Sixty common murre (Uria aalge) and 27 thick-billed murre (Uria lomvia) eggs collected by the Seabird Tissue Archival and Monitoring Project (STAMP) in 1999−2001 from two Gulf of Alaska and three Bering Sea nesting colonies were analyzed for total mercury (Hg) using isotope dilution cold vapor inductively coupled mass spectrometry. Hg concentrations (wet mass) ranged from 0.011 μg/g to 0.357 μg/g (relative standard deviation = 76%), while conspecifics from the same colonies and years had an average relative standard deviation of 33%. Hg levels in eggs from the Gulf of Alaska (0.166 μg/g ± 0.011 μg/g) were significantly higher (p < 0.0001) than in the Bering Sea (0.047 μg/g ± 0.004 μg/g). Within the Bering Sea, Hg was significantly higher (p = 0.0007) in eggs from Little Diomede Island near the arctic than at the two more southern colonies. Although thick-billed and common murres are ecologically similar, there were significant species differences in egg Hg concentrations within each region (p < 0.0001). In the Bering Sea, eggs from thick-billed murres had higher Hg concentrations than eggs from common murres, while in the Gulf of Alaska, common murre eggs had higher concentrations than those of thick-billed murres. A separate one-way analysis of variance on the only time−trend data currently available for a colony (St. Lazaria Island in the Gulf of Alaska) found significantly lower Hg concentrations in common murre eggs collected in 2001 compared to 1999 (p = 0.017). Results from this study indicate that murre eggs may be effective monitoring units for detecting geographic, species, and temporal patterns of Hg contamination in marine food webs. The relatively small intracolony variation in egg Hg levels and the ability to consistently obtain adequate sample sizes both within and among colonies over a large geographic range means that monitoring efforts using murre eggs will have suitable statistical power for detecting environmental patterns of Hg contamination. The potential influences of trophic effects, physical transport patterns, and biogeochemical processes on these monitoring efforts are discussed, and future plans to investigate the sources of the observed variability are presented.
","language":"English","publisher":"ACS Publications","doi":"10.1021/es051064i","issn":"0013936X","usgsCitation":"Day, R.D., Vander Pol, S.S., Christopher, S.J., Davis, W., Pugh, R.S., Simac, K.S., Roseneau, D.G., and Becker, P., 2006, Murre eggs (Uria aalge and Uria lomvia) as indicators of mercury contamination in the Alaskan marine environment: Environmental Science & Technology, v. 40, no. 3, p. 659-665, https://doi.org/10.1021/es051064i.","productDescription":"7 p.","startPage":"659","endPage":"665","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"links":[{"id":238527,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"40","issue":"3","noUsgsAuthors":false,"publicationDate":"2005-12-22","publicationStatus":"PW","scienceBaseUri":"505a60d7e4b0c8380cd716e0","contributors":{"authors":[{"text":"Day, Russel D.","contributorId":89418,"corporation":false,"usgs":false,"family":"Day","given":"Russel","email":"","middleInitial":"D.","affiliations":[{"id":25356,"text":"National Institute of Standards and Technology","active":true,"usgs":false}],"preferred":false,"id":428950,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Vander Pol, Stacy S.","contributorId":38776,"corporation":false,"usgs":false,"family":"Vander Pol","given":"Stacy","email":"","middleInitial":"S.","affiliations":[{"id":25356,"text":"National Institute of Standards and Technology","active":true,"usgs":false}],"preferred":false,"id":428947,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Christopher, Steven J.","contributorId":85473,"corporation":false,"usgs":false,"family":"Christopher","given":"Steven","email":"","middleInitial":"J.","affiliations":[{"id":25356,"text":"National Institute of Standards and Technology","active":true,"usgs":false}],"preferred":false,"id":428949,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Davis, W.C.","contributorId":6339,"corporation":false,"usgs":true,"family":"Davis","given":"W.C.","email":"","affiliations":[],"preferred":false,"id":428944,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Pugh, Rebecca S.","contributorId":11826,"corporation":false,"usgs":false,"family":"Pugh","given":"Rebecca","email":"","middleInitial":"S.","affiliations":[{"id":25356,"text":"National Institute of Standards and Technology","active":true,"usgs":false}],"preferred":false,"id":428945,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Simac, Kristin S. 0000-0002-4072-1940 ksimac@usgs.gov","orcid":"https://orcid.org/0000-0002-4072-1940","contributorId":131096,"corporation":false,"usgs":true,"family":"Simac","given":"Kristin","email":"ksimac@usgs.gov","middleInitial":"S.","affiliations":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":428946,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Roseneau, David G.","contributorId":73394,"corporation":false,"usgs":false,"family":"Roseneau","given":"David","email":"","middleInitial":"G.","affiliations":[{"id":6987,"text":"U.S. Fish and Wildlife Sevice","active":true,"usgs":false}],"preferred":false,"id":428948,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Becker, P.R.","contributorId":101035,"corporation":false,"usgs":true,"family":"Becker","given":"P.R.","email":"","affiliations":[],"preferred":false,"id":428951,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ,{"id":70030909,"text":"70030909 - 2006 - Comparison of COSPEC and two miniature ultraviolet spectrometer systems for SO2 measurements using scattered sunlight","interactions":[],"lastModifiedDate":"2019-04-08T08:47:40","indexId":"70030909","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1109,"text":"Bulletin of Volcanology","active":true,"publicationSubtype":{"id":10}},"title":"Comparison of COSPEC and two miniature ultraviolet spectrometer systems for SO2 measurements using scattered sunlight","docAbstract":"The correlation spectrometer (COSPEC), the principal tool for remote measurements of volcanic SO2, is rapidly being replaced by low-cost, miniature, ultraviolet (UV) spectrometers. We compared two of these new systems with a COSPEC by measuring SO2 column amounts at Kīlauea Volcano, Hawaii. The two systems, one calibrated using in-situ SO2 cells, and the other using a calibrated laboratory reference spectrum, employ similar spectrometer hardware, but different foreoptics and spectral retrieval algorithms. Accuracy, signal-to-noise, retrieval parameters, and precision were investigated for the two configurations of new miniature spectrometer. Measurements included traverses beneath the plumes from the summit and east rift zone of Kīlauea, and testing with calibration cells of known SO2 concentration. The results obtained from the different methods were consistent with each other, with <8% difference in estimated SO2 column amounts up to 800 ppm m. A further comparison between the COSPEC and one of the miniature spectrometer configurations, the ‘FLYSPEC’, spans an eight month period and showed agreement of measured emission rates to within 10% for SO2 column amounts up to 1,600 ppm m. The topic of measuring high SO2 burdens accurately is addressed for the Kīlauea measurements. In comparing the foreoptics, retrieval methods, and resultant implications for data quality, we aim to consolidate the various experiences to date, and improve the application and development of miniature spectrometer systems.`
","language":"English","publisher":"Springer International","doi":"10.1007/s00445-005-0026-5","issn":"02588900","usgsCitation":"Elias, T., Sutton, A.J., Oppenheimer, C., Horton, K.A., Garbeil, H., Tsanev, V., McGonigle, A.J., and Williams-Jones, G., 2006, Comparison of COSPEC and two miniature ultraviolet spectrometer systems for SO2 measurements using scattered sunlight: Bulletin of Volcanology, v. 68, no. 4, p. 313-322, https://doi.org/10.1007/s00445-005-0026-5.","productDescription":"10 p.","startPage":"313","endPage":"322","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":615,"text":"Volcano Hazards Program","active":true,"usgs":true}],"links":[{"id":238864,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"68","issue":"4","noUsgsAuthors":false,"publicationDate":"2006-01-04","publicationStatus":"PW","scienceBaseUri":"5059f840e4b0c8380cd4cf90","contributors":{"authors":[{"text":"Elias, Tamar 0000-0002-9592-4518 telias@usgs.gov","orcid":"https://orcid.org/0000-0002-9592-4518","contributorId":3916,"corporation":false,"usgs":true,"family":"Elias","given":"Tamar","email":"telias@usgs.gov","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":429179,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sutton, A. Jeff","contributorId":45605,"corporation":false,"usgs":true,"family":"Sutton","given":"A.","email":"","middleInitial":"Jeff","affiliations":[],"preferred":false,"id":429173,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Oppenheimer, Clive","contributorId":174445,"corporation":false,"usgs":false,"family":"Oppenheimer","given":"Clive","email":"","affiliations":[{"id":27136,"text":"University of Cambridge","active":true,"usgs":false}],"preferred":false,"id":429178,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Horton, Keith A.","contributorId":174446,"corporation":false,"usgs":false,"family":"Horton","given":"Keith","email":"","middleInitial":"A.","affiliations":[{"id":17202,"text":"University of Hawaii, Manoa","active":true,"usgs":false}],"preferred":false,"id":429176,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Garbeil, Harold","contributorId":174447,"corporation":false,"usgs":false,"family":"Garbeil","given":"Harold","email":"","affiliations":[{"id":17202,"text":"University of Hawaii, Manoa","active":true,"usgs":false}],"preferred":false,"id":429180,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Tsanev, Vitchko","contributorId":174448,"corporation":false,"usgs":false,"family":"Tsanev","given":"Vitchko","email":"","affiliations":[{"id":27136,"text":"University of Cambridge","active":true,"usgs":false}],"preferred":false,"id":429175,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"McGonigle, Andrew J.S.","contributorId":174449,"corporation":false,"usgs":false,"family":"McGonigle","given":"Andrew","email":"","middleInitial":"J.S.","affiliations":[{"id":25646,"text":"Uni. of Sheffield","active":true,"usgs":false}],"preferred":false,"id":429177,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Williams-Jones, Glyn","contributorId":147765,"corporation":false,"usgs":false,"family":"Williams-Jones","given":"Glyn","email":"","affiliations":[{"id":16928,"text":"Department of Earth Sciences, Simon Fraser University, Canada","active":true,"usgs":false}],"preferred":false,"id":429174,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ,{"id":70030935,"text":"70030935 - 2006 - In situ study of mass transfer in aqueous solutions under high pressures via Raman spectroscopy: A new method for the determination of diffusion coefficients of methane in water near hydrate formation conditions","interactions":[],"lastModifiedDate":"2012-03-12T17:21:15","indexId":"70030935","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":847,"text":"Applied Spectroscopy","active":true,"publicationSubtype":{"id":10}},"title":"In situ study of mass transfer in aqueous solutions under high pressures via Raman spectroscopy: A new method for the determination of diffusion coefficients of methane in water near hydrate formation conditions","docAbstract":"A new method was developed for in situ study of the diffusive transfer of methane in aqueous solution under high pressures near hydrate formation conditions within an optical capillary cell. Time-dependent Raman spectra of the solution at several different spots along the one-dimensional diffusion path were collected and thus the varying composition profile of the solution was monitored. Diffusion coefficients were estimated by the least squares method based on the variations in methane concentration data in space and time in the cell. The measured diffusion coefficients of methane in water at the liquid (L)-vapor (V) stable region and L-V metastable region are close to previously reported values determined at lower pressure and similar temperature. This in situ monitoring method was demonstrated to be suitable for the study of mass transfer in aqueous solution under high pressure and at various temperature conditions and will be applied to the study of nucleation and dissolution kinetics of methane hydrate in a hydrate-water system where the interaction of methane and water would be more complicated than that presented here for the L-V metastable condition. ?? 2006 Society for Applied Spectroscopy.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Applied Spectroscopy","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1366/000370206776023278","issn":"00037028","usgsCitation":"Lu, W., Chou, I., Burruss, R., and Yang, M., 2006, In situ study of mass transfer in aqueous solutions under high pressures via Raman spectroscopy: A new method for the determination of diffusion coefficients of methane in water near hydrate formation conditions: Applied Spectroscopy, v. 60, no. 2, p. 122-129, https://doi.org/10.1366/000370206776023278.","startPage":"122","endPage":"129","numberOfPages":"8","costCenters":[],"links":[{"id":211446,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1366/000370206776023278"},{"id":238737,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"60","issue":"2","noUsgsAuthors":false,"publicationDate":"2006-02-01","publicationStatus":"PW","scienceBaseUri":"505a39aee4b0c8380cd619e5","contributors":{"authors":[{"text":"Lu, W.J.","contributorId":74195,"corporation":false,"usgs":true,"family":"Lu","given":"W.J.","email":"","affiliations":[],"preferred":false,"id":429291,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Chou, I.-M. 0000-0001-5233-6479","orcid":"https://orcid.org/0000-0001-5233-6479","contributorId":44283,"corporation":false,"usgs":true,"family":"Chou","given":"I.-M.","affiliations":[{"id":245,"text":"Eastern Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":429290,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Burruss, R.C. 0000-0001-6827-804X","orcid":"https://orcid.org/0000-0001-6827-804X","contributorId":99574,"corporation":false,"usgs":true,"family":"Burruss","given":"R.C.","affiliations":[],"preferred":false,"id":429292,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Yang, M.Z.","contributorId":101870,"corporation":false,"usgs":true,"family":"Yang","given":"M.Z.","email":"","affiliations":[],"preferred":false,"id":429293,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70030977,"text":"70030977 - 2006 - Quiescent deformation of the Aniakchak Caldera, Alaska mapped by InSAR","interactions":[],"lastModifiedDate":"2017-04-11T15:57:38","indexId":"70030977","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1796,"text":"Geology","active":true,"publicationSubtype":{"id":10}},"title":"Quiescent deformation of the Aniakchak Caldera, Alaska mapped by InSAR","docAbstract":"The 10-km-wide caldera of the historically active Aniakchak volcano, Alaska, subsides ∼13 mm/yr, based on data from 19 European Remote Sensing Satellite (ERS-1 and ERS-2) interferometric synthetic aperture radar (InSAR) images from 1992 through 2002. The pattern of subsidence does not reflect the distribution of pyroclastic deposits from the last eruption in 1931 and therefore is not related to compaction of fragmental debris. Weighted least-squares inversion of the deformation maps indicates a relatively constant subsidence rate. Modeling the deformation with a Mogi point source locates the source of subsidence at ∼4 km below the central caldera floor, which is consistent with the inferred depth of magma storage before the 1931 eruption. Magmatic CO2 and He have been measured at a warm soda spring within the caldera, and several sub-boiling fumaroles persist elsewhere in the caldera. These observations suggest that recent subsidence can be explained by the cooling or degassing of a shallow magma body (∼4 km deep), and/or the reduction of the pore-fluid pressure of a cooling hydrothermal system. Ongoing deformation of the volcano detected by InSAR, in combination with magmatic gas output from at least one warm spring, and infrequent low-level bursts of seismicity below the caldera, indicate that the volcanic system is still active and requires close attention for the timely detection of possible hazards.
","language":"English","publisher":"Geological Society of America","doi":"10.1130/G22015.1","issn":"00917613","usgsCitation":"Kwoun, O., Lu, Z., Neal, C.A., and Wicks, C., 2006, Quiescent deformation of the Aniakchak Caldera, Alaska mapped by InSAR: Geology, v. 34, no. 1, p. 5-8, https://doi.org/10.1130/G22015.1.","productDescription":"4 p.","startPage":"5","endPage":"8","numberOfPages":"4","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true},{"id":615,"text":"Volcano Hazards Program","active":true,"usgs":true}],"links":[{"id":488543,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1130/g22015.1","text":"Publisher Index Page"},{"id":238868,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -159.0765380859375,\n 56.32567522544464\n ],\n [\n -159.0765380859375,\n 57.25528054528889\n ],\n [\n -156.9891357421875,\n 57.25528054528889\n ],\n [\n -156.9891357421875,\n 56.32567522544464\n ],\n [\n -159.0765380859375,\n 56.32567522544464\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"34","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a9317e4b0c8380cd80be6","contributors":{"authors":[{"text":"Kwoun, Oh-Ig","contributorId":41945,"corporation":false,"usgs":true,"family":"Kwoun","given":"Oh-Ig","email":"","affiliations":[],"preferred":false,"id":429477,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lu, Zhong 0000-0001-9181-1818 lu@usgs.gov","orcid":"https://orcid.org/0000-0001-9181-1818","contributorId":901,"corporation":false,"usgs":true,"family":"Lu","given":"Zhong","email":"lu@usgs.gov","affiliations":[],"preferred":true,"id":429480,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Neal, Christina A. 0000-0002-7697-7825 tneal@usgs.gov","orcid":"https://orcid.org/0000-0002-7697-7825","contributorId":131135,"corporation":false,"usgs":true,"family":"Neal","given":"Christina","email":"tneal@usgs.gov","middleInitial":"A.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":429479,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wicks, Charles W. Jr. cwicks@usgs.gov","contributorId":3476,"corporation":false,"usgs":true,"family":"Wicks","given":"Charles W.","suffix":"Jr.","email":"cwicks@usgs.gov","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":false,"id":429478,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70031008,"text":"70031008 - 2006 - Effects of predation, flooding, and contamination on reproductive success of California Clapper Rails (Rallus longirostris obsoletus) in San Francisco Bay","interactions":[],"lastModifiedDate":"2017-05-08T13:12:50","indexId":"70031008","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3544,"text":"The Auk","onlineIssn":"1938-4254","printIssn":"0004-8038","active":true,"publicationSubtype":{"id":10}},"title":"Effects of predation, flooding, and contamination on reproductive success of California Clapper Rails (Rallus longirostris obsoletus) in San Francisco Bay","docAbstract":"We assessed the reproductive success of the California Clapper Rail (Rallus longirostris obsoletus), an endangered subspecies restricted to San Francisco Bay, and the relative importance of predation, flooding, and contaminants as factors affecting that success. Our study was conducted in six tidal marshes in the northern and southern reaches of San Francisco Bay. This assessment, conducted in four breeding seasons (1991, 1992, 1998, 1999), determined that productivity of California Clapper Rails was much reduced over the natural potential. Only 69% of clapper rail eggs whose viability could be assessed were viable. Hatchability of eggs in North Bay and South Bay marshes was 65% and 70%, respectively. Only 45% of the nests successfully hatched at least one egg. Despite mean clutch sizes of 6.7 and 6.9 in the North and South bays, respectively, clapper rails produced only 1.9 and 2.5 young per nesting attempt. Flooding was a minor factor, reducing the number of eggs available to hatch by only 2.3%. Predation on eggs was a major factor affecting nest success, reducing productivity by a third. Failed eggs were examined for abnormal development and contaminant concentrations. Contamination appeared to adversely influence California Clapper Rail reproductive success, as evidenced by deformities; embryo hemorrhaging; embryo malpositions; a depressed rate of hatchability; excess concentrations of mercury, barium, and chromium over known avian embryotoxic thresholds; and a correlation of deformities with elevated concentrations of some trace elements in eggs that failed to hatch. Mercury was the only significant contaminant common to all marshes.
","language":"English","publisher":"American Ornithological Society","doi":"10.1642/0004-8038(2006)123[0045:EOPFAC]2.0.CO;2","issn":"00048038","usgsCitation":"Schwarzbach, S., Albertson, J., and Thomas, C., 2006, Effects of predation, flooding, and contamination on reproductive success of California Clapper Rails (Rallus longirostris obsoletus) in San Francisco Bay: The Auk, v. 123, no. 1, p. 45-60, https://doi.org/10.1642/0004-8038(2006)123[0045:EOPFAC]2.0.CO;2.","productDescription":"16 p.","startPage":"45","endPage":"60","costCenters":[],"links":[{"id":477386,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1642/0004-8038(2006)123[0045:eopfac]2.0.co;2","text":"Publisher Index Page"},{"id":238807,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"123","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a078ae4b0c8380cd51749","contributors":{"authors":[{"text":"Schwarzbach, S.E.","contributorId":32467,"corporation":false,"usgs":true,"family":"Schwarzbach","given":"S.E.","affiliations":[],"preferred":false,"id":429616,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Albertson, J.D.","contributorId":24168,"corporation":false,"usgs":true,"family":"Albertson","given":"J.D.","email":"","affiliations":[],"preferred":false,"id":429615,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Thomas, C.M.","contributorId":81289,"corporation":false,"usgs":true,"family":"Thomas","given":"C.M.","email":"","affiliations":[],"preferred":false,"id":429617,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70031060,"text":"70031060 - 2006 - The quest for the perfect gravity anomaly: Part 1 - New calculation standards","interactions":[],"lastModifiedDate":"2012-03-12T17:21:17","indexId":"70031060","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3317,"text":"SEG Technical Program Expanded Abstracts","active":true,"publicationSubtype":{"id":10}},"title":"The quest for the perfect gravity anomaly: Part 1 - New calculation standards","docAbstract":"The North American gravity database together with databases from Canada, Mexico, and the United States are being revised to improve their coverage, versatility, and accuracy. An important part of this effort is revision of procedures and standards for calculating gravity anomalies taking into account our enhanced computational power, modern satellite-based positioning technology, improved terrain databases, and increased interest in more accurately defining different anomaly components. The most striking revision is the use of one single internationally accepted reference ellipsoid for the horizontal and vertical datums of gravity stations as well as for the computation of the theoretical gravity. The new standards hardly impact the interpretation of local anomalies, but do improve regional anomalies. Most importantly, such new standards can be consistently applied to gravity database compilations of nations, continents, and even the entire world. ?? 2005 Society of Exploration Geophysicists.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"SEG Technical Program Expanded Abstracts","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1190/1.2370391","issn":"10523812","usgsCitation":"Li, X., Hildenbrand, T., Hinze, W.J., Keller, G.R., Ravat, D., and Webring, M., 2006, The quest for the perfect gravity anomaly: Part 1 - New calculation standards: SEG Technical Program Expanded Abstracts, v. 25, no. 1, p. 859-863, https://doi.org/10.1190/1.2370391.","startPage":"859","endPage":"863","numberOfPages":"5","costCenters":[],"links":[{"id":211365,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1190/1.2370391"},{"id":238644,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"25","issue":"1","noUsgsAuthors":false,"publicationDate":"2006-10-06","publicationStatus":"PW","scienceBaseUri":"505baeeae4b08c986b324414","contributors":{"authors":[{"text":"Li, X.","contributorId":67635,"corporation":false,"usgs":true,"family":"Li","given":"X.","email":"","affiliations":[],"preferred":false,"id":429869,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hildenbrand, T.G.","contributorId":83892,"corporation":false,"usgs":true,"family":"Hildenbrand","given":"T.G.","email":"","affiliations":[],"preferred":false,"id":429871,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hinze, W. J.","contributorId":52607,"corporation":false,"usgs":false,"family":"Hinze","given":"W.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":429868,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Keller, Gordon R.","contributorId":90280,"corporation":false,"usgs":true,"family":"Keller","given":"Gordon","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":429872,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Ravat, D.","contributorId":102971,"corporation":false,"usgs":true,"family":"Ravat","given":"D.","email":"","affiliations":[],"preferred":false,"id":429873,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Webring, M.","contributorId":67662,"corporation":false,"usgs":true,"family":"Webring","given":"M.","affiliations":[],"preferred":false,"id":429870,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70031095,"text":"70031095 - 2006 - Time-lapse seismic study of levees in southern New Mexico","interactions":[],"lastModifiedDate":"2012-03-12T17:21:17","indexId":"70031095","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3317,"text":"SEG Technical Program Expanded Abstracts","active":true,"publicationSubtype":{"id":10}},"title":"Time-lapse seismic study of levees in southern New Mexico","docAbstract":"The primary objective of this work was to measure changes in compressional- (Vp) and shear-wave (Vs) velocities in an earthen levee during a ponding experiment designed to simulate flood conditions on the Rio Grande in south New Mexico. Although similar to such experiment, performed an year earlier on the Rio Grande in south Texas, the levee seismic response results are different. This work was similar to previous Preliminary testing at three levee sites, all within a 1 km radius and each with unique physical, EM, and core characteristics, was completed and a single low-conductivity, highly fractured site was selected for investigation. Several different types of seismic data were recorded. Seismic data analysis techniques appraised included P-refraction tomography and Rayleigh surface-wave analysis using multichannel analysis of surface waves (MASW). P-wave velocity change (decrease) was rapid and isolated to one section within the pool confines, which already had anomalously high velocity most likely related to burrowing animals modification of the levee structure. S-wave velocity change was gradual and could be observed along the whole width of the pond within and below the levee. The results within the levee sand core were consistent with the observations of sand S-wave velocity changed due to saturation. ?? 2005 Society of Exploration Geophysicists.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"SEG Technical Program Expanded Abstracts","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1190/1.2370207","issn":"10523812","usgsCitation":"Ivanov, J., Miller, R., Stimac, N., Ballard, R., Dunbar, J.J., and Smullen, S.S., 2006, Time-lapse seismic study of levees in southern New Mexico: SEG Technical Program Expanded Abstracts, v. 25, no. 1, p. 3255-3259, https://doi.org/10.1190/1.2370207.","startPage":"3255","endPage":"3259","numberOfPages":"5","costCenters":[],"links":[{"id":211368,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1190/1.2370207"},{"id":238647,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"25","issue":"1","noUsgsAuthors":false,"publicationDate":"2006-10-06","publicationStatus":"PW","scienceBaseUri":"505bb3c7e4b08c986b325fbf","contributors":{"authors":[{"text":"Ivanov, J.","contributorId":107068,"corporation":false,"usgs":true,"family":"Ivanov","given":"J.","email":"","affiliations":[],"preferred":false,"id":429998,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Miller, R. D.","contributorId":92693,"corporation":false,"usgs":true,"family":"Miller","given":"R. D.","affiliations":[],"preferred":false,"id":429997,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Stimac, N.","contributorId":76543,"corporation":false,"usgs":true,"family":"Stimac","given":"N.","email":"","affiliations":[],"preferred":false,"id":429996,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ballard, R.F. Jr.","contributorId":61637,"corporation":false,"usgs":true,"family":"Ballard","given":"R.F.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":429994,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Dunbar, J. Joseph","contributorId":45110,"corporation":false,"usgs":true,"family":"Dunbar","given":"J.","email":"","middleInitial":"Joseph","affiliations":[],"preferred":false,"id":429993,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Smullen, S. Steve","contributorId":63217,"corporation":false,"usgs":true,"family":"Smullen","given":"S.","email":"","middleInitial":"Steve","affiliations":[],"preferred":false,"id":429995,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70031136,"text":"70031136 - 2006 - Detrital zircon provenance of the Late Triassic Songpan-Ganzi complex: Sedimentary record of collision of the North and South China blocks","interactions":[],"lastModifiedDate":"2023-04-14T13:56:50.490695","indexId":"70031136","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1796,"text":"Geology","active":true,"publicationSubtype":{"id":10}},"title":"Detrital zircon provenance of the Late Triassic Songpan-Ganzi complex: Sedimentary record of collision of the North and South China blocks","docAbstract":"Using detrital zircon geochronology, turbidite deposystems fed from distinct sediment sources can be distinguished within the Songpan-Ganzi complex, a collapsed Middle to Late Triassic turbidite basin of central China. A southern Songpan-Ganzi deposystem initially was sourced solely by erosion of the Qinling-Dabie orogen during early Late Triassic time, then by Qinling-Dabie orogen, North China block, and South China block sources during middle to late Late Triassic time. A northern Songpan-Ganzi system was sourced by erosion of the Qinling-Dabie orogen and the North China block throughout its deposition. These separate deposystems were later tectonically amalgamated to form one complex and then uplifted as the eastern Tibet Plateau. ?? 2006 Geological Society of America.","language":"English","publisher":"Geological Society of America","doi":"10.1130/G21929.1","usgsCitation":"Weislogel, A., Graham, S.A., Chang, E.Z., Wooden, J., Gehrels, G., and Yang, H., 2006, Detrital zircon provenance of the Late Triassic Songpan-Ganzi complex: Sedimentary record of collision of the North and South China blocks: Geology, v. 34, no. 2, p. 97-100, https://doi.org/10.1130/G21929.1.","productDescription":"4 p.","startPage":"97","endPage":"100","numberOfPages":"4","costCenters":[],"links":[{"id":238749,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"China","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n 100,\n 35.25\n ],\n [\n 100,\n 29.75\n ],\n [\n 106,\n 29.75\n ],\n [\n 106,\n 35.25\n ],\n [\n 100,\n 35.25\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"34","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0000e4b0c8380cd4f521","contributors":{"authors":[{"text":"Weislogel, Amy","contributorId":243156,"corporation":false,"usgs":false,"family":"Weislogel","given":"Amy","email":"","affiliations":[{"id":48650,"text":"West Virginia University,Department of Geology and Geography","active":true,"usgs":false}],"preferred":false,"id":430201,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Graham, Stephan A.","contributorId":45902,"corporation":false,"usgs":true,"family":"Graham","given":"Stephan","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":430204,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Chang, E. Z.","contributorId":8287,"corporation":false,"usgs":false,"family":"Chang","given":"E.","email":"","middleInitial":"Z.","affiliations":[],"preferred":false,"id":430199,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wooden, Joseph L.","contributorId":32209,"corporation":false,"usgs":true,"family":"Wooden","given":"Joseph L.","affiliations":[],"preferred":false,"id":430203,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Gehrels, George E.","contributorId":270803,"corporation":false,"usgs":false,"family":"Gehrels","given":"George E.","affiliations":[{"id":7042,"text":"University of Arizona","active":true,"usgs":false}],"preferred":false,"id":430200,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Yang, H.","contributorId":48385,"corporation":false,"usgs":true,"family":"Yang","given":"H.","email":"","affiliations":[],"preferred":false,"id":430202,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70031176,"text":"70031176 - 2006 - Lake Sturgeon, Acipenser fulvescens, movements in Rainy Lake, Minnesota and Ontario","interactions":[],"lastModifiedDate":"2021-05-06T21:45:01.845269","indexId":"70031176","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1163,"text":"Canadian Field-Naturalist","active":true,"publicationSubtype":{"id":10}},"title":"Lake Sturgeon, Acipenser fulvescens, movements in Rainy Lake, Minnesota and Ontario","docAbstract":"Rainy Lake, Minnesota-Ontario, contains a native population of Lake Sturgeon (Acipenser fulvescens) that has gone largely unstudied. The objective of this descriptive study was to summarize generalized Lake Sturgeon movement patterns through the use of biotelemetry. Telemetry data reinforced the high utilization of the Squirrel Falls geographic location by Lake Sturgeon, with 37% of the re-locations occurring in that area. Other spring aggregations occurred in areas associated with Kettle Falls, the Pipestone River, and the Rat River, which could indicate spawning activity. Movement of Lake Sturgeon between the Seine River and the South Arm of Rainy Lake indicates the likelihood of one integrated population on the east end of the South Arm. The lack of re-locations in the Seine River during the months of September and October may have been due to Lake Sturgeon moving into deeper water areas of the Seine River and out of the range of radio telemetry gear or simply moving back into the South Arm. Due to the movements between Minnesota and Ontario, coordination of management efforts among provincial, state, and federal agencies will be important.
","language":"English","publisher":"Canadian Field-Naturalist","doi":"10.22621/cfn.v120i1.249","issn":"00083550","usgsCitation":"Adams, W., Kallemeyn, L., and Willis, D., 2006, Lake Sturgeon, Acipenser fulvescens, movements in Rainy Lake, Minnesota and Ontario: Canadian Field-Naturalist, v. 120, no. 1, p. 71-82, https://doi.org/10.22621/cfn.v120i1.249.","productDescription":"12 p.","startPage":"71","endPage":"82","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"links":[{"id":486990,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.22621/cfn.v120i1.249","text":"Publisher Index Page"},{"id":385519,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Minnesota","otherGeospatial":"Rainy Lake","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -93.7957763671875,\n 48.17707562779612\n ],\n [\n -93.40576171875,\n 48.17707562779612\n ],\n [\n -93.40576171875,\n 48.50204750525715\n ],\n [\n -93.7957763671875,\n 48.50204750525715\n ],\n [\n -93.7957763671875,\n 48.17707562779612\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"120","issue":"1","noUsgsAuthors":false,"publicationDate":"2006-01-01","publicationStatus":"PW","scienceBaseUri":"505a4154e4b0c8380cd65495","contributors":{"authors":[{"text":"Adams, W.E. Jr.","contributorId":23489,"corporation":false,"usgs":true,"family":"Adams","given":"W.E.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":430370,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kallemeyn, L.W.","contributorId":44864,"corporation":false,"usgs":true,"family":"Kallemeyn","given":"L.W.","email":"","affiliations":[],"preferred":false,"id":430371,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Willis, D.W.","contributorId":56179,"corporation":false,"usgs":true,"family":"Willis","given":"D.W.","email":"","affiliations":[],"preferred":false,"id":430372,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70031177,"text":"70031177 - 2006 - Detection probabilities and site occupancy estimates for amphibians at Okefenokee National Wildlife Refuge","interactions":[],"lastModifiedDate":"2012-03-12T17:21:17","indexId":"70031177","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":737,"text":"American Midland Naturalist","active":true,"publicationSubtype":{"id":10}},"title":"Detection probabilities and site occupancy estimates for amphibians at Okefenokee National Wildlife Refuge","docAbstract":"We conducted an amphibian inventory at Okefenokee National Wildlife Refuge from August 2000 to June 2002 as part of the U.S. Department of the Interior's national Amphibian Research and Monitoring Initiative. Nineteen species of amphibians (15 anurans and 4 caudates) were documented within the Refuge, including one protected species, the Gopher Frog Rana capito. We also collected 1 y of monitoring data for amphibian populations and incorporated the results into the inventory. Detection probabilities and site occupancy estimates for four species, the Pinewoods Treefrog (Hyla femoralis), Pig Frog (Rana grylio), Southern Leopard Frog (R. sphenocephala) and Carpenter Frog (R. virgatipes) are presented here. Detection probabilities observed in this study indicate that spring and summer surveys offer the best opportunity to detect these species in the Refuge. Results of the inventory suggest that substantial changes may have occurred in the amphibian fauna within and adjacent to the swamp. However, monitoring the amphibian community of Okefenokee Swamp will prove difficult because of the logistical challenges associated with a rigorous statistical assessment of status and trends.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"American Midland Naturalist","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1674/0003-0031(2006)155[0149:DPASOE]2.0.CO;2","issn":"00030031","usgsCitation":"Smith, L.L., Barichivich, W., Staiger, J., Smith, K.G., and Dodd, C., 2006, Detection probabilities and site occupancy estimates for amphibians at Okefenokee National Wildlife Refuge: American Midland Naturalist, v. 155, no. 1, p. 149-161, https://doi.org/10.1674/0003-0031(2006)155[0149:DPASOE]2.0.CO;2.","startPage":"149","endPage":"161","numberOfPages":"13","costCenters":[],"links":[{"id":211462,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1674/0003-0031(2006)155[0149:DPASOE]2.0.CO;2"},{"id":238755,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"155","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059ff7be4b0c8380cd4f201","contributors":{"authors":[{"text":"Smith, L. L.","contributorId":6791,"corporation":false,"usgs":true,"family":"Smith","given":"L.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":430373,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Barichivich, W.J. 0000-0003-1103-6861","orcid":"https://orcid.org/0000-0003-1103-6861","contributorId":91435,"corporation":false,"usgs":true,"family":"Barichivich","given":"W.J.","affiliations":[],"preferred":false,"id":430377,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Staiger, J.S.","contributorId":45664,"corporation":false,"usgs":true,"family":"Staiger","given":"J.S.","email":"","affiliations":[],"preferred":false,"id":430374,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Smith, Kimberly G.","contributorId":47720,"corporation":false,"usgs":true,"family":"Smith","given":"Kimberly","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":430375,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Dodd, C.K. Jr.","contributorId":86286,"corporation":false,"usgs":true,"family":"Dodd","given":"C.K.","suffix":"Jr.","affiliations":[],"preferred":false,"id":430376,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70035443,"text":"70035443 - 2006 - Geology of the Yucca Mountain region","interactions":[],"lastModifiedDate":"2012-03-12T17:21:54","indexId":"70035443","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2711,"text":"Memoir of the Geological Society of America","active":true,"publicationSubtype":{"id":10}},"title":"Geology of the Yucca Mountain region","docAbstract":"Yucca Mountain has been proposed as the site for the nation's first geologic repository for high-level radioactive waste. This chapter provides the geologic framework for the Yucca Mountain region. The regional geologic units range in age from late Precambrian through Holocene, and these are described briefly. Yucca Mountain is composed dominantly of pyroclastic units that range in age from 11.4 to 15.2 Ma. The proposed repository would be constructed within the Topopah Spring Tuff, which is the lower of two major zoned and welded ash-flow tuffs within the Paintbrush Group. The two welded tuffs are separated by the partly to nonwelded Pah Canyon Tuff and Yucca Mountain Tuff, which together figure prominently in the hydrology of the unsaturated zone. The Quaternary deposits are primarily alluvial sediments with minor basaltic cinder cones and flows. Both have been studied extensively because of their importance in predicting the long-term performance of the proposed repository. Basaltic volcanism began ca. 10 Ma and continued as recently as ca. 80 ka with the eruption of cones and flows at Lathrop Wells, ???10 km south-southwest of Yucca Mountain. Geologic structure in the Yucca Mountain region is complex. During the latest Paleozoic and Mesozoic, strong compressional forces caused tight folding and thrust faulting. The present regional setting is one of extension, and normal faulting has been active from the Miocene through to the present. There are three major local tectonic domains: (1) Basin and Range, (2) Walker Lane, and (3) Inyo-Mono. Each domain has an effect on the stability of Yucca Mountain. ?? 2007 Geological Society of America. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Memoir of the Geological Society of America","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1130/2007.1199(02)","issn":"00721069","usgsCitation":"Stuckless, J., and O’Leary, D.W., 2006, Geology of the Yucca Mountain region: Memoir of the Geological Society of America, v. 199, p. 9-50, https://doi.org/10.1130/2007.1199(02).","startPage":"9","endPage":"50","numberOfPages":"42","costCenters":[],"links":[{"id":215498,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1130/2007.1199(02)"},{"id":243308,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"199","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a26d4e4b0c8380cd593ad","contributors":{"authors":[{"text":"Stuckless, J. S.","contributorId":6060,"corporation":false,"usgs":true,"family":"Stuckless","given":"J. S.","affiliations":[],"preferred":false,"id":450712,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"O’Leary, Dennis W.","contributorId":91501,"corporation":false,"usgs":true,"family":"O’Leary","given":"Dennis","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":450713,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70035447,"text":"70035447 - 2006 - Diagenetic alteration of impact spherules in the Neoarchean Monteville layer, South Africa","interactions":[],"lastModifiedDate":"2012-03-12T17:21:55","indexId":"70035447","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3459,"text":"Special Paper of the Geological Society of America","active":true,"publicationSubtype":{"id":10}},"title":"Diagenetic alteration of impact spherules in the Neoarchean Monteville layer, South Africa","docAbstract":"Intercontinental correlation of distal Archean impact ejecta layers can be used to help create a global time-stratigraphic framework for early Earth events. For example, an impact spherule layer in the Neoarchean Monteville Formation (Griqualand West Basin, South Africa) may be correlated with layers in one or more formations in Western Australia. To help assess the degree to which diagenetic alteration would hinder such correlations, we performed a petrographic study of spherules in the Monteville layer. Most of the spherules in the Monteville layer have botryoidal rims composed of radial-fibrous K-feldspar, but compaction and replacement have greatly altered their appearance and mineralogy. Moreover, the Monteville spherule layer consists of three main subunits, and spherule compaction varies between subunits as well as across the Griqualand West region. Compaction is about three times greater in a medial spherulerich subunit as compared to a basal subunit rich in large intraclasts, resulting in better preservation of the shapes of melt particles in the latter. However, spherule rims have omparable numbers of fractures in both subunits, indicating the melt particles were fractured prior to compaction. Some spherules contain mica ribbons with a septarian geometry. Fracturing via rapid thermal quenching could help explain all of these features. f hot spherules possessing crystalline rims were thermally shocked when they hit the ocean, fractures would have the observed geometries and provide pathways for fluid infiltration and local replacement of glass by mica. Although heavily distorted, impact spherules in the Monteville layer are very similar to those in the Hesta occurrence of the Neoarchean Jeerinah spherule layer of the Hamersley Basin, even showing similar diagenetic histories. In this instance, diagenetic alteration may actually help rather than hinder intercontinental correlation of impact spherule layers. ??2006 Geological Society of America.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Special Paper of the Geological Society of America","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1130/2006.2405(04)","issn":"00721077","usgsCitation":"Kohl, I., Simonson, B., and Berke, M., 2006, Diagenetic alteration of impact spherules in the Neoarchean Monteville layer, South Africa: Special Paper of the Geological Society of America, no. 405, p. 57-73, https://doi.org/10.1130/2006.2405(04).","startPage":"57","endPage":"73","numberOfPages":"17","costCenters":[],"links":[{"id":215472,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1130/2006.2405(04)"},{"id":243280,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"issue":"405","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0099e4b0c8380cd4f7f6","contributors":{"authors":[{"text":"Kohl, I.","contributorId":25007,"corporation":false,"usgs":true,"family":"Kohl","given":"I.","email":"","affiliations":[],"preferred":false,"id":450721,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Simonson, B.M.","contributorId":87774,"corporation":false,"usgs":true,"family":"Simonson","given":"B.M.","email":"","affiliations":[],"preferred":false,"id":450722,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Berke, M.","contributorId":103878,"corporation":false,"usgs":true,"family":"Berke","given":"M.","email":"","affiliations":[],"preferred":false,"id":450723,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70044388,"text":"70044388 - 2006 - Mineral resource of the month: mercury","interactions":[],"lastModifiedDate":"2013-05-07T12:43:22","indexId":"70044388","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1829,"text":"Geotimes","active":true,"publicationSubtype":{"id":10}},"title":"Mineral resource of the month: mercury","docAbstract":"The ore of mercury, cinnabar, is soft and dark red, and native mercury is one of a few metals that is liquid at room temperatures. Cinnabar from Almaden, Spain, the world’s oldest producing mercury mine, was used during Roman times, and the chemical symbol for mercury (Hg) is from \"hydrargyrum,\" from the Greek word meaning liquid silver. Cinnabar and mercury are associated with some hydrothermal mineral deposits and occur in fine-grained or sedimentary and volcanic rocks near hot springs or volcanic centers. Mercury may be recovered as a byproduct of processing copper, gold, lead-zinc or silver.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geotimes","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"American Geosciences Institute","publisherLocation":"Alexandria, VA","usgsCitation":"Brooks, W.E., 2006, Mineral resource of the month: mercury: Geotimes, v. 2006, no. April, HTML Document.","productDescription":"HTML Document","additionalOnlineFiles":"N","ipdsId":"IP-040559","costCenters":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"links":[{"id":270470,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":270469,"type":{"id":11,"text":"Document"},"url":"https://www.geotimes.org/apr06/resources.html"}],"volume":"2006","issue":"April","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"515bfdf2e4b075500ee5ca67","contributors":{"authors":[{"text":"Brooks, William E.","contributorId":104061,"corporation":false,"usgs":true,"family":"Brooks","given":"William","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":475499,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70171284,"text":"70171284 - 2006 - Advances in recreational water quality monitoring at Indiana Dunes National Lakeshore","interactions":[],"lastModifiedDate":"2016-05-26T10:58:18","indexId":"70171284","displayToPublicDate":"2006-01-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3014,"text":"Park Science","active":true,"publicationSubtype":{"id":10}},"title":"Advances in recreational water quality monitoring at Indiana Dunes National Lakeshore","docAbstract":"Indiana Dunes has improved its ability to protect the health of swimmers through better science-based management and increased understanding of contaminants. Most research has focused on Escherichia coli and its nature, sources, and distribution because it is widely accepted as an indicator of potential pathogens. Though research on E. coli and recreational water quality is continually generating new information, public beach managers may gain valuable insight into this management issue from our experience at Indiana Dunes. This article reviews one of the longest maintained indicator bacteria monitoring programs in the National Park System, highlights lessons learned, and summarizes research findings that may be of interest to public beach managers.
","language":"English","publisher":"U.S. National Park Service","usgsCitation":"Smith, W., Nevers, M., and Whitman, R.L., 2006, Advances in recreational water quality monitoring at Indiana Dunes National Lakeshore: Park Science, v. 24, no. 1, p. 19-23.","productDescription":"5 p.","startPage":"19","endPage":"23","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":321731,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":321730,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.nature.nps.gov/ParkScience/dyn7navContent.cfm?metaDescriptionPageTitle=Archive:%202005%20to%202010&navArticleID=3&navArticlePageID=18&navArticlePageTitle=2005%20to%202010&navArticlePageNum=6&CFID=24647153&CFTOKEN=7560cd3227dc0db2-49B8158E-155D-AD0C-81122D4B1D003F87"}],"volume":"24","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57481e2be4b07e28b664db7f","contributors":{"authors":[{"text":"Smith, Wendy","contributorId":169642,"corporation":false,"usgs":false,"family":"Smith","given":"Wendy","email":"","affiliations":[],"preferred":false,"id":630433,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nevers, Meredith 0000-0001-6963-6734 mnevers@usgs.gov","orcid":"https://orcid.org/0000-0001-6963-6734","contributorId":2013,"corporation":false,"usgs":true,"family":"Nevers","given":"Meredith","email":"mnevers@usgs.gov","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":630434,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Whitman, Richard L. rwhitman@usgs.gov","contributorId":542,"corporation":false,"usgs":true,"family":"Whitman","given":"Richard","email":"rwhitman@usgs.gov","middleInitial":"L.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":630435,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70205401,"text":"70205401 - 2006 - Evidence for intensification of the global water cycle: Review and synthesis","interactions":[],"lastModifiedDate":"2019-09-17T11:30:55","indexId":"70205401","displayToPublicDate":"2005-08-22T11:27:32","publicationYear":"2006","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":"Evidence for intensification of the global water cycle: Review and synthesis","docAbstract":"One of the more important questions in hydrology is: if the climate warms in the future, will there be an intensification of the water cycle and, if so, the nature of that intensification? There is considerable interest in this question because an intensification of the water cycle may lead to changes in water-resource availability, an increase in the frequency and intensity of tropical storms, floods, and droughts, and an amplification of warming through the water vapor feedback. Empirical evidence for ongoing intensification of the water cycle would provide additional support for the theoretical framework that links intensification with warming. This paper briefly reviews the current state of science regarding historical trends in hydrologic variables, including precipitation, runoff, tropospheric water vapor, soil moisture, glacier mass balance, evaporation, evapotranspiration, and growing season length. Data are often incomplete in spatial and temporal domains and regional analyses are variable and sometimes contradictory; however, the weight of evidence indicates an ongoing intensification of the water cycle. In contrast to these trends, the empirical evidence to date does not consistently support an increase in the frequency or intensity of tropical storms and floods.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.jhydrol.2005.07.003","usgsCitation":"Huntington, T.G., 2006, Evidence for intensification of the global water cycle: Review and synthesis: Journal of Hydrology, v. 319, no. 1-4, p. 83-95, https://doi.org/10.1016/j.jhydrol.2005.07.003.","productDescription":"13 p.","startPage":"83","endPage":"95","costCenters":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true}],"links":[{"id":367479,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"319","issue":"1-4","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Huntington, Thomas G. 0000-0002-9427-3530 thunting@usgs.gov","orcid":"https://orcid.org/0000-0002-9427-3530","contributorId":1884,"corporation":false,"usgs":true,"family":"Huntington","given":"Thomas","email":"thunting@usgs.gov","middleInitial":"G.","affiliations":[{"id":371,"text":"Maine Water Science Center","active":true,"usgs":true},{"id":466,"text":"New England Water Science Center","active":true,"usgs":true}],"preferred":true,"id":771056,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":75383,"text":"ofr20051381 - 2005 - Pilot inventory of mammals, reptiles, and amphibians, Golden Gate National Recreation Area, California, 1990-1997","interactions":[],"lastModifiedDate":"2021-08-20T14:54:19.615992","indexId":"ofr20051381","displayToPublicDate":"2021-08-20T09:35:00","publicationYear":"2005","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":"2005-1381","displayTitle":"Pilot Inventory of Mammals, Reptiles, and Amphibians, Golden Gate National Recreation Area, California, 1990-1997","title":"Pilot inventory of mammals, reptiles, and amphibians, Golden Gate National Recreation Area, California, 1990-1997","docAbstract":"The United States Geological Survey Golden Gate Field Station conducted a baseline inventory of terrestrial vertebrates within the Golden Gate National Recreation Area (GGNRA), Marin, San Francisco, and San Mateo Counties, California between 1990 and 1997. We established 456 permanent study plots in 6 major park habitats, including grassland, coastal scrub, riparian woodland, coastal wetland, broad-leaved evergreen forest, and needle-leaved evergreen forest.\r\n\r\nWe tested multiple inventory methods, including live traps, track plate stations, and artificial cover boards, across all years and habitats. In most years, sampling occurred in 3-4 primary sampling sessions between July and September. In 1994, additional sampling occurred in February and May in conjunction with an assessment of Hantavirus exposure in deer mice (Peromyscus maniculatus).\r\n\r\nOverall, we detected 32 mammal, 14 reptile, and 6 amphibian species during 25,222 trap-nights of effort. The deer mouse-the most abundant species detected--accounted for 67% of total captures. We detected the Federal Endangered salt marsh harvest mouse (Reithrodontomys raviventris) at one coastal wetland plot in 1992.\r\n\r\nThis project represents the first phase in the development of a comprehensive terrestrial vertebrate inventory and monitoring program for GGNRA. This report summarizes data on relative abundance, frequency of occurrence, distribution across habitat types, and trap success for terrestrial vertebrates detected during this 7-year effort. It includes comprehensive descriptions of the inventory methods and sampling strategies employed during this survey and is intended to help guide the park in the implementation of future longterm ecological monitoring programs.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20051381","collaboration":"Prepared in cooperation with the National Park Service, Golden Gate National Parks Association, and Earthwatch","usgsCitation":"Semenoff-Irving, M., and Howell, J.A., 2005, Pilot inventory of mammals, reptiles, and amphibians, Golden Gate National Recreation Area, California, 1990-1997: U.S. Geological Survey Open-File Report 2005-1381, vi, 107 p., https://doi.org/10.3133/ofr20051381.","productDescription":"vi, 107 p.","numberOfPages":"107","costCenters":[{"id":50464,"text":"Eastern Ecological Science Center","active":true,"usgs":true}],"links":[{"id":191771,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2005/1381/coverthb.jpg"},{"id":9839,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2005/1381/ofr20051381.pdf","text":"Report","size":"7.28 MB","linkFileType":{"id":1,"text":"pdf"}},{"id":12535,"rank":9999,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/of/2005/1381/ofr20051381.zip","size":"1.51 MB","linkFileType":{"id":6,"text":"zip"}}],"country":"United States","state":"California","otherGeospatial":"Golden Gate 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 -122.37258911132812,\n 37.260938147754544\n ],\n [\n -122.11990356445312,\n 37.45959832290546\n ],\n [\n -122.39456176757811,\n 37.79350762410675\n ],\n [\n -122.6513671875,\n 38.136716904135376\n ],\n [\n -122.89718627929688,\n 38.07620357665235\n ],\n [\n -122.79006958007812,\n 37.96260604160774\n ],\n [\n -122.54013061523438,\n 37.78482544885859\n ],\n [\n -122.52914428710938,\n 37.54893261064111\n ],\n [\n -122.37258911132812,\n 37.260938147754544\n ]\n ]\n ]\n }\n }\n ]\n}","publicComments":"Original contributing office: Patuxent Wildlife Research Center","contact":"","publishingServiceCenter":{"id":10,"text":"Baltimore PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aafe4b07f02db66cc87","contributors":{"authors":[{"text":"Semenoff-Irving, Marcia","contributorId":9338,"corporation":false,"usgs":true,"family":"Semenoff-Irving","given":"Marcia","email":"","affiliations":[],"preferred":false,"id":286866,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Howell, Judd A. jhowell@usgs.gov","contributorId":5728,"corporation":false,"usgs":true,"family":"Howell","given":"Judd","email":"jhowell@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":286865,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70045822,"text":"70045822 - 2005 - Mineral of the month: aluminum","interactions":[],"lastModifiedDate":"2013-05-07T10:09:43","indexId":"70045822","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2005","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1829,"text":"Geotimes","active":true,"publicationSubtype":{"id":10}},"title":"Mineral of the month: aluminum","docAbstract":"Aluminum is the second most abundant metallic element in Earth’s crust after silicon. Even so, it is a comparatively new industrial metal that has been produced in commercial quantities for little more than 100 years. Aluminum is lightweight, ductile, malleable and corrosion resistant, and is a good conductor of heat and electricity. Weighing about one-third as much as steel or copper per unit of volume, aluminum is used more than any other metal except iron. Aluminum can be fabricated into desired forms and shapes by every major metalworking technique to add to its versatility.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geotimes","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"AGI","usgsCitation":"Plunkert, P.A., 2005, Mineral of the month: aluminum: Geotimes, v. 2005, no. 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Chromium is used in many consumer and building products, and it contributes to a clean, efficient and healthy environment.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geotimes","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"AGI","usgsCitation":"Papp, J.F., 2005, Mineral of the month: chromium: Geotimes, v. 2005, no. 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Most tin is used as a protective coating or as an alloy with other metals in a diverse range of commercial and defense applications.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geotimes","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"AGI","usgsCitation":"Carlin, J.F., 2005, Mineral of the month: tin: Geotimes, v. 2005, no. March, HTML Document.","productDescription":"HTML Document","costCenters":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"links":[{"id":271948,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":271947,"type":{"id":11,"text":"Document"},"url":"https://www.geotimes.org/mar05/resources.html#mineral"}],"volume":"2005","issue":"March","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"518a226de4b061e1bd5333d6","contributors":{"authors":[{"text":"Carlin, James F. Jr. jcarlin@usgs.gov","contributorId":2685,"corporation":false,"usgs":true,"family":"Carlin","given":"James","suffix":"Jr.","email":"jcarlin@usgs.gov","middleInitial":"F.","affiliations":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"preferred":false,"id":478407,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ]}