The state of the art in raptor electrocution research: A global review
Robert N. Lehman, P.L. Kennedy, J. A. Savidge
2007, Biological Conservation (136) 159-174
We systematically reviewed the raptor electrocution literature to evaluate study designs and methods used in raptor electrocution research, mitigation, and monitoring, emphasizing original research published in English. Specifically, we wondered if three decades of effort to reduce raptor electrocutions has had positive effects. The majority of literature examined came from...
Occurrence of the amphibian pathogen Batrachochytrium dendrobatidis in Pacific Northwestern USA
Christopher Pearl, E. L. Bull, David E. Green, Jay Bowerman, M. J. Adams, A. D. Hyatt, W. Wente
2007, Journal of Herpetology (41) 145-149
Chytridiomycosis (infection by the fungus Batrachochytrium dendrobatidis) has been associated with amphibian declines in at least four continents. We report results of disease screens from 210 pond-breeding amphibians from 37 field sites in Oregon and Washington. We detected B. dendrobatidis on 28% of sampled amphibians, and and we found ->...
Variability in assays used for detection of lentiviral infection in bobcats (Lynx rufus), pumas (Puma concolor), and ocelots (Leopardus pardalis)
S.P. Franklin, J.L. Troyer, J.A. TerWee, L.M. Lyren, R.W. Kays, S.P.D. Riley, W.M. Boyce, K.R. Crooks, Sue VandeWoude
2007, Journal of Wildlife Diseases (43) 700-710
Although lentiviruses similar to feline immunodeficiency virus (FIV) are known to infect numerous felid species, the relative utility of assays used for detecting lentiviral infection has not been compared for many of these hosts. We tested bobcats (Lynx rufus), pumas (Felis concolor), and ocelots (Leopardus pardalis) for exposure to lentivirus...
Detection of group 1 coronaviruses in bats in North America
S.R. Dominguez, Thomas J. O'Shea, Lauren M. Oko, K.V. Holmes
2007, Emerging Infectious Diseases (13) 1295-1300
The epidemic of severe acute respiratory syndrome (SARS) was caused by a newly emerged coronavirus (SARS-CoV). Bats of several species in southern People's Republic of China harbor SARS-like CoVs and may be reservoir hosts for them. To determine whether bats in North America also harbor coronaviruses, we used reverse transcription-PCR...
Raptor mortality due to West Nile virus in the United States, 2002
E.K. Saito, L. Sileo, David E. Green, Carol U. Meteyer, G.S. McLaughlin, K. A. Converse, D. E. Docherty
2007, Journal of Wildlife Diseases (43) 206-213
West Nile virus (WNV) has affected many thousands of birds since it was first detected in North America in 1999, but the overall impact on wild bird populations is unknown. In mid-August 2002, wildlife rehabilitators and local wildlife officials from multiple states began reporting increasing numbers of sick and dying...
Mode of occurrence of arsenic in feed coal and its derivative fly ash, Black Warrior Basin, Alabama
Robert A. Zielinski, Andrea L. Foster, G.P. Meeker, I. K. Brownfield
2007, Fuel (86) 560-572
An arsenic-rich (As = 55 ppm) bituminous feed coal from the Black Warrior Basin, Alabama and its derivative fly ash (As = 230 ppm) were selected for detailed investigation of arsenic residence and chemical forms. Analytical techniques included microbeam analysis, selective extraction, and As K-edge X-ray absorption fine-structure (XAFS) spectroscopy....
Estimating the amount of eroded section in a partially exhumed basin from geophysical well logs: An example from the North Slope
W. Matthew Burns, Daniel O. Hayba, Elisabeth L. Rowan, David W. Houseknecht
2007, Professional Paper 1732-D
The reconstruction of burial and thermal histories of partially exhumed basins requires an estimation of the amount of erosion that has occurred since the time of maximum burial. We have developed a method for estimating eroded thickness by using porosity-depth trends derived from borehole sonic logs of wells in the...
An efficient mode-splitting method for a curvilinear nearshore circulation model
Fengyan Shi, James T. Kirby, Daniel M. Hanes
2007, Coastal Engineering (54) 811-824
A mode-splitting method is applied to the quasi-3D nearshore circulation equations in generalized curvilinear coordinates. The gravity wave mode and the vorticity wave mode of the equations are derived using the two-step projection method. Using an implicit algorithm for the gravity mode and an explicit algorithm for the vorticity mode,...
Finite-frequency traveltime tomography of San Francisco Bay region crustal velocity structure
Frederick Pollitz
2007, Geophysical Journal International (171) 630-656
Seismic velocity structure of the San Francisco Bay region crust is derived using measurements of finite-frequency traveltimes. A total of 57 801 relative traveltimes are measured by cross-correlation over the frequency range 0.5–1.5 Hz. From these are derived 4862 ‘summary’ traveltimes, which are used to derive 3-D P-wave velocity structure...
Nitrate retention in riparian ground water at natural and elevated nitrate levels in North Central Minnesota
J.H. Duff, A.P. Jackman, F.J. Triska, Rich W. Sheibley, Ronald J. Avanzino
2007, Journal of Environmental Quality (36) 343-353
The relationship between local ground water flows and NO3− transport to the channel was examined in three well transects from a natural, wooded riparian zone adjacent to the Shingobee River, MN. The hillslope ground water originated as recharge from intermittently grazed pasture up slope of the site. In the hillslope...
The relationship between tree growth patterns and likelihood of mortality: A study of two tree species in the Sierra Nevada
A.J. Das, John J. Battles, N.L. Stephenson, P. J. van Mantgem
2007, Canadian Journal of Forest Research (37) 580-597
We examined mortality of Abies concolor (Gord. & Glend.) Lindl. (white fir) and Pinus lambertiana Dougl. (sugar pine) by developing logistic models using three growth indices obtained from tree rings: average growth, growth trend, and count of abrupt growth declines. For P. lambertiana, models with average growth, growth trend, and count...
In situ time-series measurements of subseafloor sediment properties
R. A. Wheatcroft, A.W. Stevens, R.V. Johnson II
2007, IEEE Journal of Oceanic Engineering (32) 862-871
The capabilities and diversity of subsurface sediment sensors lags significantly from what is available for the water column, thereby limiting progress in understanding time-dependent seabed exchange and high-frequency acoustics. To help redress this imbalance, a new instrument, the autonomous sediment profiler (ASP), is described herein....
Influence of groundwater pumping on streamflow restoration following upstream dam removal
James Constantz, Hedeff I. Essaid
2007, Hydrological Processes (21) 2823-2834
We compared streamflow in basins under the combined impacts of an upland dam and groundwater pumping withdrawals, by examining streamflow in the presence and absence of each impact. As a qualitative analysis, inter-watershed streamflow comparisons were performed for several rivers flowing into the east side...
Postearthquake relaxation and aftershock accumulation linearly related after the 2003 M 6.5 Chengkung, Taiwan, and the 2004 M 6.0 Parkfield, California, earthquakes
James C. Savage, S.-B. Yu
2007, Bulletin of the Seismological Society of America (97) 1632-1645
We treat both the number of earthquakes and the deformation following a mainshock as the superposition of a steady background accumulation and the postearthquake process. The preseismic displacement and seismicity rates ru and rE are used as estimates of the background rates. Let t be the time after the...
Basin structure beneath the Santa Rosa Plain, Northern California: Implications for damage caused by the 1969 Santa Rosa and 1906 San Francisco earthquakes
D.K. McPhee, Victoria E. Langenheim, S. Hartzell, Robert McLaughlin, Brad T. Aagaard, R.C. Jachens, C. McCabe
2007, Bulletin of the Seismological Society of America (97) 1449-1457
Regional gravity data in the northern San Francisco Bay region reflect a complex basin configuration beneath the Santa Rosa plain that likely contributed to the significant damage to the city of Santa Rosa caused by the 1969 M 5.6, 5.7 Santa Rosa earthquakes and the...
Methane-derived authigenic carbonates from the northern Gulf of Mexico - MD02 Cruise
Y. Chen, R. Matsumoto, C. K. Paull, William III Ussler, T. Lorenson, P. J. Hart, W. Winters
2007, Journal of Geochemical Exploration (95) 1-15
Authigenic carbonates were sampled in piston cores collected from both the Tunica Mound and the Mississippi Canyon area on the continental slope of the northern Gulf of Mexico during a Marion Dufresne cruise in July 2002. The carbonates are present as hardgrounds, porous crusts, concretions or nodules and shell fragments with or...
Coseismic and post-seismic signatures of the Sumatra 2004 December and 2005 March earthquakes in GRACE satellite gravity
I. Panet, V.O. Mikhailov, Michel Diament, Frederick Pollitz, G. King, O. de Viron, M. Holschneider, R. Biancale, J.-M. Lemoine
2007, Geophysical Journal International (171) 177-190
The GRACE satellite mission has been measuring the Earth's gravity field and its temporal variations since 2002 April. Although these variations are mainly due to mass transfer within the geofluid envelops, they also result from mass displacements associated with phenomena including glacial isostatic adjustment and earthquakes. However, these last...
Hydrology and subsurface transport of oil-field brine at the U.S. Geological Survey OSPER site "A", Osage County, Oklahoma
William N. Herkelrath, Yousif K. Kharaka, James Thordsen, Marvin M. Abbott
2007, Applied Geochemistry (22) 2155-2163
Spillage and improper disposal of saline produced water from oil wells has caused environmental damage at thousands of sites in the United States. In order to improve understanding of the fate and transport of contaminants at these sites, the U.S. Geological...
Fate and groundwater impacts of produced water releases at OSPER "B" site, Osage County, Oklahoma
Yousif K. Kharaka, Evangelos Kakouros, James Thordsen, Gil Ambats, Marvin M. Abbott
2007, Applied Geochemistry (22) 2164-2176
For the last 5 a, the authors have been investigating the transport, fate, natural attenuation and ecosystem impacts of inorganic and organic compounds in releases of produced water and associated hydrocarbons at the Osage-Skiatook Petroleum Environmental Research (OSPER) “A” and “B” sites,...
Thermal structure of oceanic transform faults
M.D. Behn, M.S. Boettcher, G. Hirth
2007, Geology (35) 307-310
We use three-dimensional finite element simulations to investigate the temperature structure beneath oceanic transform faults. We show that using a rheology that incorporates brittle weakening of the lithosphere generates a region of enhanced mantle upwelling and elevated temperatures along the transform; the warmest...
A multiple-approach radiometric age estimate for the Rotoiti and Earthquake Flat eruptions, New Zealand, with implications for the MIS 4/3 boundary
C. J. N. Wilson, D.A. Rhoades, Marvin A. Lanphere, A.T. Calvert, Bruce F. Houghton, S.D. Weaver, J. W. Cole
2007, Quaternary Science Reviews (26) 1861-1870
Pyroclastic fall deposits of the paired Rotoiti and Earthquake Flat eruptions from the Taupo Volcanic Zone (New Zealand) combine to form a widespread isochronous horizon over much of northern New Zealand and the southwest Pacific. This horizon is important for correlating climatic and...
Enhancement of the national strong-motion network in Turkey
Polat Gülkan, U. Ceken, Z. Colakoglu, T. Ugras, T. Kuru, A. Apak, J.G. Anderson, H. Sucuoglu, Mehmet Çelebi, D.S. Akkar, U. Yazgan, A.Z. Denizlioglu
2007, Seismological Research Letters (78) 429-438
Two arrays comprising 20 strong-motion sensors were established in western Turkey. The 14 stations of BYTNet follow a N-S trending line about 65 km in length, normal to strands of the North Anatolian fault that runs between the cities of Bursa and Yalova. Here the dominant character of the potential...
Modeling the movement of a pH perturbation and its impact on adsorbed zinc and phosphate in a wastewater‐contaminated aquifer
Douglas B. Kent, J.A. Wilkie, J.A. Davis
2007, Water Resources Research (43)
[1] Chemical conditions were perturbed in an aquifer with an ambient pH of 5.9 and wastewater-derived adsorbed zinc (Zn) and phosphate (P) contamination by injecting a pulse of amended groundwater. The injected groundwater had low concentrations of dissolved Zn and P, a pH value of...
Sea level fluctuations in central California at subtidal to decadal and longer time scales with implications for San Francisco Bay, California
H. F. Ryan, M.A. Noble
2007, Estuarine, Coastal and Shelf Science (73) 538-550
Sea level elevations from near the mouth of San Francisco Bay are used to describe the low-frequency variability of forcing of the coastal ocean on the Bay at a variety of temporal scales. About 90% of subtidal fluctuations in sea level...
Arsenic attenuation by oxidized aquifer sediments in Bangladesh
Kenneth G. Stollenwerk, George N. Breit, Alan H. Welch, James D. Yount, John W. Whitney, Andrea L. Foster, M.N. Uddin, R.K. Majumder, N. Ahmed
2007, Science of the Total Environment (379) 133-150
Recognition of arsenic (As) contamination of shallow fluvio-deltaic aquifers in the Bengal Basin has resulted in increasing exploitation of groundwater from deeper aquifers that generally contain low concentrations of dissolved As. Pumping-induced infiltration of high-As groundwater could eventually cause As concentrations in these aquifers to increase. This study investigates the...
