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Articles 49741 - 49770 of 52754
Full-Text Articles in Entire DC Network
An Analysis Of Solar Heating Costs In Arkansas Broiler Houses, Ralph Gunderson, J. Martin Redfern
An Analysis Of Solar Heating Costs In Arkansas Broiler Houses, Ralph Gunderson, J. Martin Redfern
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
This study is based on the computer simulation model of a solar heated broiler house in four locations in Arkansas. This simulation model estimated the annual energy savings in each broiler house due to the installation of a solar heating system. This paper uses present value analysis to estimate the life cycle costs of heating conventional and solar heated broiler houses in the state of Arkansas. From these calculations, the number of years required to achieve a break-even cost of heating is estimated.
Heat Recovery System For Glass Melting Furnace, Milton J. Murry
Heat Recovery System For Glass Melting Furnace, Milton J. Murry
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
The installation and operating of a 100 ton per day glass melting furnace by Flat River Glass Company to make specialty bottles provided an excellent opportunity for recovery of waste heat. The furnace operates at 2300°F, and four feeders to bottle making machines operate at 2100“F. The 120,000 s.f. packaging area is next to the furnace bay, and it is heated solely by reclaimed heat from the melting furnace bay.
There are two systems that are used to transfer this waste heat from the furnace area to the packaging area. The first of these systems is a water loop. Water …
Volume 2, Number 10 (October 1978), The Otec Liaison
Volume 2, Number 10 (October 1978), The Otec Liaison
The OTEC Liaison
No abstract provided.
Development Of A New Technique For The Analysis Of Pesticides In Water, Prasad K. Kadaba, Pramode K. Bhagat, Radko Osredkar, V. R. K. Murthy
Development Of A New Technique For The Analysis Of Pesticides In Water, Prasad K. Kadaba, Pramode K. Bhagat, Radko Osredkar, V. R. K. Murthy
KWRRI Research Reports
A Nuclear Double Resonance Spectrograph has been designed and constructed with emphasis on quadrupolar nuclei of half-integral spins. The use of a data acquisition and processing system featuring the A/D converter, signal averager with built in fast Fourier transformation hardware greatly improves the S/N ratio. The spectrograph has been used to detect certain organochlorine, carbamate and symmetrical triazine pesticides. Concentration levels that can be detected range from 15 to 100 micrograms per liter. Since the measurements are done below ice temperatures, heat-labile compounds can be detected without conversion to more suitable derivatives as in gas chromatography. Fats and oils in …
Influence Of Nitrogen Fertilization On The Quality And Quantity Of Streamflow From A Forested Watershed, George B. Coltharp, Michael T. Shearer, Everett P. Springer, Robert F. Wittwer
Influence Of Nitrogen Fertilization On The Quality And Quantity Of Streamflow From A Forested Watershed, George B. Coltharp, Michael T. Shearer, Everett P. Springer, Robert F. Wittwer
KWRRI Research Reports
This project was designed to determine the effects of nitrogen fertilization on the quality and quantity of streamflow eminating from an eastern hardwood forest watershed. A 40.67 ha watershed, located in mountainous eastern Kentucky, was aerially fertilized in late April 1975. The forest stand was principally oak, hickory, and yellow poplar, 50 - 55 years of age and in a relatively undisturbed condition. A helicopter applied anunonium nitrate at a rate of 504 kg/ha. Because a large part of applied nitrogen fertilizer ends up in the highly mobile nitrate nitrogen.form, this is the principal ion monitored in this study. No …
A Proposed Revision Of Kentucky's Water Rights Legislation, Richard Ausness
A Proposed Revision Of Kentucky's Water Rights Legislation, Richard Ausness
KWRRI Research Reports
Kentucky's present system of water law consists of a statutory water withdrawal permit system superimposed upon a body of common-law water rights doctrine. The rights of water users are often uncertain under this system, particularly in periods of water shortage. The proposed revision of Kentucky's existing water rights legislation, would greatly reduce the significance of common-law water rights and would remedy some of the weaknesses in the present statute.
Part 1 of the proposed statute establishes an administrative structure; Part 2 deals with water withdrawal permits; Part 3 retains the present statute's provisions on the regulation of dams and impoundments, …
State Of The Fisheries Report 1977, Department Of Fisheries And Wildlife, Western Australia
State Of The Fisheries Report 1977, Department Of Fisheries And Wildlife, Western Australia
Status Reports of the Fisheries and Aquatic Resources
The total value of the fisheries of Western Australia is the highest of any of the States, and the Western Australian rock lobster fishery is the most valuable single fishery in Australia.
Volume 2, Number 9 (September 1978), The Otec Liaison
Volume 2, Number 9 (September 1978), The Otec Liaison
The OTEC Liaison
No abstract provided.
Hydrolytic And Photochemical Degradation Of Organophosphorus Pesticides, James F. Hinton
Hydrolytic And Photochemical Degradation Of Organophosphorus Pesticides, James F. Hinton
Arkansas Water Resources Center Technical Reports
To keep pace with demands for increasing food supplies to satisfy the expanding world population, modern agriculture has utilized the latest scientific and technological knowledge available. Increases in crop production through the use of growth regulators, fertilizers , herbicides, and insecticides have been little short of phenomenal, and drugs, feed additives, and higher-quality grain and forage have dramatically increased livestock production. But, as is usually the case, this progress has been accompanied by problems, one of the more serious being contamination of our environment by chemicals. Only in recent years have the full effects of these pollutants on the ecological …
Water Current, Volume 10, No. 5, September/October 1978
Water Current, Volume 10, No. 5, September/October 1978
Water Current Newsletter
President Announces New Water Policy
Research Overviews Planned
NWRC Hosts Successful Programs
Grantsmanship Training Workshop
New Staff Member
Water Resources in Nebraska
Federal Studies Investigate Ogallala Aquifer
USGS Ogallala Study
EDA Study
Bureau of Reclamation Study
Research Review: Development of a Multiobjective Screening Model for Water Resources Planning in Nebraska
The Prairie Naturalist Vol. 10, No. 3. September 1978
The Prairie Naturalist Vol. 10, No. 3. September 1978
The Prairie Naturalist
NOTES ON DISTRIBUTION OF THREE SPECIES OF MAMMALS IN SOUTH DAKOTA ▪ J. K. Jones, Jr., J. R. Choate and R. B. Wilhelm
A MID-CONTINENT IRRUPTION OF CANADA LYNX, 1962-63 ▪ H. L. Gunderson
CHECKLIST OF NORTH DAKOTA MAMMALS (REVISED) ▪ J. M. Wiebe and J. F. Cassel
DECLINE OF YEAR-CLASS STRENGTH OF BUFFALO FISHES IN LAKE SAKAKAWEA, NORTH DAKOTA ▪ D. W. Willis and J. B. Owen
NOTE
Pileated Woodpecker Eating Russian Olive Fruits ▪ R. S. McVoy
BOOK REVIEWS
Birds of the Prairie Provinces ▪ W. J. Maher
Wildlife of the Prairies ▪ C. R. Grondahl
Distribution Patterns …
Volume 2, Number 8 (August 1978), The Otec Liaison
Volume 2, Number 8 (August 1978), The Otec Liaison
The OTEC Liaison
No abstract provided.
The Effects Of Heavy Metals On Algae Populations In A South Central Reservoir, Richard L. Meyer
The Effects Of Heavy Metals On Algae Populations In A South Central Reservoir, Richard L. Meyer
Arkansas Water Resources Center Technical Reports
The present investigation examines seasonal variations of algal assemblages in a south-central reservoir, Lake Fayetteville, Arkansas, in an attempt to evaluate the role of various trace metals in relation to these seasonal variations. Iron, manganese, cobalt, copper, lead and zinc concentrations were evaluated for the period of one year from March, 1976 to March, 1977 with concomitant examination of alga] assemblages. In addition to collection of this material, correlations between specific taxa and metals in the water fraction have been evaluated. A detailed literature review dealing with the role of micronutrients in various algal groups has been discussed by Rice …
The Phosphorus Dynamics Of A Eutrophic Prairie Reservoir, John F. Bender
The Phosphorus Dynamics Of A Eutrophic Prairie Reservoir, John F. Bender
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Computer Simulation Of Nutrients In Tampa Bay, Florida, Bernard E. Ross, Paula D. Jerkins
Computer Simulation Of Nutrients In Tampa Bay, Florida, Bernard E. Ross, Paula D. Jerkins
Reports
During the past ten years or so the pollution in Tampa Bay, Florida has been studied extensively. Legally, pollution is defined with respect to water use classifications. For each water use classification, adequate water quality standards are imposed by law to insure safety to "man, fish and wildlife and to insure that nuisances will not occur. A body of water is polluted only when it does not meet the standards set for the water use classification applied to it.
Effects Of Soil Injection Of Liquid Dairy Manure On The Quality Of Surface Runoff, I. J. Ross, S. Sizemore, J. P. Bowden, C. T. Haan
Effects Of Soil Injection Of Liquid Dairy Manure On The Quality Of Surface Runoff, I. J. Ross, S. Sizemore, J. P. Bowden, C. T. Haan
KWRRI Research Reports
Liquid dairy manure has been injected on the soil contour to depths of 6 and 12 inches and applied to the surface of a Bluegrass sod and a bare tilled soil. Application rates of 9,250 gallons per acre were used. Runoff from 9-foot-square plots which were sprinkled at rates of 2.5 inches per hour on sod and 1.5 inches per hour on bare soil was collected and analyzed for various pollution parameters including COD, N, TS, TSS, pH, DO, and Fecal Coliform. The effects of pollutant yield in the runoff have been determined for various treatments.
Injection of the manure …
Evaluation Of Detention Basins For Controlling Urban Runoff And Sedimentation, C. T. Haan, A. D. Ward
Evaluation Of Detention Basins For Controlling Urban Runoff And Sedimentation, C. T. Haan, A. D. Ward
KWRRI Research Reports
This report summarizes the work completed under the research project "Evaluation of Dentention Basins for Controlling Urban Runoff and Sedimentation." The main project accomplishments were:
(1) a demonstration of the desirability of considering systems of urban stormwater detention basins as opposed to individual basin design,
(2) the development of a systems analysis approach for least cost selection of a system of dentention basins for meeting a preset hydrologic objective,
(3) the development of a mathematical, computer-based simulation model of the performance of sediment retention basins,
(4) partial verification of the sediment basin model and
(5) the development of design recommendations …
Production Rates Of Benthic Insects In A Turbid Reservoir, John C. Lund
Production Rates Of Benthic Insects In A Turbid Reservoir, John C. Lund
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
The Dietary Effects Of Rana Catesbeiana Larvae On Micropterus Salmoides, Eric Jon Evenson
The Dietary Effects Of Rana Catesbeiana Larvae On Micropterus Salmoides, Eric Jon Evenson
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Handbook Of Remote Sensing Imagery Of Connecticut, Daniel L. Civco, William C. Kennard, Michael Wm. Lefor
Handbook Of Remote Sensing Imagery Of Connecticut, Daniel L. Civco, William C. Kennard, Michael Wm. Lefor
Storrs Agricultural Experiment Station
No abstract provided.
Volume 2, Number 7 (July 1978), The Otec Liaison
Volume 2, Number 7 (July 1978), The Otec Liaison
The OTEC Liaison
No abstract provided.
Apis: Arkansas Planning Information System, William R. Draper, David B. Beasley, Theo A. Dillaha Iii, Ronald W. Skeith
Apis: Arkansas Planning Information System, William R. Draper, David B. Beasley, Theo A. Dillaha Iii, Ronald W. Skeith
Arkansas Water Resources Center Technical Reports
The Federal Water Pollution Control Act Amendments of 1972 call for the restoration and maintenance of the chemical, physical and biological integrity of the Nation's waters. The Act sets forth two primary goals; 1) the elimination of the discharge of all pollutants into the navigable waters of the United States by 1985 and 2) an interim level of water quality that provides for the protection of fish, shellfish, wildlife and recreation by July 1, 1983. Section 208 of the Act mandated the development and implementation of area wide water quality management plans to achieve the goals previously mentioned.
New Directions In Western Water Law Proceedings Of The Sixth Annual Conference Of The Utah Section Of The American Water Resources Assoc., Utah Water Research Laboratory
New Directions In Western Water Law Proceedings Of The Sixth Annual Conference Of The Utah Section Of The American Water Resources Assoc., Utah Water Research Laboratory
Reports
No abstract provided.
Water Current, Volume 10, No. 4, July/August 1978
Water Current, Volume 10, No. 4, July/August 1978
Water Current Newsletter
State Water Planning Process to Address Policy Issue Analysis
Deadline for Submitting Matching Grant Proposals
Conference on Water Data Programs and Needs
Staff Members to Present Papers
Newspaper Clippings Available
Water Resources Center Plans Exhibit at Nebraska State Fair
Water Resources in Nebraska
MRBC Governors Adopt Three Resolutions
Antarctic Mountain Peak Named for USGS Scientist
Research Review: Physiological Aspects of Plant Water Use Efficiency
"Environmental Simulation And Long-Term Planning", Michael A. Arbib
"Environmental Simulation And Long-Term Planning", Michael A. Arbib
Special Collections: Oregon Public Speakers
With Cooper, W. Ecosystems.
"Toxic Chemicals In The Environment", William E. Cooper
"Toxic Chemicals In The Environment", William E. Cooper
Special Collections: Oregon Public Speakers
Presented and recorded with Arbib, M. A., "Environmental Simulation and Long-Term Planning."
"Ecosystems", William E. Cooper
"Ecosystems", William E. Cooper
Special Collections: Oregon Public Speakers
From a lecture series with M.A. Arbib, "Environmental simulation and long-term planning."
Volume 2, Number 6 (June 1978), The Otec Liaison
Volume 2, Number 6 (June 1978), The Otec Liaison
The OTEC Liaison
No abstract provided.
Organized Resistance To An Imposed Environmental Change: A Resevoir In Eastern Kentucky, William F. Schweri Ii, John Van Willigen
Organized Resistance To An Imposed Environmental Change: A Resevoir In Eastern Kentucky, William F. Schweri Ii, John Van Willigen
KWRRI Research Reports
This is a case study of a group organized to resist the construction of an Army Corps of Engineers reservoir project located in Eastern Kentucky, More specifically the account describes how a group of landowners organized themselves and enacted an increasingly complex strategy of resistance. Within this framework perceived costs, leadership and authority and group organization are considered.
The primary method employed in this research was that of repeated interviews with members of the resistance organization who were identified as key informants. These interviews were carried out on both structured and unstructured bases.
The formal analysis of the voluntary association …
A Primary Ecological Survey Of Dardanelle Reservoir Prior To Nuclear Facility Effluent Discharge, Clarence B. Sinclair, Robert L. Watson
A Primary Ecological Survey Of Dardanelle Reservoir Prior To Nuclear Facility Effluent Discharge, Clarence B. Sinclair, Robert L. Watson
Arkansas Water Resources Center Technical Reports
A preliminary ecological survey of Dardanelle Reservoir during the construction phase of Arkansas Power and Light Company's nuclear generating facility was conducted from January 1970 through June 1974. The reservoir is characterized by relatively shallow depths and a high flow-thru rate. A number of features were associated with these characteristics. The reservoir carried a great deal of suspended material and exhibited high turbidities throughout most of the year. Typical thermal stratification and oxygen depletion were only rarely observed. Many of the physico-chemical parameters exhibited relatively high values in comparison to other Arkansas lakes and reservoirs, but due to absence of …