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551 - 575 of 678 Items << < 18 19 20 21 22 23 24 25 26 27 > >>
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A pumped storage system consists of an upper reservoir and lower reservoir separated by an elevation difference. During low demand energy periods such as nights and weekends water is pumped from the lower to the upper reservoir using available...
1988-06-01
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As a part of the U.S. Geological Survey National Water-Quality Assessment (NAWQA) Program, hydrologic and water-quality assessment of the Upper Colorado River Basin (UCOL) study unit began in 1994. Prior to the design of the integrated studies of...
1998-05-18
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The Coeur d'Alene River system of northern Idaho is divided into three components: the North Fork which supports a healthy aquatic community, the South Fork which has received mining and domestic wastes for over 80 years and during which time has...
1971-02-01
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Water-resources data for the 2004 water year for New Mexico consist of records of discharge and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water levels and water quality in wells and springs. This...
2024-05-18
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Abstract: Water-resources data for the 2004 water year for Texas are presented in six volumes, and consist of records of stage, discharge, and water quality of streams and canals; stage, contents, and water-quality of lakes and reservoirs; and...
2024-05-18
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An investigation was made into the biological effects of metallic pollution in the Coeur d'Alene-Spokane River Lake drainage system. Water quality data show heavy inflows of nutrients during late spring into Coeur d'Alene Lake from the St. Joe...
1973-06-30
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In 1995, the U.S. Geological Survey conducted a study to characterize nutrient concentrations in five off-stream reservoirs in the lower South Platte River Basin-Riverside, Jackson, Prewitt, North Sterling, and Julesburg. These reservoirs are...
2024-05-18
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Water quality samples were collected at sites in 16 randomly selected agricultural and 4 urban subbasins as part of Phase III of the Willamette River Basin Water Quality Study in Oregon during 1996. Ninety-five samples were collected and analyzed...
1997-05-18
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Caption title; Includes bibliographical references
2009-03-13 2009-04-20 |
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Project summary, reports, correspondence, and other documents related to studies of, disagreements over, and plans to improve water quality in the Lower Arkansas River Basin in Colorado
2015-10-21 2015-10-21 |
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A Professional Project Report Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Water Resources, Hydroscience Option,
The University of New Mexico, Water Resources Program,
Albuquerque, New Mexico, May 2003
2010-09-17
2010-09-17 2010-09-17 |
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Notice of conference call regarding phase 2 contract amendment CEQA with an agenda and a list of people to attend.
2000-05-30
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The ratio of the number of observed taxa to that expected to occur in the absence of human-caused stress (OIE) is an intuitive and ecologically meaningful measure of biological integrity. We examined how OIE ratios derived from stream invertebrate...
2000-01-01
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During the period of October 1974 to August 1976, a study was conducted to measure the effects of surface soil removal on plant production, plant transpiration rates, nitrate nitrogen mineralization rates, and selected hydrologic parameters...
1978-05-01
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Water quality data for the Colorado Canal and Lake Meredith by the City of Colorado Springs Water Quality Lab
2007-01-02 2007-01-02 |
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2010-02-15
2010-02-15 2003-05-01 2010-02-15 |
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With a focused objective of providing additional water quality information in the intervening coastal prairie area and an overall objective of improving the understanding of the relations between farming practices and stream quality in the Trinity...
1996-10-01
2008-11-18 2008-11-18 1996-10-01 2008-11-18 |
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"This report describes results of a reconnaissance level field investigation of the quality of irrigation drain water and the effects of its use on federally managed wildlife refuges in the Klamath Basin, California and Oregon. The investigation...
1991-05-18
2005-02-07 2005-02-07 |
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Seventeen toxic chemicals were bioassayed to investigate the possibility of measurable physiological responses to death in northern squawfish. Lethal indices, dependent upon concentration and temperature for each chemical, in terms of time between...
1969-01-01
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The report discusses the Paradise Creek watershed with reference to the urban communities associated with it, the agricultural practices, the hydrology, the soil and the life forms.
1997-05-18
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Since 1890, mining of lead, silver and zinc has occurred in the Coeur D' Alene mining district. In the early days, jig tailings containing sphalerite and other heavy metal sulfides were discharged directly into the South Fork Coeur D' Alene River...
1989-04-01
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The U.S. Geological Survey, in cooperation with the Grand County Board of County Commissioners, conducted a 4-year study to assess ground- and surface-water-quality conditions and ground-water quantity in the 302-square-mile Fraser River watershed...
2024-05-18
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