Browse by Archive

Texas A&M University Repository

View Archive Info

There are about 15 million acres of cropland in the U.S. that are irrigated from aquifers which are incurring declining water levels (sloggett). This is primarily in the Great Plains Region where irrigation water is pumped from the Ogallala...
2007-11-30
2007-11-30
1984-06-10
In 1979, nine small forested watersheds were instrumented in East Texas to determine the effect of intensive forest management practices On water quantity and quality. Three replications of three treatments were used: 1) clearcutting - followed...
2007-11-30
2007-11-30
1983-01-01
The chief sources of groundwater for the Texas Winter Garden are the Carrizo (Dimmit, Zavala, Frio, and LaSalle Counties) and Edwards (Uvalde County) Aquifers. The major user of groundwater in the region is irrigation. However, insufficient...
2007-11-30
2007-11-30
1983-02-01
The commercial forestlands of East Texas and Louisiana are the most water-efficient producing areas of the two states. Current and projected water shortages for Texas makes this water-rich area extremely important to future growth and development...
2007-11-30
2007-11-30
1983-08-01
Two possible policy alternatives for management of limited water supplies in arid portions of Texas and New Mexico were analyzed for economic feasibility. Detailed studies of the potential impact of a water accumulation policy for each of two...
2007-11-30
2007-11-30
1983-10-01
Water shortages are a common problem in much of the southwest. Increasing urbanization and increasing population places greater demands on dwindling water supplies. Over half of the water used in urban areas of the southwest is used in the...
2007-11-30
2007-11-30
1983-08-01
C. E. Jacob received patents in 1965 for a single location well doublet that would produce fresh water overlying salt-water without upconing of the heavier salt-water and pollution of the fresh water zone. No known evaluation of the concept or...
2007-11-30
2007-11-30
1983-09-01
Crop production on the Texas High Plains is constrained by limited and erratic rainfall, hence irrigation is important. Presently, 6 million acres, or 50% of regional cropland, are irrigated annually. Irrigation water is drawn from the Ogallala...
2007-11-30
2007-11-30
1983-12-01
Irrigation is a major contributing factor in crop production on the Texas High Plains. It is responsible for greatly increasing crop production and farm income for the region. Two factors, a declining groundwater supply and increasing production...
2007-12-04
2007-12-04
1982-05-01
Past irrigation research has shown that peach (prunus persica) trees vary in their field response to water stress, and the degree of stress is a function of the plants' environment. Water deficits reduce plant growth and crop yields, therefore,...
2007-12-04
2007-12-04
1982-08-01
Trickle irrigation is the most efficient method of irrigating peach orchards in Texas. With a trickle irrigation system, a producer may make full use of a limited or low-volume water supply to apply precise amounts of water to the root zones of...
2007-12-04
2007-12-04
1982-08-01
This study estimated the expected regional impact and economic feasibility of a proposed water accumulation or water saving option for agricultural producers operating in the Elephant Butte Irrigation District in southern New Mexico. The water...
2007-12-04
2007-12-04
1982-12-01
Four Texas water supplies (Lake Somerville, Lake Livingston, Neches River, and Sabine River) were surveyed to determine their tendency to form trihalomethanes when chlorinated. The ability of conventional and innovative treatment processes to...
2007-12-04
2007-12-04
1981-01-01
High frequency irrigation implies the uniform, frequent application of water to crops. The fequency may range from several irrigations per week to daily irrigation to even several irrigations per day in greenhouse and nursery settings. Most of the...
2007-12-04
2007-12-04
1981-03-01
Contaminant transport in hydrogeologic systems requires knowledge of transmissivity, storage coefficient, and dispersivity. Techniques for evaluating transmissivity and storage coefficient under field conditions are well known. However, the...
2007-12-04
2007-12-04
1981-03-01
The suitability of water for irrigation depends upon many factors, of primary concern is the quantity and quality of salts present in the water Ayers and Wescot1. If total dissolved solids in the irrigation water are too high, salts accumulate in...
2007-12-04
2007-12-04
1981-08-01
The purpose of this study was to quantify the benefits of using a wind energy system for irrigation. The value of wind energy was estimated on both a static basis (where the annual value of wind power was assumed to be constant over the life of...
2007-12-04
2007-12-04
1981-09-23
The Bureau of Reclamation has approved a program for farmer storage of surface irrigation water in Elephant Butte Reservoir, New Mexico. This program would allow individual farmers to store part of their annual surface water allotment in the...
2007-12-05
2007-12-05
1981-12-01
Solar energy is a promising alternate energy source for space heating. A method of economic long term solar energy storage is needed. Researchers have proposed storing solar energy by injecting hot water heated using solar collectors into...
2007-12-05
2007-12-05
1980-08-01
Solar energy is a possible alternate energy source for space heating. A method of economic long term solar energy storage is needed. Researchers have proposed storing solar energy by heating water using solar collectors and injecting the hot water...
2007-12-05
2007-12-05
1980-08-01
A new concept in irrigation system design, which has the potential of significant savings in both water and energy requirements, has been developed and is under evaluation. The system is characterized by and has been labeled a low energy-precision...
2007-12-05
2007-12-05
1980-05-01
Irrigation is a major contributing factor in crop production on the Texas High Plains. It is responsible for greatly increasing crop production and farm income for the region. Two factors, a declining groundwater supply and increasing production...
2007-12-05
2007-12-05
1980-05-01
A study was conducted to develop automated pivot sprinkler irrigation systems and determine if such systems use less water and energy than manually operated systems. The study was conducted near Earth, Texas, using irrigation systems located on...
2007-12-05
2007-12-05
1980-08-01
126 - 150 of 647 Items    << < 1 2 3 4 5 6 7 8 9 10 > >> 

© Western Waters Digital Library - GWLA member projects - Hosted and designed by the J. Willard Marriott Library