Arkansas and Louisiana aeromagnetic and gravity maps and data— A website for distribution of data
Viki Bankey, David L. Daniels
2008, Data Series 352
This report contains digital data, image files, and text files describing data formats for aeromagnetic and gravity data used to compile the State aeromagnetic and gravity maps of Arkansas and Louisiana. The digital files include grids, images, ArcInfo, and Geosoft compatible files. In some of the data folders, ASCII files with...
Hydrodynamic Characteristics and Salinity Patterns in Estero Bay, Lee County, Florida
Michael J. Byrne, Jessica N. Gabaldon
2008, Scientific Investigations Report 2007-5217
Estero Bay is an estuary (about 12 miles long and 3 miles wide) on the southwestern Florida coast, with several inlets connecting the bay to the Gulf of Mexico and numerous freshwater tributaries. Continuous stage and salinity data were recorded at eight gaging stations in Estero Bay estuary from October...
Assessment of Water-Quality Monitoring and a Proposed Water-Quality Monitoring Network for the Mosquito Lagoon Basin, East-Central Florida
Sharon E. Kroening
2008, Scientific Investigations Report 2007-5238
Surface- and ground-water quality data from the Mosquito Lagoon Basin were compiled and analyzed to: (1) describe historical and current monitoring in the basin, (2) summarize surface- and ground-water quality conditions with an emphasis on identifying areas that require additional monitoring, and (3) develop a water-quality monitoring network to meet...
Interferometric Sidescan Bathymetry, Sediment and Foraminiferal Analyses; a New Look at Tomales Bay, California
Roberto J. Anima, John L. Chin, David P. Finlayson, Mary McGann, Florence L. Wong
2008, Open-File Report 2008-1237
The United States Geological Survey (USGS) in collaboration with Point Reyes National Sea Shore (PRNS), and the Tomales Bay Watershed Council [http://www.tomalesbaywatershed.org/] has completed a detailed bathymetric survey, and sediment and foraminiferal analyses of the floor of Tomales Bay, California. The study goals are to detail the submarine morphology,...
Conservation genetics and species recovery
Ed Pendleton, Amy G. Vandergast, T.L. King
2008, Endangered Species Bulletin (33) 59
Recent advances in molecular genetics have proven to be extremely useful in efforts to conserve imperiled species. Genetics data are used to identify appropriate units of management (e.g., populations, metapopulations), effective sizes of breeding populations, population mixing rates, and other variables. These data help managers make decisions about which populations...
Using satellite-based rainfall estimates for streamflow modelling: Bagmati Basin
M.S. Shrestha, Guleid A. Artan, S.R. Bajracharya, R. R. Sharma
2008, Journal of Flood Risk Management (1) 89-99
In this study, we have described a hydrologic modelling system that uses satellite-based rainfall estimates and weather forecast data for the Bagmati River Basin of Nepal. The hydrologic model described is the US Geological Survey (USGS) Geospatial Stream Flow Model (GeoSFM). The GeoSFM is a spatially semidistributed, physically based hydrologic...
Assessment of Coal Geology, Resources, and Reserves in the Gillette Coalfield, Powder River Basin, Wyoming
James A. Luppens, David C. Scott, Jon E. Haacke, Lee M. Osmonson, Timothy J. Rohrbacher, Margaret S. Ellis
2008, Open-File Report 2008-1202
The Gillette coalfield, within the Powder River Basin in east-central Wyoming, is the most prolific coalfield in the United States. In 2006, production from the coalfield totaled over 431 million short tons of coal, which represented over 37 percent of the Nation's total yearly production. The Anderson and Canyon coal...
Application of Wind Fetch and Wave Models for Habitat Rehabilitation and Enhancement Projects
Jason J. Rohweder, James T. Rogala, Barry L. Johnson, Dennis Anderson, Steve Clark, Ferris Chamberlin, Kip Runyon
2008, Open-File Report 2008-1200
Models based upon coastal engineering equations have been developed to quantify wind fetch length and several physical wave characteristics including significant height, length, peak period, maximum orbital velocity, and shear stress. These models, developed using Environmental Systems Research Institute's ArcGIS 9.2 Geographic Information System platform, were used to quantify differences...
Determination of Baseline Periods of Record for Selected Streamflow-Gaging Stations in New Jersey for Determining Ecologically Relevant Hydrologic Indices (ERHI)
Rachel A. Esralew, Ronald J. Baker
2008, Scientific Investigations Report 2008-5077
Hydrologic changes in New Jersey stream basins resulting from human activity can affect the flow and ecology of the streams. To assess future changes in streamflow resulting from human activity an understanding of the natural variability of streamflow is needed. The natural variability can be classified using Ecologically Relevant Hydrologic...
Earth Resources Observation and Science (EROS) Center - Who We Are and What We Do
Water Resources Division, U.S. Geological Survey
2008, Fact Sheet 2008-3055
To understand our planet at local, regional, national, and global scales, people need information about Earth's land surfaces and how they are changing. Land remote sensing is the key to gathering this information. Satellites that capture detailed images of Earth's continents, islands, and coastlines are and have been EROS' primary...
Preliminary Geologic Map of the North-Central Part of the Alamosa 30' x 60' Quadrangle, Alamosa, Conejos and Costilla Counties, Colorado
Michael N. Machette, Ren A. Thompson, Theodore R. Brandt
2008, Open-File Report 2008-1124
This geologic map presents new polygon (geologic map unit contacts) and line (terrace and lacustrine spit/barrier bar) vector data for a map comprised of four 7.5' quadrangles in the north-central part of the Alamosa, Colorado, 30' x 60' quadrangle. The quadrangles include Baldy, Blanca, Blanca SE, and Lasauses. The map...
Multiple Landslide-Hazard Scenarios Modeled for the Oakland-Berkeley Area, Northern California
Richard J. Pike, Russell W. Graymer
2008, Scientific Investigations Report 2007-5196
With the exception of Los Angeles, perhaps no urban area in the United States is more at risk from landsliding, triggered by either precipitation or earthquake, than the San Francisco Bay region of northern California. By January each year, seasonal winter storms usually bring moisture levels of San Francisco Bay...
Shear wave velocity investigation of soil liquefaction sites from the Tangshan, China M7.8 earthquake of 1976 using active and passive surface wave methods
Robert E Kayen, Xiaxin Tao, Lijing Shi, Hailiang Shi
2008, Conference Paper, International Conference on Case Histories in Geotechnical Engineering
An initial investigation of soil liquefaction sites from the July, 28 1976 Tangshan M7.8 earthquake was conducted between 1976 and 1978 by the National Ministry of Railways, China. These data are the basis of the ‘Chinese Method’ for assessment of liquefaction potential of silty-sand deposits, and are an important component...
Landscape Features Shape Genetic Structure in Threatened Northern Spotted Owls
W. Chris Funk, Eric D. Forsman, Thomas D. Mullins, Susan M. Haig
2008, Open-File Report 2008-1240
Several recent studies have shown that landscape features can strongly affect spatial patterns of gene flow and genetic variation. Understanding landscape effects on genetic variation is important in conservation for defining management units and understanding movement patterns. The landscape may have little effect on gene flow, however, in highly mobile...
Peak-flow frequency estimates based on data through water year 2001 for selected streamflow-gaging stations in South Dakota
Steven K. Sando, Daniel G. Driscoll, Charles Parrett
2008, Scientific Investigations Report 2008-5104
Numerous users, including the South Dakota Department of Transportation, have continuing needs for peak-flow information for the design of highway infrastructure and many other purposes. This report documents results from a cooperative study between the South Dakota Department of Transportation and the U.S. Geological Survey to provide an update of...
Data to support statistical modeling of instream nutrient load based on watershed attributes, southeastern United States, 2002
Anne B. Hoos, Silvia Terziotti, Gerard McMahon, Katerina Savvas, Kirsten C. Tighe, Ruth Alkons-Wolinsky
2008, Open-File Report 2008-1163
This report presents and describes the digital datasets that characterize nutrient source inputs, environmental characteristics, and instream nutrient loads for the purpose of calibrating and applying a nutrient water-quality model for the southeastern United States for 2002. The model area includes all of the river basins draining to the south...
Surficial Geologic Map of the Worcester North-Oxford- Wrentham-Attleboro Nine-Quadrangle Area in South- Central Massachusetts
Byron D. Stone, Janet Radway Stone, Mary L. DiGiacomo-Cohen
2008, Open-File Report 2006-1260-D
The surficial geologic map layer shows the distribution of nonlithified earth materials at land surface in an area of nine 7.5-minute quadrangles (417 mi2 total) in south-central Massachusetts (fig. 1). Across Massachusetts, these materials range from a few feet to more than 500 ft in thickness. They overlie bedrock, which...
Genetics Show Current Decline and Pleistocene Expansion in Northern Spotted Owls
W. Chris Funk, Eric D. Forsman, Thomas D. Mullins, Susan M. Haig
2008, Open-File Report 2008-1239
The northern spotted owl (Strix occidentalis caurina) is one of the most controversial threatened subspecies ever listed under the U.S. Endangered Species Act. Because of concern for persistence of the subspecies, logging on Federal lands in the U.S. Pacific Northwest was dramatically reduced under the Northwest Forest Plan in 1994....
Influence of the Houma Navigation Canal on Salinity Patterns and Landscape Configuration in Coastal Louisiana
Gregory D. Steyer, Charles Sasser, Elaine Evers, Erick Swenson, Glenn Suir, Sijan Sapkota
2008, Open-File Report 2008-1127
Coastal Louisiana is a dynamic and ever changing landscape. From 1956 to 2004, over 297,000 ha of Louisiana's coastal wetlands were lost because of the effects of natural and human-induced activities. Studies show that, in 2005, Hurricanes Katrina and Rita transformed over 56,200 ha of wetlands to open water in...
Temporal and spatial variations in precipitation, streamflow, suspended-sediment loads and yields, and land-condition trend analysis at the U.S. Army Piñon Canyon Maneuver Site, Las Animas County, Colorado, 1983 through 2007
M. R. Stevens, J. Dupree, J. M. Kuzmiak
2008, Scientific Investigations Report 2008-5111
In 2007, the U.S. Geological Survey, in cooperation with the U.S. Department of the Army, began an assessment of the spatial and temporal variations in precipitation, streamflow, suspended-sediment loads and yields, changes in land condition, effects of the tributaries on the Purgatoire River and the possible relation of effects from...
Estimated Depth to Ground Water and Configuration of the Water Table in the Portland, Oregon Area
Daniel T. Snyder
2008, Scientific Investigations Report 2008-5059
Reliable information on the configuration of the water table in the Portland metropolitan area is needed to address concerns about various water-resource issues, especially with regard to potential effects from stormwater injection systems such as UIC (underground injection control) systems that are either existing or planned. To help address these...
An Update of Hydrologic Conditions and Distribution of Selected Constituents in Water, Snake River Plain Aquifer and Perched-Water Zones, Idaho National Laboratory, Idaho, Emphasis 2002-05
Linda C. Davis
2008, Scientific Investigations Report 2008-5089
Radiochemical and chemical wastewater discharged since 1952 to infiltration ponds, evaporation ponds, and disposal wells at the Idaho National Laboratory (INL) has affected water quality in the Snake River Plain aquifer and perched-water zones underlying the INL. The U.S. Geological Survey, in cooperation with the U.S. Department of Energy, maintains...
Estimated Withdrawals from Stream-Valley Aquifers and Refined Estimated Withdrawals from Selected Aquifers in the United States, 2000
B. Pierre Sargent, Molly A. Maupin, Stephen R. Hinkle
2008, Scientific Investigations Report 2008-5003
The U.S. Geological Survey National Water Use Information Program compiles estimates of fresh ground-water withdrawals in the United States on a 5-year interval. In the year-2000 compilation, withdrawals were reported from principal aquifers and aquifer systems including two general aquifers - Alluvial and Other aquifers. Withdrawals from a widespread aquifer...
Vegetation Types in Coastal Louisiana in 2007
Charles E. Sasser, Jenneke M. Visser, Edmond Mouton, Jeb Linscombe, Steve B. Hartley
2008, Open-File Report 2008-1224
During the summer and fall of 2007, the U.S. Geological Survey, the Louisiana State University Agricultural Center, and the Louisiana Department of Wildlife and Fisheries Fur and Refuge Division jointly completed an aerial survey to collect data on 2007 vegetation types in coastal Louisiana. The current map presents the data...
Digital elevation models of the Pre-Eruption 2000 Crater and 2004-07 Dome-Building Eruption at Mount St. Helens, Washington, USA
James A. Messerich, Steve P. Schilling, Ren A. Thompson
2008, Open-File Report 2008-1169
Presented in this report are 27 digital elevation model (DEM) datasets for the crater area of Mount St. Helens. These datasets include pre-eruption baseline data collected in 2000, incremental model subsets collected during the 2004–07 dome building eruption, and associated shaded-relief image datasets. Each dataset was collected photogrammetrically with digital...
