This new edition is a major revision of the popular introductory reference on hydrology and watershed management principles, methods, and applications. The book s content and scope have been improved and condensed, with updated chapters on the management of forest, woodland, rangeland, agricultural urban, and mixed land use watersheds. Case studies and examples throughout the book show practical ways to use web sites and the Internet to acquire data, update methods and models, and apply the latest technologies to issues of land and water use and climate variability and change.
Hydrology and the Management of Watersheds has been a classroom staple since the publication of the first edition. The 4th edition has been fully revised and updated, adding new features that allow for students to explore the field beyond the book, while still providing broad coverage of the fundamentals of hydrology and application of those concepts in the management of watersheds. The new edition updates basic the basic concepts that provide a strong foundation in the field of hydrology. Coverage has been synthesized with a renewed focus on integrated watershed management reflecting the evolving view of the field for today's students and professionals. New web links have been provided to allow students to more thoroughly explore the world of hydrology and watershed management outside of the book. Valuable chapter summaries and learning points are also included to help reinforce key concepts to the reader. This careful revision ensures that Hydrology and the Management of Watersheds, 4th Edition will continue to provide students and stakeholders with essential, practical information in the key concepts of hydrology and watershed management.
Preface xiii
Definition of Terms xv
1 Watersheds, Hydrologic Processes, and Pathways 3
1 Introduction 7
Overview 7
Watersheds 10
Integrated Watershed Management 12
Sustainable Use and Development of Natural Resources 14
Watersheds, Ecosystem Management, and Cumulative Effects 20
Reconciling Watershed and Political Boundaries 21
Summary and Learning Points 24
References 24
Webliography 26
2 Hydrologic Cycle and the Water Budget 27
Introduction 27
Properties of Water 27
The Hydrologic Cycle 30
Energy and the Hydrologic Cycle 38
Water Flow in Soil 43
Water Flow on Land and in Stream Channels 47
Summary and Learning Points 47
References 48
3 Precipitation 49
Introduction 49
Precipitation Process 50
Rainfall 53
Snowfall 63
Summary and Learning Points 78
References 78
Webliography 79
4 Evaporation, Interception, and Transpiration 81
Introduction 81
The Evaporation Process 82
Evaporation from Water Bodies 83
Evaporation from Soil Surfaces 85
Interception 85
Transpiration 92
Potential Evapotranspiration 103
Estimating Actual Evapotranspiration 105
Summary and Learning Points 109
References 110
5 Infiltration, Pathways of Water Flow, and Recharge 113
Introduction 113
Infiltration 113
Pathways of Water Flow 125
Summary and Learning Points 138
References 138
6 Streamflow Measurement and Analysis 141
Introduction 141
Measurement of Streamflow 141
Methods for Estimating Streamflow Characteristics 148
Summary and Learning Points 170
References 171
Webliography 172
7 Groundwater and Groundwater-Surface Water Exchange 173
Introduction 173
Groundwater 174
Groundwater-Surface Water Exchanges 187
Summary and Learning Points 193
References 194
Webliography 195
2 Physical, Chemical, and Biological Linkages of Water Flow 197
8 Soil Erosion Processes and Control 199
Introduction 199
Surface Soil Erosion 199
Erosion from Gullies and Ravines 221
Soil Mass Movement 230
Summary and Learning Points 237
References 238
Webliography 241
9 Sediment Supply, Transport, and Yield 243
Introduction 243
Sediment Supply and Transport 244
Measurement of Sediment 255
Sediment Yield 258
Cumulative Watershed Effects on Sediment Yield 260
Summary and Learning Points 263
References 264
10 Fluvial Processes and Implications for Stream Management 267
Introduction 267
Fluvial Geomorphology 268
Valley and Stream Evaluation and Classification 272
Stream Classification 285
Summary and Learning Points 293
References 293
Webliography 295
11 Water-Quality Characteristics 297
Introduction 297
Chemistry of Precipitation 298
Physical Characteristics of Surface Water 300
Dissolved Chemical Constituents 311
Biological Characteristics 319
Groundwater Quality 323
Cumulative Effects 324
Summary and Learning Points 325
References 326
Webliography 328
3