696 Pages 452 B/W Illustrations
    by CRC Press

    The late Professor Reds Wolman in his Foreword to the award-winning second edition said, "This is not your ordinary textbook. Environmental Hydrology is indeed a textbook, but five elements often found separately combine here in one text to make it different. It is eclectic, practical, in places a handbook, a guide to fieldwork, engagingly personal and occasionally opinionated. … and, perhaps most engaging to me, in places the authors offer personal views as well as more strongly worded opinions. The former often relate to evaluation of alternative approaches, or formulations, of specific solutions to specific hydrologic problems."

    The first and second editions were bestsellers and the third promises to educate people new to the field of hydrology and challenge professionals alike, with insightful solutions to classical problems as well as trendsetting approaches important to the evolving genre. The third edition enhances materials in the second edition and has expanded information on many topics, in particular, evapotranspiration, soil erosion, two-stage ditch design and applications, and stream processes.

    What’s New in the Third Edition:

    • Presents new sections on rock structures in streams, hypoxia, harmful algal blooms, and agricultural practices to reduce nutrient discharges into water resources
    • Enhances the format to aid the reader in finding tables, figures, and equations
    • Contains more than 370 figures, 120 tables, 260 equations, 100 worked examples, 160 problems, and more than 1000 references

    Collectively, the authors have more than 130 years of international experience and the addition of John Lyon and Suzette Burckhard as co-authors expands the breadth of knowledge presented in this book. More than 60 scientists and engineers in Australia, Canada, Europe, and the United States provided assistance to round out the offerings and ensure applicability to hydrology worldwide.

    The Hydrologic Cycle, Water Resources, and Society

    The Water, Food, Industry, Population Growth Nexus

    The Hydrologic Cycle

    Water Resources in the United States

    The Importance of Hydrology to Society

    Modeling the Hydrologic Cycle

    Hydrologic Data Analysis

    Advantages and Disadvantages of Modeling Data

    Typical Model Architecture




    Causes of Precipitation

    Precipitation Events

    Measurement of Precipitation

    Storm Time Trends

    Average Precipitation over an Area

    Rainfall Frequency Distributions

    Probability of an Event Occurring

    Rainfall Erosivity

    Climate Change and Uncertainty


    Infiltration and Soil Water Processes


    Soil Water Relationships

    Infiltration and Soil Water Retention

    Factors Affecting Water Movement into and through Soils

    Soil Water Balance

    Estimating Infiltration Rates

    Perspective on Infiltration Methods

    Measurement of Soil Properties


    Soil Moisture and Evapotranspiration


    Evaporation Process

    Evapotranspiration From Soil and Plants

    Measuring Evaporation or Evapotranspiration

    Weather Data Sources and Preparation

    Estimating Evaporation and Evapotranspiration

    Advances in Estimating Crop Evapotranspiration

    Evapotranspiration and Soil Water Budgets in Space and Time

    Using Evapotranspiration Data and Management Strategies


    Runoff and Drainage


    Factors Affecting Runoff Processes

    Watershed Factors that Affect Runoff

    Runoff Characteristics: The Hydrograph

    Predicting Volume of Stormflow and Total Runoff

    Prediction of Peak Runoff Rate

    Stormwater Hydrographs

    Assessment and Application of Flood Estimation Techniques

    Agricultural Land Drainage Modifications

    Determining Subsurface Drainage Flows

    Flow Duration and Water Yield

    Planning for Low Flow Water Shortages

    Runoff Characteristics–Pollutograph


    Stream Processes


    Interaction of Streams with the Landscape

    Stream Orders

    Stream Biota

    Stream Characteristics

    Stream Stability and Sediment Transport

    Meander Migration, Floodplains, and Streamways

    Stream Classification

    Channel Evolution

    What to Measure and Why the Measurement Should Be Made

    Some Other Important Factors

    Stream Restoration


    Uniform Open Channel Flow


    Flow Velocity and Discharge

    Grassed Waterways

    Compound Channels

    Two-Stage Agricultural Ditches and Canals

    Other Compound Channel Applications

    Modifying, Managing, and Enhancing Constructed Channel


    Hydraulic Control Structures


    Specific Energy and Critical Discharge

    Riffles, Pools and Runs (Based on Newbury et al, 2011 with permission from the

    American Geophysical Union)

    Weirs, Flumes, and Culverts

    Backwater Analysis

    Rock Structures

    Sizing Rock

    Routing flows through Channels and Rivers

    Routing flow through Reservoirs


    Soil Conservation and Sediment Budgets


    Factors Affecting Erosion by Water

    Types of Erosion

    Estimating Soil Loss and Soil Loss Tolerance

    Universal Soil Loss Equation

    Nonagricultural Applications of the USLE

    Downstream Sediment Yields

    Single-Event Sediment Yields

    Sediment Budget Concepts

    Sediment Storage in Large Reservoirs

    Problems (Note: The first 7 problems relate to Equation 9.1)

    Hydrology of Forests, Wetlands, and Cold Climates


    How are Forests Different?

    Forest Climates: Rain and Snow

    Interception: Rain, Snow, and Fog

    Energy Balance in Forests




    Subsurface Flow (Interflow)

    Surface Runoff

    Streamflow and Watershed Hydrology

    Erosion: Sediment Budget

    Deforestation, Fires, and Silviculture

    Rangelands and Grazing





    Characterization of Groundwater Flow

    Groundwater Flow Patterns and Stream Interaction

    Flow to Wells

    Capture Zones of Wells

    Fracture Flow

    Groundwater Vulnerability


    Human Impacts on Water Resources: Prevention and Treatment Strategies


    Human Impacts on Stream Health

    Flood Forecasting and Management

    Urban Impacts

    Conundrum of Understanding Discharge Frequency

    Reducing Runoff from Urban Areas

    Detention and Retention Ponds

    Agricultural Impacts on Water Quality

    Agricultural Water Quality Best Management Practices



    Fundamentals of Remote Sensing and Geographic Information Systems for Hydrologic




    Parts of the Spectrum and Radiation Characteristics

    Data Types and Databases

    Remote Sensing Characteristics of Water


    Practical Exercises on Conducting and Reporting Hydrologic Studies


    Conducting a Hydrologic Study

    Reporting a Hydrologic Study

    Report Contents

    General Guidelines for Preparing Exercise Reports

    Exercise 14.1: Precipitation (See Theory in Chapter 2)

    Exercise 14.2: Evaporation (See Theory in Chapter 4)

    Exercise 14.3: Runoff (See Theory in Chapter 5)

    Exercise 14.4: Flow Duration (See Theory in Chapter 5)

    Exercise 14.5: Storm Runoff, Totals, and Peaks (See Theory in Chapter 5)

    Exercise 14.6: Erosion and Elementary Sediment Routing (See Theory in Chapter 9)

    Exercise 14.7: Streamflow Measurement in the Field (See Theory in Chapter 7)

    Exercise 14.8: Watershed or Drainage Basin Morphology (See Theory in 6)

    Exercise 14.9: The Practical use of Soil Surveys for Environmental Management

    The Practical use of Soils Maps for Management





    Andy D. Ward, Ph.D, is a professor in the Department of Food, Agricultural and Biological Engineering, The Ohio State University and has been a member of the faculty since 1986. In 1971, he obtained a B.Sc. in civil engineering from Imperial College, London, England. In 1977 and 1981, Dr. Ward obtained an M.S. and Ph.D. respectively in agricultural engineering from the University of Kentucky. He has authored more than 100 manuscripts and co-authored a paper that received the 1994 Autometric Award from the American Society of Photogrammetry and Remote Sensing for the best interpretation of remote sensing data.

    Stanley W. Trimble, Ph.D, is professor emeritus in the Department of Geography at UCLA and has been a member of the faculty since 1975. In 1963, he received a B.S. in chemistry from the University of North Alabama. He earned his M.A. (1970) and Ph.D. (1973) in geography at the University of Georgia. Dr .Trimble was a research hydrologist with the US Geological Survey from 1973-84, and a visiting professor at the Universities of Chicago (1978, 1981, 1990), Vienna (1994, 1999), Oxford (1995), London (University College, 1985), and Durham (1998). He has published more than 100 research publications.

    Suzette R. Burckhard, PhD, PE is a professor in the Civil and Environmental Engineering Department in the Jerome J. Lohr College of Engineering at South Dakota State University (SDSU), Brookings. She has been on the faculty since 1997. Dr. Burckhard earned a BS in engineering physics and civil engineering from SDSU. She also attended Kansas State University, earning an MS in physics, an MS in chemical engineering, and a PhD in civil engineering while there. She has over 100 presentations and publications including coauthoring the 3rd place ESRI Award for Best Scientific Paper in Geographic Information Systems in 2008. 

    John G. Lyon has conducted scientific and engineering research and administrative functions throughout his career. He is formerly the senior physical scientist in the U.S. Environmental Protection Agency’s Office of Research and Development (ORD) and Office of the Science Advisor in Washington, DC, where he co-led work on the Group on Earth Observations and the USGEO subcommittee of the Committee on Environment and Natural Resources, and research on geospatial issues. Lyon was director of ORD’s Environmental Sciences Division for approximately eight years. He was educated at Reed College in Portland, Oregon, and the University of Michigan in Ann Arbor.

    "Environmental Hydrology provides a helpful introduction to some of the key processes and issues surrounding contemporary hydrology, from the description of the main components of the hydrological cycle, to human impacts and the application of remote sensing and GIS. A dedicated chapter at the end of the book that contains practical exercises provides readers with the opportunity to test their understanding of the book’s content."
    —Dr Simon Gosling, School of Geography, University of Nottingham, UK

    "This is an updated edition (2nd ed., 2004; 1st ed., 1995) of a comprehensive introductory hydrology textbook. At over 600 pages, it covers a lot of territory. This is perhaps appropriate for a subject as broad as the water molecule, but the text’s sheer size might be daunting to some. The presentation and mathematical explanations are clear, and there are quite a few worked examples and end-of-chapter problems which are logically posed. The volume takes a more broad-scale look at hydrological science than comparable works, such as S. L. Dingman's Physical Hydrology (3rd ed., 2014). Some derivations appear slightly more general than in Dingman's text, for example, in the presentation of the Penman-Monteith equation, but Ward (Ohio State) and coauthors then add pertinent material from diverse specialties. This is appropriate as hydrology can be seen as a major interdisciplinary factor linking many branches of earth and environmental science. Chapters on the fundamental physical processes behind the basic water balance equation are followed by relatively in-depth discussions of hydrological analysis as applied, for example, to specific ecosystems such as forests and high latitude regions. Next, the authors provide substantial material on such varied topics as sedimentation, human impacts, geographic information systems (GIS), and remote sensing as they are applied to hydrology."
    CHOICE, May 2016

    "Unlike many other hydrology textbooks, the authors of Environmental Hydrology make an exceptional effort of emphasize water in soil, agricultural soil and land management, and even the use of soil surveys in several of the chapters while integrating classical hydrology concepts."
    Soil Science Society of America Journal, April 2016

    "Environmental Hydrology is full of useful information presented in both written and visual formats. Even in black and white, photos and figures are helpful in conveying important points to the reader. The book is packed with examples and problems drawn from the authors’ professional experiences as practicing engineers and hydrologists. From an educator’s perspective, the book has a nice balance between examples and problems that are straight-forward in their solution and those that require the student to make assumptions and exercise sound professional judgment, as in many "real-world" cases where not all of the inputs are given or known."
    Groundwater, September-October 2016