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Articles 331 - 360 of 553
Full-Text Articles in Water Resource Management
Colorado River Regional Assessment Study Part Four: Bibliography And Appendices, Utah Water Research Laboratory
Colorado River Regional Assessment Study Part Four: Bibliography And Appendices, Utah Water Research Laboratory
Reports
No abstract provided.
Development Of A Dynamic Programming Model For The Regionalization And Staging Of Wastewater Treatment Plants, Stanley L. Klemetson, William J. Grenney
Development Of A Dynamic Programming Model For The Regionalization And Staging Of Wastewater Treatment Plants, Stanley L. Klemetson, William J. Grenney
Reports
No abstract provided.
Process Studies And Modeling Of Self-Cleaning Capacity Of Mountain Creeks For Recreation Planning And Management, Cheng-Lung Chen, Keith D. Davis
Process Studies And Modeling Of Self-Cleaning Capacity Of Mountain Creeks For Recreation Planning And Management, Cheng-Lung Chen, Keith D. Davis
Reports
Reaeration process studies were conducted on a mountain creek and a large laboratory flume. The method of evaluating the dispersion coefficient, mean velocity, and reaeration coefficient for both creek and flume consisted of finding these values for a deoxygenated portion of the flow containing a conservative tracer (dye). The deoxygenated slug is measured as it moved downstream and the three values are best fit in the analytical solution of the longitudinal dispersion equation which dynamically describes the flow of the dispersing slug in the stream. The best fit was accomplished by using the method of least squares of the differences …
Urban Storm Runoff Inlet Hydrograph Study, Volume 5, Soil-Cover-Moisture Complex: Analysis Of Parametric Infiltration Models For Highway Sideslopes, Cheng-Lung Chen
Urban Storm Runoff Inlet Hydrograph Study, Volume 5, Soil-Cover-Moisture Complex: Analysis Of Parametric Infiltration Models For Highway Sideslopes, Cheng-Lung Chen
Reports
The main objective of this study is to develop an accurate design method for computing inlet hydrographs of surface runoff, with average recurrence intervals of 10, 25, and 50 years, from typical urban highway by flood routing technique. The boundary-value problem of one-dimensional infiltration resulting from rainfall is formulated and solved numerically on a digital computer. The numerical solutions of this idealized mathematical model is used as a basic testing tool in the subsequent analysis of various parametric infiltration models including the Green-Ampt, Kostiakov, Philip, Horton, and Holtan equations. The time of ponding is shown to be the most important …
Urban Storm Runoff Inlet Hydrograph Study Volume 4; Synthetic Storms For Design Of Urban Highway Drainage Facilities., Cheng-Lung Chen
Urban Storm Runoff Inlet Hydrograph Study Volume 4; Synthetic Storms For Design Of Urban Highway Drainage Facilities., Cheng-Lung Chen
Reports
The main objective of this study is to develop an accurate design method for computing inlet hydrographs of surface runoff, with average recurrence intervals of 10, 25, and 50 years, from typical urban highway by flood routing technique. Knowledge of the time distribution of rainfall in heavy storms constitutes a basis for the design of an urban storm sewer system. A unified time-coordinate system and the rainfall intensity-duration-frequency relationships are used to develop the generalized synthetic (design) hyetograph equations for all types of storms. The hyetograph equations are further normalized for identifying the dimensionless parameters that play predominant roles in …
Urban Storm Runoff Inlet Hydrograph Study Volume 1: Computer Analysis Of Runoff From Urban Highway Watersheds Under Time- And Space-Varying Rainstorms, Chen-Lung Chen
Reports
The main objective of this study is to develop an accurate design method for computing inlet hydrographs of surface runoff, with average recurrence intervals of 10, 25, and 50 years, from typical urban highway by flood routing technique. The most comprehensive mathematical model based on the method of characteristics was developed for computing the runoff inlet hydrograph. All flood routing methods were extensively reviewed and the most efficient and accurate technique was adopted for the formulation of a numerical (computer) model including all the rainfall-runoff processes on a highway watershed. Accuracy of the computer model was then examined by comparing …
Urban Storm Runoff Inlet Hydrograph Study Volume 2; Laboratory Studies Of The Resistance Coefficient For Sheet Flow Over Natural Turf Surfaces, Cheng-Lung Chen
Urban Storm Runoff Inlet Hydrograph Study Volume 2; Laboratory Studies Of The Resistance Coefficient For Sheet Flow Over Natural Turf Surfaces, Cheng-Lung Chen
Reports
The main objective of this study is to develop an accurate design method for computing inlet hydrogaphs of surface runoff, with average recurrence intervals of 10, 25, and 50 years, from typical urban highway by flood routing technique. Resistance to sheet flows over natural turf surfaces is experimentally investigated. The formuation of a functional relationship between the resistence coefficient and controlling parameters for shallow flows over various turf surfaces is essential to the mathematical modeling of surface runoff from urban highway sideslopes covered with different species of turf. An analysis of results obtained from laboratory experiments from laminar flow on …
An Application Of The Utah State University Watershed Simulation Model To The Entiat Experimental Watershed, Washington State, David S. Bowles, J. Paul Riley, George B. Shih
An Application Of The Utah State University Watershed Simulation Model To The Entiat Experimental Watershed, Washington State, David S. Bowles, J. Paul Riley, George B. Shih
Reports
To study the effects of a forest fire on runoff characteristics, the Utah State University Watershed Simulation Model (USUWSM) has been applied to three small drainage areas in the Entiat Experimental Watershed which is located within the Wenatchee National Forest of central Washington. Each component of the USUWSM has been described in the report, including structural changes to the model that were necessary to achieve reasonable agreement between observed and simulated runoff hydrographs. Lack of information on the spatial distribution and precipitation due to the absence of an adequate precipitation gaging network on or close to the study area was …
Optimization Of Water Allocation, Wastewater Treatment, And Reuse Considering Nonlinear Costs, Seasonal Variations, And Stochastic Supplies, A. Bruce Bishop, Rangesan Narayanan, Suravuth Pratishthananda, Stanley L. Klemetson, William J. Grenney
Optimization Of Water Allocation, Wastewater Treatment, And Reuse Considering Nonlinear Costs, Seasonal Variations, And Stochastic Supplies, A. Bruce Bishop, Rangesan Narayanan, Suravuth Pratishthananda, Stanley L. Klemetson, William J. Grenney
Reports
Two significant, interrelated water resources problems are: (1) efficiently salvaging and reusing effluent water in order to augment limited water supplies; and (2) economically managing and treating wastewater to meet water quality standards. Using systems engineering and operations research techniques, the report focuses on the optimal management and use of water of impaired quality in a water resources system, including utilization or irrigation return flows and other poor quality water, water quantity and quality management systems, and wastewater reclamation opportunities. The study develops a mathematical programming transportation or transshipment model formulated for the Lower Jordan River Basin in Utah. The …
Naturally Occurring Organic Compounds And Algal Growth In A Eutrophic Lake, V. Dean Adams, Russell R. Renk, Peter A. Cowan, Donald B. Porcella
Naturally Occurring Organic Compounds And Algal Growth In A Eutrophic Lake, V. Dean Adams, Russell R. Renk, Peter A. Cowan, Donald B. Porcella
Reports
No abstract provided.
Watershed Management On Range And Forest Lands Proceedings Of The Fifth Workshop Of The United States/Australia Rangelands Panel, R. J. Mcconnen, B. S. Sadler, Colin L. Pierrehumbert, Kenneth G. Renard, Donald L. Brakensiek, Alden R. Hibbert, T. Talsma, C. W. Rose, Ronald E. Sosebee, Richard Meeuwig, Paul Packer, Walter C. Boughton, J. Paul Riley, Richard H. Hawkins
Watershed Management On Range And Forest Lands Proceedings Of The Fifth Workshop Of The United States/Australia Rangelands Panel, R. J. Mcconnen, B. S. Sadler, Colin L. Pierrehumbert, Kenneth G. Renard, Donald L. Brakensiek, Alden R. Hibbert, T. Talsma, C. W. Rose, Ronald E. Sosebee, Richard Meeuwig, Paul Packer, Walter C. Boughton, J. Paul Riley, Richard H. Hawkins
Reports
Preface: The U.S.-Australia Cooperative Rangeland Science Program In October 1968 the governments of the United States and Australia entered into an agreement for the purpose of facilitating close cooperative activities between the scientific communities of the two countries. The joint communique issued at that time designated the U.S. National Science Foundation and the Australian Commonwealth Department of Education and Science as the coordinating agencies. Both countries were to encourage binational teamwork in research, interchanges of scientists, joint seminars, and exchanges of information. A United States-Australia Rangeland Panel was established in December 1969 to further cooperation between the two countries in …
Regional Development: An Econometric Study Of The Role Of Water Development In Effectuating Population And Income Changes, Herbert H. Fullerton, Chris W. Lewis, Jay C. Andersen, John E. Keith, Reed Willis
Regional Development: An Econometric Study Of The Role Of Water Development In Effectuating Population And Income Changes, Herbert H. Fullerton, Chris W. Lewis, Jay C. Andersen, John E. Keith, Reed Willis
Reports
Twelve measures of regional economic growth, including populations and three measures of income were compared for areas with and without water investment in 246 counties and 42 water resources subareas in the states of Utah, Colorado, New Mexico, Montana, Wyoming, Idaho, and Nevada. Simple mean omparisons for these measures compiled for the decades of 1940-1950, 1950-1960, and 1960-1970 failed to support the hypothesis that economic growth of those counties and subareas receiving water investment was significantly highter than in those areas which did not, with the possible exception of the 1940-1950 decade. This result is obciously tempered by the fact …
Urban Storm Runoff Inlet Hydrograph Study Volume 3: Hydrologic Data For Two Urban Highway Watersheds In The Salt Lake City Area, Utah, Joel E. Fletcher, Cheng-Lung Chen
Urban Storm Runoff Inlet Hydrograph Study Volume 3: Hydrologic Data For Two Urban Highway Watersheds In The Salt Lake City Area, Utah, Joel E. Fletcher, Cheng-Lung Chen
Reports
The main objective of this study is to develop an accurate design method for computing inlet hydrographs of surface runoff, with average recurrence intervals of 10, 25, and 50 years, from typical urban highway by flood routing technique. Hydrologic data such as the rainfall intensity, runoff flow rate, air temperature, wind velocity, and soil moisture content were collected during rainfall seasons in 1972 and 1973 on two urban highway watersheds in the Salt Lake City area, Utah. These data were used in the verification of a mathematical model simulating the surface runoff from such highway watersheds. The difficulties and inherent …
Multiple Uses Of Utah Irrigation Canals: Cache County As A Case Study, James J. Kennedy, Komain Unhanand
Multiple Uses Of Utah Irrigation Canals: Cache County As A Case Study, James J. Kennedy, Komain Unhanand
Reports
Irrigation use is an obvious benefit of Utah canals that has been recognized for over 100 years. This study attempts to illustrate other, less obvious, uses. the major use examined was recreational, but canals are presently functioning as storm drainage systems and have potential for diverting flood crests in many river systems.
Recreational use of canals falls into two categories. There is passive use such as its landscape values, affects on creating shade and bird-wildlife habitat, etc., that is difficult to quantify but no less important than active canal use such as tubing, hiking, bank-play, bicycling, etc. We selected several …
Development And Preliminary Application Of Mathematical Models To The Weber Basin, W. J. Grenney, D. S. Bowles, M. D. Chambers, J. P. Riley
Development And Preliminary Application Of Mathematical Models To The Weber Basin, W. J. Grenney, D. S. Bowles, M. D. Chambers, J. P. Riley
Reports
The adoption of stream standards, whether for direct application or for the establishment of realistic effluent standards, creates a need to predict the impact of pollution loads on river water quality during critical flow periods or as the result of future user demands. Because of the complexity of aquatic systems, mathematical models are an excellent medium for bringing together the state-of-the-art knowledge from a variety of disciplines into a form which can be readily applied to practical problems. Applying a mathematical model to a river system has the added advantage of providing a structure for the systematic consideration of the …
Water Salvage Potentials In Utah, Volume I. Open Water Evaporation And Monolayer Suppression Potential, Trevor C. Hughes, E. Arlo Richardson, James A. Franckiewicz
Water Salvage Potentials In Utah, Volume I. Open Water Evaporation And Monolayer Suppression Potential, Trevor C. Hughes, E. Arlo Richardson, James A. Franckiewicz
Reports
An estimate of the potential in Utah for evaporation suppression by the monolayer film method is presented. The model estimates evaporation suppression as a function of wind speed, a four parameter exposure factor, and reservoir size. The estimated suppression factors vary from 0 to 30 percent and average 11 percent of the statewide total annual evaporation. Estimates of May to October evaporation and suppression potential are calculated for each of the 227 impoundments in the surface water inventory. A forthcoming report in this series will examine the potential for evaporation suppression by thermal destratification. This procedure, which is already being …
Water Resources Planning, Social Goals, And Indicators: Methodological Development And Empirical Test, Henry P. Caulfield
Water Resources Planning, Social Goals, And Indicators: Methodological Development And Empirical Test, Henry P. Caulfield
Reports
A methodology for comprehensive evaluation of water resources development and use (Techcom) has been developed and partially field tested. A model of societal goals consists of nine primary goals successively articualted into increasingly specific subgoals. Achievement of subgoals is perceived as affected by measurable social indicators whose values are perturbed by water resources actions. Linking the elements of the goals taxon by connectives result in an evaluation system. historical, political and philosophical considerations of the proposed system are discussed in Part I. Part II describes the results of the Rio Grande of New Mexico test including public perception and weighting …
Slope Stability Of Overburden Spoil Dumps From Surface Phosphate Mines In Southeastern Idaho, Roland W. Jeppson, Robert W. Hill, C. Earl Israelsen
Slope Stability Of Overburden Spoil Dumps From Surface Phosphate Mines In Southeastern Idaho, Roland W. Jeppson, Robert W. Hill, C. Earl Israelsen
Reports
No abstract provided.
Effects Of Temperature On The Toxicity Of Oil Refinery Waste, Sodium Chlorate, And Treated Sewage To Fathead Minnows, Curt C. Shifrer, E. Joe Middlebrooks, Donald B. Porcella, William F. Sigler
Effects Of Temperature On The Toxicity Of Oil Refinery Waste, Sodium Chlorate, And Treated Sewage To Fathead Minnows, Curt C. Shifrer, E. Joe Middlebrooks, Donald B. Porcella, William F. Sigler
Reports
A literature review and experiments were conducted to determine the effects of temperature on the toxicity of three materials to fish (fathead minnows,
Simulation Of Steady And Unsteady Flows In Channels And Rivers, Roland W. Jeppson
Simulation Of Steady And Unsteady Flows In Channels And Rivers, Roland W. Jeppson
Reports
The unsteady, one-dimensional Saint-Venant equations are solved by an implicit finite difference scheme to handle general channel and river flows. The initial conditions for the unsteady flow are provided by solving the steady varied flow equation for the specified boundary conditions. The solution for the unsteady flow allows any of eight separate boundary conditions to be specified which are composed of combinations of specifying the depth or discharge as functions of time at either the upstream of downstream ends, with the stage-discharge relation or constant depth and flow rate specified at the other end. Typical solutions showing the spatial and …
Steady Flow Analysis Of Pipe Networks: An Instructional Manual, Roland W. Jeppson
Steady Flow Analysis Of Pipe Networks: An Instructional Manual, Roland W. Jeppson
Reports
No abstract provided.
A Study Of The Effectiveness Of Water Resources Planning Groups A Final Report, Daniel H. Hoggan, Jim Mulder, Sarah Jane Taylor, Dennis E. Oaks, Brent Somers, Raymond L. Richardson
A Study Of The Effectiveness Of Water Resources Planning Groups A Final Report, Daniel H. Hoggan, Jim Mulder, Sarah Jane Taylor, Dennis E. Oaks, Brent Somers, Raymond L. Richardson
Reports
Information and recommendations were developed pertaining to the organization of regional and river basin water planning studies, useful to river basin commissions and others responsible for such studies. The approach that was used included four basic components: (1) conceptualization of a planning model, based on an analysis of planning theory and organizational literature, (2) analysis and review of historical trends in water resources planned, (3) examination and comparative evaluation of 15 river basin planning studies, and (4) case studies of two planning efforts selected from the 15 examined in order to perform a more detailed analysis and to gain information …
Component Description Of Sediment-Water Microcosms, James Hill Iv
Component Description Of Sediment-Water Microcosms, James Hill Iv
Reports
The development and application of complementary variables (potential and flux) for modeling environmental systems are illustrated for the hydraulic and dissolved oxygen subsystems of laboratory microcosms. These sediment-water, semi-continuous flow microcosms were used to determine nutrient interchange and mercury interactions under lighted (aerobic) and dark (anaerobic) conditions. The approach of using complementary variables to describe such systems forces a more complete conceptual understanding of the system and better attention to those parameters (many of which are unknown) requiring measurement. Complementary variables are incorporated into basic linear component equations which describe basic processes of energy transfer and transformation. The components are …
Precipitation Augmentation Potential By Cloud Seeding In The State Of Utah, Geoffrey E. Hill
Precipitation Augmentation Potential By Cloud Seeding In The State Of Utah, Geoffrey E. Hill
Reports
No abstract provided.
Hydrologic Model Studies Of The Mt. Olympus Cove Area Of Salt Lake County, J. Paul Riley, Vernon J. Rogers, George B. Shih
Hydrologic Model Studies Of The Mt. Olympus Cove Area Of Salt Lake County, J. Paul Riley, Vernon J. Rogers, George B. Shih
Reports
Urban development on any natural drainage basin causes marked changes in the runoff characteristics of the basin. Urbanization alters natural drainage channels and reduces average infiltration rates. Thus, flood conditions are enhanced both within the urbanizing area itself and at downstream locations, where existing channels might not be able to cope with the increased rates of water flow. The Olympus Cove area in Salt Lake County is undergoing rapid urban development, and potential flood hazards within the area and at downstream locations are thereby increasing. Recognizing this situation, officials of the Sale Lake County took the initiative in organizing an …
A Continuous Flow Kinetic Model To Predict The Effects Of Temperature On The Toxicity Of Waste To Algae, James H. Reynolds, Joe E. Middlebrooks, Donald B. Porcella, William J. Grenney
A Continuous Flow Kinetic Model To Predict The Effects Of Temperature On The Toxicity Of Waste To Algae, James H. Reynolds, Joe E. Middlebrooks, Donald B. Porcella, William J. Grenney
Reports
A continuous flow kinetic model to describe and predict the effects of temperature on the toxicity of a specific oil refinery waste to the green alga,
An Analysis Of Water Research Programs Of The Utah Water Research Laboratory And Center For Water Resources Research, Water Resources Research Citizen Advisory Panel
An Analysis Of Water Research Programs Of The Utah Water Research Laboratory And Center For Water Resources Research, Water Resources Research Citizen Advisory Panel
Reports
Foreward: As a means of keeping water research programs at Utah State University responsive to needs in terms of both timeliness and emphasis, President Glen L. Taggart, in 1970, requested a number of Utah citizens to serve as a panel to give counsel and advice to the Utah Water Research Laboratory and Center for Water Resources Research. Membership of this 16-member panel represents a broad spectrum of water-related experience gained from a variety of professional backgrounds and organizational affiliations. The objective was to keep the panel small enough for it to be a "working" group but large enough to obtain …
Review Paper: Evaluation Of Techniques For Algae Removal From Wastewater Stabilization Ponds, E. Joe Middlebrooks, Donald B. Porcella, Robert A. Gearheart, Gary R. Marshall, James H. Reynolds, William J. Grenney
Review Paper: Evaluation Of Techniques For Algae Removal From Wastewater Stabilization Ponds, E. Joe Middlebrooks, Donald B. Porcella, Robert A. Gearheart, Gary R. Marshall, James H. Reynolds, William J. Grenney
Reports
Introduction: Approximately 90 percent of the wastewater lagoons in the United States are located in small communities of 5,000 people or less. These communities, many with an average daily wastewater flow of only 175,000 - 200,000 gallons, do not have the resources to keep man at the lagoon sites throughout the day (38). A high degree of technical knowhow is usually lacking in these communities. Often only periodic inspection or maintenance is carried out by the general municipal work force. Therefore, the development of a relatively inexpensive method that does not require sophisticated and constant operation or extensive maintenance is …
Planning For Water Quality In The Virgin River System In The State Of Utah, Utah Water Research Laboratory
Planning For Water Quality In The Virgin River System In The State Of Utah, Utah Water Research Laboratory
Reports
No abstract provided.
Planning For Water Quality In The Bear River System In The State Of Utah, Utah Water Research Laboratory
Planning For Water Quality In The Bear River System In The State Of Utah, Utah Water Research Laboratory
Reports
No abstract provided.