James O. Sickman
James O. Sickman
Associate Professor of Hydrology
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:
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Graduate Students
- Andrea Heard - Ph.D., Environmental 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
- Amanda James - Ph.D, Environmental Sciences Program
- Utilizing native plant species as biological sensors for atmospheric deposition
- Paul Koster - Ph.D, Environmental Sciences program
- Applications of stable isotopes in air pollution and food web studies
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Other
- Wei Huang - Ph.D 2010, University of Massachusetts, Boston - Assistant Specialist
- Ahmed Haggag - Undergraduate researcher
- Jennifer Quach - Undergraduate researcher
Representative Publications:
- Albertin, A., Sickman, J.O., Pinowska, A., Stevenson, R.J. 2011. Identification of nitrogen sources and transformations within karst springs using isotope tracers of nitrogen. Biogeochemistry: DOI 10.1007/s10533-011-9592-0.
- Vicars, W., Sickman, J.O. 2011. Mineral dust transport to the Sierra Nevada, California: Loading rates and potential source areas. Journal of Geophysical Research, Biogeosciences: doi:10.1029/2010JG001394.
- López-Medellín, X., Ezcurra, E., Gonzalez-Abraham, C., Hak, J., Santiago, L., Sickman, J.O. 2011. Oceanographic anomalies and sea level rise drive mangroves inland in the Pacific coast of Mexico. Journal of Vegetation Science. Vol. 22: p.143-151.
- Vicars, W., Sickman, J.O., Ziemann, P.J. 2010. Atmospheric phosphorus deposition at a montane site: Size distribution, effects of wildfire, and ecological implications. Atmospheric Environment. Vol. 44: p.2813-2821.
- Sickman, J.O, DiGiorgio, C., Davisson, M.L., Lucero, D.M, and B. Bergamaschii. 2010. 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.
- Schuur, E., Vogel, J.G., Crummer, K., Lee, H., Sickman, J.O., and T.E. Osterkamp. 2009. Permafrost thaw stimulates old carbon release and alters net carbon exchange from upland tundra. Nature. Vol. 459: p.556-559.
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:
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Research Focus Areas
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Program
Links:
