Preliminary Volcano-Hazard Assessment for Gareloi Volcano, Gareloi Island, Alaska
Michelle L. Coombs, Robert G. McGimsey, Brandon L. Browne
2008, Scientific Investigations Report 2008-5159
Gareloi Volcano (178.794 degrees W and 51.790 degrees N) is located on Gareloi Island in the Delarof Islands group of the Aleutian Islands, about 2,000 kilometers west-southwest of Anchorage and about 150 kilometers west of Adak, the westernmost community in Alaska. This small (about 8x10 kilometer) volcano has been one...
Fort Collins Science Center: Fiscal Year 2007 Accomplishments
J.T. Wilson
2008, Open-File Report 2008-1092
In Fiscal Year 2007 (FY07), the U.S. Geological Survey (USGS) Fort Collins Science Center (FORT) continued research vital to U.S. Department of the Interior science and management needs and associated USGS programmatic goals. FORT work also supported the science needs of other government agencies as well as private cooperators. Specifically,...
Development and Application of a Decision Support System for Water Management Investigations in the Upper Yakima River, Washington
Ken D. Bovee, Terry J. Waddle, Colin Talbert, James R. Hatten, Thomas R. Batt
2008, Open-File Report 2008-1251
The Yakima River Decision Support System (YRDSS) was designed to quantify and display the consequences of different water management scenarios for a variety of state variables in the upper Yakima River Basin, located in central Washington. The impetus for the YRDSS was the Yakima River Basin Water Storage Feasibility Study,...
Techniques for Monitoring Razorback Sucker in the Lower Colorado River, Hoover to Parker Dams, 2006-2007, Final Report
Gordon A. Mueller, Richard Wydoski, Eric Best, Steve Hiebert, Jeff Lantow, Mark Santee, Bill Goettlicher, Joe Millosovich
2008, Open-File Report 2008-1245
Trammel netting is generally the accepted method of monitoring razorback sucker in reservoirs, but this method is ineffective for monitoring this fish in rivers. Trammel nets set in the current become fouled with debris, and nets set in backwaters capture high numbers of nontarget species. Nontargeted fish composed 97 percent...
Effects of a 2006 High-Flow Release from Tiber Dam on Channel Morphology at Selected Sites on the Marias River, Montana
Gregor T. Auble, Zachary H. Bowen
2008, Open-File Report 2008-1234
In June 2006, an opportunistic high-flow release was made from Tiber Dam on the Marias River in Mont., to investigate possible alternatives for partially restoring the river's natural flow pattern and variability. At two sites along the river, we measured channel geometry before and after the high-flow release to evaluate...
Quaternary geology and sedimentary processes in the vicinity of Six Mile Reef, eastern Long Island Sound
L. J. Poppe, S.J. Williams, M. S. Moser, N.A. Forfinski, H.F. Stewart, E. F. Doran
2008, Journal of Coastal Research (24) 255-266
Six Mile Reef, a sandy, 22-m-high shoal trending east-west and located about 7.8 km off the Connecticut coast, has a core of postglacial marine deltaic deposits mantled by tidally reworked modern sediments. Sedimentary environments off the eastern end of the shoal are characterized by processes associated with long-term erosion or...
Distribution and morphology of growth anomalies in Acropora from the Indo-Pacific
Thierry M. Work, Greta S. Aeby, Steve L. Coles
2008, Diseases of Aquatic Organisms (78) 255-264
We assessed the distribution and prevalence of growth anomalies (GAs) in Acropora from French Frigate Shoals (Hawaii, USA), Johnston Atoll and Tutuila (American Samoa), developed a nomenclature for gross morphology, characterized GAs at the cellular level and obtained preliminary indices of their spatial patterns and progression within coral colonies. Acropora GAs were found in...
Organochlorine pesticide, polychlorinated biphenyl, trace element and metal residues in bird eggs from Salton Sea, California, 2004
Charles J. Henny, T. W. Anderson, J.J. Crayon
2008, Hydrobiologia (604) 137-149
The Salton Sea is a highly eutrophic, hypersaline terminal lake that receives inflows primarily from agricultural drainages in the Imperial and Coachella valleys. Impending reductions in water inflow at Salton Sea may concentrate existing contaminants which have been a concern for many years, and result in higher exposure to birds....
Cutaneous and diphtheritic avian poxvirus infection in a nestling Southern Giant Petrel (Macronectes giganteus) from Antarctica
Valerie Shearn-Bochsler, David Earl Green, K. A. Converse, D. E. Docherty, T. Thiel, H.N. Geisz, William R. Fraser, Donna L. Patterson-Fraser
2008, Polar Biology (31) 569-573
The Southern giant petrel (Macronectes giganteus) is declining over much of its range and currently is listed as vulnerable to extinction by the International Union for the Conservation of Nature (IUCN). Island-specific breeding colonies near Palmer Station, Antarctica, have been monitored for over 30 years, and because this population continues to...
Genetic diversity among sea otter isolates of Toxoplasma gondii
N. Sundar, Rebecca A. Cole, N. J. Thomas, D. Majumdar, J. P. Dubey, C. Su
2008, Veterinary Parasitology (151) 125-132
Sea otters (Enhydra lutris) have been reported to become infected with Toxoplasma gondiiand at times succumb to clinical disease. Here, we determined genotypes of 39 T. gondiiisolates from 37 sea otters in two geographically distant locations (25 from California and 12 from Washington). Six genotypes were identified using 10 PCR-RFLP genetic markers...
Modest genetic differentiation among North American populations of Sarcocystic neurona may reflect expansion in its geographic range
N. Sundar, I.M. Asmundsson, N. J. Thomas, M.D. Samuel, J. P. Dubey, B.M. Rosenthal
2008, Veterinary Parasitology (152) 8-15
Sarcocystis neurona is an important cause of neurological disease in horses (equine protozoal myeloencephalitis, EPM) and sea otters in the United States. In addition, EPM-like disease has been diagnosed in several other land and marine mammals. Opossums are its only definitive hosts. Little genetic diversity among isolates of S. neurona...
Visualizing the ground motions of the 1906 San Francisco earthquake
A. Chourasia, S. Cutchin, Brad T. Aagaard
2008, Computers & Geosciences (34) 0-0
With advances in computational capabilities and refinement of seismic wave-propagation models in the past decade large three-dimensional simulations of earthquake ground motion have become possible. The resulting datasets from these simulations are multivariate, temporal and multi-terabyte in size. Past visual representations of results from seismic studies have been largely confined...
Trans-Alaska Crustal Transect and continental evolution involving subduction underplating and synchronous foreland thrusting
Gary S. Fuis, Thomas E. Moore, George Plafker, T.M. Brocher, M. A. Fisher, Walter D. Mooney, W. J. Nokleberg, R.A. Page, B. C. Beaudoin, N.I. Christensen, A. R. Levander, W. J. Lutter, R. W. Saltus, N.A. Ruppert
2008, Geology (36) 267-270
We investigate the crustal structure and tectonic evolution of the North American continent in Alaska, where the continent has grown through magmatism, accretion, and tectonic underplating. In the 1980s and early 1990s, we conducted a geological and geophysical investigation, known as the Trans-Alaska Crustal Transect (TACT), along a 1350-km-long corridor...
Biotechnology and DNA vaccines for aquatic animals
Gael Kurath
2008, OIE Revue Scientifique et Technique (27) 175-196
Biotechnology has been used extensively in the development of vaccines for aquaculture. Modern molecular methods such as polymerase chain reaction (PCR), cloning and microarray analysis have facilitated antigen discovery, construction of novel candidate vaccines, and assessments of vaccine efficacy, mode of action, and host response. This review focuses on DNA...
Wildfire effects on water temperature and selection of breeding sites by the Boreal Toad (Bufo boreas) in seasonal wetlands
B. R. Hossack, P.S. Corn
2008, Herpetological Conservation and Biology (3) 46-54
Disturbances can significantly affect the thermal regime and community structure of wetlands. We investigated the effect of a wildfire on water temperature of seasonal, montane wetlands after documenting the colonization of recently burned wetlands by the Boreal Toad (Bufo boreas boreas). We compared the daily mean temperature, daily maximum temperature,...
Validation of exposure time for discharge measurements made with two bottom-tracking acoustic doppler current profilers
J. A. Czuba, K. Oberg
2008, Conference Paper, Proceedings of the IEEE working conference on current measurement technology
Previous work by Oberg and Mueller of the U.S. Geological Survey in 2007 concluded that exposure time (total time spent sampling the flow) is a critical factor in reducing measurement uncertainty. In a subsequent paper, Oberg and Mueller validated these conclusions using one set of data to show that the...
Exploration maturity key to ranking search areas
Emil D. Attanasi, Philip A. Freeman
2008, Oil & Gas Journal (106)
The study area of US Geological Survey Circular 1288, the world outside the US and Canada, was partitioned into 44 countries and country groups. Map figures such as Fig. 2 and graphs similar to Figs. 3 and 4 provide a visual summary of maturity of oil and gas exploration. From...
NOAA/West Coast and Alaska Tsunami Warning Center Pacific Ocean response criteria
P. Whitmore, H. Benz, M. Bolton, G. Crawford, L. Dengler, G. Fryer, J. Goltz, R. Hansen, K. Kryzanowski, S. Malone, D. Oppenheimer, E. Petty, G. Rogers, Jim Wilson
2008, Science of Tsunami Hazards (27) 1-19
New West Coast/Alaska Tsunami Warning Center (WCATWC) response criteria for earthquakes occurring in the Pacific basin are presented. Initial warning decisions are based on earthquake location, magnitude, depth, and - dependent on magnitude - either distance from source or precomputed threat estimates generated from tsunami models. The new criteria will...
Increasing shallow groundwater CO2 and limestone weathering, Konza Prairie, USA
G.L. Macpherson, J.A. Roberts, J.M. Blair, M.A. Townsend, D.A. Fowle, K. R. Beisner
2008, Geochimica et Cosmochimica Acta (72) 5581-5599
In a mid-continental North American grassland, solute concentrations in shallow, limestone-hosted groundwater and adjacent surface water cycle annually and have increased steadily over the 15-year study period, 1991-2005, inclusive. Modeled groundwater CO2, verified by measurements of recent samples, increased from 10-2.05 atm to 10-1.94 atm, about a 20% increase, from...
At-sea distribution of radio-marked Ashy Storm-Petrels Oceanodroma homochroa captured on the California Channel Islands
J. Adams, John Y. Takekawa
2008, Marine Ornithology: Journal of Seabird Research and Conservation (36) 9-17
Small, rare and wide-ranging pelagic birds are difficult to locate and observe at sea; little is therefore known regarding individual movements and habitat affinities among many of the world's storm-petrels (Family Hydrobatidae). We re-located 57 of 70 radio-marked Ashy Storm-Petrels Oceanodroma homochroa captured at three colonies in the California Channel...
Evaluation of Landsat-7 SLC-off image products for forest change detection
Michael A. Wulder, Stephanie M. Ortlepp, Joanne C. White, Susan Maxwell
2008, Canadian Journal of Remote Sensing (34) 93-99
Since July 2003, Landsat-7 ETM+ has been operating without the scan line corrector (SLC), which compensates for the forward motion of the satellite in the imagery acquired. Data collected in SLC-off mode have gaps in a systematic wedge-shaped pattern outside of the central 22 km swath of the imagery; however,...
Near-decadal changes in nitrate and pesticide concentrations in the South Platte River alluvial aquifer, 1993-2004
S.S. Paschke, K.R. Schaffrath, S.L. Mashbum
2008, Journal of Environmental Quality (37) S281-S295
The lower South Platte River basin of Colorado and Nebraska is an area of intense agriculture supported by surface-water diversions from the river and ground-water pumping from a valley-fill alluvial aquifer. Two well networks consisting of 45 wells installed in the South Platte alluvial aquifer were sampled in the early...
Post-breeding habitat use by adult Boreal Toads (Bufo boreas) after wildfire in Glacier National Park, USA
C.G. Guscio, B. R. Hossack, L.A. Eby, P.S. Corn
2008, Herpetological Conservation and Biology (3) 55-62
Effects of wildfire on amphibians are complex, and some species may benefit from the severe disturbance of stand-replacing fire. Boreal Toads (Bufo boreas boreas) in Glacier National Park, Montana, USA increased in occurrence after fires in 2001 and 2003. We used radio telemetry to track adult B. boreas in a...
Monitoring lingering oil from the Exxon Valdez spill on Gulf of Alaska armored beaches and mussel beds sixteen years post-spill
G.V. Irvine, D.H. Mann, J.W. Short
2008, Report, TOXLINE
Final Rept. ; Prepared in Cooperation With Alaska Univ., Fairbanks. Inst. of Arctic Biology. Sponsored By National Marine Fisheries Service, Juneau, Ak. AlaskaFisheries Science Center. ; Stranded Exxon Valdez Oil Has Persisted for 16 Years At Boulder-Armored Beach Sites Along National Park Coastlines Bordering the Gulf of Alaska. These Sites Are Up to...
Vision of a cyberinfrastructure for nonnative, invasive species management
Jim Graham, Annie Simpson, Alycia W. Crall, Catherine S. Jarnevich, Greg Newman, Thomas J. Stohlgren
2008, BioScience (58) 263-268
Although the quantity of data on the location, status, and management of invasive species is ever increasing, invasive species data sets are often difficult to obtain and integrate. A cyberinfrastructure for such information could make these data available for Internet users. The data can be used to create regional watch...
