James O. Sickman

Associate Professor of Hydrology

• Office: 2324 Geology
• Phone: (951) 827-4552
• james.sickman@ucr.edu
• Curriculum Vitae

Academic Degrees:

• Ph.D., Watershed Biogeochemistry, U.C. Santa Barbara, 2001
• M.A., Aquatic and Ecosystem Science, U.C. Santa Barbara, 1991
• B.A., Aquatic Biology, U.C. Santa Barbara, 1983

Specialization:

• Watershed hydrology and biogeochemistry, application of stable and radioisotopes to environmental science.

Research Group:

• Graduate Students

  Andrea Heard (Ph.D., Soil and Water Sciences program)

  Critical loads for atmospheric nutrient deposition in the Sierra Nevada

  Peter Homyak (Ph.D., Soil and Water Sciences program)

  Phosphorus biogeochemistry of terrestrial and aquatic ecosystems of the Sierra Nevada

  William Vicars (Ph.D., Soil and Water Sciences program)

  Atmospheric aerosols and deposition in the Sierra Nevada: Implications for aquatic ecosystems

  Paul Koster (Ph.D, Environmental Sciences program)

  Applications of stable isotopes in air pollution and food web studies

• Other

  Amanda Cobbs-Russell - Undergraduate researcher

  Environmental isotope research

Representative Publications:

• Sickman, J.O, DiGiorgio, C., Davisson, M.L., Lucero, D.M, and B. Bergamaschii. 2009. Identifying sources of dissolved organic carbon in agriculturally dominated rivers using radiocarbon age dating: Sacramento-San Joaquin River Basin, California. Biogeochemistry. DOI 10.1007/s10533-009-9391-z.
• Sickman, J.O., Albertin, A., Anderson, M.H., Pinowska, A., and R.J. Stevenson. 2009. A Comparison of Internal and External Supply of Nutrients to Algal Mats in two First Magnitude Springs in Florida. Journal of Aquatic Plant Management. 47: 135-144.
• Schuur, E.A.G., J.G. Vogel, K.G Crummer, H. Lee, J.O. Sickman and T.E. Osterkamp. 2009. The effect of permafrost thaw on old carbon release and net carbon exchange from tundra. Nature 459: 556-559.
• Engel, D., J.O. Sickman, J.M. Melack, C. Moore, A.E. Esperanza and J. Keeley. 2008. The biogeochemical legacy of prescribed fire in a mixed conifer forest of Sequoia National Park: A sixteen year record of watershed balances. JGR-Biogeosciences Vol. 113: doi:10.1029/2006JG000391 16p.
• Sickman, J.O., M.J. Zanoli and H. Mann. 2007. Effects of Urbanization on Organic Carbon Loads in Rivers. Water Resources Research Vol. 43: W11422, doi:10.1029/2007WR005954 15p.
• MacIntyre, S. J.O. Sickman, G.W. Kling, and S. Goldthwait. 2006. Pathways of nutrient supply in a small, ultra-oligotrophic arctic lake during summer stratification. Limnology and Oceanography 51: 1107-1124.

Courses Taught:

• ENSC 163 Physical Hydrology
• ENSC 218 Isotopes in Ecology and Environmental Science
• ENSC 227 Global Change and the Earth System

Graduate Program Affiliations and Research Focus Areas:

• Research Focus Areas

  • Soil and Water Sciences

• Program

  • Environmental Sciences

Links:

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