本书以水文循环为大纲，阐述了水文循环的物理机制、时空分布及各要素之间的相互作用。包括水文基础知识、水文循环理论和水文平衡计算原理、水文循环对地表水和地下水的具体过程分析、人类活动对水环境的影响。本书反映了水文学领域的新思想和新成果。
本书既可作为研究生、高层次本科生的教材，也可作为水文学者或水文相关专业师生的参考书。
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Chapter 1 INTRODUCTION
1.1 The Importance of Water
1.2 Properties of Water
1.3 Water Resources
1.3.1 Definition
1.3.2 World's Water Storage
1.3.3 World's Water Distribution
1.3.4 Water Resources in China
1.4 Hydrology and Its Branches
Summary
Questions
Chapter 2 HYDROLOGICAL CYCLE AND HYDROLOGICAL BALANCE
2.1 Hydrological Cycle
2.1.1 The Global Hydrological Cycle
2.1.2 The Watershed Hydrological Cycle
2.2 Hydrological Budget
Summary
Questions
Chapter 3 PRECIPITATION
3.1 Formation of Precipitation
3.1.1 Atmospheric Cooling
3.1.2 Condensation Nuclei
3.1.3 Water or Ice Droplet Growth
3.1.4 Types of Precipitation
3.2 Distribution of Precipitation
3.2.1 Static Influences on Precipitation Distribution
3.2.2 Forest Rainfall Partitioning
3.3 Measurement of Precipitation
3.3.1 Direct Precipitation Measurement
3.3.2 Surrogate Precipitation Measurements
3.4 Estimation of Spatially Distributed Precipitation
3.4.1 Thiessen's Polygons
3.4.2 Hypsometric Method
3.4.3 Isohyetal and Other Smoothed Surface Techniques
3.5 Temporal Characteristics of Precipitation
Summary
Translation of Some Sections
Questions
Chapter 4 EVAPORATION
4.1 Evaporation Mechanisms
4.2 Evaporation from Water Surface
4.3 Evaporation from Soil Surface
4.4 Transpiration
4.5 Evapotranspiration
Summary
Translation of Some Sections
Questions
Chapter 5 RUNOFF
5.1 Runoff Mechanism
5.1.1 Overland Flow
5.1.2 Subsurface Flow
5.1.3 Baseflow
5.1.4 Channel Flow
5.2 Velocity Distribution in a Stream Section
5.3 Measuring Streamflow
5.3.1 Instantaneous Streamflow Measurement
5.3.2 Continuous Streamflow Measurement
5.4 Floods
5.4.1 Introduction
5.4.2 Influences on Flood Size
5.5 Watersheds
5.5.1 Watersheds and Types of Drainage Pattern
5.5.2 Watersheds and Stream Orders
5.5.3 A Geomorphologic Perspective
5.5.4 A Topographic Perspective
Summary
Translation of Some Sections
Questions
Chapter 6 STREAMFLOW ANALYSIS
6.1 Hydrograph Analysis
6.1.1 The Hydrograph
6.1.2 Hydrograph Separation
6.1.3 The Unit Hydrograph (UHG)
6.2 Flow Duration Curves
6.3 Frequency Analysis
6.3.1 Frequency Distribution
6.3.2 Flood Frequency Analysis
Summary
Translation of Some Sections
Questions
Chapter 7 GROUNDWATER HYDROLOGY
7.1 Porous Materials
7.2 Aquifer Classification
7.2.1 Aquifers and Aquitards
7.2.2 Aquifer Characteristics
7.2.3 Unconfined or Confined Aquifer
7.3 Storage of Groundwater
7.3.1 Water in the Unsaturated Zone
7.3.2 Water in the Saturated Zone
7.4 Surface Tension and Capillarity
7.5 Movement of Groundwater
7.5.1 Water Transmit in Pores
7.5.2 Principles of Groundwater Flow
7.5.3 Aquifer Recharge and Discharge
Summary
Translation of Some Sections
Questions
Chapter 8 WATER RESOURCES MANAGEMENT IN A CHANGING WORLD
8.1 Hydrology and Change
8.1.1 Climate Change
8.1.2 Change in Land Use
8.1.3 Groundwater Depletion
8.1.4 Urbanization
8.2 Water Resource Management
8.2.1 Integrated Water Resource Management (IWRM)
8.2.2 Integrated Catchment Management (ICM)
8.2.3 Stormwater Management
Summary
Translation of Some Sections
Questions
APPENDIX A: UNITS AND CONVERSIONS
APPENDIX B: SI UNIT PREFIXES
APPENDIX C: PHYSICAL PROPERTIES OF WATER (SI UNITS)
APPENDIX D: GLOSSARY
REFERENCES