Investigations of the Effects of Synthetic Chemicals on the Endocrine System of Common Carp in Lake Mead, Nevada and Arizona
Michael R. Rosen, Steven L. Goodbred, Reynaldo Patiño, Thomas A. Leiker, Erik Orsak
2006, Fact Sheet 2006-3131
Introduction: Lake Mead is the largest reservoir by volume in the United States and was created by the construction of the 221-meter high Hoover Dam in 1935 at Black Canyon on the lower Colorado River between Nevada and Arizona (fig. 1). Inflows of water into the lake include three rivers, Colorado,...
Water-Level Data for the Albuquerque Basin and Adjacent Areas, Central New Mexico, Period of Record Through 2004
R.K. DeWees
2006, Open-File Report 2006-1281
The Albuquerque Basin, located in central New Mexico, is about 100 miles long and 25 to 40 miles wide. The basin is defined as the extent of consolidated and unconsolidated deposits of Tertiary and Quaternary age that encompass the structural Rio Grande Rift within the basin. Drinking-water supplies throughout the...
Vegetation classification for south Florida natural areas
K. Rutchey, T.N. Schall, R.F. Doren, A. Atkinson, M.S. Ross, D.T. Jones, M. Madden, L. Vilchek, K.A. Bradley, J.R. Snyder, J.N. Burch, T. Pernas, B. Witcher, Milo Pyne, Rickie White, T. J. Smith III, J. Sadle, C.S. Smith, M.E. Patterson, G.D. Gann
2006, Open-File Report 2006-1240
Introduction A critical component of any ecological restoration program is documenting the temporal changes in the spatial extent, pattern, and proportion of plant communities within the landscape. The Comprehensive Everglades Restoration Plan (CERP - www.evergladesplan.org), authorized as part of the Water Resources and Development Act (WRDA) of 2000 (U.S. Congress,...
Wildlife and habitat damage assessment from Hurricane Charley: Recommendations for recovery of the J. N. "Ding" Darling National Wildlife Refuge Complex
J. Michael Meyers, Catherine A. Langtimm, Thomas J. Smith III, Kendra Pednault-Willett
2006, Open-File Report 2006-1126
• On 13 August 2004, the first of four hurricanes to strike Florida in <6 weeks came ashore near J. N. “Ding” Darling National Wildlife Refuge (JNDDNWR) Complex, Sanibel Island, Florida. The eye of Category 4 Hurricane Charley passed just north of Sanibel Island with maximum sustained winds of 145...
Salinity and temperature tolerance experiments on selected Florida Bay mollusks
James B. Murray, G. Lynn Wingard
2006, Open-File Report 2006-1026
The ultimate goal of the Comprehensive Everglades Restoration Plan (CERP) is to restore and preserve the unique ecosystems of South Florida, including the estuaries. Understanding the effect of salinity and temperature changes, beyond typical oscillations, on the biota of South Florida's estuaries is a necessary component of achieving the goal...
South Carolina Coastal Erosion Study: Data report for observations, October 2003 - April 2004
Charlene M. Sullivan, John C. Warner, Marinna A. Martini, George Voulgaris, Paul Work, Kevin A. Haas, Daniel Hanes
2006, Open-File Report 2005-1429
Oceanographic observations have been made at nine locations in Long Bay, South Carolina from October 2003 through April 2004. These sites are centered around a shore-oblique sand feature that is approximately 10 km long, 2 km wide, and in excess of 3 m thick. The observations were collected through a...
Submarine ground-water discharge: nutrient loading and nitrogen transformations
Kevin D. Kroeger, Peter W. Swarzenski, John Crusius, John F. Bratton, Matthew A. Charette
2006, Fact Sheet 2006-3110
Eutrophication of coastal waters due to nonpoint source land-derived nitrogen (N) loads is a worldwide phenomenon and perhaps the greatest agent of change altering coastal ecology (National Research Council, 2000; Howarth and others, 2000). Within the United States, a majority of estuaries have been determined to be moderately to severely...
Hydrogeologic Framework and Ground Water in Basin-Fill Deposits of the Diamond Valley Flow System, Central Nevada
Mary L. Tumbusch, Russell W. Plume
2006, Scientific Investigations Report 2006-5249
The Diamond Valley flow system, an area of about 3,120 square miles in central Nevada, consists of five hydrographic areas: Monitor, Antelope, Kobeh, and Diamond Valleys and Stevens Basin. Although these five areas are in a remote part of Nevada, local government officials and citizens are concerned that the water...
Continuous water-quality monitoring and regression analysis to estimate constituent concentrations and loads in the Red River of the North, Fargo, North Dakota, 2003-05
Karen R. Ryberg
2006, Scientific Investigations Report 2006-5241
This report presents the results of a study by the U.S. Geological Survey, done in cooperation with the Bureau of Reclamation, U.S. Department of the Interior, to estimate water-quality constituent concentrations in the Red River of the North at Fargo, North Dakota. Regression analysis of water-quality data collected in 2003-05...
Post-Wildfire Sedimentation in Saguaro National Park, Rincon Mountain District, and Effects on Lowland Leopard Frog Habitat
John T.C. Parker
2006, Scientific Investigations Report 2006-5235
The Rincon Mountain District of Saguaro National Park occupies about 272 square kilometers of mountains, canyons, and alluvial fans in southeastern Arizona just east of Tucson. The park contains some of the last remaining habitat in the Tucson Basin of the lowland leopard frog that lives in the bedrock pools...
Evaluation of Nitrate Concentrations and Sources in the Elk Creek Watershed, Southwestern Ohio, 2003-2004
Thomas L. Schumann, Bruce A. Pletsch
2006, Scientific Investigations Report 2006-5223
Nitrate concentrations exceeding the U.S. Environmental Protection Agency maximum contaminant level of 10 milligrams per liter have been reported in ground water near the City of Trenton, Ohio, in the southern part of the Elk Creek watershed. A study of nitrate concentrations and sources in surface and ground water within...
Volcano and Earthquake Monitoring Plan for the Yellowstone Volcano Observatory, 2006-2015
Yellowstone Volcano Observatory
2006, Scientific Investigations Report 2006-5276
To provide Yellowstone National Park (YNP) and its surrounding communities with a modern, comprehensive system for volcano and earthquake monitoring, the Yellowstone Volcano Observatory (YVO) has developed a monitoring plan for the period 2006-2015. Such a plan is needed so that YVO can provide timely information during seismic, volcanic, and...
Swath bathymetric survey of Englebright Lake, Yuba-Nevada Counties, California
Jonathan R. Childs, Andrew J. Stevenson
2006, Open-File Report 2006-1346
In March, 2004, the USGS conducted a swath bathymetric survey of Englebright Lake, a 9-mile long reservoir located in the Sierra Nevada foothills of northern California on the Yuba River. This survey was follow-on to an earlier bathymetric survey and sediment thickness analysis done by the USGS in 2001 (Childs...
Flooding in Clark and Lincoln Counties, Nevada, December 2004 and January 2005
Roslyn Ryan
2006, Fact Sheet 2006-3124
Introduction: A regional storm passed through the Las Vegas Valley, Nevada, on December 28-29, 2004, producing up to 2 inches of rain in a 24-hour period. Due to the intense, sustained rainfall, streamflow along Las Vegas Wash was near the record discharges of July 8, 1999. Additional rainfall in December...
Procedural Documentation and Accuracy Assessment of Bathymetric Maps and Area/Capacity Tables for Small Reservoirs
Gary L. Wilson, Joseph M. Richards
2006, Scientific Investigations Report 2006-5208
Because of the increasing use and importance of lakes for water supply to communities, a repeatable and reliable procedure to determine lake bathymetry and capacity is needed. A method to determine the accuracy of the procedure will help ensure proper collection and use of the data and resulting products. It...
Cape Cod Toxic Substances Hydrology research site--Physical, chemical, and biological processes that control the fate of contaminants in ground water
Denis R. LeBlanc
2006, Fact Sheet 2006-3096
No abstract available....
Aqueous geochemical data from the analysis of stream water samples collected in August 2004: Taylor Mountains 1:250,000 scale quadrangle, Alaska
Bronwen Wang, Seth Mueller, Elizabeth Bailey, Greg Lee
2006, Open-File Report 2006-1175
We report on the chemical analysis of water samples collected from the Taylor Mountains 1:250,000 quadrangle. Samples were collected as part of the multi-year U.S. Geological Survey's project -- Geologic and Mineral Deposit Data for Alaskan Economic Development. Data presented here are from water samples collected primarily in the northeastern...
Hydrologic Characteristics of a Managed Wetland and a Natural Riverine Wetland along the Kankakee River in Northwestern Indiana
Leslie D. Arihood, E. Randall Bayless, William C. Sidle
2006, Scientific Investigations Report 2006-5222
Characteristics of ground-water/surface-water interactions were identified at a managed wetland (Hog Marsh) and a natural riverine wetland (LaSalle) located on the north and south sides, respectively, of the Kankakee River in northwestern Indiana. Hog Marsh covers about 390 hectares of the Grand Kankakee Marsh County Park. LaSalle covers about 100...
Synoptic Discharge, Water-Property, and pH Measurements for Muddy River Springs Area and Muddy River, Nevada, February 7, 2001
David A. Beck, Jon W. Wilson
2006, Scientific Investigations Report 2006-5237
On February 7, 2001, synoptic discharge measurements at selected sites along the Muddy River in Nevada, indicated three trends in discharge resulting from contributions of spring discharge, influences of diversionary flow, and contributions from shallow ground water. Effects from diversionary and tributary flow were local in nature and resulted in...
Response of western mountain ecosystems to climatic variability and change: The Western Mountain Initiative
Nathan L. Stephenson, David A. Peterson, Daniel B. Fagre, Craig D. Allen, Donald McKenzie, Jill Baron, K. O’Brien
2006, Park Science (24) 24-29
Mountain ecosystems within our national parks and other protected areas provide valuable goods and services such as clean water, biodiversity conservation, and recreational opportunities, but their potential responses to expected climatic changes are inadequately understood. The Western Mountain Initiative (WMI) is a collaboration of scientists whose research focuses on understanding...
California GAMA program: Ground-water quality data in the northern San Joaquin Basin Study Unit, 2005
George L. Bennett V, Kenneth Belitz, Barbara J. Milby Dawson
2006, Data Series 196
Growing concern over the closure of public-supply wells because of ground-water contamination has led the State Water Board to establish the Ground-Water Ambient Monitoring and Assessment (GAMA) Program. With the aid of the U.S. Geological Survey (USGS) and Lawrence Livermore National Laboratory, the program goals are to enhance understanding and...
Surface-Water Quantity and Quality of the Upper Milwaukee River, Cedar Creek, and Root River Basins, Wisconsin, 2004
David W. Hall
2006, Open-File Report 2006-1121
The U.S. Geological Survey, in cooperation with the Southeastern Wisconsin Regional Planning Commission (SEWRPC), collected discharge and water-quality data at nine sites in previously monitored areas of the upper Milwaukee River, Cedar Creek, and Root River Basins, in Wisconsin from May 1 through November 15, 2004. The data were collected...
Response to memorandum by Rowley and Dixon regarding U.S. Geological Survey report titled "Characterization of Surface-Water Resources in the Great Basin National Park Area and Their Susceptibility to Ground-Water Withdrawals in Adjacent Valleys, White Pine County, Nevada"
David E. Prudic
2006, Open-File Report 2006-1342
Applications pending for permanent permits to pump large quantities of ground water in Spring and Snake Valleys adjacent to Great Basin National Park (the Park) prompted the National Park Service to request a study by the U.S. Geological Survey to evaluate the susceptibility of the Park's surface-water resources to pumping....
Aeromagnetic Survey of Taylor Mountains Area in Southwest Alaska, A Website for the Distribution of Data
Water Resources Division, U.S. Geological Survey
2006, Data Series 224
USGS Data Series Report for the release of aeromagnetic data collected in the Taylor Mountains Area of Southwest Alaska and associated contractor reports. Summary: An airborne high-resolution magnetic and coincidental horizontal magnetic gradiometer survey was completed over the Taylor Mountains area in southwest Alaska. The flying was undertaken by McPhar...
Flooding Frequency Alters Vegetation in Isolated Wetlands
Kim H. Haag, Terrie M. Lee
2006, Fact Sheet 2006-3117
Many isolated wetlands in central Florida occur as small, shallow depressions scattered throughout the karst topography of the region. In these wetlands, the water table approaches land surface seasonally, and water levels and flooding frequency are largely determined by differences between precipitation and evapotranspiration. Because much of the region is...
