Browsing Technical and Special Reports by Title
Now showing items 221-240 of 510
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(Texas Water Resources Institute, 2009-01)In 1998 two upper North Bosque River segments were designated as impaired due to point source and nonpoint source (NPS) pollution of phosphorus (P) in these segments of the watershed. As a result, two Total Maximum Daily ...
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(Texas Water Resources Institute, 2003)The Texas Water Resources Institute awarded a Mill Scholarship to M.C. Sterling, Jr in 2002. This project describes five sensors for rapid monitoring of crude oil concentrations in an aquatic system. These measurements are ...
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(Texas A&M University, 2003-06)The Texas Water Resources Institute awarded a Mill Scholarship to M.C. Sterling, Jr in 2002. This project describes five sensors for rapid monitoring of crude oil concentrations in an aquatic system. These measurements are ...
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(Texas Water Resources Institute, 2011-04)Cameron County Irrigation District No. 2 (CCID2) contracted with the Bureau of Reclamation to complete a project plan for rehabilitation of a portion of the district as shown on the right. The district plans on replacing ...
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(Texas Water Resources Institute, 2011-04)Extension Agricultural Engineering investigated the flume and flow measurement problem of Richmond Irrigation District. At normal operating conditions, the existing flume is over 90% submerged which makes it inaccurate for ...
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(Texas Water Resources Institute, 1995)There are increasing concerns that water quality of the Rio Grande (or Rio Bravo) may be deteriorating mainly due to the recent expansion of the maquilas program and associated population relocation into the Border area. ...
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(Texas Water Resources Institute, 1987-08)In this research project, a methodology for automating the forecasting of municipal daily water use is developed and implemented in a microcomputer program called WATCAL. An automated forecast system is devised by modifying ...
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(Texas Water Resources Institute, 1991-04)This study was an investigation of the effects of the herbicide atrazine and the insecticide bifenthrin on lake communities. The study was conducted in two phases: in phase one, we examined the effects of environmentally ...
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(Texas Water Resources Institute, 2005-04)
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(Texas Water Resources Institute, 2011-09)Water resources development, water allocation, and river/reservoir system operations are simulated with the Water Rights Analysis Package (WRAP) using sequences of historical naturalized stream flows and reservoir surface ...
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Furrow Diking Technology for Agricultural Water Conservation and its Impact on Crop Yields in Texas (Texas Water Resources Institute, 1988-07)Furrow diking is a practical, efficient and low-cost technique to conserve water and increase crop yields. Improvements in diker design and the increased use of herbicides have resulted in the rapid spread of furrow diking ...
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(Texas Water Resources Institute, 2003)This report documents the construction of three visualization projects based on hydrologic modeling of the 1993 Midwest flood. The modeling procedures and results have been described in “Water Balance of the 1993 Midwest ...
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(Texas Water Resources Institute, 2007-01)To develop a successful watershed protection plan for the Pecos River, it is very important to correctly characterize the river basin including vegetation coverage, river channel and others. The objective of subtask 1.1 ...
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(Texas Water Resources Institute, 2006-08)
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(Texas Water Resources Institute, 2008-11)VIDRA© (Valley Irrigation District Rate Analyzer) is a work-in-process and is being (has been) developed with collaboration from the Delta Lake Irrigation District (DLID) and other Lower Rio Grande Valley irrigation ...
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(Texas Water Resources Institute, 2008-12)About VIDRA© - HCID#1: VIDRA© (Valley Irrigation District Rate Analyzer) is a work-in-process and is being (has been) developed with collaboration from Hidalgo County Irrigation District No. 1 (HCID#1) and other Lower ...
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(Great Plain Agricultural Council, 2003)Groundwater lies hidden beneath the soil, out of sight and largely out of mind. As a result, it’s poorly understood by most who depend on it for drinking water and other uses. Misconceptions about groundwater are common. ...
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(Texas Water Resources Institute, 2013)Nitrogen in groundwater, more specifically nitrate, is common in certain areas and is often associated with agricultural production or urban areas underlain by coarse soils. While the presence of nitrates in groundwater ...
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(Texas Water Resources Institute, 2002-03)The book describes the performance of pecan trees; water testing; determining how water quality may affect tree growth; improving drainage; selecting an irrigation system, and water conditioning to manage nutrients. It ...
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(Texas Water Resources Institute, 1996-02)Using wastewater for irrigation of crops represents an attractive alternative to disposal. Typically, municipal wastewaters are high in sodium, and the resulting high sodium absorption ratio (SAR) alters the soil structure ...