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This project presents the development and design of a comprehensive interface coupled with a geodatabase (ArcGISwat 2003), for the Soil and Water Assessment Tool (SWAT). SWAT is a hydrologically distributed, lumped parameter model that runs on a...
2004-09-29
2004-09-29
2003-12-01
2004-09-29
Prediction of flow is necessary for planning and management of water resources. The objective of this study is to estimate mean annual flows for the USA and mean monthly flows for the rivers of central Texas based on the precipitation and their...
2004-09-29
2004-09-29
2003-12-01
2004-09-29
This research focused on expanding the capabilities of the Water Rights Analysis Package (WRAP) for incorporating salinity considerations in assessments of water availability. A simulation modeling approach was used to address this issue and a...
2006-08-16
2006-08-16
1-05-01
2006-08-16
This dissertation reports on economic studies of Texas Interbasin Water Transfers (IBT) as a way to lessen expected water shortages, Texas minimum freshwater inflows requirements (FWIB) to protect environmental flows and the general policy setup...
2008-10-10
2008-10-10
2008-05-01
2008-10-10
Traditionally, water quality monitoring has been focused on chemical attributes such as mineral content, metals, and other contaminants. Biological monitoring is becoming more frequently utilized to assess overall ecological integrity of the water...
2007-11-05
2007-11-05
2007-07-01
Red Bluff is the main reservoir of the Pecos River in Texas, and its maximum storage capacity adjusted to sediment accumulation is estimated at 357 million m3 (289,600 acre-ft.). Aside from the shortage of water entering the reservoir, high...
2007-11-13
2007-11-13
2007-01-01
The study of the benefits (damages averted) attributable to the El Morillo Drain encompasses U.S. municipalities, industry, and agriculture. It is conservatively estimated that the annual direct benefits to residents of South Texas ranges between...
2007-11-14
2007-11-14
2007-01-02
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 was to delineate the Pecos...
2007-11-14
2007-11-14
2007-01-01
Water scarcity is becoming a pervasive and persistent problem in Texas particularly in the drier regions containing cities like San Antonio, Austin, and Corpus Christi while growth causes emerging problems in Dallas, Fort Worth and Houston. A...
2007-11-14
2007-11-14
2007-04-01
In order to identify potential salinity sources, it was necessary to locate and characterize the potential impact of perennial and intermittent tributaries into the Pecos River. A study to determine water quantity, quality, and point of impacts...
2007-11-14
2007-11-14
2007-05-01
Initial construction costs and net annual changes in operating and maintenance expenses are identified for a three-component capital renovation project proposed by Hidalgo County Irrigation District No. 2. The proposed project primarily consists...
2007-11-14
2007-11-14
2007-06-01
This report presents results for the Subtask 3.3 of the Pecos River Basin Assessment Project sponsored by the U.S. Environmental Protection Agency (EPA) and the Texas State Soil and Water Conservation Board (TSSWCB). The overall objective of...
2007-11-14
2007-11-14
2007-06-01
Vegetation along the riparian corridor of the lower Pecos River in the United States has been dominated by saltcedar for the past century. In 1999 through 2004, herbicides were sprayed from helicopters along some sections of the river to reduce...
2007-11-14
2007-11-14
2007-07-23
Pecans, along with Almonds and Walnuts, are among the salt sensitive tree crops currently grown under irrigation. Yet, many growers are not convinced that salts are affecting yields, probably because symptoms of salt-affected trees are difficult...
2007-11-14
2007-11-14
2007-01-01
Initial construction costs and net annual changes in operating and maintenance expenses are identified for a three-component capital renovation project proposed by the United Irrigation District to the U.S. Bureau of Reclamation (USBR). The...
2007-11-14
2007-11-14
2006-03-01
The Pecos River of southeastern New Mexico and west Texas is among the saltiest rivers in North America with streamflow salinity regularly exceeding 7,000 mg L-1 at the New Mexico and Texas border, and eventually exceeding 12,000 mg L-1 at Girvin,...
2007-11-14
2007-11-14
2014-04-18
Amistad International Reservoir is located at the Texas–Mexico border, and is fed by four main tributaries: the middle Rio Grande (MRG), the Pecos, the Devil’s, and the Rio Conchos from Mexico (Fig. 1). This reservoir is among the largest...
2007-11-14
2007-11-14
2006-04-01
This study presents an economic analysis of agricultural benefits attributable to a proposed drainage project which includes on farm systems, laterals (ditches) and major canals designed to lower the groundwater table and provide an outlet for...
2007-11-14
2007-11-14
2014-04-18
Beginning in late July and continuing through mid September 2006 the Paso del Norte region, consisting of El Paso City and County, Texas, southern New Mexico and Ciudad Juarez, Mexico, experienced a number of record high precipitation events and...
2007-11-14
2007-11-14
2006-09-06
This report fulfills the deliverables required by the cooperative agreement between the U.S. Army Corps of Engineers and Texas Agricultural Experiment Station (TAES/03-PL-02: Modification No. 2) on behalf of the Paso del Norte Watershed Council....
2007-11-14
2007-11-14
2006-12-01
When enacting or administering stormwater education programs, it can be quite difficult to locate objective, science-based resources that can be used to inform the public of actions they can take to help reduce pollutants in stormwater runoff. The...
2007-11-14
2007-11-14
2014-04-18
Population expansion and water shortfalls have placed the Texas Lower Rio Grande Valley (Valley) center stage in water publicity. The unique characteristics and lack of public knowledge on how irrigation districts divert and convey water from the...
2007-11-14
2007-11-14
2005-04-01
Irrigation districts in the Texas Lower Rio Grande Valley use an antiquated water-delivery conveyance system; which loses substantial water from seepage, evaporation, etc. Pressures are increasing for districts to improve their operational...
2007-11-14
2007-11-14
2005-03-15
This report reviews user-oriented generalized reservoir/river system models. The terms reservoir/river system, reservoir system, reservoir operation, or river basin management "model" or "modeling system" are used synonymously to refer to computer...
2007-11-14
2007-11-14
2005-04-01
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