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Now showing items 131-140 of 883
Alternative Approaches to Estimate the Impact of Irrigation Water Shortages on Rio Grande Valley Agriculture
(Texas Water Resources Institute, 2002)
This paper compares alternate approaches to valuing the economic impact of irrigation water shortages from Mexican noncompliance with the 1994 treaty. The two methods compared are an average value-of-water approach, and ...
A Sensitive Determination of Iodide Species in Fresh or Saline Matrixes Using High Performance Chromatography and UV/Visible Detection
(Texas Water Resources Institute, 2002)
The objective of this study is to develop an analytical method that uses readily available instrumentation and minimal sample preparation for the determination of stable lodine species at nanomolar concentration levels in ...
Re-evaluating Surface Application Rates for Texas OSSF Systems
(Texas Water Resources Institute, 2002)
Approximately 25% of the nation’s housing units utilize on-site treatment and disposal systems. Mostly, on-site treatment consists of a septic tank-soil adsorption configuration, though surface disposal systems are used ...
Developing a World Wide Web (WWW) site that public school teachers and students can use to bring environmental resources on the Internet into the classroom
(Texas Water Resources Institute, 2001)
EPA priority issues addressed in this project included 1) providing public school teachers
and students with hands-on exposure to the Internet and the World Wide Web (WWW)
and increasing their capability to use these ...
Rice Water Irrigation: Conservation Management at the Lower Colorado River Authority
(Texas Water Resources Institute, 2002)
The purpose of this report is to evaluate a multi-year experiment conducted by the Lower Colorado River Authority (LCRA) in agricultural water conservation. During the 1980s and 1990s the LCRA implemented a four-component ...
Building Partnerships for Cooperative Conservation in the Trinity River Basin
(Texas Water Resources Institute, 2014-09)
Through the Building Partnerships for Cooperative Conservation in the Trinity River Basin
project, funded by U.S. Environmental Protection Agency (EPA) with Clean Water Act (CWA)
§319(h) funds through the Texas State ...
Evaluation of canal lining projects in the Lower Rio Grande Valley of Texas
(Texas Water Resources Institute, 2014-09)
Since 1999, nine (9) irrigation districts in the Hidalgo, Cameron, Willacy and Maverick Counties have installed ten (10) different types of synthetic canal lining materials, totaling approximately 25 miles. In 2005, we ...
EM-111 Bacterial Source Tracking: Learn why Bacterial Source Tracking is the foremost tool for identifying sources of fecal pollution
(Texas Water Resources Institute, 2012-02-24)
There are 273 bacterially impaired water bodies in Texas. Identifying and assessing sources of these bacteria — E. coli, Enterococcus, fecal coliforms — is critical to properly determining risk to water recreation, developing ...