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Page 1052, results 26276 - 26300

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Hydrology and water quality of lakes and streams in Orange County, Florida
Edward R. German, James C. Adamski
2005, Scientific Investigations Report 2005-5052
Orange County, Florida, is continuing to experience a large growth in population. In 1920, the population of Orange County was less than 20,000; in 2000, the population was about 896,000. The amount of urban area around Orlando has increased considerably, especially in the northwest part of the County. The eastern...
Analysis of ground-water levels and associated trends in Yucca Flat, Nevada Test Site, Nye County, Nevada, 1951-2003
Joseph M. Fenelon
2005, Scientific Investigations Report 2005-5175
Almost 4,000 water-level measurements in 216 wells in the Yucca Flat area from 1951 to 2003 were quality assured and analyzed. An interpretative database was developed that describes water-level conditions for each water level measured in Yucca Flat. Multiple attributes were assigned to each water-level measurement in the database to...
Potential for formation of disinfection by-products from storage of chlorinated surface water in the Basalt aquifer near Fallon, Nevada
Miranda S. Fram, Douglas K. Maurer, Michael S. Lico
2005, Scientific Investigations Report 2005-5142
Increased pumpage from a basalt aquifer near Fallon, Nevada, has caused its water levels to decline and has induced changes in the quality of water pumped from the basalt. The aquifer is the sole source of water for municipal supply to the city of Fallon, the Naval Air Station Fallon,...
Physical, chemical, and biological characteristics of Sturgeon Lake, Goodhue County, Minnesota, 2003-04
Kathy Lee, Christopher A. Sanocki, Gary R. Montz
2005, Scientific Investigations Report 2005-5182
The U.S. Geological Survey, in cooperation with the Prairie Island Indian Community and the Minnesota Department of Natural Resources, conducted a study of Sturgeon Lake (a backwater lake in Navigation Pool 3 of the Mississippi River) during 2003-04 to describe the physical, chemical, and biological characteristics of the lake. Riparian...
Southern California — Wildfires and debris flows
Water Resources Division, U.S. Geological Survey
2005, Fact Sheet 2005-3106
Wildland fires are inevitable in the western United States. Expansion of man-made developments into fire-prone wildlands has created situations where wildfires can destroy lives and property, as can the flooding and debris flows that are common in the aftermath of the fires. Fast-moving, highly destructive debris flows triggered by...
Questa baseline and premining ground-water quality investigation. 8. Lake-sediment geochemical record from 1960 to 2002, Eagle Rock and Fawn Lakes, Taos County, New Mexico
S. E. Church, D.L. Fey, M. E. Marot
2005, Scientific Investigations Report 2005-5006
Geochemical studies of lake sediment from Eagle Rock Lake and upper Fawn Lake were conducted to evaluate the effect of mining at the Molycorp Questa porphyry molybdenum deposit located immediately north of the Red River. Two cores were taken, one from each lake near the outlet where the sediment was...
Reconnaissance of surface-water and ground-water quality at the Lincoln Boyhood National Memorial near Lincoln City, Indiana, 2001-02
Paul M. Buszka, Kathleen K. Fowler
2005, Scientific Investigations Report 2005-5066
In cooperation with the National Park Service, the U.S. Geological Survey investigated water quality of key water bodies at the Lincoln Boyhood National Memorial near Lincoln City in southwestern Indiana. The key water bodies were a stock pond, representing possible nonpoint agricultural effects on water quality; an ephemeral stream, representing...
Hydrothermal vent fluids, siliceous hydrothermal deposits, and hydrothermally altered sediments in Yellowstone Lake
W. C. Pat Shanks, Lisa Morgan, Laurie S. Balistrieri, Jeffrey C. Alt
2005, Conference Paper
Stable isotopic (dD and d18O) data indicate about 13% total evaporative concentration has occurred in Yellowstone Lake, yet lake waters are enriched in dissolved As, B, Cl, Cs, Ge, Li, Mo, Sb, and W by at least an order-of-magnitude relative to the flow-weighted composition of inflowing streams. We conclude that...
The U-tube: A novel system for acquiring borehole fluid samples from a deep geologic CO2 sequestration experiment
Barry M. Freifeild, Robert C. Trautz, Yousif K. Kharaka, Tommy J. Phelps, Larry R. Myer, Susan D. Hovorka, Daniel J. Collins
2005, Journal of Geophysical Research Solid Earth (110)
A novel system has been deployed to obtain geochemical samples of water and gas, at in situ pressure, during a geologic CO2 sequestration experiment conducted in the Frio brine aquifer in Liberty County, Texas. Project goals required high-frequency recovery of representative and uncontaminated aliquots of a rapidly changing two-phase fluid...
Historical perspective of statewide streamflows during the 2002 and 1977 droughts in Colorado
Gerhard Kuhn
2005, Scientific Investigations Report 2005-5174
Since 1890, Colorado has experienced a number of widespread drought periods; the most recent statewide drought began during 1999 and includes 2002, a year characterized by precipitation, snowpack accumulation, and streamflows that were much lower than normal. Because the drought of 2002 had a substantial effect on streamflows in Colorado,...
Southern California landslides-an overview
Water Resources Division, U.S. Geological Survey
2005, Fact Sheet 2005-3107
Southern California lies astride a major tectonic plate boundary defined by the San Andreas Fault and numerous related faults that are spread across a broad region. This dynamic tectonic environment has created a spectacular landscape of rugged mountains and steep-walled valleys that compose much of the region’s scenic beauty. Unfortunately,...
Effects of emission reductions at the Hayden powerplant on precipitation, snowpack, and surface-water chemistry in the Mount Zirkel Wilderness Area, Colorado, 1995-2003
M. Alisa Mast, Donald H. Campbell, George P. Ingersoll
2005, Scientific Investigations Report 2005-5167
Precipitation, snowpack, and surface-water samples collected during 1995-2003 were analyzed to evaluate the effects of emission reductions at the Hayden powerplant on water chemistry in the Mount Zirkel Wilderness Area. The Hayden powerplant, one of two large coal-fired powerplants in the Yampa Valley, was retrofitted with control systems during...
Characterization of surface-water quality in the S-Line Canal and potential geochemical reactions from storage of surface water in the Basalt aquifer near Fallon, Nevada
Alan H. Welch, Douglas K. Maurer, Michael S. Lico, John K. McCormack
2005, Scientific Investigations Report 2005-5102
The Fallon basalt aquifer serves as the sole source of municipal water supply for the Lahontan Valley in west-central Nevada. Principal users include the City of Fallon, Naval Air Station Fallon, and the Fallon Paiute-Shoshone Tribe. Pumpage from the aquifer increased from about 1,700 acre-feet per year in the early...
Historical subsidence and wetland loss in the Mississippi delta plain
Robert A. Morton, Julie Bernier, John A. Barras, Nicholas F. Ferina
2005, Conference Paper, Gulf Coast Association of Geological Societies Transactions
Five representative areas of the Mississippi River delta plain were investigated using remote images, marsh elevations, water depths, sediment cores, and radiocarbon dates to estimate the timing, magnitudes, and relative rates of marsh erosion and land subsidence at geological and historical time scales. In the Terrebonne-Lafourche region of rapid interior-wetland...
Water use for irrigation in Michigan, 2001
Michele L. Morenz, Ron L. Van Til, Carol L. Luukkonen
2005, Fact Sheet 2005-3079
Each year, water-use data for Michigan are compiled or estimated by the Michigan Department of Environmental Quality (MDEQ), working in cooperation with the U. S. Geological Survey (USGS). The resulting information provides a category-by-category profile of over 4,200 facilities throughout the State. The data are reported in the Michigan Water...
Influence of geologic setting on ground-water availability in the Lawrenceville area, Gwinnett County, Georgia
Lester J. Williams, Randy L. Kath, Thomas J. Crawford, Melinda J. Chapman
2005, Scientific Investigations Report 2005-5136
Obtaining large quantities of ground water needed for municipal and industrial supply in the Piedmont and Blue Ridge physiographic provinces can be challenging because of the complex geology and the typically low primary permeability of igneous and metamorphic rocks. Areas of enhanced secondary permeability in the bedrock do occur, however,...
Estimation of constituent concentrations, densities, loads, and yields in lower Kansas River, northeast Kansas, using regression models and continuous water-quality monitoring, January 2000 through December 2003
Teresa J. Rasmussen, Andrew C. Ziegler, Patrick P. Rasmussen
2005, Scientific Investigations Report 2005-5165
The lower Kansas River is an important source of drinking water for hundreds of thousands of people in northeast Kansas. Constituents of concern identified by the Kansas Department of Health and Environment (KDHE) for streams in the lower Kansas River Basin include sulfate, chloride, nutrients, atrazine, bacteria, and sediment. Real-time...