Process Dynamics in Environmental Systems

WALTER J. WEBER, Jr., is the Gordon M. Fair and Earnest BoyceDistinguished University Professor of Engineering at the Universityof Michigan. He is the author of over 300 peer-reviewed technicalpublications, has been a registered professional engineer since1962, was named a Diplomate in the American Academy ofEnvironmental Engineers in 1972, and elected to the NationalAcademy of Engineering in 1985. Dr. Weber received his ScB inchemical engineering from Brown University, MSE in environmentalengineering from Rutgers University, and AM in environmentalchemistry and PhD in water resources engineering from HarvardUniversity.

FRANCIS A. DiGIANO is Professor of Water Resources Engineering inthe Department of Environmental Sciences and Engineering (School ofPublic Health) at the University of North Carolina at Chapel Hill.Prior to this appointment in 1981, he served on the faculty at theUniversity of Massachusetts at Amherst. Dr. DiGiano is a registeredprofessional engineer, a Diplomate in the American Academy ofEnvironmental Engineers, and the author of over 100 technicalpublications. He received his BS in civil engineering from theUniversity of Massachusetts, MS in civil (sanitary) engineeringfrom Tufts University, and PhD in sanitary and water resourcesengineering from the University of Michigan.