Christopher Amrhein

Professor of Soil Chemistry

Ph.D. in Soil Chemistry, 1984, Utah State University
M.S. in Water Science, 1980, University of California, Davis
B.S. with High Honors in Soil and Water Science, 1977, University of California, Davis

Management, treatment, and reuse of agricultural wastewater.
Trace element chemistry in soils, sediments, water, and brines.
Oxidation/reduction chemistry in wetlands and metal surfaces.
Dissolution and precipitation kinetics of carbonate and silicate minerals.
Cation and anion adsorption reactions on phyllosilicate clays, metal oxides, and soils.
Reclamation of salt-affected soils and the maintenance of soil structure.

Graduate Students
- Myles Davis (Ph.D., Soil and Water Sciences program)
- Dennise Jenkins (Ph.D., Soil and Water Sciences program)
Other
- Alex Dellantonio - Postdoctoral Research Associate

Goodson, C.C., G. Schwartz, and C. Amrhein. 2006. Controlling tailwater sediment and phosphorus concentrations with PAM in the Imperial Valley, CA. J. Environ. Qual. 35, 1072-1077.
Yu, X., C. Amrhein, Y. Zhang, M.R. Matsumoto. 2006. Factors influencing arsenite removal by zero-valent iron. J. Environ. Engin. 132: 1459-1469.
Yu, X., C. Amrhein, M.A. Deshusses, and M.R. Matsumoto. 2007. Perchlorate reduction by autotrophic bacteria attached to zero-valent iron in a flow-through reactor. Environ. Sci. Tech. 41:990-997.
de Koff, J., M.A. Anderson, C. Amrhein. 2007. Geochemistry of iron in the Salton Sea, California. Hydrobiologia (in press).
Geraci, J.B., C. Amrhein, and C.C. Goodson. 2007. Barnacle growth rate on artificial substrate in the Salton Sea, California. Hydrobiologia (in press).
Rodriguez, I.R., C. Amrhein, and M.A. Anderson. 2007. Laboratory studies on the coprecipitation of phosphate with calcium carbonate in the Salton Sea, California. Hydrobiologia (in press).
Rodriguez, I.R., C. Amrhein, M.A. Anderson. 2007. Reducing dissolved phosphorus loading to the Salton Sea with aluminum sulfate. Hydrobiolgia (in press).

ENSC 100: Introduction to Soil Science (undergraduate class with 4 laboratory periods and 1 ‘Honors’ lab)
ENSC 2: Introduction to Environmental Sciences: Environmental Quality (undergraduate class, 4 units)
SWSC 206: Arid Zone Soils (4 graduate units); alternate years; to be restructured as "Hypersaline Ecosystems"
NASC 92: Freshman Advising Seminar in Environmental Sciences (1 unit)