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Chapter 48 Geology and petroleum potential of the Eurasia Basin
Thomas E. Moore, Janet K. Pitman
2011, Geological Society Memoir (35) 731-750
The Eurasia Basin petroleum province comprises the younger, eastern half of the Arctic Ocean, including the Cenozoic Eurasia Basin and the outboard part of the continental margin of northern Europe. For the USGS petroleum assessment (CARA), it was divided into four assessment units (AUs): the Lena Prodelta AU, consisting of...
Geology and petroleum potential of the Lincoln Sea Basin, offshore North Greenland
K. Sorensen, D. Gautier, Janet K. Pitman, H. Ruth Jackson, T. Dahl-Jensen
2011, Geological Society Memoir (35) 673-684
A seismic refraction line crossing the Lincoln Sea was acquired in 2006. It proves the existence of a deep sedimentary basin underlying the Lincoln Sea. This basin appears to be comparable in width and depth to the Sverdrup Basin of the Canadian Arctic Islands. The stratigraphy of the Lincoln Sea...
Avian research on U.S. Forest Service Experimental Forests and Ranges: Emergent themes, opportunities, and challenges
Scott H. Stoleson, D.I. King, M. Tomosy
2011, Forest Ecology and Management (262) 49-52
Since 1908, U.S. Forest Service Experimental Forests and Ranges have been dedicated to long-term interdisciplinary research on a variety of ecological and management questions. They encompass a wide diversity of life zones and ecoregions, and provide access to research infrastructure, opportunities for controlled manipulations, and integration with other types of...
Multiplets: Their behavior and utility at dacitic and andesitic volcanic centers
W. Thelen, S. Malone, M. West
2011, Journal of Geophysical Research B: Solid Earth (116)
Multiplets, or groups of earthquakes with similar waveforms, are commonly observed at volcanoes, particularly those exhibiting unrest. Using triggered seismic data from the 1980-1986 Mount St. Helens (MSH) eruption, we have constructed a catalog of multiplet occurrence. Our analysis reveals that the occurrence of multiplets is related, at least in...
Adapting generalization tools to physiographic diversity for the united states national hydrography dataset
B.P. Buttenfield, L.V. Stanislawski, C.A. Brewer
2011, Cartography and Geographic Information Science (38) 289-301
This paper reports on generalization and data modeling to create reduced scale versions of the National Hydrographic Dataset (NHD) for dissemination through The National Map, the primary data delivery portal for USGS. Our approach distinguishes local differences in physiographic factors, to demonstrate that knowledge about varying terrain (mountainous, hilly or...
M3 spectral analysis of lunar swirls and the link between optical maturation and surface hydroxyl formation at magnetic anomalies
G.Y. Kramer, S. Besse, D. Dhingra, J. Nettles, R. Klima, I. Garrick-Bethell, Roger N. Clark, J. #NAME? Combe, J. W. Head III, L.A. Taylor, C.M. Pieters, J. Boardman, T. B. McCord
2011, Journal of Geophysical Research E: Planets (116) 1-20
We examined the lunar swirls using data from the Moon Mineralogy Mapper (M3). The improved spectral and spatial resolution of M3 over previous spectral imaging data facilitates distinction of subtle spectral differences, and provides new information about the nature of these enigmatic features. We characterized spectral features of the swirls, interswirl...
Mantle to surface degassing of alkalic magmas at Erebus volcano, Antarctica
C. Oppenheimer, R. Moretti, P.R. Kyle, A. Eschenbacher, Jacob B. Lowenstern, R.L. Hervig, N. W. Dunbar
2011, Earth and Planetary Science Letters (306) 261-271
Continental intraplate volcanoes, such as Erebus volcano, Antarctica, are associated with extensional tectonics, mantle upwelling and high heat flow. Typically, erupted magmas are alkaline and rich in volatiles (especially CO2), inherited from low degrees of partial melting of mantle sources. We examine the degassing of the magmatic system at Erebus...
Few apparent short-term effects of elevated soil temperature and increased frequency of summer precipitation on the abundance and taxonomic diversity of desert soil micro- and meso-fauna
B.J. Darby, D.A. Neher, D.C. Housman, J. Belnap
2011, Soil Biology and Biochemistry (43) 1474-1481
Frequent hydration and drying of soils in arid systems can accelerate desert carbon and nitrogen mobilization due to respiration, microbial death, and release of intracellular solutes. Because desert microinvertebrates can mediate nutrient cycling, and the autotrophic components of crusts are known to be sensitive to rapid desiccation due to elevated...
Environmental enrichment affects adrenocortical stress responses in the endangered black-footed ferret
S.A. Poessel, Dean E. Biggins, R.M. Santymire, T.M. Livieri, K.R. Crooks, L. Angeloni
2011, General and Comparative Endocrinology (172) 526-533
Potential stressors of wildlife living in captivity, such as artificial living conditions and frequent human contact, may lead to a higher occurrence of disease and reduced reproductive function. One successful method used by wildlife managers to improve general well-being is the provision of environmental enrichment, which is the practice of...
Combined effects of tectonic and landslide-generated Tsunami Runup at Seward, Alaska during the Mw 9.2 1964 earthquake
E. Suleimani, D.J. Nicolsky, Peter J. Haeussler, R. Hansen
2011, Pure and Applied Geophysics (168) 1053-1074
We apply a recently developed and validated numerical model of tsunami propagation and runup to study the inundation of Resurrection Bay and the town of Seward by the 1964 Alaska tsunami. Seward was hit by both tectonic and landslide-generated tsunami waves during the MW"><span...
Pore networks in continental and marine mudstones: Characteristics and controls on sealing behavior
J.E. Heath, T.A. Dewers, B.J.O.L. McPherson, R. Petrusak, T.C. Chidsey, A.J. Rinehart, P.S. Mozley
2011, Geosphere (7) 429-454
Mudstone pore networks are strong modifiers of sedimentary basin fluid dynamics and have a critical role in the distribution of hydrocarbons and containment of injected fluids. Using core samples from continental and marine mudstones, we investigate properties of pore types and networks from a variety of geologic environments, together with...
Using consumption rate to assess potential predators for biological control of white perch
N.J.C. Gosch, Kevin L. Pope
2011, Knowledge and Management of Aquatic Ecosystems
Control of undesirable fishes is important in aquatic systems, and using predation as a tool for biological control is an attractive option to fishery biologists. However, determining the appropriate predators for biological control is critical for success. The objective of this study was to evaluate the utility of consumption rate...
Predicting carnivore occurrence with noninvasive surveys and occupancy modeling
Robert A. Long, Therese M. Donovan, Paula MacKay, William J. Zielinski, Jeffrey S. Buzas
2011, Landscape Ecology (26) 327-340
Terrestrial carnivores typically have large home ranges and exist at low population densities, thus presenting challenges to wildlife researchers. We employed multiple, noninvasive survey methods—scat detection dogs, remote cameras, and hair snares—to collect detection–nondetection data for elusive American black bears (Ursus americanus), fishers (Martes pennanti), and bobcats (<i...
Coelomic implantation of satellite transmitters in the bar-tailed godwit (Limosa lapponica) and the bristle-thighed curlew (Numenius tahitiensis) using propofol, bupivacaine, and lidocaine
Daniel M. Mulcahy, Brett D. Gartrell, Robert E. Gill Jr., T. Lee Tibbitts, Daniel R. Ruthrauff
2011, Journal of Zoo and Wildlife Medicine (42) 54-64
Intravenous propofol was used as a general anesthetic with a 2∶1 (mg∶mg) adjunctive mixture of lidocaine and bupivacaine as local anesthetics infiltrated into the surgical sites for implantation of satellite transmitters into the right abdominal air sac of 39 female and 4 male bar-tailed godwits (Limosa lapponica baueri and Limosa...
Threshold responses of songbirds to long-term timber management on an active industrial forest
Douglas A. Becker, Petra Bohall Wood, Patrick D. Keyser, T. Bently Wigley, Rachel Dellinger, Cathy A. Weakland
2011, Forest Ecology and Management (262) 449-460
Forest managers often seek to balance economic benefits from timber harvesting with maintenance of habitat for wildlife, ecosystem function, and human uses. Most research on the relationship between avian abundance and active timber management has been short-term, lasting one to two years, creating the need to investigate long-term avian responses...
In vitro detection and quantification of botulinum neurotoxin type E activity in avian blood
Timothy M. Piazza, David S. Blehert, F. Mark Dunning, Brenda M. Berlowski-Zier, Fusun N. Zeytin, M. D. Samuel, Ward C. Tucker
2011, Applied and Environmental Microbiology (77) 7815-7822
Botulinum neurotoxin serotype E (BoNT/E) outbreaks in the Great Lakes region cause large annual avian mortality events, with an estimated 17,000 bird deaths reported in 2007 alone. During an outbreak investigation, blood collected from bird carcasses is tested for the presence of BoNT/E using the mouse lethality assay. While sensitive,...
Effects of sediment-associated extractable metals, degree of sediment grain sorting, and dissolved organic carbon upon Cryptosporidium parvum removal and transport within riverbank filtration sediments, Sonoma County, California
D.W. Metge, R.W. Harvey, G. R. Aiken, R. Anders, G. Lincoln, James Jasperse, M. C. Hill
2011, Environmental Science & Technology (45) 5587-5595
Oocysts of the protozoan pathogen Cryptosporidium parvum are of particular concern for riverbank filtration (RBF) operations because of their persistence, ubiquity, and resistance to chlorine disinfection. At the Russian River RBF site (Sonoma County, CA), transport of C. parvumoocysts and oocyst-sized (3 μm) carboxylate-modified microspheres through poorly sorted (sorting indices, σ1, up to...
Seasonal movement, residency, and migratory patterns of Wilson's Snipe (Gallinago delicata)
Brittany B. Cline, Susan M. Haig
2011, The Auk (128) 543-555
Cross-seasonal studies of avian movement establish links between geographically distinct wintering, breeding, and migratory stopover locations, or assess site fidelity and movement between distinct phases of the annual cycle. Far fewer studies have investigated individual movement patterns within and among seasons over an annual cycle. Within western Oregon's Willamette Valley...
Coordinating standards and applications for optical water quality sensor networks
B. Bergamaschi, B. Pellerin
2011, Conference Paper, Eos
Joint USGS-CUAHSI Workshop: In Situ Optical Water Quality Sensor Networks; Shepherdstown, West Virginia, 8-10 June 2011; Advanced in situ optical water quality sensors and new techniques for data analysis hold enormous promise for advancing scientific understanding of aquatic systems through measurements of important biogeochemical parameters at the time scales over...
Geology and petroleum potential of the West Greenland-East Canada Province
Christopher J. Schenk
2011, Geological Society Memoir (35) 627-645
The US Geological Survey (USGS) assessed the potential for undiscovered oil and gas resources of the West Greenland–East Canada Province as part of the USGS Circum-Arctic Resource Appraisal programme. The province lies in the offshore area between western Greenland and eastern Canada and includes Baffin Bay, Davis Strait, Lancaster Sound...
Oil and gas resource potential north of the Arctic Circle
Donald L. Gautier, Kenneth J. Bird, Ronald Charpentier, Arthur Grantz, David W. Houseknecht, Timothy R. Klett, Thomas E. Moore, Janet K. Pitman, Christopher J. Schenk, J.H. Schuenemeyer, K. Sorensen, Marilyn E. Tennyson, Zenon C. Valin, Craig J. Wandrey
2011, Geological Society Memoir (35) 151-161
The US Geological Survey recently assessed the potential for undiscovered conventional petroleum in the Arctic. Using a new map compilation of sedimentary elements, the area north of the Arctic Circle was subdivided into 70 assessment units, 48 of which were quantitatively assessed. The Circum-Arctic Resource Appraisal (CARA) was a geologically...
Volcanic versus anthropogenic carbon dioxide
T. Gerlach
2011, Eos, Transactions, American Geophysical Union (92) 201-202
Which emits more carbon dioxide (CO2): Earth's volcanoes or human activities? Research findings indicate unequivocally that the answer to this frequently asked question is human activities. However, most people, including some Earth scientists working in fields outside volcanology, are surprised by this answer. The climate change debate has revived and...
Assessment of NE Greenland: Prototype for development of Circum-ArcticResource Appraisal methodology
Donald L. Gautier, L. Stemmerik, F.G. Christiansen, K. Sorensen, T. Bidstrup, J. A. Bojesen-Koefoed, Kenneth J. Bird, Ronald Charpentier, David W. Houseknecht, Timothy R. Klett, Christopher J. Schenk, Marilyn E. Tennyson
2011, Geological Society Memoir 663-672
Geological features of NE Greenland suggest large petroleum potential, as well as high uncertainty and risk. The area was the prototype for development of methodology used in the US Geological Survey (USGS) Circum-Arctic Resource Appraisal (CARA), and was the first area evaluated. In collaboration with the Geological Survey of Denmark...
Approach for environmental baseline water sampling
K. S. Smith
2011, Conference Paper, SME Annual Meeting and Exhibit and CMA 113th National Western Mining Conference 2011
Samples collected during the exploration phase of mining represent baseline conditions at the site. As such, they can be very important in forecasting potential environmental impacts should mining proceed, and can become measurements against which future changes are compared. Constituents in stream water draining mined and mineralized areas tend to...
Mineralogic sources of metals in leachates from the weathering of sedex, massive sulfide, and vein deposit mining wastes
S. F. Diehl, P. L. Hageman, R.R. Seal II, N.M. Piatak, H. Lowers
2011, Conference Paper, SME Annual Meeting and Exhibit and CMA 113th National Western Mining Conference 2011
Weathered mine waste consists of oxidized primary minerals and chemically unstable secondary phases that can be sources of readily soluble metals and acid rock drainage. Elevated concentrations of metals such as Cd, Cu, Fe, Mn, Ni, Pb, and Zn are observed in deionized water-based leachate solutions derived from complex sedex...