Preliminary classification of water areas within the Atchafalaya Basin Floodway System by using landsat imagery
Yvonne C. Allen, Glenn C. Constant, Brady R. Couvillion
2008, Open-File Report 2008-1320
The southern portion of the Atchafalaya Basin Floodway System (ABFS) is a large area (2,571 km2) in south central Louisiana bounded on the east and west sides by a levee system. The ABFS is a sparsely populated area that includes some of the Nation's most significant extents of bottomland hardwoods,...
The search for Braddock’s Caldera— Guidebook for Colorado Scientific Society Fall 2008 field trip, Never Summer Mountains, Colorado
J. C. Cole, Ed Larson, Lang Farmer, Karl S. Kellogg
2008, Open-File Report 2008-1360
The report contains the illustrated guidebook that was used for the fall field trip of the Colorado Scientific Society on September 6-7, 2008. It summarizes new information about the Tertiary geologic history of the northern Front Range and the Never Summer Mountains, particularly the late Oligocene volcanic and intrusive rocks...
Analytical Results for Municipal Biosolids Samples from a Monitoring Program near Deer Trail, Colorado (U.S.A.), 2007
J.G. Crock, D. B. Smith, T. J. B. Yager, C. J. Berry, M. G. Adams
2008, Open-File Report 2008-1358
Since late 1993, the Metro Wastewater Reclamation District of Denver (Metro District), a large wastewater treatment plant in Denver, Colorado, has applied Grade I, Class B biosolids to about 52,000 acres of nonirrigated farmland and rangeland near Deer Trail, Colorado (U.S.A.). In cooperation with the Metro District in 1993, the...
Assessment of Undiscovered Technically Recoverable Oil and Gas Resources of the Bakken Formation, Williston Basin, Montana and North Dakota, 2008
R. M. Pollastro, L. N. R. Roberts, T. A. Cook, M. D. Lewan
2008, Open-File Report 2008-1353
The U.S. Geological Survey (USGS) has completed an assessment of the undiscovered oil and associated gas resources of the Upper Devonian to Lower Mississippian Bakken Formation in the U.S. portion of the Williston Basin of Montana and North Dakota and within the Williston Basin Province. The assessment is based on...
Monitoring inland storm surge and flooding from Hurricane Ike in Texas and Louisiana, September 2008
Jeffery W. East, Michael J. Turco, Mason Jr.
2008, Open-File Report 2008-1365
The U.S. Geological Survey (USGS) deployed a temporary monitoring network of 117 pressure transducers (sensors) at 65 sites over an area of about 5,000 square miles to record the timing, areal extent, and magnitude of inland hurricane storm surge and coastal flooding generated by Hurricane Ike, which struck southeastern Texas...
Mineralogic Causes of Variations in Magnetic Susceptibility of Late Pleistocene and Holocene Sediment from Great Salt Lake, Utah
Richard L. Reynolds, Joseph G. Rosenbaum, Robert S. Thompson
2008, Open-File Report 2008-1352
We describe here results of magnetic susceptibility (MS) measurements and magnetic mineralogy of sediments sampled in three cores from the south basin of Great Salt Lake. The cores were obtained in 1996 with a Kullenburg-type piston corer at sites in close proximity: core 96-4 at 41 deg 01.00' N, 112...
Watershed Regressions for Pesticides (WARP) for Predicting Annual Maximum and Annual Maximum Moving-Average Concentrations of Atrazine in Streams
Wesley W. Stone, Robert J. Gilliom, Charles G. Crawford
2008, Open-File Report 2008-1186
Regression models were developed for predicting annual maximum and selected annual maximum moving-average concentrations of atrazine in streams using the Watershed Regressions for Pesticides (WARP) methodology developed by the National Water-Quality Assessment Program (NAWQA) of the U.S. Geological Survey (USGS). The current effort builds on the original WARP models, which...
EAARL topography-Colonial National Historical Park
John Brock, C. Wayne Wright, Amar Nayegandhi, Sara Stevens, Laurinda J. Travers
2008, Open-File Report 2008-1326
These Lidar-derived topography maps were produced as a collaborative effort between the U.S. Geological Survey (USGS) Coastal and Marine Geology Program, Florida Integrated Science Center (FISC) St. Petersburg, the National Park Service (NPS) Inventory and Monitoring Program, Northeast Coastal and Barrier Network, and the National Aeronautics and Space Administration (NASA),...
Comparison of two cell lysis procedures for recovery of microcystins in water samples from silver lake in Dover, Delaware, with microcystin producing cyanobacterial accumulations
Keith A. Loftin, Michael T. Meyer, Fernando Rubio, Lisa Kamp, Edythe Humphries, Ed Whereat
2008, Open-File Report 2008-1341
A collaboration was developed between Abraxis, LLC, the State of Delaware Department of Natural Resources and Environmental Control Division of Water Resources Environmental Laboratory, the University of Delaware, and the United States Geological Survey to investigate the efficacy of the QuikLyse procedure developed by Abraxis, LLC as an alternative cell-lysis...
The U.S. Geological Survey Modular Ground-Water Model - PCGN: A Preconditioned Conjugate Gradient Solver with Improved Nonlinear Control
Richard L. Naff, Edward R. Banta
2008, Open-File Report 2008-1331
The preconditioned conjugate gradient with improved nonlinear control (PCGN) package provides addi-tional means by which the solution of nonlinear ground-water flow problems can be controlled as compared to existing solver packages for MODFLOW. Picard iteration is used to solve nonlinear ground-water flow equations by iteratively solving a linear approximation of...
Technical Review of Water-Resources Investigations of the Tule Desert, Lincoln County, Southern Nevada
David L. Berger, Keith J. Halford, Wayne R. Belcher, Michael S. Lico
2008, Open-File Report 2008-1354
The Nevada State Engineer in Ruling No. 5181 required Lincoln County and Vidler Water Company, Inc., to provide results from additional water-resources studies of Tule Desert in southern Nevada to support water-rights application 64692. As outlined by the ruling, the additional studies were to include the determination of the amount...
Bedrock, Borehole, and Water-Quality Characterization of a Methane-Producing Water Well in Wolfeboro, New Hampshire
James R. Degnan, Gregory J. Walsh, Sarah M. Flanagan, Robert A. Burruss
2008, Open-File Report 2008-1333
In August 2004, a commercial drill rig was destroyed by ignition of an explosive gas released during the drilling of a domestic well in granitic bedrock in Tyngsborough, MA. This accident prompted the Massachusetts Department of Environmental Protection (MassDEP) to sample the well water for dissolved methane - a possible...
Incorporation of Fine-Grained Sediment Erodibility Measurements into Sediment Transport Modeling, Capitol Lake, Washington
Andrew W. Stevens, Guy Gelfenbaum, Edwin Elias, Craig Jones
2008, Open-File Report 2008-1340
Capitol Lake was created in 1951 with the construction of a concrete dam and control gate that prevented salt-water intrusion into the newly formed lake and regulated flow of the Deschutes River into southern Puget Sound. Physical processes associated with the former tidally dominated estuary were altered, and the dam...
Water-quality, bed-sediment, and biological data (October 2006 through September 2007) and statistical summaries of long-term data for streams in the Clark Fork Basin, Montana
Kent A. Dodge, Michelle I. Hornberger, Jessica Dyke
2008, Open-File Report 2008-1318
Water, bed sediment, and biota were sampled in streams from Butte to below Milltown Reservoir as part of a long-term monitoring program in the upper Clark Fork basin; additional water-quality samples were collected in the Clark Fork basin from sites near Milltown Reservoir downstream to near the confluence of the...
Release of Hexavalent Chromium by Ash and Soils in Wildfire-Impacted Areas
Ruth E. Wolf, Suzette A. Morman, Geoffrey S. Plumlee, Philip L. Hageman, Monique Adams
2008, Open-File Report 2008-1345
The highly oxidizing environment of a wildfire has the potential to convert any chromium present in the soil or in residential or industrial debris to its more toxic form, hexavalent chromium, a known carcinogen. In addition, the highly basic conditions resulting from the combustion of wood and wood products could...
Aspen Ecology in Rocky Mountain National Park: Age Distribution, Genetics, and the Effects of Elk Herbivory
Linda Zeigenfuss, Dan Binkley, Gerald A. Tuskan, William H. Romme, Tongming Yin, Stephen DiFazio, Francis J. Singer
2008, Open-File Report 2008-1337
Lack of recruitment and canopy replacement of aspen (Populus tremuloides) stands that grow on the edges of grasslands on the low-elevation elk (Cervus elaphus) winter range of Rocky Mountain National Park (RMNP) in Colorado have been a cause of concern for more than 70 years. We used a combination of...
Inventory of Data Sources Used for Watershed Condition Assessments of Fire Island National Seashore, Gateway National Recreation Area, and Sagamore Hill National Historic Site, New York and New Jersey
Mark J. Benotti
2008, Open-File Report 2008-1298
The natural resources and watershed conditions of National Park units in the New York-New Jersey area - Gateway National Recreation Area (GATE), Sagamore Hill National Historic Site (SAHI), and Fire Island National Seashore (FIIS) - are threatened by different degrees of urbanization and direct or indirect human use. Such threats...
Landslides Mapped from LIDAR Imagery, Kitsap County, Washington
Jonathan P. McKenna, David J. Lidke, Jeffrey A. Coe
2008, Open-File Report 2008-1292
Landslides are a recurring problem on hillslopes throughout the Puget Lowland, Washington, but can be difficult to identify in the densely forested terrain. However, digital terrain models of the bare-earth surface derived from LIght Detection And Ranging (LIDAR) data express topographic details sufficiently well to identify landslides. Landslides and escarpments...
Streamflow and Endangered Species Habitat in the Lower Isleta Reach of the Middle Rio Grande
Ken D. Bovee, Terry J. Waddle, J. Mark Spears
2008, Open-File Report 2008-1323
San Acacia Dam is located in a reach of the Rio Grande that has been designated as critical habitat for two endangered species, the Rio Grande silvery minnow (Hybognathus amarus) and the southwestern willow flycatcher (Empidonax traillii extimus). Under present operations, the Rio Grande upstream from the dam is used...
Results of Gravity Fieldwork Conducted in March 2008 in the Moapa Valley Region of Clark County, Nevada
Daniel S. Scheirer, Arne Dossing Andreasen
2008, Open-File Report 2008-1300
In March 2008, we collected gravity data along 12 traverses across newly-mapped faults in the Moapa Valley region of Clark County, Nevada. In areas crossed by these faults, the traverses provide better definition of the gravity field and, thus, the density structure, than prior gravity observations. Access problems prohibited complete...
7th U.S. / Japan Natural Resources (UJNR) Panel on Earthquake Research: Abstract volume and technical program
Shane T. Detweiler, William L. Ellsworth
2008, Open-File Report 2008-1335
The U.S. / Japan Natural Resources (UJNR) Panel on Earthquake Research promotes advanced study toward a more fundamental understanding of the earthquake process and hazard estimation. The Panel promotes basic and applied research to improve our understanding of the causes and effects of earthquakes and to facilitate the transmission of...
Ground-Water Conditions and Studies in the Albany Area of Dougherty County, Georgia, 2007
Debbie W. Gordon
2008, Open-File Report 2008-1328
The U.S. Geological Survey (USGS) has been working with the Albany Water, Gas, and Light Commission to monitor ground-water quality and availability since 1977. This report presents an overview of ground-water conditions and studies in the Albany area of Dougherty County, Georgia, during 2007. Historical data are also presented for...
Survival and migration behavior of juvenile coho salmon in the Klamath River relative to discharge at Iron Gate Dam, Northern California, 2007
John W. Beeman, Greg Stutzer, Steve Juhnke, Nicholas Hetrick
2008, Open-File Report 2008-1332
This report describes a study of survival and migration behavior of juvenile coho salmon in the Klamath River relative to discharge at Iron Gate Dam in 2006. This was the second year of a multi-year study with the goal of determining the effects of discharge at Iron Gate Dam on...
A Protocol for Aging Anurans Using Skeletochronology
Brome McCreary, Christopher A. Pearl, M. J. Adams
2008, Open-File Report 2008-1209
Age distribution information can be an important part of understanding the biology of any population. Age estimates collected from the annual growth rings found in tooth and bone cross sections, often referred to as Lines of Arrested Growth (LAGs), have been used in the study of various animals. In this...
Hawaiian Volcano Observatory Seismic Data, January to December 2007
Jennifer S. Nakata, Paul G. Okubo
2008, Open-File Report 2008-1261
The U.S. Geological Survey (USGS), Hawaiian Volcano Observatory (HVO) summary presents seismic data gathered during the year. The seismic summary is offered without interpretation as a source of preliminary data and is complete in that most data for events of M=1.5 are included. All latitude and longitude references in this...
