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In recent years the area around Houston and Baytown, Texas, has been affected to an increasing degree by land subsidence. Sinking of the land surface has reached critical proportions in many areas, and subsidence of as much as eight feet has...
2011-07-01
2011-07-01 1974-07-01 |
Agriculture is a major income generating sector of the Texas economy. Irrigated agriculture is an important part of Texas agriculture and an "adequate" water supply is important in maintaining a viable agriculture. Irrigation water is important...
2011-07-01
2011-07-01 1974-08-01 |
Recent trends in agricultural have lead to the intensification of crop production in areas with long growing seasons and ample solar radiation. Unfortunately, these areas also often have limited water supplies, and the water available is often...
2011-07-01
2011-07-01 1974-09-01 |
Agriculture is a major income generating sector of the Texas economy. Irrigated agriculture is an important part of Texas agriculture and an "adequate" water supply is important in maintaining a viable agriculture. Irrigation water is important...
2011-07-01
2011-07-01 1975-04-01 |
During the past twenty years, there have been several evaluations of national water resources research requirements. Many states have made similar analyses of their water resources research needs. Funding for water resources research generally has...
2011-07-01
2011-07-01 1975-02-01 |
Water deficits reduce plant growth and subsequently, crop yields. Man has relied upon irrigation to overcome these crop water deficiencies. But since the present supplies of water are limited, more efficient irrigation application methods must be...
2011-07-01
2011-07-01 1974-12-01 |
Two mathematical models describing one-dimensional flow from buried sources and in unsaturated soils were developed. One considered the consumption of water by roots. For the assumed distribution of the root consumption with time and depth, the...
2011-07-01
2011-07-01 1975-02-01 |
The purpose of this study was to undertake an initial step that would lead to a better understanding of the effects of nutrients released from vegetation inundated by water at newly constructed reservoirs. Specifically, a series of leaching...
2011-07-01
2011-07-01 1975-04-01 |
The gap between supply and demand of water for agricultural and municipal uses is rapidly closing at a time when world food requirements are increasing at an alarming rate. To meet the demand for agricultural products, new lands must be brought...
2011-07-01
2011-07-01 1975-06-01 |
Three electrochemical chlorinators were developed, tested and evaluated. The first used natural chlorides in the water to produce a chlorine residual; the second and third produced chlorine residuals by electrolysis of brine solution. Brine feed...
2011-07-01
2011-07-01 1975-09-01 |
Land surface subsidence continues to be a destructive force in the Texas Gulf Coast area. The sinking of the surface has been linked by engineers to the withdrawal of groundwater. Subsidence causes damages and property value losses as saltwater...
2011-07-01
2011-07-01 1975-09-01 |
With rapidly changing conditions in production agriculture, the need for highly flexible and quickly applicable methods of analysis is emphasized. The purpose of this study was to develop such a model for a homogeneous production region in the...
2011-07-01
2011-07-01 1975-05-01 |
The influence of trickle irrigation on the quality of irrigation return flow was investigated in a field study and by means of computer simulation models. Six undisturbed buried monolith lysimeters were utilized to quantify the leachate from...
2011-07-01
2011-07-01 1976-03-01 |
Reduced availability of groundwater in the Northern High Plains of Texas and Oklahoma is expected to have repercussions throughout the regional economy due to the reduction in agricultural income. The decline in the economic base is expected to...
2011-07-01
2011-07-01 1976-06-01 |
The purpose of this study was to estimate the agricultural benefits due to flood protection provided by the proposed Trinity River Project. The area examined was the land located between the 100-year flood plain with the project and without the...
2011-07-01
2011-07-01 1976-07-01 |
The Arab oil embargo of 1973 awakened the world to the reality of energy shortages and higher fuel prices. Agriculture in the United States is highly mechanized and thus energy intensive. This study seeks to develop an evaluative capability to...
2011-07-01
2011-07-01 1976-06-01 |
The region north of the Canadian River in Texas and including the three western counties of Oklahoma have been rapidly developing the groundwater resource since the mid 1960's. This region, hereafter referred to as the Northern High Plains, is...
2011-07-01
2011-07-01 1976-06-01 |
Agriculture is a major income-producing sector in the Texas economy and a large part of this economic activity originates in irrigated crop production. For example, in 1973, 50% of all grain sorghum and 46% of all cotton in Texas were produced on...
2011-07-01
2011-07-01 1976-06-01 |
Methodology for the utilization of LANDSAT-1 imagery and aerial photography on the environmental evaluation of water resources development is presented. Environmental impact statements for water resource projects were collected and reviewed for...
2011-07-01
2011-07-01 1976-09-01 |
Major dam and reservoir development within the Brazos River Basin is correlative with a significant decrease in the suspended sediment load of the river and with increased coastal erosion rates near the delta. A hydrologic analysis of the river...
2011-07-01
2011-07-01 1976-08-01 |
This study was conducted for the Office of Water Resources Research and Technology in the U.S. Department of the Interior by the Texas Engineering Experiment Station at Texas A&M University. The project was concerned with identifying potential...
2011-07-01
2011-07-01 1976-08-01 |
The wastewater produced by the wood preserving industry presents a difficult problem to treat economically. A review of the literature indicates the size of the industry has limited the pursuit of an orderly and economic solution. Atmospheric...
2011-07-01
2011-07-01 1976-10-01 |
A three-dimensional model describing the two-phase (air-water) fluid flow equations in an integrated saturated-unsaturated porous medium was developed. Also, a three-dimensional convective-dispersion equation describing the movement of a...
2011-07-01
2011-07-01 1976-09-01 |
Desalination provides a supply alternative for potable water for many communities, along with possible defenses against security threats potentially affecting clean water supplies. The economic and financial life-cycle costs associated with...
2011-07-01
2011-07-01 2009-09-01 |
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 districts. The primary function...
2011-07-01
2011-07-01 2008-11-01 |