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Articles 1 - 8 of 8
Full-Text Articles in Engineering
Impacts Of Beaver Dams On Mountain Stream Discharge And Water Temperature, Timothy R. Clark
Impacts Of Beaver Dams On Mountain Stream Discharge And Water Temperature, Timothy R. Clark
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
Beaver dam complexes have been shown to affect the hydrologic processes controlling river systems. These processes include surface and groundwater exchanges, water chemistry and temperature variations, and river discharge magnitudes. Majerova et al. (2015) explored the effects of beaver dams on surface and groundwater exchanges and water temperature by evaluating three years of water discharge and temperature data recorded at multiple locations within a small stream in northern Utah. They found that beaver dams increase the water surface elevation and force water into the floodplain resulting in increased inundation and groundwater recharge. They additionally found that beaver dams increase residence …
Validation Of 16 Degree Arced Labyrinth Weir Coefficients, Megan Gordon Montgomery
Validation Of 16 Degree Arced Labyrinth Weir Coefficients, Megan Gordon Montgomery
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
Labyrinth weirs are frequently used to control flow in spillways. Arced labyrinth weirs have been developed and researched in an effort to pass additional flow. Arced labyrinth weirs are more efficient than labyrinth weirs due to their increased length and improved approach flow conditions. In the past research has been done to develop discharge coefficients, Cd, values for arced labyrinth weirs with varying sidewalls angles (a=6°, 12°, and 20°). The Cd data that has been developed can only be used for those specific geometries tested. The purpose of this study was to develop Cd data for an arced labyrinth weir …
Utah Salt Storage Facilities Guidelines And Best Management Practices, Weston Bellon
Utah Salt Storage Facilities Guidelines And Best Management Practices, Weston Bellon
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
An environmental analysis was conducted at the Utah Water Research Laboratory of samples gathered from Utah Department of Transportation (UDOT) salt storage facilities retention ponds across the state. The analysis indicated high levels of TSS largely made up of minerals directly associated with the deicing solution currently used by UDOT in roadway applications. As a companion to that analysis, best management practices have been identified and compiled to provide a resource for the proper management of salt storage facilities in the state of Utah. Topics included as best management practices include locating new storage facilities, proper salt storage, proper salt …
Functional Ontologies And Their Application To Hydrologic Modeling: Development Of An Integrated Semantic And Procedural Knowledge Model And Reasoning Engine, Aaron Range Byrd
Functional Ontologies And Their Application To Hydrologic Modeling: Development Of An Integrated Semantic And Procedural Knowledge Model And Reasoning Engine, Aaron Range Byrd
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
In hydrology we straddle the domains of science and engineering. As hydrologists our goal is to predict the movement and volume of water. As scientists we seek to improve our understanding of water-related processes and how to model them. As engineers we seek to be able answer specific water-related questions to provide protection and an essential resource for the people we serve. Underlying all of our work is a body of knowledge that we have developed and continue to develop. This knowledge involves many aspects, such as the role of various hydrologic processes, how to obtain data, computational models that …
Revenue Recovery Through Meter Replacement, Devan J. Shields
Revenue Recovery Through Meter Replacement, Devan J. Shields
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Previous studies have identified water meter inaccuracy at low flow rates as a significant source of non-revenue flow for water systems; however a lack of available data makes it difficult to include low flow accuracy degradation in meter replacement plans. This thesis examines results from an extensive accuracy test program carried out at the Utah Water Research Laboratory on small water meters over a wide range of flow rates and at various levels of throughput. The study compares expected apparent losses of different types of water meters based on a flow profile and expected daily use for the State of …
A Sedimentation Study Of The Green River Irrigation Canal, Green River, Utah, Jan Michael Miller
A Sedimentation Study Of The Green River Irrigation Canal, Green River, Utah, Jan Michael Miller
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
This sedimentation study of the Green River irrigation canal provides the Green River Canal Company (GRCC) with a detailed aerial map of the Green River irrigation canal system to allow operators to quickly and accurately locate canal structures. Also, an Excel spreadsheet accounting model was created which provides the GRCC with the ability to determine where sedimentation likely occurs throughout the canal under given conditions. This model must be operated within set guidelines to provide reliable results and should be calibrated for increased accuracy. It was determined that with no irrigation (i.e., with no canal structures open except for the …
Hydraulic Characteristics Of Labyrinth Weirs, Corwin M. Willmore
Hydraulic Characteristics Of Labyrinth Weirs, Corwin M. Willmore
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
Primarily, half-round crest labyrinth weirs were tested in this study with the side leg angle (a) ranging between 7 to 35 degrees. Historical data was primarily limited to quarter-round data. This study presents data and equations for estimating the discharge coefficient for labyrinth weirs with both half-round, quarter-round, and two Ogee-type crest weir shapes . A method is presented for comparing the flow capacity between weirs in order to determine the most efficient weir at a given Ht/P. For a labyrinth weir with the crest shape,# of cycles (N), and the cycle width (w) held constant, the discharge coefficient (Cct) …
Tests Of A Suggested Piezometric Method For Determining Hydraulic Conductivity Of Saturated Soils, K. R. Channarasappa
Tests Of A Suggested Piezometric Method For Determining Hydraulic Conductivity Of Saturated Soils, K. R. Channarasappa
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
A major factor in the design of drainage systems is the hydraulic conductivity of the soil strata to be drained. Various methods for measuring the hydraulic conductivity of soils in both the field and the laboratory have been devised. In many cases, however, laboratory methods fail to give reliable data since the natural field conditions under which flow actually takes place cannot be duplicated in the laboratory. Hence a need exists for a field method for measuring hydraulic conductivity of soils in situ. When a large number of tests are to be performed in a given location, a simple, quick, …