UNF Environmental Center and
Department of Chemistry
University of North Florida
1 UNF Drive
Jacksonville Florida 32224
Email: This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Phone: (904) 620-1918

Education
B.S. (Chemistry) Ohio State University
Ph.D. (Analytical Chemistry) University of North Carolina at Chapel Hill

Radha Pyati, Ph.D. is an Environmental Analytical Chemist and the Director of the UNF Environmental Center. Her research focuses on imaging flow cytometry of fission yeast and its growth poisons, and analysis of soil for lead contamination using atomic absorption.

Dr. Pyati (along with Dr. McCarthy) co-ordinated the overall activities of the River Report project, and co-authored the water quality sections on Fecal Coliform and the Lower St. Johns River Tributaries.

Education
2003 Ph.D. (Environmental Toxicology) Clemson University, Clemson, South Carolina
2000 M.S. (Environmental Toxicology) Clemson University, Clemson, South Carolina
1997 B.S. (Biology) University of North Florida, Jacksonville, Florida

Gretchen Bielmyer, Ph.D. is an Assistant Professor at Valdosta State University and has a diverse background in Biology and Environmental Toxicology. She specializes in Aquatic Toxicology, evaluating the effects of pollutants on water quality and aquatic life and has training in Total Maximum Daily Loads as well as Ecological Risk Assessment. Her current research focuses on evaluating the effects of heavy metals on sensitive aquatic species, such as tropical sea urchins and coral, in efforts to improve environmental regulations.

Dr. Bielmyer gathered and evaluated data for, and authored the water quality sections on Dissolved Oxygen , Nutrients, and Metals.

Education
1993 Ph.D. (Physical Meteorology) Florida State University, Tallahassee, Florida
1986 M.G.A. (Management - Administration) University of Maryland, Maryland
1974 M.S. (Meteorology) U. S. Naval P. G. School
1969 B.S. (Engineering - Oceanography) U. S. Naval Academy

Patrick Welsh, Ph.D. is a retired Navy oceanographer and NOAA meteorologist with broad interest in the coastal ocean and atmosphere, particularly the physical flow fields and their physics. He is currently Executive Director of the Advanced Weather Information Systems Laboratory where he works with realtime environmental data systems and geophysical computer models. He has long term interests in mesoscale severe storm structure, Doppler radar signatures from tropical cyclone induced tornadoes, influences of river and sea breezes, Florida tornadoes, and coastal impact of hurricanes and hurricane storm surge.

Dr. Welsh gathered and evaluated data for, and authored the water quality sections on Turbidity, Algal Blooms and Fecal Coliform.

Associate Professor of Chemistry
Department of Chemistry
University of North Florida
1 UNF Drive
Jacksonville, FL 32224
Email: This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Phone: (904) 620-1938
Fax: (904) 620-1989

Education
1994 Ph.D. (Analytical Chemistry) University of Massachusetts, Amherst, Massachusetts
1988 B.Sc (Chemistry and Analytical Science) Loughborough University, England

Stuart Chalk, Ph.D. is an associate professor of Chemistry at UNF. His research focuses on development of remote instrumentation for analysis of enviromentally important chemicals, new stable color reagents, and development of web-based data analysis software. He is also the directory of the new UNF Environmental Digital Library.

Dr. Chalk gathered and evaluated data for, and authored the water quality section on the Lower St. Johns River Tributaries. He also co-ordinated the data collection/analysis of the water quality section, document formatting, and reference collection and organization.