Summary of studies supporting cumulative effects analysis of upper Yellowstone River channel modifications
Gregor T. Auble, Zachary H. Bowen, Ken D. Bovee, Adrian H. Farmer, Natalie R. Sexton, Terry J. Waddle
2004, Open-File Report 2004-1442
During the last several decades, portions of the upper Yellowstone River have been modified for flood control and erosion prevention. The U.S. Army Corps of Engineers is responsible for administration of a permit program for evaluating construction activities affecting rivers, streams, and wetlands. The Corps regulates activities under the authority...
The National Geochemical Survey: Database and documentation
Water Resources Division, U.S. Geological Survey
2004, Open-File Report 2004-1001
The USGS, in collaboration with other federal and state government agencies, industry, and academia, is conducting the National Geochemical Survey (NGS) to produce a body of geochemical data for the United States based primarily on stream sediments, analyzed using a consistent set of methods. These data will compose a...
Bighorn sheep habitat studies, population dynamics, and population modeling in Bighorn Canyon National Recreation Area, Wyoming and Montana, 2000-2003
Francis J. Singer, Kathryn A. Schoenecker
2004, Open-File Report 2004-1337
At the request of National Park Service resource managers, we began a study in 2000 to evaluate causes for the decline of the bighorn sheep (Ovis canadensis) population inhabiting Bighorn Canyon National Recreation Area (BICA), the Pryor Mountain Wild Horse Range, and surrounding state and U.S. Forest Service lands in...
Desert Landforms and Surface Processes in the Mojave National Preserve and Vicinity
Philip W. Stoffer
2004, Open-File Report 2004-1007
Landscape features in the Mojave National Preserve are a product of ongoing processes involving tectonic forces, weathering, and erosion. Long-term climatic cycles (wet and dry periods) have left a decipherable record preserved as landform features and sedimentary deposits. This website provides and introduction to climate-driven desert processes influencing landscape features...
Pocomoke Sound Sedimentary and Ecosystem History
Thomas M. Cronin
2004, Open-File Report 2004-1350
Summary of Results: Pocomoke Sound Sediment and Sediment Processes Transport of sediment from coastal marshes. Analyses of pollen and foraminifera from surface sediments in Pocomoke Sound suggest that neither the upstream forested wetlands nor coastal marshes bordering the sound have contributed appreciably to particulate matter in the 10- to 1000-micron size...
Effect of structural heterogeneity and slip distribution on coseismic vertical displacement from rupture on the Seattle Fault
Eric L. Geist, Shoichi Yoshioka
2004, Open-File Report 2004-1010
Workshops in 2001 and 2002 were convened to determine critical issues in the development of tsunami inundation maps for the Puget Sound region. The Tsunami Inundation Mapping Effort (TIME) is conducted under the multi-agency National Tsunami Hazard Mitigation Program (NTHMP). The Puget Sound Tsunami/Landslide Workshop in 2001 focused on integrated...
Quality assurance report - Loch Vale watershed, 1999-2002
Jorin A. Botte, Jill Baron
2004, Open-File Report 2004-1306
The National Park Service initiated the Loch Vale Watershed (LVWS) project in 1980 with funding from the Aquatic Effects Research Program of the National Acid Precipitation Assessment Program. Long-term ecological research and monitoring address watershed-scale ecosystem processes, particularly as they respond to atmospheric deposition and climate variability. Monitoring of meteorological,...
Maps showing the stratigraphic framework of South Carolina's Long Bay from Little River to Winyah Bay
Wayne E. Baldwin, Robert A. Morton, Jane F. Denny, Shawn V. Dadisman, William C. Schwab, Paul T. Gayes, Neal W. Driscoll
2004, Open-File Report 2004-1013
Colorado Canyons National Conservation Area 2003 visitor use survey: Completion report
Phadrea Ponds, Shana C. Gillette, Lynne Koontz
2004, Open-File Report 2004-1281
This report represents the analysis of research conducted by the U.S. Geological Survey (USGS) for the Bureau of Land Management (BLM). The purpose is to provide socio-economic and recreational use information that can be used in the development of a Resource Management Plan (RMP) for the Colorado Canyons National Conservation...
Stratton Sagebrush Hydrology Study Area: An annotated bibliography of research conducted 1968-1990
Leah M. Burgess, Kathryn A. Schoenecker
2004, Open-File Report 2004-1291
This annotated bibliography provides an overview of research projects conducted on the Stratton Sagebrush Hydrology Study Area (Stratton) since its designation as such in 1967. Sources include the Rocky Mountain Forest and Range Experiment Station records storage room, Laramie, Wyoming, the USGS and USFS online reference libraries, and scientific journal...
Economic analysis of alternative bison and elk management practices on the National Elk Refuge and Grand Teton National Park: A comparison of visitor and household responses
John B. Loomis, Lynne Caughlan
2004, Open-File Report 2004-1305
The U.S. Fish and Wildlife Service (FWS) and the National Park Service (NPS) are preparing a management plan for bison and elk inhabiting the National Elk Refuge (NER) and Grand Teton National Park (GTNP). These animals are part of the bison and elk herds in Jackson Hole, one of the...
Photomosaics and logs of trenches on the San Andreas Fault at Arano Flat near Watsonville, California
Thomas E. Fumal, Gordon F. Heingartner, Laura Samrad, Timothy E. Dawson, John C. Hamilton, John N. Baldwin
2004, Open-File Report 2003-450
We present photomosaics and logs of the walls of trenches excavated for a paleoseismic study at Arano Flat, one of two sites along the San Andreas fault in the Santa Cruz Mountains on the Kelley-Thompson Ranch. At this location, the fault consists of a narrow zone along the northeast side...
Photomosaics and logs of trenches on the San Andreas Fault, Thousand Palms Oasis, California
Thomas E. Fumal, William T. Frost, Christopher Garvin, John C. Hamilton, Monique Jaasma, Michael J. Rymer
2004, Open-File Report 2003-449
We present photomosaics and logs of the walls of trenches excavated for a paleoseismic study at Thousand Palms Oasis (Fig. 1). The site is located on the Mission Creek strand of the San Andreas fault zone, one of two major active strands of the fault in the Indio Hills along...
Preliminary Digital Geologic Map of the Santa Ana 30' x 60' Quadrangle, Southern California
D. M. Morton (compiler), Kelly R. digital preparation by Bovard, Rachel M. Alvarez
2004, Open-File Report 99-172
Electrical property measurements of the Meade Peak phosphatic shale member of the Permian phosporia formation, Caribou County, Idaho
Robert Horton
2004, Open-File Report 2004-1364
Questa baseline and pre-mining ground-water-quality investigation. 16. Quality assurance and quality control for water analyses
R. Blaine McCleskey, D. Kirk Nordstrom, Cheryl A. Naus
2004, Open-File Report 2004-1341
The Questa baseline and pre-mining ground-water quality investigation has the main objective of inferring the ground-water chemistry at an active mine site. Hence, existing ground-water chemistry and its quality assurance and quality control is of crucial importance to this study and a substantial effort was spent on this activity. Analyses...
Spectral variations in rocks and soils containing ferric iron hydroxide and(or) sulfate minerals as seen by AVIRIS and laboratory spectroscopy
Barnaby W. Rockwell
2004, Open-File Report 2004-1431
Analysis of Airborne Visible/Infrared Imaging Spectrometer (AVIRIS) data covering the Big Rock Candy Mountain area of the Marysvale volcanic field, west-central Utah, identified abundant rocks and soils bearing jarosite, goethite, and chlorite associated with volcanic rocks altered to propylitic grade during the Miocene (2321 Ma). Propylitically-altered rocks rich in...
SutraGUI, a graphical-user interface for SUTRA, a model for ground-water flow with solute or energy transport
Richard B. Winston, Clifford I. Voss
2004, Open-File Report 2003-285
This report describes SutraGUI, a flexible graphical user-interface (GUI) that supports two-dimensional (2D) and three-dimensional (3D) simulation with the U.S. Geological Survey (USGS) SUTRA ground-water-flow and transport model (Voss and Provost, 2002). SutraGUI allows the user to create SUTRA ground-water models graphically. SutraGUI provides all of the graphical functionality required...
Selected hydrologic data for Sand Cove Wash, Washington County, Utah
Aaron Norton, David D. Susong
2004, Open-File Report 2004-1328
Southwestern Utah is one of the most arid and fastest growing regions of Utah. Development of new and existing water resources will be required to meet the water needs of the region. Sand Cove Wash, a tributary of the Santa Clara River that flows into Gunlock Reservoir, was investigated as...
Lahar Hazards at Casita and San Cristóbal Volcanoes, Nicaragua
J.W. Vallance, S. P. Schilling, G. Devoli, M.E. Reid, M.M. Howell, D.L. Brien
2004, Open-File Report 2001-468
Casita and San Cristóbal volcanoes are part of a volcano complex situated at the eastern end of the Cordillera de los Maribios. Other centers of volcanism in the complex include El Chonco, Cerro Moyotepe, and La Pelona. At 1745 m, San Cristóbal is the highest and only historically active volcano...
Chester County ground-water atlas, Chester County, Pennsylvania
Russell A. Ludlow, Connie A. Loper
2004, Open-File Report 2003-442
Chester County encompasses 760 square miles in southeastern Pennsylvania. Groundwater-quality studies have been conducted in the county over several decades to address specific hydrologic issues. This report compiles and describes water-quality data collected during studies conducted mostly after 1990 and summarizes the data in a county-wide perspective.In this report, water-quality...
Near-field receiving water monitoring of a benthic community near the Palo Alto Water Quality Control Plant in south San Francisco Bay: February 1974 through December 2003
Michelle K. Shouse, Francis Parcheso, Janet K. Thompson
2004, Open-File Report 2004-1210
Analyses of the benthic community structure of a mudflat in South San Francisco Bay over a 29-year period show that changes in the community have occurred concurrent with reduced concentrations of metals in the sediment and in the tissues of the biosentinal clam Macoma balthica from the same area. The...
Near field receiving water monitoring of trace metals in clams (macoma balthica) and sediments near the Palo Alto Water Quality Control Plant in South San Francisco Bay, California: 2000
Edward Moon, Samuel N. Luoma, Daniel J. Cain, Michelle I. Hornberger, Carlos Primo C. David
2004, Open-File Report 2004-1213
Trace element concentrations were analyzed on samples of fine-grained sediments and clams (Macoma balthica) collected from a mudflat one kilometer south of the discharge of the Palo Alto Regional Water Quality Control Plant in South San Francisco Bay. This report serves as a continuation of the Near Field Receiving Water...
Simulation of Integrated Surface-Water/Ground-Water Flow and Salinity for a Coastal Wetland and Adjacent Estuary
Christian D. Langevin, Eric D. Swain, Wolfert Melinda A.
2004, Open-File Report 2004-1097
The SWIFT2D surface-water flow and transport code, which solves the St. Venant equations in two dimensions, was coupled with the SEAWAT variable-density ground-water code to represent hydrologic processes in coastal wetlands and adjacent estuaries. The integrated code was applied to the southern Everglades of Florida to quantify flow and salinity...
Eolian Dust and the Origin of Sedimentary Chert
C. Blaine Cecil
2004, Open-File Report 2004-1098
This paper proposes an alternative model for the primary source of silica contained in bedded sedimentary chert. The proposed model is derived from three principal observations as follows: (1) eolian processes in warm-arid climates produce copious amounts of highly reactive fine-grained quartz particles (dust), (2) eolian processes in warm-arid...