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 & occasionally opinionated & 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 & second editions were bestsellers & the third promises to educate people new to the field of hydrology & 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 & has expanded information on many topics in particular evapotranspiration soil erosion two-stage ditch design & applications & stream processes What's New in the Third Edition Presents new sections on rock structures in streams hypoxia harmful algal blooms & agricultural practices to reduce nutrient discharges into water resources Enhances the format to aid the reader in finding tables figures & equations Contains more than 370 figures 120 tables 260 equations 100 worked examples 160 problems & more than 1000 references Collectively the authors have more than 130 years of international experience & the addition of John Lyon & Suzette Burckhard as co-authors expands the breadth of knowledge presented in this book More than 60 scientists & engineers in Australia Canada Europe & the United States provided assistance to round out the offerings & ensure applicability to hydrology worldwide