Influence of Cougar Reservoir Drawdown on Sediment and DDT Transport and Deposition in the McKenzie River Basin, Oregon, Water Years 2002-04
Chauncey W. Anderson
2007, Scientific Investigations Report 2007-5164
Construction of a selective withdrawal tower at Cougar Reservoir in the South Fork McKenzie River, Oregon, during 2002-05 resulted in a prolonged release of sediment and high-turbidity water to downstream reaches throughout the summer of 2002, with additional episodic releases during storms in the following winters. Suspended-sediment concentrations and loads...
Drought-trigger ground-water levels in Chester County, Pennsylvania, for the period of record ending May 2006
Peter J. Cinotto
2007, Data Series 292
This report presents the results of a study by the U.S. Geological Survey (USGS), in cooperation with the Chester County Water Resources Authority (CCWRA), to update the drought-trigger water levels for the Chester County observation-well network. The Chester County observation-well network was established in 1973 through a cooperative agreement between...
Predicting water quality by relating secchi-disk transparency and chlorophyll a measurements to Landsat satellite imagery for Michigan inland lakes, 2001-2006
L. M. Fuller, R. J. Minnerick
2007, Fact Sheet 2007-3022
The State of Michigan has more than 11,000 inland lakes; approximately 3,500 of these lakes are greater than 25 acres. The USGS, in cooperation with the Michigan Department of Environmental Quality (MDEQ), has been monitoring the quality of inland lakes in Michigan through the Lake Water Quality Assessment monitoring program....
Modeling 3-D slope stability of coastal bluffs using 3-D ground-water flow, Southwestern Seattle, Washington
Dianne L. Brien, Mark E. Reid
2007, Scientific Investigations Report 2007-5092
Landslides are a common problem on coastal bluffs throughout the world. Along the coastal bluffs of the Puget Sound in Seattle, Washington, landslides range from small, shallow failures to large, deep-seated landslides. Landslides of all types can pose hazards to human lives and property, but deep-seated landslides are of significant...
MODFLOW Ground-Water Model - User Guide to the Subsidence and Aquifer-System Compaction Package (SUB-WT) for Water-Table Aquifers
S. A. Leake, D. L. Galloway
2007, Techniques and Methods 6-A23
A new computer program was developed to simulate vertical compaction in models of regional ground-water flow. The program simulates ground-water storage changes and compaction in discontinuous interbeds or in extensive confining units, accounting for stress-dependent changes in storage properties. The new program is a package for MODFLOW, the U.S. Geological...
Science and management in the Hanalei watershed: A trans-disciplinary approach: Proceedings from the Hanalei watershed workshop, February 21-22, 2007
Michael E. Field, Carl J. Berg, Susan A. Cochran, editor(s)
2007, Open-File Report 2007-1219
The results of recent studies in the Hanalei watershed are impressive, both in content and breadth. Funded, directed, and/or conducted by investigators from many disciplines from local organizations (the Hanalei Watershed Hui), the University of Hawai‘i, the State of Hawai‘i (Department of Health, Department of Land and Natural Resources), and...
Ground-Water Quality in the Genesee River Basin, New York, 2005-2006
David A.V. Eckhardt, J.E. Reddy, Kathryn L. Tamulonis
2007, Open-File Report 2007-1093
Water samples were collected from 7 community water system wells and 15 private domestic wells throughout the Genesee River Basin in New York State (downstream from the Pennsylvania border) from October 2005 through March 2006 and analyzed to characterize the chemical quality of ground water in the basin. The wells...
Quaternary stratigraphy, drainage-basin development, and geomorphology of the Lake Manix basin, Mojave Desert: Guidebook for fall field trip, Friends of the Pleistocene, Pacific Cell, October 4-7, 2007
Marith C. Reheis, David M. Miller, Joanna L. Redwine
2007, Open-File Report 2007-1281
The 2007 field trip of the Pacific Cell, Friends of the Pleistocene, visited features of the Quaternary geology and geomorphology of the Lake Manix basin in the Mojave Desert. This report is the guidebook for this trip and includes some discussion of relations observable along the road and at various...
Hydrologic conditions in northwest Florida: 2006 water year
Richard Jay Verdi
2007, Fact Sheet 2007-3054
National data for streamflow, ground-water levels, and quality of water for the 2006 water year are accessible to the public on the U.S. Geological Survey's (USGS) Site Information Management System (SIMS) website http://web10capp.er.usgs.gov/adr06_lookup/search.jsp. This fact sheet describes data and hydrologic conditions throughout northwest Florida during the 2006 water year (fig....
A history of flooding in the Red River Basin
Karen R. Ryberg, Kathleen M. Macek-Rowland, Tara A. Banse, Gregg J. Wiche
Cathy R. Martin (compiler), editor(s)
2007, General Information Product 55
The U.S. Geological Survey (USGS), one of the principal Federal agencies responsible for the collection and interpretation of water-resources data, works with other Federal, State, local, tribal, and academic entities to ensure that accurate and timely data are available for making decisions regarding public welfare and property during natural disasters...
Marl prairie vegetation response to 20th century hydrologic change
Christopher E. Bernhardt, Debra A. Willard
2007, Open-File Report 2006-1355
We conducted geochronologic and pollen analyses from sediment cores collected in solution holes within marl prairies of Big Cypress National Preserve to reconstruct vegetation patterns of the last few centuries and evaluate the stability and longevity of marl prairies within the greater Everglades ecosystem. Based on radiocarbon dating and pollen...
Tennessee StreamStats: A Web-Enabled Geographic Information System Application for Automating the Retrieval and Calculation of Streamflow Statistics
David E. Ladd, George S. Law
2007, Fact Sheet 2007-3081
The U.S. Geological Survey (USGS) provides streamflow and other stream-related information needed to protect people and property from floods, to plan and manage water resources, and to protect water quality in the streams. Streamflow statistics provided by the USGS, such as the 100-year flood and the 7-day 10-year low flow,...
Acid rain in Shenandoah National Park, Virginia
Karen C. Rice, Frank A. Deviney, Gordon Olson
2007, Fact Sheet 2007-3057
Visitors to Shenandoah National Park (SNP) enjoy the animal and plant life and the scenery but may not realize how vulnerable these features are to various threats, such as invasion of exotic plants and insects, improper use of park resources by humans, and air and water pollution. The National Park...
Mid-Pliocene Planktic Foraminifer Census Data from Ocean Drilling Program Hole 847C
Harry Dowsett, Rocio Caballero
2007, Data Series 295
Introduction The U.S. Geological Survey is conducting a long-term study of mid-Pliocene climatic and oceanographic conditions. One of the key elements of the study involves the use of quantitative composition of planktic foraminifer assemblages in conjunction with other proxies to constrain estimates of sea-surface temperature (SST) and to identify major oceanographic...
Watershed Effects on Streamflow Quantity and Quality in Six Watersheds of Gwinnett County, Georgia
Mark N. Landers, Paul D. Ankcorn, Keith W. McFadden
2007, Scientific Investigations Report 2007-5132
Watershed management is critical for the protection and enhancement of streams that provide multiple benefits for Gwinnett County, Georgia, and downstream communities. Successful watershed management requires an understanding of how stream quality is affected by watershed characteristics. The influence of watershed characteristics on stream quality is complex, particularly for the...
Water-Quality Characteristics for Sites in the Tongue, Powder, Cheyenne, and Belle Fourche River Drainage Basins, Wyoming and Montana, Water Years 2001-05, with Temporal Patterns of Selected Long-Term Water-Quality Data
Melanie L. Clark, Jon P. Mason
2007, Scientific Investigations Report 2007-5146
Water-quality sampling was conducted regularly at stream sites within or near the Powder River structural basin in northeastern Wyoming and southeastern Montana during water years 2001-05 (October 1, 2000, to September 30, 2005) to characterize water quality in an area of coalbed natural gas development. The U.S. Geological Survey, in...
Estimation of Freely-Dissolved Concentrations of Polychlorinated Biphenyls, 2,3,7,8-Substituted Congeners and Homologs of Polychlorinated dibenzo-p-dioxins and Dibenzofurans in Water for Development of Total Maximum Daily Loadings for the Bluestone River Watershed, Virginia and West Virginia
Robert W. Gale
2007, Open-File Report 2007-1272
The Commonwealth of Virginia Department of Environmental Quality, working closely with the State of West Virginia Department of Environmental Protection and the U.S. Environmental Protection Agency is undertaking a polychlorinated biphenyl source assessment study for the Bluestone River watershed. The study area extends from the Bluefield area of Virginia and...
Evaluation of the Contributing Area for Recovery Wells at the Naval Industrial Reserve Ordnance Plant, Fridley, Minnesota
J. Hal Davis
2007, Scientific Investigations Report 2007-5109
The Naval Industrial Reserve Ordnance Plant is located on the southernmost tip of Anoka County, Minnesota, within the City of Fridley, and about one-quarter mile east of the Mississippi River. Industrial production at the plant began in 1941 and has continued since that time. Contamination spills and poor disposal practices...
Three-Dimensional Geologic Framework Model for a Karst Aquifer System, Hasty and Western Grove Quadrangles, Northern Arkansas
Kenzie J. Turner, Mark R. Hudson, Kyle E. Murray, David N. Mott
2007, Scientific Investigations Report 2007-5095
Understanding ground-water flow in a karst aquifer benefits from a detailed conception of the three-dimensional (3D) geologic framework. Traditional two-dimensional products, such as geologic maps, cross-sections, and structure contour maps, convey a mental picture of the area but a stronger conceptualization can be achieved by constructing a digital 3D representation...
Ecological Status of Wyoming Streams, 2000-2003
David A. Peterson, Eric G. Hargett, Peter R. Wright, Jeremy R. Zumberge
2007, Scientific Investigations Report 2007-5130
The ecological status of perennial streams in Wyoming was determined and compared with the status of perennial streams throughout 12 States in the western United States, using data collected as part of the Western Pilot Environmental Monitoring and Assessment Program (EMAP-West). Results for Wyoming are compared and contrasted in the...
Selected water-quality data for the Standard Mine, Gunnison County, Colorado, 2006-2007
Philip L. Verplanck, Andrew H. Manning, M. Alisa Mast, Richard B. Wanty, R. Blaine McCleskey, Todor I. Todorov, Monique Adams
2007, Open-File Report 2007-1241
Mine drainage and underground water samples were collected for analysis of inorganic solutes as part of a 1-year, hydrogeologic investigation of the Standard Mine and vicinity. The U.S. Environmental Protection Agency has listed the Standard Mine in the Elk Creek drainage near Crested Butte, Colorado, as a Superfund Site because...
Water Budgets: Foundations for Effective Water-Resources and Environmental Management
Richard W. Healy, Thomas C. Winter, James W. LaBaugh, O. Lehn Franke
2007, Circular 1308
INTRODUCTION Water budgets provide a means for evaluating availability and sustainability of a water supply. A water budget simply states that the rate of change in water stored in an area, such as a watershed, is balanced by the rate at which water flows into and out of the area. An...
USGS Facts on Disc
Water Resources Division, U.S. Geological Survey
2007, Open-File Report 2002-210
Quantifying the benthic source of nutrients to the water column of Upper Klamath Lake, Oregon
James S. Kuwabara, Dennis D. Lynch, Brent R. Topping, Fred Murphy, James L. Carter, Nancy S. Simon, Francis Parcheso, Tamara M. Wood, Mary K. Lindenberg, Katryn Wiese, Ronald J. Avanzino
2007, Open-File Report 2007-1276
Executive Summary Five sampling trips were coordinated in April, May and August 2006, and May and July 2007 to sample the water column and benthos of Upper Klamath Lake, OR (Fig. 1; Table 1), before, during and after the annual cyanophyte bloom of Aphanizomenon flos-aquae (AFA). A pore-water profiler was designed...
Cause and solution for false upstream boat velocities measured with a StreamPro acoustic doppler current profiler
David S. Mueller, Mike S. Rehmel, Chad R. Wagner
2007, Conference Paper, Proceedings of Hydraulic Measurements & Experimental Methods 2007 Conference
In 2003, Teledyne RD Instruments introduced the StreamPro acoustic Doppler current profiler which does not include an internal compass. During stationary moving-bed tests the StreamPro often tends to swim or kite from the end of the tether (the instrument rotates then moves laterally in the direction of the rotation). Because...