The sustainable management of water resources has become an increasingly prominent field of study and research. Ecohydrology and water management are crucial topics of interest in this field. This book explores the cohesive relationship between water resources and their respective ecosystems. The chapters included herein trace the progress of these fields and highlight some of the key concepts such as ecological engineering, catchment hydrology, biogeochemical processes, mathematical analysis, management of different water resources, etc. Scientists and students will find this book full of crucial and unexplored concepts.