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Articles 1 - 30 of 89
Full-Text Articles in Physical Sciences and Mathematics
Radionuclides In Dardanelle Lake In The Area Of The Nuclear I Facility: 1979-1981, D. M. Chittenden Ii
Radionuclides In Dardanelle Lake In The Area Of The Nuclear I Facility: 1979-1981, D. M. Chittenden Ii
Technical Reports
The variations of the concentrations of 90Sr and 137Cs at four stations in Dardanelle Reservoir were analyzed as functions of two parameters: concentration of ionic species and the activity released, Ar, from the two 900 Mw reactors which use the reservoir as a source of cooling water. Multiple regression analyses were performed on the radionuclide concentrations using the two parameters as predictors. The analyses indicated that 90Sr is in a state of equilibrium between the solution and the suspended sediment. The position of the equilibrium was found to be quite sensitive to changes in the concentration of alkaline earth cations, …
A Salt And Water Balance Model For A Silt Loam Soil Cropped To Rice And Soybean, J. T. Gilmour, J. A. Ferguson, B. R. Wells
A Salt And Water Balance Model For A Silt Loam Soil Cropped To Rice And Soybean, J. T. Gilmour, J. A. Ferguson, B. R. Wells
Technical Reports
A computer model was developed which described salt and water balances for a silt loam soil common to the Grand Praire physiographic region of Arkansas. A ten year period of weather data (1966-75) was used as input data for two divergent cases in regard to salt accumulation. Case one was a rice-soybean rotation with soybean irrigated, while case two was a rice-soybean-soybean rotation with soybean not irrigated. Salts considered were calcium, magnesium, sodium, sulfate and chloride as well as the precipitate, calcium carbonate. Where soybeans were not irrigated less evapotranspiration, more infiltration and less runoff were observed during the fallow …
Volume 5, Number 12 (December 1981), The Solar Ocean Energy Liaison
Volume 5, Number 12 (December 1981), The Solar Ocean Energy Liaison
The OTEC Liaison
No abstract provided.
Water Current, Volume 13, No. 6, November/December 1981
Water Current, Volume 13, No. 6, November/December 1981
Water Current Newsletter
Water Seminars Start in January
UNL Coordinates Three University Study of 1976-77 Drought Relief Program
1980 River Basin Proceedings Published
Water Planning Update
NWRC Staffer Now Fellow at UNL Great Plains Center
Research Review: Distribution of Nitrogen Under Native Range Cultivated Fields in the Nebraska Sandhills
Nebraska Could Add Muscle to Interstate Water Negotiations
Laws Prevent Use of Permit System in Nebraska's Sandhills
Fischbach Predicts Irrigation Scheduling Will Catch On
Comments Wanted on Newsletter Format
Characterization Of La Verkin Springs Water And Methods For Its Reuse In Energy Development, United States Department Of The Interior, Bureau Of Reclamation
Characterization Of La Verkin Springs Water And Methods For Its Reuse In Energy Development, United States Department Of The Interior, Bureau Of Reclamation
Water
Analytical water data obtained from a 9-month test program at the LVS (LaVerkin Springs) site, which is located in Washington County, Southwestern Utah, were evaluated. Fresh water and the water after processing through various pretreatment steps and after ED (electrodialysis) desalting and by desalting processes was demonstrated by the LVS site test program. The relative merit of different methods of treatment, disposal, and reuse of LVS water were studied. The objectives of the study were to evaluate methods for preventing high salinity LVS water from entering the Virgin River and for utilizing the processed water in energy development. The disposal …
Volume 5, Number 11 (November 1981), The Solar Ocean Energy Liaison
Volume 5, Number 11 (November 1981), The Solar Ocean Energy Liaison
The OTEC Liaison
No abstract provided.
A Benefit Cost Analysis Of A Soil Erosion Control Program For The Northern Watershed Of Lake Chicot, Arkansas, C. Tim Osborn, Alan D. Mcqueen, Robert N. Shulstad
A Benefit Cost Analysis Of A Soil Erosion Control Program For The Northern Watershed Of Lake Chicot, Arkansas, C. Tim Osborn, Alan D. Mcqueen, Robert N. Shulstad
Technical Reports
Lake Chicot, a 5,025-acre oxbow lake created by the ancient meandering of the Mississippi River, is located near the town of Lake Village in Chicot County of southeastern Arkansas (Fig. 1). Today the lake is separated into a northern basin of 1,154 acres and a southern basin of 3,871 acres by a levee maintained by the Arkansas Game and Fish Commission (Fig. 2). The entire lake once offered excellent fishing and recreational benefits. But with channelization in the drainage basin and final closure of the Cypress Creek gap along the Mississippi River levee in 1920, drainage and flood waters from …
Feasibility Study For A Beaver Reservoir Agricultural Water Supply Volume I, James Ferguson, Robert Shulstad, William Bateman
Feasibility Study For A Beaver Reservoir Agricultural Water Supply Volume I, James Ferguson, Robert Shulstad, William Bateman
Technical Reports
An irrigation district of approximately 30,000 acres has been proposed to be located in Washington and Benton Counties in Northwest Arkansas utilizing water from Beaver Reservior. This report on the economic benefits of such a district is done under contract No. DACW03-81-C for the U.S. Army Corps of Engineers by the Water Resources Research Center at the University of Arkansas.
Volume 5, Number 10 (October 1981), The Solar Ocean Energy Liaison
Volume 5, Number 10 (October 1981), The Solar Ocean Energy Liaison
The OTEC Liaison
No abstract provided.
Feasibility Study For A Beaver Reservoir Agricultural Water Supply Volume Ii, James Ferguson, Robert Shulstad, William Bateman
Feasibility Study For A Beaver Reservoir Agricultural Water Supply Volume Ii, James Ferguson, Robert Shulstad, William Bateman
Technical Reports
An irrigation district of approximately 30,000 acres has been proposed to be located in Washington and Benton Counties in Northwest Arkansas utilizing water from Beaver Reservior. This report on the economic benefits of such a district is done under contr
Water Current, Volume 13, No. 5, September/October 1981
Water Current, Volume 13, No. 5, September/October 1981
Water Current Newsletter
From the Desk of the Director
Water Problems Ranked as #1 Priority
Coordination of Water Extension Programs
Water Resources Seminar Series
Agricultural and Water Research Fund Projects
Project Funded by OWRT
NWRC Research Program
States to Continue Regional Water Resources Efforts
Water Conservation Workshops Project
No Funds for State Water Institutes
Watt Reaffirms State Control of Water in Announcing New Legal Opinion
Repeal of Principles and Standards
Research Review: Measurement of Actual Transpiration of Native Grass Stands as a Component of Nebraska Sandhills Groundwater Hydrology
A Faunal Analysis Of The Springs Of The Ouachita Mountains, Arkansas, Henry W. Robison
A Faunal Analysis Of The Springs Of The Ouachita Mountains, Arkansas, Henry W. Robison
Technical Reports
Spring ecosystems in Arkansas have historically received little attention. A faunal survey was made of 33 springs located in the core area Ouachita Mountains physiographic province. The study area was 135 x 80 km extending west from Hot Springs, Arkansas to the Oklahoma line. Springs in the Ouachita Mountain physiographic province were characterized as generally faunistically poor with often a single species such as the isopod, Lirceus h. hoppinae, being the dominant faunal element both numerically and with regard to biomass. A total of 40 species of invertebrate species and eight vertebrate species were collected from the spring environs during …
Application Of A New Method For Quantitative Evaluation Of Stream Benthic Algal Populations, Richard L. Meyer, Neil Woomer
Application Of A New Method For Quantitative Evaluation Of Stream Benthic Algal Populations, Richard L. Meyer, Neil Woomer
Technical Reports
The response of stream biota to changing water quality or other ecosystem perturbations is an important means of assessing water quality. The dynamic nature of streams induces significant sampling and measurement problems. In smaller streams a true algal plankton subcommunity is lacking and the major location for the production of algae is attachment onto stones and other stable surfaces at the substrate-water interface. Several artificial techniques have been developed to analyze the composition of a portion of the epiphytic periphyton (algae attached to stones) but not populations which are qualitatively and quantitatively similar to natural substrates. A newly developed substrate …
Estimating Water Demand Schedules For Selected Industries In Arkansas, Joseph A. Ziegler, Stephen E. Bell
Estimating Water Demand Schedules For Selected Industries In Arkansas, Joseph A. Ziegler, Stephen E. Bell
Technical Reports
Water demand functions for the paper and chemical industries in the state of Arkansas were estimated utilizing data collected from individual plants throughout the state. Regression analysis was used to estimate demand functions from a data base which included information on intake and gross water use by source, recirculated water use, costs of acquiring, treating, and discharging water, plant output, employment, and level of technology. The demand for intake water was estimated as an exponential function of average water costs and the level of technology primarily. Price elasticities of demand were estimated as approximately equal to one for both industries. …
Volume 5, Number 9 (September 1981), The Solar Ocean Energy Liaison
Volume 5, Number 9 (September 1981), The Solar Ocean Energy Liaison
The OTEC Liaison
No abstract provided.
Classification And Ranking Of Selectd Arkansas Lakes, Robert E. Babcock, Eugene H. Schmitz, Thomas Buchanan, Richard L. Meyer, James I. Meinecke, David B. Czarnecki
Classification And Ranking Of Selectd Arkansas Lakes, Robert E. Babcock, Eugene H. Schmitz, Thomas Buchanan, Richard L. Meyer, James I. Meinecke, David B. Czarnecki
Technical Reports
Trophic-state related problems associated with waters in the United States have generated tremendous public interest and concern, particularly during the past decade. These interests and concerns led to Public Law 92-500, the mandate by Congress known as the Federal Water Pollution Control Act. Various sections of PL 92-500 directly address the need for trophic-state analyses, particularly Section 314 referred to as the Clean Lakes Program which assigns states the responsibility for classifying their lakes according to water quality, identifying methods of pollution control and restoring those lakes which have become degraded.
Low Pressure Membrane Separation Process To Remove Heavy Metal Complexes, Dibakar Bhattacharyya, Chin-Shun Cheng
Low Pressure Membrane Separation Process To Remove Heavy Metal Complexes, Dibakar Bhattacharyya, Chin-Shun Cheng
KWRRI Research Reports
The overall objective of this investigation is to establish the rejection behavior of heavy metals in the presence of complexing agents, utilizing negatively charged ultrafiltration membranes. An extensive experimental investigation is conducted with Zn2+, Cd2+, Cu2+, and Cu1+ in the presence of cyanide, ethylenediamine tetraacetic acid, and oxalates, under insignificant concentration polarization condition. The rejection dependence of the heavy metals is found to be a function of feed metal concentration, metal types, complexing agent to metal feed molar ratio, pH and ionic strength. The dependence of rejection behavior of heavy metals and complexing …
Water Quality Considerations In The Slurry Pipelining Of Coal, James W. Moore
Water Quality Considerations In The Slurry Pipelining Of Coal, James W. Moore
Technical Reports
Interest in the use of slurry pipelines for the movement of large volumes of coal over long distances has increased rapidly during the last decade. In the early 1970's, this interest involved the movement of Western coals to markets in the southwestern and western United States. In recent years, however, interest in the use of slurry pipelines for transporting Eastern coal developed. Very little information was available concerning the water quality aspects of the slurry pipelining of Eastern coal. The research program was developed to commence building the data base in this regard. Extensive water quality investigations were conducted using …
Volume 5, Number 8 (August 1981), The Solar Ocean Energy Liaison
Volume 5, Number 8 (August 1981), The Solar Ocean Energy Liaison
The OTEC Liaison
No abstract provided.
Water Current, Volume 13, No. 4, July/August 1981
Water Current, Volume 13, No. 4, July/August 1981
Water Current Newsletter
Community Course on Water in Nebraska
Assistant Instructor in Water Resources Communications
Sandhills Research Package Being Developed
Governors May Seek Continued Regional Water Planning Efforts
Missouri River Basin Commission Water Use Information Needs Assessment
Interior Appropriations Bill
Water Planning Bill Approved by Committee
Dr. Dallas Peck Nominated to Head USGS
Volume 5, Number 7 (July 1981), The Solar Ocean Energy Liaison
Volume 5, Number 7 (July 1981), The Solar Ocean Energy Liaison
The OTEC Liaison
No abstract provided.
Diagenesis Of Organic Matter In Las Vegas Bay And Bonelli Bay, Lake Mead, James W. Murray, Carolyn J. Jones, Kathy Kuivila, Jeff Sawlan
Diagenesis Of Organic Matter In Las Vegas Bay And Bonelli Bay, Lake Mead, James W. Murray, Carolyn J. Jones, Kathy Kuivila, Jeff Sawlan
Publications (WR)
The interstitial water chemistry of the sediments of Las Vegas Bay and Bonelli Bay in Lake Mead has been studied as part of a comprehensive water quality study of those locations. Pore water and solid phase analyses were completed from four stations in Las Vegas Bay and two stations in Bonelli Bay. At both locations the pore water compositions and organic matter diagenesis in the sediments are dominated by sulfate reduction. This major role of sulfate reduction is unusual for lake sediments and reflects the fact that SO4 is the major anion in the lake water. In addition, gypsum …
A Hydrologic Carbonate Chemistry Model Of Flooded Rice Fields, James A. Ferguson, John T. Gilmour
A Hydrologic Carbonate Chemistry Model Of Flooded Rice Fields, James A. Ferguson, John T. Gilmour
Technical Reports
Many flooded rice fields in Arkansas are irrigated with subterranean waters saturated or supersaturated with respect to calcium carbonate. Deposition of calcium carbonate from these waters largely occurs near field inlets and in flow areas (1). When sufficient amounts of calcium carbonate accumulate, soil pH rises and zinc deficiency occurs in rice seedlings grown on the affected soil (2). The use of zinc fertilizers has provided a short-term solution to the problem (3), but does not provide a water management alternative which would slow, stop or reverse the localized accumulation of calcium carbonate and concomitant soil pH increase.
Hybrid Systems: Outline, Harrison C. Dunning
Hybrid Systems: Outline, Harrison C. Dunning
Water Resources Allocation: Laws and Emerging Issues: A Short Course (Summer Conference, June 8-11)
4 pages.
Riparian Rights, Peter N. Davis
Riparian Rights, Peter N. Davis
Water Resources Allocation: Laws and Emerging Issues: A Short Course (Summer Conference, June 8-11)
8 pages.
Contains research sources.
Physical/Political Solutions To Groundwater Management Problems: Outline, Carl F. Fossette
Physical/Political Solutions To Groundwater Management Problems: Outline, Carl F. Fossette
Water Resources Allocation: Laws and Emerging Issues: A Short Course (Summer Conference, June 8-11)
12 pages (includes illustrations and map).
Federal And Indian Reserved Rights: Outline, Robert S. Pelcyger
Federal And Indian Reserved Rights: Outline, Robert S. Pelcyger
Water Resources Allocation: Laws and Emerging Issues: A Short Course (Summer Conference, June 8-11)
6 pages.
Land Subsidence And Ground-Water Pumping: Outline, Thomas L. Holzer
Land Subsidence And Ground-Water Pumping: Outline, Thomas L. Holzer
Water Resources Allocation: Laws and Emerging Issues: A Short Course (Summer Conference, June 8-11)
10 pages.
Contains research sources.
Application Of The Law Of Prior Appropriation: Outline, James N. Corbridge Jr.
Application Of The Law Of Prior Appropriation: Outline, James N. Corbridge Jr.
Water Resources Allocation: Laws and Emerging Issues: A Short Course (Summer Conference, June 8-11)
11 pages.
Reconciling World-Wide Water Supply With Demand [Outline], Gilbert F. White
Reconciling World-Wide Water Supply With Demand [Outline], Gilbert F. White
Water Resources Allocation: Laws and Emerging Issues: A Short Course (Summer Conference, June 8-11)
1 page.