Texas A&M University Repository - Western Waters Digital Library

A Study of Mechanisms and Supression of Evaporation of Water from Soils
Extensive greenhouse experiments were conducted to evaluate chemicals not previously studied extensively for their potential as evaporation suppressants. Included in the studies were crude oil, anionics, cationics, nonionics, silicones,... 2011-06-30
2011-06-30
1971-02-01

Water Resource System Optimization by Geometric Programming
Water resources planners and systems analysts are continually confronted with many complex optimization problems. Two major factors contribute to this problem. Firstly, mathematical modeling and system description capabilities in water resources... 2011-06-30
2011-06-30
1971-02-01

Institutional Factors Influencing Water Development in Texas
The development and use of land and water resources has been and will continue to be significantly affected by institutions--legal, cultural, economic, political and religious. Institutions are the organizing and directing mechanisms by which we... 2011-06-30
2011-06-30
1971-03-01

A Study of the Effects of Institutions on the Distribution and use of Water for...
Water users in the Lower Rio Grande Basin of Texas have depended on the flow of the Rio Grande to supply water for agricultural as well as municipal and industrial purposes. Although the area is a major agricultural production region, it faces... 2011-06-30
2011-06-30
1971-03-01

Applications of Climatology and Meteorology to Hydrologic Simulation
The normal, log-normal, square-root-normal, and cube-root-normal frequency distributions of hydrometeorological data, viz., precipitation, evaporation, and streamflow, were studied for selected regions of Texas. The regions were: East Texas, South... 2011-06-30
2011-06-30
1971-06-01

Identification of Management and Planning Problems of Urban Water Resources in the...
This interim report describes the research performed to date on Project A-017-TEX sponsored by the U. S. Department of Interior Office of Water Resources Research and the Texas A&M University Texas Water Resources Institute. The research reported... 2011-06-30
2011-06-30
1971-09-01

Dynamic Simulation of Unsteady Flow of Water in Unsaturated Soils and its Application...
Two computer programs were developed. One simulated vertical unsteady infiltration through the surface into a homogeneous unsaturated soil. Simulation results were obtained for three different soils--Yolo light clay, Adelanto loam, and Pachappa... 2011-06-30
2011-06-30
1971-11-01

The Composition and Distribution of the Fish Fauna of the Navasota River
Twenty-one thousand fish representing 9 orders, 14 families and 56 species were collected from various habitats of the Navasota River drainage. Some species such as Notropis lutrensis, Gambusia affinis and Lepomis macrocllirlls were taken... 2011-06-30
2011-06-30
1972-08-01

A Model for a Linked System of Multi-Purpose Reservoirs with Stochastic Inflows and...
In Chapter I of this report a model of a single multi-purpose reservoir with stochastic inflows is addressed. The objective of the model is the development of an optimal operating policy for given time sequence of minimum and maximum reservoir... 2011-06-30
2011-06-30
1972-06-01

Water Use Efficiency in Plant Growth and Ambient Carbon Dioxide Level
This report examines the validity and explores the practical implications of the proposition that CO2 enrichment of the leaf environment enhances plant growth and, simultaneously decreases plant water use. A theoretical analysis of the water and... 2011-06-30
2011-06-30
1972-06-01

Cultural Benefits from Metropolitan River Recreation -- San Antonio Prototype
This study analyzes the response to an outstanding design and development of a park-business complex along a natural river in the heart of a major city, The San Antonio River Walk. The research includes both those who visit and those who control... 2011-07-01
2011-07-01
1972-06-01

Mathematical Models of Water Quality Parameters for Rivers and Estuatries
Estuaries represent an economically and biologically important part of our coast. These bodies of water are used as permanent homes or nursery grounds for many of the important forms of marine life. Estuaries also provide protected transportation... 2011-07-01
2011-07-01
1972-10-01

An Investigation of Hydrological Aspects of Water Harvesting
Water harvesting is a potential source of water for arid and semiarid lands. The objectives of this study were to determine combinations of land surface treatments and land forming which result in efficient but inexpensive water harvesting... 2011-07-01
2011-07-01
1972-09-01

The Texas Water Plan and its Institutional Problems
An expansion of tile supply of water and greater efficiency in its use are necessary for the future economic development of the state of Texas. Imported water, supplemental to that available in the state, is an important part of development plans... 2011-07-01
2011-07-01
1973-01-01

The Ecology of the Navasota River, Texas
A general Limnological Survey was made of the Navasota River, Texas, a tributary of the Brazos River, between February, 1968 and March, 1970. Five stations on the main channel were visited twice monthly from February, 1968 to January, 1970, and... 2011-07-01
2011-07-01
1973-12-01

Stochastic Models Applied to Operation of Reservoirs in the Upper Colorado River Basin...
A hydrometeorological model is presented that utilizes 30-day meteorological forecasts of temperature and precipitation issued every 15 days by the National Weather service to provide an estimate of the future hydrometeorological conditions of a... 2011-07-01
2011-07-01
1973-06-01

An Economic Evaluation of a Water-Based Urban Tourist Attraction in San Antonio, Texas
The importance of an economic study of the Paseo del Rio (a highly developed portion of the San Antonio River) has greatly increased with the proposal of many extensions, each of which will involve large investment. That developmental plan which... 2011-07-01
2011-07-01
1973-04-01

Identification of Water Resources Planning Problems in the Metropolitan Area of Greater...
Growth in population and economic activity has been accepted as the essential elements of American life for almost two centuries. Since the beginning of the seventies, we have begun to concern ourselves with the quality of this growth. Meanwhile,... 2011-07-01
2011-07-01
1973-05-25

Water Quality Hydrology of Lands Receiving Farm Animal Wastes
A significant pollution potential from cattle manure has developed as a result of the cattle feeding industry progressing to large, high density feeding operations. Two major potential sources of pollution from beef feedlots is storm runoff and... 2011-07-01
2011-07-01
1973-06-01

Methodology for Assesment of Urban Water Planning Objectives
One of the most perplexing problems in the United States today is concerned with providing the public services required in rapidly-expanding urban areas. A substantial portion of the total public service problem in the urban area involves the... 2011-07-01
2011-07-01
1973-06-01

Development of a Dynamic Water Management Policy for Texas
The purpose of this investigation was to develop techniques to assist water planners in the optimum implementation of their plans. Specifically, techniques useful for continual evaluation of water plans and for scheduling the sequence and timing... 2011-07-01
2011-07-01
1973-06-01

An Evaluation of OBERS Projections of Texas Agricultural Production in 1980, 2000 and 2020
It seems possible, perhaps even likely, that some errors of fact and/or judgment may have been made in the process of allocation of national requirements among states. There may be instances where data are inadequate for the correct expression of... 2011-07-01
2011-07-01
1973-08-01

Decision Analysis on Water Resources Planning and Management for an Arid Metropolitan...
The demand by consumers for public-owned low-priced natural resources is essentially insatiable. When natural resources become scarce the public is agonized by the problem of making an optimum choice or choices from feasible alternatives,... 2011-07-01
2011-07-01
1973-10-01

Alternate Solutions to Water Resource Development -- A Case Study
This study was undertaken in an effort to develop procedural methodology for the consideration of alternative solutions for water resources development in a short period of time with a view toward reduction of total costs involved in... 2011-07-01
2011-07-01
1974-05-01

Development of Criteria for Evaluating Urban River Settings for Tourism-Rereation Use
An earlier study, Cultural Benefits from Metropolitan River Recreation--San Antonio Prototype, (Gunn, et al., 1972), revealed that urban water resources can be successfully developed for tourism and recreation. The San Antonio River Walk is a... 2011-07-01
2011-07-01
1974-06-01