Water-rights driven surface-water allocations for irrigated agriculture can be simulated using the farm process for MODFLOW-2000. This paper describes and develops a model, which simulates routed surface-water deliveries to farms limited by streamflow, equal-appropriation allotments, or a ranked prior-appropriation system. Simulated diversions account for deliveries to all farms along a canal according to their water-rights ranking and for conveyance losses and gains. Simulated minimum streamflow requirements on diversions help guarantee supplies to senior farms located on downstream diverting canals. Prior appropriation can be applied to individual farms or to groups of farms modeled as “virtual farms” representing irrigation districts, irrigated regions in transboundary settings, or natural vegetation habitats. The integrated approach of jointly simulating canal diversions, surface-water deliveries subject to water-rights constraints, and groundwater allocations is verified on numerical experiments based on a realistic, but hypothetical, system of ranked virtual farms. Results are discussed in light of transboundary water appropriation and demonstrate the approach’s suitability for simulating effects of water-rights hierarchies represented by international treaties, interstate stream compacts, intrastate water rights, or ecological requirements.
This study examined the removal of U, Mo, and Re from seawater by sedimentary processes at a shallow-water site with near-saturation bottom water O2 levels (240–380 μmol O2/L), very high organic matter oxidation rates (annually averaged rate is 880 μmol C/cm2/y), and shallow oxygen penetration depths (4 mm or less throughout the year). Under these conditions, U, Mo, and Re were removed rapidly to asymptotic pore water concentrations of 2.2–3.3 nmol/kg (U), 7–13 nmol/kg (Mo), and 11–14 pmol/kg (Re). The depth order in which the three metals were removed, determined by fitting a diffusion-reaction model to measured profiles, was Re < U < Mo. Model fits also suggest that the Mo profiles clearly showed the presence of a near-interface layer in which Mo was added to pore waters by remineralization of a solid phase. The importance of this solid phase source of pore water Mo increased from January to October as the organic matter oxidation rate increased, bottom water O2 decreased, and the O2 penetration depth decreased. Experiments with in situ benthic flux chambers generally showed fluxes of U and Mo into the sediments. However, when the overlying water O2 concentration in the chambers was allowed to drop to very low levels, Mn and Fe were released to the overlying water along with the simultaneous release of Mo and U. These experiments suggest that remineralization of Mn and/or Fe oxides may be a source of Mo and perhaps U to pore waters, and may complicate the accumulation of U and Mo in bioturbated sediments with high organic matter oxidation rates and shallow O2 penetration depths.
Benthic chamber experiments including the nonreactive solute tracer, Br−, indicated that sediment irrigation was very important to solute exchange at the study site. The enhancement of sediment–seawater exchange due to irrigation was determined for the nonreactive tracer (Br−), TCO2,
The removal rate of U and Mo from seawater by sedimentary reactions was found to agree with the rate of accumulation of authigenic U and Mo in the solid phase. The fluxes of U and Mo determined by in situ benthic flux chamber measurements were the largest that have been measured to date. These results confirm that removal of redox-sensitive metals from continental margin sediments underlying oxic bottom water is important, and suggest that continental margin sediments play a key role in the marine budgets of these metals.
","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geochimica et Cosmochimica Acta","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.gca.2006.10.016","issn":"00167037","usgsCitation":"Morford, J., Martin, W.R., Kalnejais, L., Francois, R., Bothner, M., and Karle, I., 2007, Insights on geochemical cycling of U, Re and Mo from seasonal sampling in Boston Harbor, Massachusetts, USA: Geochimica et Cosmochimica Acta, v. 71, no. 4, p. 895-917, https://doi.org/10.1016/j.gca.2006.10.016.","startPage":"895","endPage":"917","numberOfPages":"23","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":477173,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://hdl.handle.net/1912/1623","text":"External Repository"},{"id":214849,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.gca.2006.10.016"},{"id":242602,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"71","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a3c21e4b0c8380cd62ac2","contributors":{"authors":[{"text":"Morford, J.L.","contributorId":82145,"corporation":false,"usgs":true,"family":"Morford","given":"J.L.","email":"","affiliations":[],"preferred":false,"id":434352,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Martin, W. R.","contributorId":27690,"corporation":false,"usgs":false,"family":"Martin","given":"W.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":434349,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kalnejais, Linda H.","contributorId":36376,"corporation":false,"usgs":false,"family":"Kalnejais","given":"Linda H.","affiliations":[],"preferred":false,"id":434350,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Francois, R.","contributorId":107911,"corporation":false,"usgs":true,"family":"Francois","given":"R.","email":"","affiliations":[],"preferred":false,"id":434353,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bothner, Michael H. mbothner@usgs.gov","contributorId":139855,"corporation":false,"usgs":true,"family":"Bothner","given":"Michael H.","email":"mbothner@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":434351,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Karle, I.-M.","contributorId":16238,"corporation":false,"usgs":true,"family":"Karle","given":"I.-M.","email":"","affiliations":[],"preferred":false,"id":434348,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70042637,"text":"cir13063B - 2007 - Using geospatial technology to process 911 calls after Hurricanes Katrina and Rita","interactions":[],"lastModifiedDate":"2019-06-18T12:14:57","indexId":"cir13063B","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":307,"text":"Circular","code":"CIR","onlineIssn":"2330-5703","printIssn":"1067-084X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"1306","chapter":"3B","title":"Using geospatial technology to process 911 calls after Hurricanes Katrina and Rita","docAbstract":"The flooding that ensued in the Greater New Orleans area after Hurricane Katrina left thousands of victims trapped and in need of emergency rescue. This paper describes the processing of raw 911-call data into search and rescue products used by emergency responders after the storm.","largerWorkType":{"id":18,"text":"Report"},"largerWorkTitle":"Science and the storms-the USGS response to the hurricanes of 2005 (Circular 1306)","largerWorkSubtype":{"id":5,"text":"USGS Numbered Series"},"language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/cir13063B","collaboration":"This report is Chapter 3B in Science and the storms-the USGS response to the hurricanes of 2005. See Circular 1306 for more information and other chapters.","usgsCitation":"Conzelmann, C.P., Sleavin, W., and Couvillion, B.R., 2007, Using geospatial technology to process 911 calls after Hurricanes Katrina and Rita: U.S. Geological Survey Circular 1306, 6 p., https://doi.org/10.3133/cir13063B.","productDescription":"6 p.","startPage":"21","endPage":"26","numberOfPages":"6","costCenters":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":265720,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/cir_1306_3b.jpg"},{"id":265719,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/circ/1306/"},{"id":265718,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/circ/1306/pdf/c1306_ch3_b1.pdf"}],"country":"United States","state":"Louisiana","city":"New Orleans","otherGeospatial":"Hurricane Katrina","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -90.138,29.869 ], [ -90.138,30.175 ], [ -89.627,30.175 ], [ -89.627,29.869 ], [ -90.138,29.869 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"50f68898e4b0f5392eb7e7e1","contributors":{"authors":[{"text":"Conzelmann, Craig P. 0000-0002-4227-8719","orcid":"https://orcid.org/0000-0002-4227-8719","contributorId":92137,"corporation":false,"usgs":true,"family":"Conzelmann","given":"Craig","email":"","middleInitial":"P.","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":false,"id":471947,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sleavin, William 0000-0002-1269-7525","orcid":"https://orcid.org/0000-0002-1269-7525","contributorId":69696,"corporation":false,"usgs":true,"family":"Sleavin","given":"William","affiliations":[],"preferred":false,"id":471946,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Couvillion, Brady R. 0000-0001-5323-1687 couvillionb@usgs.gov","orcid":"https://orcid.org/0000-0001-5323-1687","contributorId":3829,"corporation":false,"usgs":true,"family":"Couvillion","given":"Brady","email":"couvillionb@usgs.gov","middleInitial":"R.","affiliations":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true}],"preferred":false,"id":471945,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70032796,"text":"70032796 - 2007 - Phase equilibria constraints on the chemical and physical evolution of the campanian ignimbrite","interactions":[],"lastModifiedDate":"2012-03-12T17:21:24","indexId":"70032796","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2420,"text":"Journal of Petrology","active":true,"publicationSubtype":{"id":10}},"title":"Phase equilibria constraints on the chemical and physical evolution of the campanian ignimbrite","docAbstract":"The Campanian Ignimbrite is a > 200 km3 trachyte-phonolite pyroclastic deposit that erupted at 39.3 ?? 0.1 ka within the Campi Flegrei west of Naples, Italy. Here we test the hypothesis that Campanian Ignimbrite magma was derived by isobaric crystal fractionation of a parental basaltic trachyandesitic melt that reacted and came into local equilibrium with small amounts (5-10 wt%) of crustal rock (skarns and foid-syenites) during crystallization. Comparison of observed crystal and magma compositions with results of phase equilibria assimilation-fractionation simulations (MELTS) is generally very good. Oxygen fugacity was approximately buffered along QFM+1 (where QFM is the quartz-fayalite-magnetite buffer) during isobaric fractionation at 0.15 GPa (???6 km depth). The parental melt, reconstructed from melt inclusion and host clinopyroxene compositions, is found to be basaltic trachyandesite liquid (51.1 wt% SiO2, 9.3 wt% MgO, 3 wt% H2O). A significant feature of phase equilibria simulations is the existence of a pseudo-invariant temperature, ???883??C, at which the fraction of melt remaining in the system decreases abruptly from ???0.5 to < 0.1. Crystallization at the pseudo-invariant point leads to abrupt changes in the composition, properties (density, dissolved water content), and physical state (viscosity, volume fraction fluid) of melt and magma. A dramatic decrease in melt viscosity (from 1700 Pa s to ???200 Pa s), coupled with a change in the volume fraction of water in magma (from ??? 0.1 to 0.8) and a dramatic decrease in melt and magma density acted as a destabilizing eruption trigger. Thermal models suggest a timescale of ??? 200 kyr from the beginning of fractionation until eruption, leading to an apparent rate of evolved magma generation of about 10-3 km3/year. In situ crystallization and crystal settling in density-stratified regions, as well as in convectively mixed, less evolved subjacent magma, operate rapidly enough to match this apparent volumetric rate of evolved magma production. ?? Copyright 2007 Oxford University Press.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Petrology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1093/petrology/egl068","issn":"00223530","usgsCitation":"Fowler, S.J., Spera, F., Bohrson, W., Belkin, H., and de Vivo, B., 2007, Phase equilibria constraints on the chemical and physical evolution of the campanian ignimbrite: Journal of Petrology, v. 48, no. 3, p. 459-493, https://doi.org/10.1093/petrology/egl068.","startPage":"459","endPage":"493","numberOfPages":"35","costCenters":[],"links":[{"id":477036,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1093/petrology/egl068","text":"Publisher Index Page"},{"id":241430,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":213772,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1093/petrology/egl068"}],"volume":"48","issue":"3","noUsgsAuthors":false,"publicationDate":"2006-11-13","publicationStatus":"PW","scienceBaseUri":"505a787ae4b0c8380cd786e4","contributors":{"authors":[{"text":"Fowler, S. J.","contributorId":18586,"corporation":false,"usgs":false,"family":"Fowler","given":"S.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":437944,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Spera, F. J.","contributorId":89315,"corporation":false,"usgs":false,"family":"Spera","given":"F. J.","affiliations":[],"preferred":false,"id":437947,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bohrson, W.A.","contributorId":102092,"corporation":false,"usgs":false,"family":"Bohrson","given":"W.A.","affiliations":[],"preferred":false,"id":437948,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Belkin, H. E. 0000-0001-7879-6529","orcid":"https://orcid.org/0000-0001-7879-6529","contributorId":38160,"corporation":false,"usgs":true,"family":"Belkin","given":"H. E.","affiliations":[],"preferred":false,"id":437945,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"de Vivo, B.","contributorId":50549,"corporation":false,"usgs":false,"family":"de Vivo","given":"B.","affiliations":[],"preferred":false,"id":437946,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70033074,"text":"70033074 - 2007 - Flocculation, heavy metals (Cu, Pb, Zn) and the sand-mud transition on the Adriatic continental shelf, Italy","interactions":[],"lastModifiedDate":"2012-03-12T17:21:23","indexId":"70033074","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1333,"text":"Continental Shelf Research","active":true,"publicationSubtype":{"id":10}},"title":"Flocculation, heavy metals (Cu, Pb, Zn) and the sand-mud transition on the Adriatic continental shelf, Italy","docAbstract":"Across a limited depth range (5-10 m) on many continental shelves, the dominant sediment size changes from sand to mud. This important boundary, called the sand-mud transition (SMT), separates distinct benthic habitats, causes a significant change in acoustic backscatter, represents a key facies change, and delimits more surface-reactive mud from less surface-reactive sand. With the goal of improving dynamical understanding of the SMT, surficial sediments were characterized across two SMTs on the Adriatic continental shelf of Italy. Geometric mean diameter, specific surface area (SSA), mud fraction (<63 ??m) and heavy metal concentrations were all measured. The SMT related to the Tronto River is identified between 15 and 20 m water depth while the SMT associated with the Pescara River varies between 15 and 25 m water depth. The sediment properties correlate with a new, process-based sedimentological parameter that quantifies the fraction of the sediment in the seabed that was delivered as flocs. These correlations suggest that floc dynamics exert strong influence over sediment textural properties and metal concentrations. Relative constancy in the depth of the SMT along this portion of the margin and its lack of evolution over a period during which sediment input to the margin has dramatically decreased suggest that on the Adriatic continental shelf energy is the dominant control on the depth of the SMT. ?? 2006 Elsevier Ltd. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Continental Shelf Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.csr.2005.06.013","issn":"02784343","usgsCitation":"George, D., Hill, P., and Milligan, T., 2007, Flocculation, heavy metals (Cu, Pb, Zn) and the sand-mud transition on the Adriatic continental shelf, Italy: Continental Shelf Research, v. 27, no. 3-4, p. 475-488, https://doi.org/10.1016/j.csr.2005.06.013.","startPage":"475","endPage":"488","numberOfPages":"14","costCenters":[],"links":[{"id":213553,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.csr.2005.06.013"},{"id":241187,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"27","issue":"3-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a10dce4b0c8380cd53e33","contributors":{"authors":[{"text":"George, D.A.","contributorId":43897,"corporation":false,"usgs":true,"family":"George","given":"D.A.","email":"","affiliations":[],"preferred":false,"id":439277,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hill, P.S.","contributorId":48683,"corporation":false,"usgs":true,"family":"Hill","given":"P.S.","email":"","affiliations":[],"preferred":false,"id":439278,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Milligan, T.G.","contributorId":87366,"corporation":false,"usgs":true,"family":"Milligan","given":"T.G.","email":"","affiliations":[],"preferred":false,"id":439279,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70032993,"text":"70032993 - 2007 - Short-term aftershock probabilities: Case studies in California","interactions":[],"lastModifiedDate":"2012-03-12T17:21:38","indexId":"70032993","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3372,"text":"Seismological Research Letters","onlineIssn":"1938-2057","printIssn":"0895-0695","active":true,"publicationSubtype":{"id":10}},"title":"Short-term aftershock probabilities: Case studies in California","docAbstract":"[No abstract available]","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Seismological Research Letters","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1785/gssrl.78.1.66","issn":"08950695","usgsCitation":"Gerstenberger, M., Jones, L., and Wiemer, S., 2007, Short-term aftershock probabilities: Case studies in California: Seismological Research Letters, v. 78, no. 1, p. 66-77, https://doi.org/10.1785/gssrl.78.1.66.","startPage":"66","endPage":"77","numberOfPages":"12","costCenters":[],"links":[{"id":213270,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1785/gssrl.78.1.66"},{"id":240879,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"78","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b8eade4b08c986b318a9e","contributors":{"authors":[{"text":"Gerstenberger, M.C.","contributorId":51977,"corporation":false,"usgs":true,"family":"Gerstenberger","given":"M.C.","email":"","affiliations":[],"preferred":false,"id":438869,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jones, L.M.","contributorId":61433,"corporation":false,"usgs":true,"family":"Jones","given":"L.M.","email":"","affiliations":[],"preferred":false,"id":438870,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wiemer, S.","contributorId":22115,"corporation":false,"usgs":true,"family":"Wiemer","given":"S.","affiliations":[],"preferred":false,"id":438868,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70033115,"text":"70033115 - 2007 - Optimizing remote sensing and GIS tools for mapping and managing the distribution of an invasive mangrove (Rhizophora mangle) on South Molokai, Hawaii","interactions":[],"lastModifiedDate":"2012-03-12T17:21:23","indexId":"70033115","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2666,"text":"Marine Geodesy","active":true,"publicationSubtype":{"id":10}},"title":"Optimizing remote sensing and GIS tools for mapping and managing the distribution of an invasive mangrove (Rhizophora mangle) on South Molokai, Hawaii","docAbstract":"In 1902, the Florida red mangrove, Rhizophora mangle L., was introduced to the island of Molokai, Hawaii, and has since colonized nearly 25% of the south coast shoreline. By classifying three kinds of remote sensing imagery, we compared abilities to detect invasive mangrove distributions and to discriminate mangroves from surrounding terrestrial vegetation. Using three analytical techniques, we compared mangrove mapping accuracy for various sensor-technique combinations. ANOVA of accuracy assessments demonstrated significant differences among techniques, but no significant differences among the three sensors. We summarize advantages and disadvantages of each sensor and technique for mapping mangrove distributions in tropical coastal environments.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Marine Geodesy","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1080/01490410701296663","issn":"01490419","usgsCitation":"D'Iorio, M., Jupiter, S., Cochran, S., and Potts, D., 2007, Optimizing remote sensing and GIS tools for mapping and managing the distribution of an invasive mangrove (Rhizophora mangle) on South Molokai, Hawaii: Marine Geodesy, v. 30, no. 1-2, p. 125-144, https://doi.org/10.1080/01490410701296663.","startPage":"125","endPage":"144","numberOfPages":"20","costCenters":[],"links":[{"id":213557,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1080/01490410701296663"},{"id":241191,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"30","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a6f09e4b0c8380cd75907","contributors":{"authors":[{"text":"D'Iorio, M.","contributorId":62416,"corporation":false,"usgs":true,"family":"D'Iorio","given":"M.","affiliations":[],"preferred":false,"id":439437,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jupiter, S.D.","contributorId":94507,"corporation":false,"usgs":true,"family":"Jupiter","given":"S.D.","affiliations":[],"preferred":false,"id":439438,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cochran, S.A.","contributorId":97540,"corporation":false,"usgs":true,"family":"Cochran","given":"S.A.","email":"","affiliations":[],"preferred":false,"id":439439,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Potts, D.C.","contributorId":45908,"corporation":false,"usgs":true,"family":"Potts","given":"D.C.","email":"","affiliations":[],"preferred":false,"id":439436,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70032832,"text":"70032832 - 2007 - Distribution and abundance of zooplankton populations in Crater Lake, Oregon","interactions":[],"lastModifiedDate":"2017-11-15T13:38:04","indexId":"70032832","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1919,"text":"Hydrobiologia","onlineIssn":"1573-5117","printIssn":"0018-8158","active":true,"publicationSubtype":{"id":10}},"title":"Distribution and abundance of zooplankton populations in Crater Lake, Oregon","docAbstract":"The zooplankton assemblages in Crater Lake exhibited consistency in species richness and general taxonomic composition, but varied in density and biomass during the period between 1988 and 2000. Collectively, the assemblages included 2 cladoceran taxa and 10 rotifer taxa (excluding rare taxa). Vertical habitat partitioning of the water column to a depth of 200 m was observed for most species with similar food habits and/or feeding mechanisms. No congeneric replacement was observed. The dominant species in the assemblages were variable, switching primarily between periods of dominance of Polyarthra-Keratella cochlearis and Daphnia. The unexpected occurrence and dominance of Asplanchna in 1991 and 1992 resulted in a major change in this typical temporal shift between Polyarthra-K. cochlearis and Daphnia. Following a collapse of the zooplankton biomass in 1993 that was probably caused by predation from Asplanchna, Kellicottia dominated the zooplankton assemblage biomass between 1994 and 1997. The decline in biomass of Kellicottia by 1998 coincided with a dramatic increase in Daphnia biomass. When Daphnia biomass declined by 2000, Keratella biomass increased again. Thus, by 1998 the assemblage returned to the typical shift between Keratella-Polyarthra and Daphnia. Although these observations provided considerable insight about the interannual variability of the zooplankton assemblages in Crater Lake, little was discovered about mechanisms behind the variability. When abundant, kokanee salmon may have played an important role in the disappearance of Daphnia in 1990 and 2000 either through predation, inducing diapause, or both. ?? 2007 Springer Science+Business Media B.V.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Hydrobiologia","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1007/s10750-006-0354-2","issn":"00188158","usgsCitation":"Larson, G., McIntire, C.D., Buktenica, M., Girdner, S., and Truitt, R., 2007, Distribution and abundance of zooplankton populations in Crater Lake, Oregon: Hydrobiologia, v. 574, no. 1, p. 217-233, https://doi.org/10.1007/s10750-006-0354-2.","startPage":"217","endPage":"233","numberOfPages":"17","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"links":[{"id":241499,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":213838,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s10750-006-0354-2"}],"volume":"574","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a027ae4b0c8380cd50071","contributors":{"authors":[{"text":"Larson, G.L.","contributorId":103021,"corporation":false,"usgs":true,"family":"Larson","given":"G.L.","email":"","affiliations":[],"preferred":false,"id":438160,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McIntire, C. D.","contributorId":35274,"corporation":false,"usgs":false,"family":"McIntire","given":"C.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":438157,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Buktenica, M.W.","contributorId":68263,"corporation":false,"usgs":true,"family":"Buktenica","given":"M.W.","affiliations":[],"preferred":false,"id":438158,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Girdner, S.F.","contributorId":71773,"corporation":false,"usgs":true,"family":"Girdner","given":"S.F.","affiliations":[],"preferred":false,"id":438159,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Truitt, R.E.","contributorId":23901,"corporation":false,"usgs":true,"family":"Truitt","given":"R.E.","email":"","affiliations":[],"preferred":false,"id":438156,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70033212,"text":"70033212 - 2007 - Thermal, chemical, and optical properties of Crater Lake, Oregon","interactions":[],"lastModifiedDate":"2017-11-15T09:58:12","indexId":"70033212","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1919,"text":"Hydrobiologia","onlineIssn":"1573-5117","printIssn":"0018-8158","active":true,"publicationSubtype":{"id":10}},"title":"Thermal, chemical, and optical properties of Crater Lake, Oregon","docAbstract":"Crater Lake covers the floor of the Mount Mazama caldera that formed 7700 years ago. The lake has a surface area of 53 km2 and a maximum depth of 594 m. There is no outlet stream and surface inflow is limited to small streams and springs. Owing to its great volume and heat, the lake is not covered by snow and ice in winter unlike other lakes in the Cascade Range. The lake is isothermal in winter except for a slight increase in temperature in the deep lake from hyperadiabatic processes and inflow of hydrothermal fluids. During winter and spring the water column mixes to a depth of about 200-250 m from wind energy and convection. Circulation of the deep lake occurs periodically in winter and spring when cold, near-surface waters sink to the lake bottom; a process that results in the upwelling of nutrients, especially nitrate-N, into the upper strata of the lake. Thermal stratification occurs in late summer and fall. The maximum thickness of the epilimnion is about 20 m and the metalimnion extends to a depth of about 100 m. Thus, most of the lake volume is a cold hypolimnion. The year-round near-bottom temperature is about 3.5??C. Overall, hydrothermal fluids define and temporally maintain the basic water quality characteristics of the lake (e.g., pH, alkalinity and conductivity). Total phosphorus and orthophosphate-P concentrations are fairly uniform throughout the water column, where as total Kjeldahl-N and ammonia-N are highest in concentration in the upper lake. Concentrations of nitrate-N increase with depth below 200 m. No long-term changes in water quality have been detected. Secchi disk (20-cm) clarity varied seasonally and annually, but was typically highest in June and lowest in August. During the current study, August Secchi disk clarity readings averaged about 30 m. The maximum individual clarity reading was 41.5 m in June 1997. The lowest reading was 18.1 m in July 1995. From 1896 (white-dinner plate) to 2003, the average August Secchi disk reading was about 30 m. No long-term changes in the Secchi disk clarity were observed. Average turbidity of the water column (2-550 m) between June and September from 1991 to 2000 as measured by a transmissometer ranged between 88.8% and 90.7%. The depth of 1% of the incident solar radiation during thermal stratification varied annually between 80 m and 100 m. Both of these measurements provided additional evidence about the exceptional clarity of Crater Lake. ?? 2007 Springer Science+Business Media B.V.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Hydrobiologia","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1007/s10750-006-0346-2","issn":"00188158","usgsCitation":"Larson, G., Hoffman, R., McIntire, D.C., Buktenica, M., and Girdner, S., 2007, Thermal, chemical, and optical properties of Crater Lake, Oregon: Hydrobiologia, v. 574, no. 1, p. 69-84, https://doi.org/10.1007/s10750-006-0346-2.","startPage":"69","endPage":"84","numberOfPages":"16","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"links":[{"id":241164,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":213534,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s10750-006-0346-2"}],"volume":"574","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bb264e4b08c986b32578f","contributors":{"authors":[{"text":"Larson, G.L.","contributorId":103021,"corporation":false,"usgs":true,"family":"Larson","given":"G.L.","email":"","affiliations":[],"preferred":false,"id":439857,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hoffman, R.L.","contributorId":28778,"corporation":false,"usgs":true,"family":"Hoffman","given":"R.L.","email":"","affiliations":[],"preferred":false,"id":439853,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McIntire, D. C.","contributorId":93710,"corporation":false,"usgs":true,"family":"McIntire","given":"D.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":439856,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Buktenica, M.W.","contributorId":68263,"corporation":false,"usgs":true,"family":"Buktenica","given":"M.W.","affiliations":[],"preferred":false,"id":439854,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Girdner, S.F.","contributorId":71773,"corporation":false,"usgs":true,"family":"Girdner","given":"S.F.","affiliations":[],"preferred":false,"id":439855,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70009844,"text":"70009844 - 2007 - A rapid method to characterize seabed habitats and associated macro-organisms","interactions":[],"lastModifiedDate":"2012-03-12T17:18:20","indexId":"70009844","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3458,"text":"Special Paper - Geological Association of Canada","active":true,"publicationSubtype":{"id":10}},"title":"A rapid method to characterize seabed habitats and associated macro-organisms","docAbstract":"This study presents a method for rapidly collecting, processing, and interrogating real-time abiotic and biotic seabed data to determine seabed habitat classifications. This is done from data collected over a large area of an acoustically derived seabed map, along multidirectional transects, using a towed small camera-sled. The seabed, within the newly designated Point Harris Marine Reserve on the northern coast of San Miguel Island, California, was acoustically imaged using sidescan sonar then ground-truthed using a towed small camera-sled. Seabed characterizations were made from video observations, and were logged to a laptop computer (PC) in real time. To ground-truth the acoustic mosaic, and to characterize abiotic and biotic aspects of the seabed, a three-tiered characterization scheme was employed that described the substratum type, physical structure (i.e., bedform or vertical relief), and the occurrence of benthic macrofauna and flora. A crucial advantage of the method described here, is that preliminary seabed characterizations can be interrogated and mapped over the sidescan mosaic and other seabed information within hours of data collection. This ability to rapidly process seabed data is invaluable to scientists and managers, particularly in modifying concurrent or planning subsequent surveys.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Special Paper - Geological Association of Canada","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"00721042","isbn":"9781897095331","usgsCitation":"Anderson, T., Cochrane, G., Roberts, D., Chezar, H., and Hatcher, G., 2007, A rapid method to characterize seabed habitats and associated macro-organisms: Special Paper - Geological Association of Canada, no. 47, p. 71-79.","startPage":"71","endPage":"79","numberOfPages":"9","costCenters":[],"links":[{"id":218829,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"issue":"47","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e52de4b0c8380cd46bb0","contributors":{"editors":[{"text":"Todd B.J.Greene H.G.","contributorId":128294,"corporation":true,"usgs":false,"organization":"Todd B.J.Greene H.G.","id":536240,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"Anderson, T.J.","contributorId":63157,"corporation":false,"usgs":true,"family":"Anderson","given":"T.J.","email":"","affiliations":[],"preferred":false,"id":357270,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cochrane, G.R.","contributorId":104002,"corporation":false,"usgs":true,"family":"Cochrane","given":"G.R.","email":"","affiliations":[],"preferred":false,"id":357272,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Roberts, D.A.","contributorId":74505,"corporation":false,"usgs":true,"family":"Roberts","given":"D.A.","email":"","affiliations":[],"preferred":false,"id":357271,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Chezar, H.","contributorId":52321,"corporation":false,"usgs":true,"family":"Chezar","given":"H.","email":"","affiliations":[],"preferred":false,"id":357269,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hatcher, G.","contributorId":29127,"corporation":false,"usgs":true,"family":"Hatcher","given":"G.","email":"","affiliations":[],"preferred":false,"id":357268,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70032144,"text":"70032144 - 2007 - Reconstructing the response of C3 and C4 plants to decadal-scale climate change during the late Pleistocene in southern Illinois using isotopic analyses of calcified rootlets","interactions":[],"lastModifiedDate":"2012-03-12T17:21:55","indexId":"70032144","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3218,"text":"Quaternary Research","active":true,"publicationSubtype":{"id":10}},"title":"Reconstructing the response of C3 and C4 plants to decadal-scale climate change during the late Pleistocene in southern Illinois using isotopic analyses of calcified rootlets","docAbstract":"The ??13C and ??18O values of well-preserved carbonate rhizoliths (CRs) provide detailed insights into changes in the abundance of C3 and C4 plants in response to approximately decadal-scale changes in growing-season climate. We performed stable isotope analyses on 35-40 CRs sampled at 1-cm intervals from an 18-cm-thick paleosol formed in southern Illinois during Wisconsin interstadial 2. Minimum ??13C values show little variation with depth, whereas maximum values vary dramatically, and average values show noticeable variability; maximum ??18O values vary less than the minimum ??18O values. These findings indicate that a diverse and stable C3 flora with a limited number of C4 grass species prevailed during this interval, and suggest that the maximum growing-season temperatures were relatively stable, but minimum growing-season temperatures varied considerably. Two general patterns characterize the relationships between the ??13C and ??18O values obtained from the 1-cm samples. In some cases, low ??13C values correspond to low ??18O values and high ??13C values correspond to high ??18O values, suggesting that cooler growing-season temperatures favored C3 and warmer growing-season temperatures favored C4 plants. In other cases, low ??13C values correspond to high ??18O values, likely suggesting that wetter growing-season conditions were favorable to C3 plants. The high density of well-preserved CRs in this paleosol provides a unique opportunity to study detailed ecological responses to high-resolution variability in growing-season climate. ?? 2006 University of Washington.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Quaternary Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.yqres.2006.10.001","issn":"00335894","usgsCitation":"Wang, H., and Greenberg, S., 2007, Reconstructing the response of C3 and C4 plants to decadal-scale climate change during the late Pleistocene in southern Illinois using isotopic analyses of calcified rootlets: Quaternary Research, v. 67, no. 1, p. 136-142, https://doi.org/10.1016/j.yqres.2006.10.001.","startPage":"136","endPage":"142","numberOfPages":"7","costCenters":[],"links":[{"id":215064,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.yqres.2006.10.001"},{"id":242833,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"67","issue":"1","noUsgsAuthors":false,"publicationDate":"2017-01-20","publicationStatus":"PW","scienceBaseUri":"50e4a256e4b0e8fec6cdb586","contributors":{"authors":[{"text":"Wang, Hongfang","contributorId":92635,"corporation":false,"usgs":true,"family":"Wang","given":"Hongfang","email":"","affiliations":[],"preferred":false,"id":434716,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Greenberg, S.E.","contributorId":56441,"corporation":false,"usgs":true,"family":"Greenberg","given":"S.E.","email":"","affiliations":[],"preferred":false,"id":434715,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70029985,"text":"70029985 - 2007 - Biology and impacts of Pacific island invasive species. 2. Boiga irregularis, the Brown Tree Snake (Reptilia: Colubridae)","interactions":[],"lastModifiedDate":"2013-11-15T10:29:57","indexId":"70029985","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2990,"text":"Pacific Science","active":true,"publicationSubtype":{"id":10}},"title":"Biology and impacts of Pacific island invasive species. 2. Boiga irregularis, the Brown Tree Snake (Reptilia: Colubridae)","docAbstract":"The Brown Tree Snake, Boiga irregularis (Merrem, 1802), was accidentally transported to the island of Guam shortly after World War II. Over the following two decades it spread throughout the island with little public or professional recognition of its extent or impacts. This secretive nocturnal arboreal snake occurs in all habitats on Guam, from grasslands to forests. Under the right conditions, it is capable of high rates of reproduction and population growth. The Brown Tree Snake caused the extirpation of 13 of Guam's 22 native breeding birds and contributed to the extirpation of several species of native bats and lizards. Guam's 12 forest birds were especially impacted, with 10 species eliminated and the other two severely reduced. In addition, the snake continues to substantially impact domestic poultry, pets, the island's electrical power infrastructure, and human health. To protect other vulnerable Pacific islands, the U.S. government annually spends several million dollars inspecting cargo outbound from Guam to exclude Brown Tree Snakes. Cargo destinations most at risk are in Micronesia, especially the Northern Mariana Islands, but Guam also has direct air transportation links to Hawai'i that will soon be supplemented with direct ship traffic. Ultimately, all Pacific islands are at risk but especially those obtaining cargo through Guam. ?? 2007 by University of Hawai'i Press. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Pacific Science","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"University of Hawai'i Press","doi":"10.2984/1534-6188(2007)61[307:BAIOPI]2.0.CO;2","issn":"00308870","usgsCitation":"Rodda, G.H., and Savidge, J., 2007, Biology and impacts of Pacific island invasive species. 2. Boiga irregularis, the Brown Tree Snake (Reptilia: Colubridae): Pacific Science, v. 61, no. 3, p. 307-324, https://doi.org/10.2984/1534-6188(2007)61[307:BAIOPI]2.0.CO;2.","startPage":"307","endPage":"324","numberOfPages":"18","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":477027,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2984/1534-6188(2007)61[307:baiopi]2.0.co;2","text":"Publisher Index Page"},{"id":212959,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.2984/1534-6188(2007)61[307:BAIOPI]2.0.CO;2"},{"id":240530,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"61","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f173e4b0c8380cd4ac7f","contributors":{"authors":[{"text":"Rodda, Gordon H. roddag@usgs.gov","contributorId":3196,"corporation":false,"usgs":true,"family":"Rodda","given":"Gordon","email":"roddag@usgs.gov","middleInitial":"H.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":425180,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Savidge, Julie A.","contributorId":10225,"corporation":false,"usgs":true,"family":"Savidge","given":"Julie A.","affiliations":[],"preferred":false,"id":425181,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70042708,"text":"cir13063F - 2007 - Hurricane Katrina flooding and oil slicks mapped with satellite imagery","interactions":[],"lastModifiedDate":"2019-06-18T12:12:46","indexId":"cir13063F","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":307,"text":"Circular","code":"CIR","onlineIssn":"2330-5703","printIssn":"1067-084X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"1306","chapter":"3F","title":"Hurricane Katrina flooding and oil slicks mapped with satellite imagery","docAbstract":"A multiple-database approach that combined remotely sensed data from Radarsat-1 and Landsat Thematic Mapper Plus (ETM+) imagery was used to map Hurricane Katrinainduced flooding and to identify offshore oil slicks. Maps depicting the areal extent of flooding, oil slicks, and floating debris provide vital information to emergency managers for directing floodrelief efforts and the clean-up of polluted waters.","largerWorkType":{"id":18,"text":"Report"},"largerWorkTitle":"Science and the storms-the USGS response to the hurricanes of 2005 (Circular 1306)","largerWorkSubtype":{"id":5,"text":"USGS Numbered Series"},"language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/cir13063F","collaboration":"This report is Chapter 3F in Science and the storms-the USGS response to the hurricanes of 2005. See Circular 1306 for more information and other chapters.","usgsCitation":"Rykhus, R.P., and Lu, Z., 2007, Hurricane Katrina flooding and oil slicks mapped with satellite imagery: U.S. Geological Survey Circular 1306, 4 p., https://doi.org/10.3133/cir13063F.","productDescription":"4 p.","startPage":"49","endPage":"52","numberOfPages":"4","costCenters":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":265899,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/cir_1306_3f.jpg"},{"id":265897,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/circ/1306/"},{"id":265898,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/circ/1306/pdf/c1306_ch3_f.pdf"}],"country":"United States","otherGeospatial":"Gulf Of Mexico","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -91.44,28.55 ], [ -91.44,30.4 ], [ -87.6,30.4 ], [ -87.6,28.55 ], [ -91.44,28.55 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"50fa7d61e4b061045bf9ac7f","contributors":{"authors":[{"text":"Rykhus, Russell P.","contributorId":27337,"corporation":false,"usgs":true,"family":"Rykhus","given":"Russell","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":472095,"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":472094,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70032121,"text":"70032121 - 2007 - Alpine debris flows triggered by a 28 July 1999 thunderstorm in the central Front Range, Colorado","interactions":[],"lastModifiedDate":"2012-03-12T17:21:29","indexId":"70032121","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1801,"text":"Geomorphology","active":true,"publicationSubtype":{"id":10}},"title":"Alpine debris flows triggered by a 28 July 1999 thunderstorm in the central Front Range, Colorado","docAbstract":"On 28 July 1999, about 480 alpine debris flows were triggered by an afternoon thunderstorm along the Continental Divide in Clear Creek and Summit counties in the central Front Range of Colorado. The thunderstorm produced about 43??mm of rain in 4??h, 35??mm of which fell in the first 2??h. Several debris flows triggered by the storm impacted Interstate Highway 70, U.S. Highway 6, and the Arapahoe Basin ski area. We mapped the debris flows from color aerial photography and inspected many of them in the field. Three processes initiated debris flows. The first process initiated 11% of the debris flows and involved the mobilization of shallow landslides in thick, often well vegetated, colluvium. The second process, which was responsible for 79% of the flows, was the transport of material eroded from steep unvegetated hillslopes via a system of coalescing rills. The third, which has been termed the \"firehose effect,\" initiated 10% of the debris flows and occurred where overland flow became concentrated in steep bedrock channels and scoured debris from talus deposits and the heads of debris fans. These three processes initiated high on steep hillsides (> 30??) in catchments with small contributing areas (< 8000??m2), however, shallow landslides occurred on slopes that were significantly less steep than either overland flow process. Based on field observations and examination of soils mapping of the northern part of the study area, we identified a relation between the degree of soil development and the process type that generated debris flows. In general, areas with greater soil development were less likely to generate runoff and therefore less likely to generate debris flows by the firehose effect or by rilling. The character of the surficial cover and the spatially variable hydrologic response to intense rainfall, rather than a threshold of contributing area and topographic slope, appears to control the initiation process in the high alpine of the Front Range. Because debris flows initiated by rilling and the firehose effect tend to increase in volume as they travel downslope, these debris flows are potentially more hazardous than those initiated by shallow landslides, which tend to deposit material along their paths. ?? 2006 Elsevier B.V. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geomorphology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.geomorph.2006.07.009","issn":"0169555X","usgsCitation":"Godt, J., and Coe, J.A., 2007, Alpine debris flows triggered by a 28 July 1999 thunderstorm in the central Front Range, Colorado: Geomorphology, v. 84, no. 1-2, p. 80-97, https://doi.org/10.1016/j.geomorph.2006.07.009.","startPage":"80","endPage":"97","numberOfPages":"18","costCenters":[],"links":[{"id":214721,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.geomorph.2006.07.009"},{"id":242471,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"84","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e974e4b0c8380cd482c1","contributors":{"authors":[{"text":"Godt, J. W.","contributorId":76732,"corporation":false,"usgs":true,"family":"Godt","given":"J. W.","affiliations":[],"preferred":false,"id":434616,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Coe, J. A.","contributorId":8867,"corporation":false,"usgs":true,"family":"Coe","given":"J.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":434615,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70032799,"text":"70032799 - 2007 - Temporal and spatial aspects of peatland initiation following deglaciation in North America","interactions":[],"lastModifiedDate":"2012-03-12T17:21:24","indexId":"70032799","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3219,"text":"Quaternary Science Reviews","active":true,"publicationSubtype":{"id":10}},"title":"Temporal and spatial aspects of peatland initiation following deglaciation in North America","docAbstract":"A set of simple ecological models accounts well for the cumulative initiation of peatlands throughout North America in relation to glacial retreat. The most parsimonious form incorporates, first, a delay term to account for the lag during which newly deglaciated land became suitable for peatland initiation and, second, an intrinsic rate of initiation related to the probability of migration and establishment of plant propagules from elsewhere. The goodness of fit of the models, based on 1680 basal-peat dates throughout the continent, allows projection of past trends into the future. Factors contributing to the lag of about 4000 years between deglaciation and peatland initiation are suggested and data on colonization of deglaciated land by beavers (known to initiate peatlands) are presented. The rate of peatland initiation peaked between 7000 and 8000 years ago, but remains appreciable today. A marked depression of peatland initiation (8360-8040 BP) interrupted the peak rate. The time of the interruption matches the 8200 BP cold-dry event recorded in Greenland ice cores, and suggests that this event caused a substantial, continent-wide depression of an important ecosystem function, i.e., carbon sequestration from the atmosphere by peat deposition. Spontaneous initiation of new peatlands is projected to continue for millennia to come. ?? 2006 Elsevier Ltd. All rights reserved.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Quaternary Science Reviews","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/j.quascirev.2006.08.008","issn":"02773791","usgsCitation":"Gorham, E., Lehman, C., Dyke, A., Janssens, J., and Dyke, L., 2007, Temporal and spatial aspects of peatland initiation following deglaciation in North America: Quaternary Science Reviews, v. 26, no. 3-4, p. 300-311, https://doi.org/10.1016/j.quascirev.2006.08.008.","startPage":"300","endPage":"311","numberOfPages":"12","costCenters":[],"links":[{"id":241497,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":213836,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.quascirev.2006.08.008"}],"volume":"26","issue":"3-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505ba4ece4b08c986b32068a","contributors":{"authors":[{"text":"Gorham, E.","contributorId":35501,"corporation":false,"usgs":true,"family":"Gorham","given":"E.","email":"","affiliations":[],"preferred":false,"id":437959,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lehman, C.","contributorId":75342,"corporation":false,"usgs":true,"family":"Lehman","given":"C.","email":"","affiliations":[],"preferred":false,"id":437963,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dyke, A.","contributorId":49190,"corporation":false,"usgs":true,"family":"Dyke","given":"A.","affiliations":[],"preferred":false,"id":437961,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Janssens, J.","contributorId":65291,"corporation":false,"usgs":true,"family":"Janssens","given":"J.","email":"","affiliations":[],"preferred":false,"id":437962,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Dyke, L.","contributorId":45910,"corporation":false,"usgs":true,"family":"Dyke","given":"L.","email":"","affiliations":[],"preferred":false,"id":437960,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70032083,"text":"70032083 - 2007 - Time for a change: Revision of the process for judging student presentations","interactions":[],"lastModifiedDate":"2012-03-12T17:21:29","indexId":"70032083","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Time for a change: Revision of the process for judging student presentations","docAbstract":"[No abstract available]","largerWorkTitle":"Fisheries","language":"English","issn":"03632415","usgsCitation":"Sutton, T., Parrish, D., and Jackson, J., 2007, Time for a change: Revision of the process for judging student presentations, in Fisheries, v. 32, no. 1, p. 42-43.","startPage":"42","endPage":"43","numberOfPages":"2","costCenters":[],"links":[{"id":242469,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"32","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bb39be4b08c986b325ec1","contributors":{"authors":[{"text":"Sutton, T.M.","contributorId":72193,"corporation":false,"usgs":true,"family":"Sutton","given":"T.M.","email":"","affiliations":[],"preferred":false,"id":434463,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Parrish, D.L.","contributorId":15144,"corporation":false,"usgs":true,"family":"Parrish","given":"D.L.","email":"","affiliations":[],"preferred":false,"id":434462,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jackson, J.R.","contributorId":102273,"corporation":false,"usgs":true,"family":"Jackson","given":"J.R.","email":"","affiliations":[],"preferred":false,"id":434464,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70032082,"text":"70032082 - 2007 - RELM testing center","interactions":[],"lastModifiedDate":"2012-03-12T17:21:28","indexId":"70032082","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3372,"text":"Seismological Research Letters","onlineIssn":"1938-2057","printIssn":"0895-0695","active":true,"publicationSubtype":{"id":10}},"title":"RELM testing center","docAbstract":"[No abstract available]","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Seismological Research Letters","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1785/gssrl.78.1.30","issn":"08950695","usgsCitation":"Schorlemmer, D., and Gerstenberger, M., 2007, RELM testing center: Seismological Research Letters, v. 78, no. 1, p. 30-36, https://doi.org/10.1785/gssrl.78.1.30.","startPage":"30","endPage":"36","numberOfPages":"7","costCenters":[],"links":[{"id":214719,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1785/gssrl.78.1.30"},{"id":242468,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"78","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a9345e4b0c8380cd80cfe","contributors":{"authors":[{"text":"Schorlemmer, D.","contributorId":30468,"corporation":false,"usgs":true,"family":"Schorlemmer","given":"D.","affiliations":[],"preferred":false,"id":434460,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gerstenberger, M.C.","contributorId":51977,"corporation":false,"usgs":true,"family":"Gerstenberger","given":"M.C.","email":"","affiliations":[],"preferred":false,"id":434461,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70030161,"text":"70030161 - 2007 - Massive edifice failure at Aleutian arc volcanoes","interactions":[],"lastModifiedDate":"2019-02-25T15:04:57","indexId":"70030161","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1427,"text":"Earth and Planetary Science Letters","active":true,"publicationSubtype":{"id":10}},"title":"Massive edifice failure at Aleutian arc volcanoes","docAbstract":"Along the 450-km-long stretch of the Aleutian volcanic arc from Great Sitkin to Kiska Islands, edifice failure and submarine debris-avalanche deposition have occurred at seven of ten Quaternary volcanic centers. Reconnaissance geologic studies have identified subaerial evidence for large-scale prehistoric collapse events at five of the centers (Great Sitkin, Kanaga, Tanaga, Gareloi, and Segula). Side-scan sonar data collected in the 1980s by GLORIA surveys reveal a hummocky seafloor fabric north of several islands, notably Great Sitkin, Kanaga, Bobrof, Gareloi, Segula, and Kiska, suggestive of landslide debris. Simrad EM300 multibeam sonar data, acquired in 2005, show that these areas consist of discrete large blocks strewn across the seafloor, supporting the landslide interpretation from the GLORIA data. A debris-avalanche deposit north of Kiska Island (177.6° E, 52.1° N) was fully mapped by EM300 multibeam revealing a hummocky surface that extends 40 km from the north flank of the volcano and covers an area of ∼ 380 km2. A 24-channel seismic reflection profile across the longitudinal axis of the deposit reveals a several hundred-meter-thick chaotic unit that appears to have incised into well-bedded sediment, with only a few tens of meters of surface relief.
Edifice failures include thin-skinned, narrow, Stromboli-style collapse as well as Bezymianny-style collapse accompanied by an explosive eruption, but many of the events appear to have been deep-seated, removing much of an edifice and depositing huge amounts of debris on the sea floor. Based on the absence of large pyroclastic sheets on the islands, this latter type of collapse was not accompanied by large eruptions, and may have been driven by gravity failure instead of magmatic injection. Young volcanoes in the central and western portions of the arc (177° E to 175° W) are located atop the northern edge of the ∼ 4000-m-high Aleutian ridge. The position of the Quaternary stratocones relative to the edge of the Aleutian ridge appears to strongly control their likelihood for, and direction of, past collapse. The ridge's steep drop to the north greatly increases potential runout length for slides that originate at the island chain.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.epsl.2007.01.030","issn":"0012821X","usgsCitation":"Coombs, M.L., White, S., and Scholl, D., 2007, Massive edifice failure at Aleutian arc volcanoes: Earth and Planetary Science Letters, v. 256, no. 3-4, p. 403-418, https://doi.org/10.1016/j.epsl.2007.01.030.","productDescription":"16 p.","startPage":"403","endPage":"418","costCenters":[{"id":615,"text":"Volcano Hazards Program","active":true,"usgs":true}],"links":[{"id":240701,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":213110,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.epsl.2007.01.030"}],"volume":"256","issue":"3-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a5263e4b0c8380cd6c397","contributors":{"authors":[{"text":"Coombs, Michelle L. 0000-0002-6002-6806 mcoombs@usgs.gov","orcid":"https://orcid.org/0000-0002-6002-6806","contributorId":2809,"corporation":false,"usgs":true,"family":"Coombs","given":"Michelle","email":"mcoombs@usgs.gov","middleInitial":"L.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":425954,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"White, S.M.","contributorId":30827,"corporation":false,"usgs":true,"family":"White","given":"S.M.","email":"","affiliations":[],"preferred":false,"id":425953,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Scholl, D.W.","contributorId":106461,"corporation":false,"usgs":true,"family":"Scholl","given":"D.W.","email":"","affiliations":[],"preferred":false,"id":425955,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70182816,"text":"70182816 - 2007 - Contaminated salmon and the public's trust","interactions":[],"lastModifiedDate":"2018-10-17T12:54:37","indexId":"70182816","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","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":"Contaminated salmon and the public's trust","docAbstract":"Scientific uncertainties often make it difficult for environmental policy makers to determine how to communicate risks to the public. A constructive, holistic, multisectoral dialogue about an issue can improve understanding of uncertainties from different perspectives and clarify options for risk communication. Many environmental issues could benefit from explicit promotion of such a dialogue. When issues are complex, unconstructive advocacy, narrow focus, and exclusion of selected parties from decision making can erode public trust in science and lead to cynicism about the policies of government and the private sector.
","language":"English","publisher":"American Chemical Society","doi":"10.1021/es072497j","usgsCitation":"Luoma, S.N., and Lofstedt, R.E., 2007, Contaminated salmon and the public's trust: Environmental Science & Technology, v. 41, no. 6, p. 1811-1814, https://doi.org/10.1021/es072497j.","productDescription":"4 p. ","startPage":"1811","endPage":"1814","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":336363,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"41","issue":"6","noUsgsAuthors":false,"publicationDate":"2007-03-15","publicationStatus":"PW","scienceBaseUri":"58b69a42e4b01ccd54ff3fb2","contributors":{"authors":[{"text":"Luoma, Samuel N. 0000-0001-5443-5091 snluoma@usgs.gov","orcid":"https://orcid.org/0000-0001-5443-5091","contributorId":2287,"corporation":false,"usgs":true,"family":"Luoma","given":"Samuel","email":"snluoma@usgs.gov","middleInitial":"N.","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":673873,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lofstedt, Ragnar E.","contributorId":184251,"corporation":false,"usgs":false,"family":"Lofstedt","given":"Ragnar","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":673874,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":80214,"text":"ofr20071196 - 2007 - Major and Trace-Element Data from Stream-Sediment and Rock Samples Collected in the Taylor Mountains 1:250,000-Scale Quadrangle, Alaska","interactions":[],"lastModifiedDate":"2012-02-10T00:11:45","indexId":"ofr20071196","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2007-1196","title":"Major and Trace-Element Data from Stream-Sediment and Rock Samples Collected in the Taylor Mountains 1:250,000-Scale Quadrangle, Alaska","docAbstract":"In the summers of 2004, 2005, and 2006, the U.S. Geological Survey conducted a reconnaissance geochemical survey of the drainage basins throughout most of the Taylor Mountains 1:250,000-scale quadrangle, in southwestern Alaska. The purpose of the study was to locate areas of potential interest for ore minerals, provide data that may be used to determine regional-scale element baselines, and provide data for the concurrent U.S. Geological Survey geologic mapping and mineral resource assessment effort. This report provides the stream-sediment sample data for the study.","language":"English","publisher":"Geological Survey (U.S.)","doi":"10.3133/ofr20071196","usgsCitation":"Bailey, E.A., Lee, G.K., Mueller, S.H., Wang, B., Brown, Z.A., and Beischer, G.A., 2007, Major and Trace-Element Data from Stream-Sediment and Rock Samples Collected in the Taylor Mountains 1:250,000-Scale Quadrangle, Alaska: U.S. Geological Survey Open-File Report 2007-1196, Report: iv, 7 p.; Data Files, https://doi.org/10.3133/ofr20071196.","productDescription":"Report: iv, 7 p.; Data Files","startPage":"0","endPage":"0","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"links":[{"id":438857,"rank":101,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P94K1YXT","text":"USGS data release","linkHelpText":"Mineralogical and Chemical Data for Heavy-Mineral Concentrate Samples Collected in the Taylor Mountains Quadrangle, Alaska, 2004-2008"},{"id":195698,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":10034,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2007/1196/","linkFileType":{"id":5,"text":"html"}}],"scale":"250000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -159,60 ], [ -159,61 ], [ -156,61 ], [ -156,60 ], [ -159,60 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a80e4b07f02db64970b","contributors":{"authors":[{"text":"Bailey, Elizabeth A.","contributorId":104005,"corporation":false,"usgs":true,"family":"Bailey","given":"Elizabeth","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":291997,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lee, Gregory K. glee@usgs.gov","contributorId":1220,"corporation":false,"usgs":true,"family":"Lee","given":"Gregory","email":"glee@usgs.gov","middleInitial":"K.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":291992,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mueller, Seth H.","contributorId":40306,"corporation":false,"usgs":true,"family":"Mueller","given":"Seth","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":291994,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wang, Bronwen 0000-0003-1044-2227 bwang@usgs.gov","orcid":"https://orcid.org/0000-0003-1044-2227","contributorId":2351,"corporation":false,"usgs":true,"family":"Wang","given":"Bronwen","email":"bwang@usgs.gov","affiliations":[{"id":119,"text":"Alaska Science Center Geology Minerals","active":true,"usgs":true}],"preferred":true,"id":291993,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Brown, Zoe Ann","contributorId":95530,"corporation":false,"usgs":true,"family":"Brown","given":"Zoe","email":"","middleInitial":"Ann","affiliations":[],"preferred":false,"id":291995,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Beischer, Greg A.","contributorId":97592,"corporation":false,"usgs":true,"family":"Beischer","given":"Greg","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":291996,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70029739,"text":"70029739 - 2007 - ASAR images a diverse set of deformation patterns at Kilauea volcano, Hawai'i","interactions":[],"lastModifiedDate":"2019-11-12T06:52:25","indexId":"70029739","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"ASAR images a diverse set of deformation patterns at Kilauea volcano, Hawai'i","docAbstract":"Since 2003, 27 independent look angles have been acquired by ENVISAT’s Advanced Synthetic Aperture Radar (ASAR) instrument over the island of Hawai`i, allowing for the formation of thousands of interferograms showing deformation of the ground surface. On Kīlauea volcano, a transition from minor to broad-scale summit inflation was observed by interferograms that span 2003 to 2006. In addition, radar interferometry (InSAR) observations of Kīlauea led to the discovery of several previously unknown areas of localized subsidence in the caldera and along the volcano’s east rift zone. These features are probably caused by the cooling and contraction of accumulated lavas. After November 2005, a surface instability near the point that lava entered the ocean on the south flank of Kīlauea was observed in interferograms. The motion is most likely a result of unbuttressing of a portion of the coast following the collapse of a large lava delta in November 2005. InSAR data can also be used to map lava flow development over time, providing ~30 m spatial resolution maps at approximately monthly intervals. Future applications of InSAR to Kīlauea will probably result in more discoveries and insights, both as the style of volcano deformation changes and as data from new instruments are acquired.
","conferenceTitle":"Envisat Symposium 2007","conferenceDate":"April 23-27, 2007","conferenceLocation":"Montreux, Switzerland ","language":"English","issn":"03796566","usgsCitation":"Poland, M.P., 2007, ASAR images a diverse set of deformation patterns at Kilauea volcano, Hawai'i, Envisat Symposium 2007, no. 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\"}}]}","issue":"SP-636","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e636e4b0c8380cd47258","contributors":{"authors":[{"text":"Poland, Michael P. 0000-0001-5240-6123 mpoland@usgs.gov","orcid":"https://orcid.org/0000-0001-5240-6123","contributorId":146118,"corporation":false,"usgs":true,"family":"Poland","given":"Michael","email":"mpoland@usgs.gov","middleInitial":"P.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":424079,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70030617,"text":"70030617 - 2007 - Numerical modelling to determine freshwater/saltwater interface configuration in a low-gradient coastal wetland aquifer","interactions":[],"lastModifiedDate":"2012-03-12T17:21:13","indexId":"70030617","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Numerical modelling to determine freshwater/saltwater interface configuration in a low-gradient coastal wetland aquifer","docAbstract":"A coupled hydrodynamic surface-water/groundwater model with salinity transport is used to examine the aquifer salinity interface in the coastal wetlands of Everglades National Park in Florida, USA. The hydrology differs from many other coastal areas in that inland water levels are often higher than land surface, the flow gradients are small, and, along parts of the coastline, the wetland is separated from the offshore waters by a natural embankment. Examining the model-simulated aquifer salinities along a transect that cuts the coastal embankment, a small zone of fresh groundwater is seen beneath the embankment, which varies seasonally in size and salinity. The simulated surface-water and groundwater levels suggest that this zone exists because of ponding of surface water at the coastal embankment, creating freshwater underflow to the offshore waters. The seasonal variability in the freshwater zone indicates that it is sensitive to the wetland flows and water levels. The small size of the zone in the simulation indicates that a model with a higher spatial resolution could probably depict the zone more accurately. The coastal ecology is strongly affected by the salinity of the shallow groundwater and the coastal freshwater zone is sensitive to wetland flows and levels. In this environment, predicting the aquifer salinity interface in coastal wetlands is important in examining the effects of changing water deliveries associated with ecosystem restoration efforts.","largerWorkTitle":"IAHS-AISH Publication","conferenceTitle":"International Symposium: A New Focus on Groundwater - Seawater Interactions - 24th General Assembly of the In","conferenceDate":"2 July 2007 through 13 July 2007","conferenceLocation":"Perugia","language":"English","issn":"01447","isbn":"9781901502046","usgsCitation":"Swain, E., and Wolfert, M., 2007, Numerical modelling to determine freshwater/saltwater interface configuration in a low-gradient coastal wetland aquifer, in IAHS-AISH Publication, no. 312, Perugia, 2 July 2007 through 13 July 2007, p. 264-271.","startPage":"264","endPage":"271","numberOfPages":"8","costCenters":[],"links":[{"id":239598,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"issue":"312","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a6901e4b0c8380cd73af7","contributors":{"authors":[{"text":"Swain, E. 0000-0001-7168-708X","orcid":"https://orcid.org/0000-0001-7168-708X","contributorId":82122,"corporation":false,"usgs":true,"family":"Swain","given":"E.","affiliations":[],"preferred":false,"id":427883,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wolfert, M.","contributorId":96474,"corporation":false,"usgs":true,"family":"Wolfert","given":"M.","email":"","affiliations":[],"preferred":false,"id":427884,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70030195,"text":"70030195 - 2007 - Deep-water chaunacid and lophiid anglerfishes (Pisces: Lophiiformes) off the south-eastern United States","interactions":[],"lastModifiedDate":"2012-03-12T17:21:15","indexId":"70030195","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2285,"text":"Journal of Fish Biology","active":true,"publicationSubtype":{"id":10}},"title":"Deep-water chaunacid and lophiid anglerfishes (Pisces: Lophiiformes) off the south-eastern United States","docAbstract":"Recent research cruises to deep (80-910 m) reef habitats off the south-eastern U.S. and in the northern Gulf of Mexico have provided new information on the diagnostic characteristics, behaviours, colour patterns in life, bottom associations, distributions and maximum sizes of species of the anglerfish genera Chaunax, Lophiodes and Sladenia. Chaunax stigmaeus occurred much further south than previously known (Blake Plateau off South Carolina), and all C. stigmaeus observed were found associated with dense beds of dead coral (Lophelia pertusa) rubble or on broken hard bottom. In contrast, Chaunax suttkusi was found on soft bottoms. Chaunax stigmaeus and C. suttkusi appear to be sympatric over a major portion of their ranges. Because knowledge of pigmentation in live or freshly caught Chaunax is critical to distinguish some members of the genus, changes in the colouration of C. suttkusi were noted and documented photographically immediately after death and after fixation. The yellow spots found on some, but not all specimens, temporarily disappeared completely after death, but they reappeared after fixation, slowly disappearing thereafter along with other carotenoid pigments. Lophiodes beroe and Lophiodes monodi were collected for the first time off the Atlantic coast of the U.S., being previously known only from the Gulf of Mexico, Caribbean Sea and the northern coast of South America. For both species (L. beroe and L. monodi), the collections included the two largest known representatives of the species (400 and 325 mm standard length, respectively). Lophiodes beroe commonly occurred on L. pertusa rubble, and seemed to prefer this habitat. Occupying such a habitat that is deep and difficult to sample probably explains how this common species escaped detection. Only a single L. monodi was collected or observed, so this species appears to be uncommon in this geographic area or at least so on coral rubble habitat. Detailed aspects of the colour patterns of both species were noted. In particular, L. beroe displayed a characteristic pattern of white patches in life that were not apparent after death. The first photographic documentation of the colour pattern in life and of the pharyngeal pigmentation of Lophiodes reticulatus is provided. The third known specimen of Sladenia shaefersi, and the first to be taken in U.S. waters was collected from coral rubble near the base of a steep 200 m scarp on the Blake Plateau. ?? 2007 The Fisheries Society of the British Isles.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Fish Biology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1111/j.1095-8649.2007.01360.x","issn":"00221112","usgsCitation":"Caruso, J.H., Ross, S.W., Sulak, K., and Sedberry, G., 2007, Deep-water chaunacid and lophiid anglerfishes (Pisces: Lophiiformes) off the south-eastern United States: Journal of Fish Biology, v. 70, no. 4, p. 1015-1026, https://doi.org/10.1111/j.1095-8649.2007.01360.x.","startPage":"1015","endPage":"1026","numberOfPages":"12","costCenters":[],"links":[{"id":212165,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1095-8649.2007.01360.x"},{"id":239610,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"70","issue":"4","noUsgsAuthors":false,"publicationDate":"2007-04-11","publicationStatus":"PW","scienceBaseUri":"5059fe31e4b0c8380cd4eba9","contributors":{"authors":[{"text":"Caruso, John H.","contributorId":58098,"corporation":false,"usgs":true,"family":"Caruso","given":"John","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":426088,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ross, Steve W.","contributorId":72543,"corporation":false,"usgs":false,"family":"Ross","given":"Steve","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":426089,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sulak, K. J. 0000-0002-4795-9310","orcid":"https://orcid.org/0000-0002-4795-9310","contributorId":76690,"corporation":false,"usgs":true,"family":"Sulak","given":"K. J.","affiliations":[],"preferred":false,"id":426090,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Sedberry, G.R.","contributorId":35122,"corporation":false,"usgs":true,"family":"Sedberry","given":"G.R.","email":"","affiliations":[],"preferred":false,"id":426087,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70031539,"text":"70031539 - 2007 - Oceanography of Glacier Bay, Alaska: Implications for biological patterns in a glacial fjord estuary","interactions":[],"lastModifiedDate":"2016-06-01T09:44:31","indexId":"70031539","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1584,"text":"Estuaries and Coasts","active":true,"publicationSubtype":{"id":10}},"title":"Oceanography of Glacier Bay, Alaska: Implications for biological patterns in a glacial fjord estuary","docAbstract":"Alaska, U.S.A, is one of the few remaining locations in the world that has fjords that contain temperate idewater glaciers. Studying such estuarine systems provides vital information on how deglaciation affects oceanographic onditions of fjords and surrounding coastal waters. The oceanographic system of Glacier Bay, Alaska, is of particular interest ue to the rapid deglaciation of the Bay and the resulting changes in the estuarine environment, the relatively high oncentrations of marine mammals, seabirds, fishes, and invertebrates, and the Bay’s status as a national park, where ommercial fisheries are being phased out. We describe the first comprehensive broad-scale analysis of physical and iological oceanographic conditions within Glacier Bay based on CTD measurements at 24 stations from 1993 to 2002. easonal patterns of near-surface salinity, temperature, stratification, turbidity, and euphotic depth suggest that freshwater nput was highest in summer, emphasizing the critical role of glacier and snowmelt to this system. Strong and persistent tratification of surface waters driven by freshwater input occurred from spring through fall. After accounting for seasonal nd spatial variation, several of the external physical factors (i.e., air temperature, precipitation, day length) explained a large mount of variation in the physical properties of the surface waters. Spatial patterns of phytoplankton biomass varied hroughout the year and were related to stratification levels, euphotic depth, and day length. We observed hydrographic atterns indicative of strong competing forces influencing water column stability within Glacier Bay: high levels of freshwater ischarge promoted stratification in the upper fjord, while strong tidal currents over the Bay’s shallow entrance sill enhanced ertical mixing. Where these two processes met in the central deep basins there were optimal conditions of intermediate tratification, higher light levels, and potential nutrient renewal. These conditions were associated with high and sustained hlorophylla levels observed from spring through fall in these zones of the Bay and provide a framework for understanding he abundance patterns of higher trophic levels within this estuarine system.
","language":"English","publisher":"Springer","doi":"10.1007/BF02841386","issn":"15592723","usgsCitation":"Etherington, L., Hooge, P., Hooge, E.R., and Hill, D., 2007, Oceanography of Glacier Bay, Alaska: Implications for biological patterns in a glacial fjord estuary: Estuaries and Coasts, v. 30, no. 6, p. 927-944, https://doi.org/10.1007/BF02841386.","productDescription":"18 p.","startPage":"927","endPage":"944","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"links":[{"id":239663,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"30","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a6c9ee4b0c8380cd74d14","contributors":{"authors":[{"text":"Etherington, L.L.","contributorId":65265,"corporation":false,"usgs":true,"family":"Etherington","given":"L.L.","email":"","affiliations":[],"preferred":false,"id":432005,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hooge, P.N.","contributorId":36515,"corporation":false,"usgs":true,"family":"Hooge","given":"P.N.","email":"","affiliations":[],"preferred":false,"id":432004,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hooge, Elizabeth Ross","contributorId":95661,"corporation":false,"usgs":true,"family":"Hooge","given":"Elizabeth","email":"","middleInitial":"Ross","affiliations":[],"preferred":false,"id":432006,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hill, D.F.","contributorId":12692,"corporation":false,"usgs":true,"family":"Hill","given":"D.F.","email":"","affiliations":[],"preferred":false,"id":432003,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70031604,"text":"70031604 - 2007 - Seismic hazard in Karachi, Pakistan: Uncertain past, uncertain future","interactions":[],"lastModifiedDate":"2012-03-12T17:21:12","indexId":"70031604","displayToPublicDate":"2007-01-01T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3372,"text":"Seismological Research Letters","onlineIssn":"1938-2057","printIssn":"0895-0695","active":true,"publicationSubtype":{"id":10}},"title":"Seismic hazard in Karachi, Pakistan: Uncertain past, uncertain future","docAbstract":"[No abstract available]","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Seismological Research Letters","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1785/gssrl.78.6.601","issn":"08950695","usgsCitation":"Bilham, R., Lodi, S., Hough, S., Bukhary, S., Khan, A., and Rafeeqi, S., 2007, Seismic hazard in Karachi, Pakistan: Uncertain past, uncertain future: Seismological Research Letters, v. 78, no. 6, p. 601-613, https://doi.org/10.1785/gssrl.78.6.601.","startPage":"601","endPage":"613","numberOfPages":"13","costCenters":[],"links":[{"id":212214,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1785/gssrl.78.6.601"},{"id":239667,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"78","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b8b19e4b08c986b3175b6","contributors":{"authors":[{"text":"Bilham, R.","contributorId":87328,"corporation":false,"usgs":true,"family":"Bilham","given":"R.","email":"","affiliations":[],"preferred":false,"id":432301,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lodi, S.","contributorId":56034,"corporation":false,"usgs":true,"family":"Lodi","given":"S.","email":"","affiliations":[],"preferred":false,"id":432299,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hough, S.","contributorId":54355,"corporation":false,"usgs":true,"family":"Hough","given":"S.","email":"","affiliations":[],"preferred":false,"id":432298,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bukhary, S.","contributorId":35541,"corporation":false,"usgs":true,"family":"Bukhary","given":"S.","email":"","affiliations":[],"preferred":false,"id":432297,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Khan, A.M.","contributorId":32731,"corporation":false,"usgs":true,"family":"Khan","given":"A.M.","email":"","affiliations":[],"preferred":false,"id":432296,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Rafeeqi, S.F.A.","contributorId":74201,"corporation":false,"usgs":true,"family":"Rafeeqi","given":"S.F.A.","email":"","affiliations":[],"preferred":false,"id":432300,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ]}