Acknowledgements

I deeply appreciate the thorough and useful reviews of and contributions to this book by the following individuals:

• Yan Zheng, Chair Professor, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, China;
• Jens Blotvogel, Research Assistant Professor in the Department of Civil and Environmental Engineering at Colorado State University (CSU), United States;
• Everton De Oliveira, President of Hidroplan, Director-President of the Instituto Água Sustentável (Sustainable Water Institute), Brazil;
• Rasmus Jacobsen, Senior Researcher, Dept. of Geochemistry, Geological Survey of Denmark and Greenland (GEUS), Denmark;
• Connie Bryson, Science Editor, The Groundwater Project, Ontario, Canada, and,
• Emilio Custodio, Professor, Polytechnic University of Catalonia, Spain.

I am grateful for Amanda Sills and the formatting staff of the Groundwater Project for their oversight and copyediting of this book. I am grateful to Doug Mackay (Professor Emeritus, Land Air and Water Resources, University of California Davis) for his creative content creations. I appreciate the final review provided by Ineke Kalwij (Kalwij Water Dynamics, Vancouver, British Columbia, Canada). I thank Eileen Poeter (Colorado School of Mines, Golden, Colorado, USA) for reviewing, editing, and producing this book.

Francis H. Chapelle