
Professor, Agricultural and Biosystems Engineering
142 Science II
Ag & Biosystems Engineering
Ames, IA 50011
515-294-5724
downing@iastate.edu
B.S. Biology, Hamline University, St Paul, MN,1973
M.S. Zoology, North Dakota State University, Fargo, ND,1975
Ph.D. Biology, McGill University, Montreal, Quebec, Canada,1980
http://www.public.iastate.edu/~downing/
Water quality
carbon biogeochemistry