Cover

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Title Page, Copyright Page

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Contents

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pp. vii-viii

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Preface

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p. ix

This book is the logical product of years of excellence in geography and water resource studies at Texas State University, and I am privileged to have been a small part of that evolution. When I began to think about leaving my job at Texas Parks and Wildlife during the first year of the...

Acknowledgments

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p. xi

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Introduction

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p. xiii

Water is essential for life. Abundant, reliable, and high-quality water resources are necessary for the health of humans and wildlife and for agricultural and economic development. Texans need to have critical information about and a fundamental understanding of their water...

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1. Climate

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pp. 1-17

AVAILABLE WATER SUPPLY IS DIRECTLY controlled by precipitation and temperature, two of the major factors that define climate. Usable water is what remains of precipitation after evaporation and use by vegetation through the process of transpiration. ...

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2. Surface Water and Groundwater

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pp. 18-34

UNLIKE MANY STATES, TEXAS IS NOT dominated by one or two river systems—fifteen major river systems meander through the state. Although the Rio Grande forms the nearly 1,000 mile-long southwestern border of the state, the modest flow of the river limits its influence to a narrow band roughly 20 miles...

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3. Water Hazards

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pp. 35-49

TEXAS HAS A VARIETY OF NATURAL HAZards that affect human beings in serious ways: floods, droughts, hurricanes, tornadoes, grass and forest fires, erosion, land subsidence, and pestilence. The natural hazards in which water is the focus wreak by far the most damage to humans and our built landscape. ...

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4. Water Quantity and Quality

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pp. 50-69

BEYOND THE QUART OR SO OF WATER that humans biologically need every day, even the simplest lifestyle requires far greater amounts of water for human hygiene, cooking, and washing. Since earliest times, irrigation has increased crop production in all but the wettest regions. ...

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5. Water Projects, Pollution, and Protection

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pp. 70-89

TEXAS IS NOTABLE FOR THE RELATIVELY modest development of two uses of its surface streams. First, Texas has few streams that are potentially navigable for present-day commerce. The only stream considered for a major modern navigation project was the Trinity River, but the river’s channelization was abandoned in 1973 because of soaring costs. ...

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6. Water Recreation

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pp. 90-95

HAVING 1.26 MILLION SURFACE ACRES OF freshwater in lakes, 2.1 million surface acres in saltwater bays, and more than 80,000 miles of rivers and streams, Texas has one of the greatest varieties of water bodies of any state in the country. ...

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7. Water Prospects

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pp. 96-110

WHAT DOES THE FUTURE HOLD FOR water resources in Texas? The population of Texas is expected to expand dramatically from 20.9 million in 2000 to 33.3 million in 2030 and to 45.6 million in 2060 (U.S. Census Bureau 2005; TWDB 2007). ...

Texas Water Timeline

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pp. 111-123

Glossary

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pp. 125-126

References

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pp. 127-129

Index

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p. 131