Characteristics and Classification of Least Altered Streamflows in Massachusetts
David S. Armstrong, Gene W. Parker, Todd A. Richards
2008, Scientific Investigations Report 2007-5291
Streamflow records from 85 streamflow-gaging stations at which streamflows were considered to be least altered were used to characterize natural streamflows within southern New England. Period-of-record streamflow data were used to determine annual hydrographs of median monthly flows. The shapes and magnitudes of annual hydrographs of median monthly flows, normalized...
Chemical Analyses of Ground Water in the Carson Desert near Stillwater, Churchill County, Nevada, 2005
DeEtta Fosbury, Mark Walker, Lisa L. Stillings
2008, Open-File Report 2008-1201
This report presents the chemical analyses of ground-water samples collected in 2005 from domestic wells located in the Stillwater area of the Carson Desert (fig. 1). These data were evaluated for evidence of mixing with nearby geothermal waters (Fosbury, 2007). That study used several methods to identify mixing zones of...
Flood Magnitude and Frequency of the Delaware River in New Jersey, New York, and Pennsylvania
Robert D. Schopp, Gary D. Firda
2008, Open-File Report 2008-1203
From September 2004 to June 2006, the Delaware River in New Jersey, New York, and Pennsylvania experienced three major floods that caused extensive damage. The Federal Emergency Management Agency (FEMA) needed updated information on the flood magnitude and frequency for the eight active streamflow-gaging stations along the main stem Delaware...
Simulation of Flow, Sediment Transport, and Sediment Mobility of the Lower Coeur d'Alene River, Idaho
Charles Berenbrock, Andrew W. Tranmer
2008, Scientific Investigations Report 2008-5093
A one-dimensional sediment-transport model and a multi-dimensional hydraulic and bed shear stress model were developed to investigate the hydraulic, sediment transport, and sediment mobility characteristics of the lower Coeur d?Alene River in northern Idaho. This report documents the development and calibration of those models, as well as the results of...
Structure of the San Bernardino Basin along two seismic transects: Rialto-Colton Fault to the San Andreas Fault and along the I-215 Freeway (I-10 to SR30)
R. D. Catchings, M. J. Rymer, M. R. Goldman, G. Gandhok, C. E. Steedman
2008, Open-File Report 2008-1197
In this report, we present seismic data and acquisition parameters for two seismic profiles acquired in the San Bernardino, California area in May and October 2003. We refer to these seismic profiles as the San Bernardino Regional (SBR) and San Bernardino High-Resolution (SBHR) seismic profiles. We present both un-interpreted and...
Potentiometric Surface in the Sparta-Memphis Aquifer of the Mississippi Embayment, Spring 2007
T.P. Schrader
2008, Scientific Investigations Map 3014
The most widely used aquifer for industry and public supply in the Mississippi embayment in Arkansas, Louisiana, Mississippi, and Tennessee is the Sparta-Memphis aquifer. Decades of pumping from the Sparta-Memphis aquifer have affected ground-water levels throughout the Mississippi embayment. Regional assessments of water-level data from the aquifer are important to...
Klamath River Water Quality and Acoustic Doppler Current Profiler Data from Link River Dam to Keno Dam, 2007
Annett B. Sullivan, Michael L. Deas, Jessica Asbill, Julie D. Kirshtein, Kenna D. Butler, Marc A. Stewart, Roy W. Wellman, Jennifer Vaughn
2008, Open-File Report 2008-1185
In 2007, the U.S. Geological Survey, Watercourse Engineering, and the Bureau of Reclamation began a project to construct and calibrate a water quality and hydrodynamic model of the 21-mile reach of the Klamath River from Link River Dam to Keno Dam. To provide a basis for this work, data collection...
Drier forest composition associated with hydrologic change in the Apalachicola River floodplain, Florida
Melanie R. Darst, Helen M. Light
2008, Scientific Investigations Report 2008-5062
Forests of the Apalachicola River floodplain had shorter flood durations, were drier in composition, and had 17 percent fewer trees in 2004 than in 1976. The change to drier forest composition is expected to continue for at least 80 more years. Floodplain drying was caused by large declines in river levels...
Reconnaissance study of water quality in the mining-affected Aries River Basin, Romania
Michael J. Friedel, James A. Tindall, Daniel Sardan, David L. Fey, G.L. Poputa
2008, Open-File Report 2008-1176
The Aries River basin of western Romania has been subject to mining activities as far back as Roman times. Present mining activities are associated with the extraction and processing of various metals including Au, Cu, Pb, and Zn. To understand the effects of these mining activities on the environment, this...
Trends In Nutrient and Sediment Concentrations and Loads In Major River Basins of the South-Central United States, 1993-2004
Richard A. Rebich, Dennis K. Demcheck
2008, Scientific Investigations Report 2007-5090
Nutrient and sediment data collected at 115 sites by Federal and State agencies from 1993 to 2004 were analyzed by the U.S. Geological Survey to determine trends in concentrations and loads for selected rivers and streams that drain into the northwestern Gulf of Mexico from the south-central United States, specifically...
Hydrogeology of the Islamic Republic of Mauritania
Michael J. Friedel, Carol A. Finn
2008, Open-File Report 2008-1136
Hydrogeologic maps were constructed for the Islamic Republic of Mauritania. The ground-water flow system in the country can best be described as two interconnected regional systems: the porous Continental Terminal coastal system and the interior, fractured sedimentary Taoudeni Basin system. In these systems, ground-water flow occurs in fill deposits and...
Estuarine River Data for the Ten Thousand Islands Area, Florida, Water Year 2005
Michael J. Byrne, Eduardo Patino
2008, Data Series 322
The U.S. Geological Survey collected stream discharge, stage, salinity, and water-temperature data near the mouths of 11 tributaries flowing into the Ten Thousand Islands area of Florida from October 2004 to June 2005. Maximum positive discharge from Barron River and Faka Union River was 6,000 and 3,200 ft3/s, respectively; no...
Modeling Water Temperature in the Yakima River, Washington, from Roza Diversion Dam to Prosser Dam, 2005-06
Frank D. Voss, Christopher A. Curran, Mark C. Mastin
2008, Scientific Investigations Report 2008-5070
A mechanistic water-temperature model was constructed by the U.S. Geological Survey for use by the Bureau of Reclamation for studying the effect of potential water management decisions on water temperature in the Yakima River between Roza and Prosser, Washington. Flow and water temperature data for model input were obtained from...
Modeling Water-Surface Elevations and Virtual Shorelines for the Colorado River in Grand Canyon, Arizona
Christopher S. Magirl, Michael J. Breedlove, Robert H. Webb, Peter G. Griffiths
2008, Scientific Investigations Report 2008-5075
Using widely-available software intended for modeling rivers, a new one-dimensional hydraulic model was developed for the Colorado River through Grand Canyon from Lees Ferry to Diamond Creek. Solving one-dimensional equations of energy and continuity, the model predicts stage for a known steady-state discharge at specific locations, or cross sections, along...
Availability, sustainability, and suitability of ground water, Rogers Mesa, Delta County, Colorado: Types of analyses and data for use in subdivision water-supply reports
Kenneth R. Watts
2008, Scientific Investigations Report 2008-5020
The population of Delta County, Colorado, like that in much of the Western United States, is forecast to increase substantially in the next few decades. A substantial portion of the increased population likely will reside in rural subdivisions and use residential wells for domestic water supplies. In Colorado, a subdivision...
Effects of habitat characteristics and water quality on macroinvertebrate communities along the Neversink River in southeastern New York, 1991-2001
Anne G. Ernst, Barry P. Baldigo, George E. Schuler, Colin D. Apse, James L. Carter, Gary T. Lester
2008, Scientific Investigations Report 2008-5024
The Neversink River, in the Catskill Mountains of southeastern New York State, feeds the Neversink Reservoir, which diverts 85 percent of the river’s flow to New York City. Acidification of several headwater reaches has affected macroinvertebrate assemblages throughout the river system above the reservoir, and the alteration of flow conditions...
Hydrogeochemical investigation of the Standard Mine Vicinity, Upper Elk Creek Basin, Colorado
Andrew H. Manning, Philip L. Verplanck, M. Alisa Mast, Richard B. Wanty
2008, Scientific Investigations Report 2007-5265
Ground- and surface-water samples were collected in the vicinity of the Standard Mine in west-central Colorado in order to characterize the local ground-water flow system, determine metal concentrations in local ground water, and better understand factors controlling the discharge of metal-rich waters from the mine. The sampling program included a...
Leachate Geochemical Results for Ash and Burned Soil Samples from the October 2007 Southern California Wildfires
Philip L. Hageman, Geoffrey S. Plumlee, Deborah A. Martin, Todd M. Hoefen, Gregory P. Meeker, Monique Adams, Paul J. Lamothe, Michael W. Anthony
2008, Open-File Report 2008-1139
This report is the second release of leachate geochemical data included as part of a multidisciplinary study of ash and burned soil samples from the October 2007 wildfires in southern California. Geochemical data for the first set of samples were released in an Open-File Report (Plumlee and others, 2007). This...
Mobility statistics and automated hazard mapping for debris flows and rock avalanches
Julia P. Griswold, Richard M. Iverson
2008, Scientific Investigations Report 2007-5276
Power-law equations that are physically motivated and statistically tested and calibrated provide a basis for forecasting areas likely to be inundated by debris flows, rock avalanches, and lahars with diverse volumes. The equations A=α1V2/3 and B=α2V2/3 are based on the postulate that the maximum valley cross-sectional area (A) and total...
Environmental factors and flow paths related to Escherichia coli concentrations at two beaches on Lake St. Clair, Michigan, 2002–2005
David J. Holtschlag, Dawn Shively, Richard L. Whitman, Sheridan K. Haack, Lisa R. Fogarty
2008, Scientific Investigations Report 2008-5028
Regression analyses and hydrodynamic modeling were used to identify environmental factors and flow paths associated with Escherichia coli (E. coli) concentrations at Memorial and Metropolitan Beaches on Lake St. Clair in Macomb County, Mich. Lake St. Clair is part of the binational waterway between the United States and Canada that...
Multi-Disciplinary Approach to Trace Contamination of Streams and Beaches
James Nickles
2008, Fact Sheet 2008-3040
Concentrations of fecal-indicator bacteria in urban streams and ocean beaches in and around Santa Barbara occasionally can exceed public-health standards for recreation. The U.S. Geological Survey (USGS), working with the City of Santa Barbara, has used multi-disciplinary science to trace the sources of the bacteria. This research is helping local...
Questa baseline and pre-mining ground-water quality investigation. 25. Summary of results and baseline and pre-mining ground-water geochemistry, Red River Valley, Taos County, New Mexico, 2001-2005
D. Kirk Nordstrom
2008, Professional Paper 1728
Active and inactive mine sites are challenging to remediate because of their complexity and scale. Regulations meant to achieve environmental restoration at mine sites are equally challenging to apply for the same reasons. The goal of environmental restoration should be to restore contaminated mine sites, as closely as possible, to...
Providing Data and Modeling to Help Manage Water Supplies
James Nickles
2008, Fact Sheet 2008-3038
The Sonoma County Water Agency (SCWA) and other local water purveyors have partnered with the U.S. Geological Survey (USGS) to assess hydrologic conditions and to quan-tify the county-wide interconnections between surface water and ground water. Through this partnership, USGS scientists have completed assessments of the geohydrology and geochemistry of the Sonoma...
Research to More Effectively Manage Critical Ground-Water Basins
James Nickles
2008, Fact Sheet 2008-3037
As the regional management agency for two of the most heavily used ground-water basins in California, the Water Replenishment District of Southern California (WRD) plays a vital role in sheparding the water resources of southern Los Angeles County. WRD is using the results of the U.S. Geological Survey (USGS) studies...
Streamflow Characteristics of Streams in the Helmand Basin, Afghanistan
Tara Williams-Sether
2008, Data Series 333
Statistical summaries of streamflow data for all historical streamflow-gaging stations for the Helmand Basin upstream from the Sistan Wetlands are presented in this report. The summaries for each streamflow-gaging station include (1) manuscript (station description), (2) graph of the annual mean discharge for the period of record, (3) statistics of...
