Results
376 - 400 of 417 Items << < 11 12 13 14 15 16 17 > >>
376 - 400 of 417 Items << < 11 12 13 14 15 16 17 > >>
|
Capture zones of water-supply wells are a widely used analysis tool for protection of groundwater resources. Transient analyses of capture zones provide a more complete assessment than the commonly applied steady-state analyses. Previously, we...
2006-07-19
|
|
The Pecos River Ecosystem Project is attempting to minimize the negative impacts of saltcedar
on the river ecosystem, and improve the efficiency of water delivery and stream flow. The
project is designed to decrease the number of saltcedar with...
2007-11-19
2007-11-19 2024-05-03 |
|
For several decades, land managers have cleared brush species, such as mesquite and juniper (cedar), and observed increases in spring and streamflows. Scientists have also conducted numerous studies in which they have measured the effects of brush...
2009-01-12
2009-01-12 2008-11-01 |
|
Report contains a summary of the progress of the larger report on the environmental impact of Owens Valley water pumping by the Los Angeles Department of Water and Power. Report contains graphs on groundwater pumping patterns and amount of water...
1978-12-18
|
|
In recent years, several pesticide-related contaminants have been detected in the basal waters of southern and central O'ahu aquifers. Dibromochloropropane (DBCP) and ethylene dibromide (EDB), two soil fumigants which were previously used by...
2010-10-04
2010-10-04 1985-11-01 |
|
Document: Chapter III, Present Water Supplies and Uses: "Pacific Southwest Water Plan", August 1963, page 9
1963-08-01
|
|
6. Support studies necessary for the satisfactory and orderly continuation of the above studies, including mapping, geology, water supply, regional economic, and others.
Water Interchange Projects--Water interchange projects should be considered...
|
|
Report entitled "City of Colorado Springs Groundwater Development, Augmentation, and Exchange Plans," which presents the engineering basis for development of the plan for augmentation as set forth in Case No. 89-CW-36. This report also presents...
1989-05-03
2007-01-02 2007-01-02 |
|
As part of an ongoing investigation of water quality conditions in the Tualatin River Basin, the Uni-fied Sewerage Agency and the U.S. Geological Survey measured phosphorus and E. coli concentrations in the Fanno Creek and Bronson Creek subbasins....
2024-05-03
|
|
Beaver dams and beaver activity affect hydrologic processes, sediment transport, channel complexity and water quality of streams. Beaver ponds, which form behind beaver dams, increase in-channel water storage affecting the timing and volume of...
2013-12-01
|
|
For several decades, land managers have cleared brush species, such as mesquite and juniper (cedar), and observed increases in spring and streamflows. Scientists have also conducted numerous studies in which they have measured the effects of brush...
2009-01-12
2009-01-12 2008-11-01 |
|
Irrigation strategies which maximize crop yield while maintaining target salt concentration in the root zone and/or prevent salt from leaching to the groundwater are computed using a nonlinear, one dimensional, simulation/optimization management...
1994-01-01
|
|
A water management study to include a complete water budget of the irrigated area of the Snake River fan in eastern Idaho was initiated in May 1970. The study was initiated to develop alternate management solutions to the increasing high water...
1971-08-01
|
|
The U.S. Army Corps of Engineers (COE) has proposed a project that would reduce the flow from saline springs and seeps within the groundwater alluvium of the Red River Basin. While the amount of salts moving through the alluvium would be...
2007-12-05
2007-12-05 1980-09-01 |
|
Document: Chapter VI, The Plan Of Development: "Pacific Southwest Water Plan", August 1963, page 14
1963-08-01
|
|
maintain the wildlife habitat and provide adequate water supplies for the production of trout both in the fish hatcheries and rearing ponds and in the natural watercourses. Restoration of groundwater levels would solve most fish and wildlife...
|
|
A desalting plant near San Diego has been in operation since March 1962. It is the first large multistage flash distillation plant in the United States. It was constructed by the United States Government and the State of California for the purpose...
|
|
Predominant material types include reports, articles, memoranda, correspondence, data, calculations, notes, diaries, slides, photographs, negatives, artifacts, maps, and charts.
2007-01-02
2007-01-02 2024-05-03 |
|
Mt. Millicent is part of the Brighton Bowl at the top of Big Cottonwood Canyon. Late spring and early summer snowmelt provides approximately 50% of the flow in Wasatch Front streams. The rest comes from residual melting, rain and groundwater...
2008-02-29
|
|
2. The Wallowa County-Nez Perce Initiative
Watershed efforts first took shape in Wallowa County, the ancestral home of the Wallowa band of Nez Perce Indians (also known as the -Joseph band). Headwaters begin in the steep canyons in the...
|
|
We have developed a compact micro total analysis system (μTAS) to serve as a platform for in-situ spectrophotometric water quality monitoring. Individual fluidic, optical, and electrical components were designed, developed, and characterized....
2009-07-13 (iso8601)
|
|
The hyporheic zone influences the thermal regime of rivers, buffering temperature by storing and releasing heat over a range of timescales. We examined the relationship between hyporheic exchange and temperature along a 24-km reach of the lower...
2008-01-22T18:35:16Z (iso8601)
|
|
The Franklin County, Idaho landfill is located on deltaic sediments deposited where the Bear River emptied into Pleistocene Lake Bonneville and its predecessors over the last few hundred thousand years. The sediments of the delta consist of...
1996-07-01
|
|
The Arroyo Colorado flows through Hidalgo, Cameron and Willacy Counties in the Lower Rio Grande Valley of Texas into the Laguna Madre and is the major source of fresh water to the lower Laguna Madre. The Arroyo Colorado is an economically and...
2013-06-12
2013-06-12 2012-05-01 |
|
A lumped parameter model has been developed to simulate monthly water levels and spring flows in the Edwards Aquifer. It is less complex and easier to use than the existing complex finite difference models for the Edwards Aquifer. The lumped...
2007-11-30
2007-11-30 1993-09-01 |
