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301 - 325 of 417 Items << < 8 9 10 11 12 13 14 15 16 17 > >>
301 - 325 of 417 Items << < 8 9 10 11 12 13 14 15 16 17 > >>
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The rare earth elements (REEs) have been established as powerful tracers for a range of physiochemical processes occurring in the natural environment. They also hold significant economic importance as many technological advancements are reliant...
2017-03-17 (iso8601)
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Field and laboratory measurements of process rates for runoff and salt movement were used to develop and calibrate a hydrosalinity model of outlfows from the Price River Basin at Woodside, Utah. The field...
1982-01-01
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A water resource study of the Lower Henry's Fork area and the Upper Snake River Basin in Idaho was undertaken to evaluate the hydrological relationships between the perched and regional groundwater tables, river reach-gain and irrigation water...
1977-06-01
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The purpose of this project was to determine the potential for migration of heavy metals of Lake Coeur d'Alene into the Spokane Valley/Rathdrum Prairie Aquifer, as a result of changing lake chemistry caused by eutrophication. The upper sediment...
1993-11-01
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Injection of wastes into the Hawaiian subsurface environment presents
unique problems because the waste effluents normally are injected into the salt or brackish water underlying the fresh Ghyben-Herzberg lens. Because the waste water commonly has...
2008-08-07
2008-08-07 1976-02-01 |
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Optimal sustained-yield pumping strategies were developed for the irrigated and industrialized eastern shore of the Great Salt Lake. The combined optimization and simulation model contains steady-state, finite difference, quasi-three-dimensional,...
1991-06-23
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Assuring the sustained availability of groundwater from all parts of an aquifer system is analogous to assuring that the potentiometric surface does not change over the long term. Such a steady-state surface is maintained by a specific spatially...
1985-06-10
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Groundwater contamination by agricultural fertilization is a widely recognized problem in the USA and worldwide. Here in Hawaii, agricultural fields have posed a threat to the invaluable basal aquifer. The concentration of nitrate-N in the Pearl...
2012-02-03
2012-02-03 1996-12-01 |
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The Stephen Gary Erikson papers (1957-2016) contain materials documenting Erickson's activities in opposition to the manufacture, testing, and storage of weapons of mass destruction in Utah and the Intermountain West. Included are correspondence,...
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Only portions of issues of The Water Report are available in the Klamath Waters Digital Library. See the full report at http://www.thewaterreport.com/
2006-04-15
2008-07-29 2006-06-13 |
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In an effort to reduce suspended solids and organic carbon loading and to increase long-term groundwater recharge rates at Orange County Water District’s spreading basins, a pilot project was conducted to evaluate riverbed filtration as a...
2011-05-25 (iso8601)
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Diverse water management simulation/optimization (S/O) experiences promoted the development of many S/O modeling approaches and models. Several of these are being incorporated within the Simulation/Optimization Modeling System (SOMOS). Non-modeler...
2001-01-01
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There is a clear national need to provide geoscience researchers with seamless and fast access to essential geo-spatial/geo-temporal data to support physics-based numerical models necessary to understand, predict and manage the nations surface and...
2012-12-03
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Canyon, which forms the basin's eastern boundary. The watershed is typical of basins in the arid west, with substantial snowpack in upper elevations melting in a spring freshet, then diminishing to summer flow levels sustained by groundwater...
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The Rio Grande originates in the southern Colorado Rocky Mountains, flows through New Mexico, and forms the border between the U.S. and Mexico on its way to the Gulf of Mexico. Serving over one-million acres of irrigated land and the municipal and...
2007-11-28
2007-11-28 2001-02-01 |
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The Las Vegas Wash is a wetlands ecosystem that acts to buffer the effects of wastewater discharges on the receiving waters of Lake Mead. The wash is the terminus for the 4,144 km2 Las Vegas Valley drainage basin, emptying into Las Vegas Bay of...
1983-01-01
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We characterize how regional watersheds function as simple, dynamic systems through a series of hysteresis loops using measurements from NASA's Gravity Recovery and Climate Experiment (GRACE) satellites. These loops illustrate the temporal...
2015 (iso8601)
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An interactive method is presented for modifying a mtltiobjective water resources planning strategy by changing constraining conditions on regional objectives and local variables. The method is illustrated by modifying a conjunctive use. sustained...
1985-12-01
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Document: "Estimate of winter flow of Colorado River to Mexico excluding Wellton-Mohawk Drainage Waters," Draft 12/12/64 (photocopy), page 3
1964-12-12
2006-09-14 |
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Report on the geology and groundwater of southern Nevada.
2024-05-03
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This volume contains a collection of short papers that document some of the conclusions and results of on-going investigations related to ground-water resources of the Middle Rio Grande Basin, New Mexico. These results, and additional project...
2024-05-03
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The goal of this research was to mathematically simulate the ability of
bioaugmented microorganisms to aerobically cometabolize a mixture of chlorinated
aliphatic hydrocarbon (CAH) compounds during in-situ treatment. Parameter values
measured from...
2002-09-26 (iso8601)
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MIKE SHE is a fully distributed, physically-based hydrologic model that can simulate water
movement over and under the Earth's surface. Evapotranspiration (ET) is one of the
components of this model. MIKE SHE uses a modification of the Kristensen...
2008-01-07T16:21:14Z (iso8601)
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Director's Report Nebraska Groundwater Foundation Report on Irrigation Tour Meeting of Nebraska Water Conference Council Meeting of University-Wide Forum on Water Policy New Book on Water Law Research Review: Interpretation of Vegetation...
1985-09-01
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In June 2009, the Idaho Water Resources Research Institute (IWRRI) and Idaho Department of Water Resources (IDWR) produced a report on the managed recharge project conducted in Egin, Idaho entitled “Monitoring of Egin, Idaho Recharge Experiment,...
2010-07-01
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