"Wesley P. James" has over 40 years of experience in hydraulics, hydrology, and water resources engineering, working in federal agencies, private consulting, and universities. He has continued his consulting engineering practice since retiring in 1997 after 26 years with the Civil Engineering Department, Texas A&M University. His teaching, research, and consulting have been in the areas of watershed modeling, remote sensing, groundwater engineering, stormwater management, and design and analysis of hydraulic structures and facilities. Honors include the national J. M. Robbins Excellence in Teaching Award from the Chi Epsilon Civil Engineering Honor Society in 1990. Dr. James holds degrees in Civil Engineering from Montana State University, Purdue University, and Oregon State University.

"Ralph A. Wurbs" is a Professor in the Environmental and Water Resources Engineering Division with the Civil Engineering Department, Texas A&M University. He worked in the water resources program of the U.S. Army Corps of Engineers for nine years prior to joining the TAMU faculty in 1980. Much of his research and consulting have been related to river basin management. His several teaching awards include the national J. M. Bobbins Excellence in Teaching Award from the Chi Epsilon Civil Engineering Honor Society in 2000. His many publications include two other books published by Prentice Hall: "Water Management Models: A Guide to Software" (1995) and "Modeling and Analysis of Reservoir System Operations" (1996). Dr. Wurbs holds degrees from Texas A&M University, University of Texas at Arlington, and Colorado State University.