Specialization
Soil Sciences, Soil Genesis and Classification, and Advanced Pedology and Geomorphology
Faculty in Environmental Studies and Geography Departments
Education
- Ph.D., University of Arizona
- Docteur Honoris Causa from the Faculte Des Sciences, Universite Caltholique de Louvain, Louvain-la-Neuve, Belgium
Bio
Dr. Chadwick is a joint professor in the Geography Department and Environmental Studies Program at UCSB. His work is in the areas of soil sciences, soil genesis and classification, advanced pedology, and soil geomorphology.
Dr. Chadwick has established himself as a leader in soil science, and is one of the world leaders in relating soils to ecology and earth system science. He has become of the core members of a small but growing and extremely high quality group in ecosystem studies at UCSB. His recently published paper in Nature, and international journal of science, focuses on his ten year research that utilizes Hawaii as a model ecosystem to understand changes in the sources of nutrients to rainforests.
Research
Dr. Chadwick's research interests include pedology, soil geomorphology, soil geochemistry, quaternary geology, organic and mineral fluxes during soil, atmosphere, water and vegetation interaction. He has clearly established himself as a leader in soil science, and is one of the world leaders in relating soils to ecology and earth system science. Professor Chadwick has become one of the core members of a small, but growing and extremely high quality group in ecosystem studies at UCSB.
Projects
Bedrock Stream Incision (Southern Spain), http://www.geog.ucsb.edu/pedology/tony_spain.htm
Predictive Soil Mapping (California), http://www.geog.ucsb.edu/pedology/predictsoil.htm
Silicon Isotope Geochemisry (Hawaii), http://www.geog.ucsb.edu/pedology/si_isotope.htm
Soil Biogeochemistry (Amazon), http://www.geog.ucsb.edu/pedology/amazon_synopsis.htm
Soil-landscape Modeling (California), http://www.geog.ucsb.edu/pedology/npp_data.htm andhttp://www.geog.ucsb.edu/pedology/overview.htmSoil-water Distribution
Landform and Surficial Geologic Mapping (California), http://www.geog.ucsb.edu/pedology/surfgeol_sedg.htm
Time-Climate Matrix (Hawaii), (Climosequence, Chronosequence, Toposequence), http://www.geog.ucsb.edu/pedology/timeclimate.htm
Wind River Basin (Wyoming), http://www.geog.ucsb.edu/pedology/windriver.htm
Publications
Quideau, S.A., O.A. Chadwick, A. Benesi, R.C. Graham, and M.A. Anderson. A direct link between forest vegetation type and soil organic matter composition. Geoderma 104: 41-60.
Capo, R.C., C.E. Whipkey, J. Blanchere, and O.A. Chadwick. Pedogenic origin of dolomite in a basaltic weathering profile, Kohala Peninsula, Hawaii: Comment and Reply. Geology 29: 563-565.
Whipkey, C.E., R.C. Capo, J.C.C. Hsieh, O.A. Chadwick. Development of magnesian calcite and dolomite in Quaternary soils on the island of Hawaii. Journal of Sedimentary Research 72: 158-165.
WD Sharp, KR Ludwig, OA Chadwick, R Amundson, LL Glaser. Dating fluvial terraces by 230Th/U on pedogenic carbonate, Wind River Basin, Wyoming. Quaternary Research (in press)
Kurtz, A.C., L.A. Derry, and O.A. Chadwick. Germanium Ð Silicon fractionation in the weathering environment. Geochimica et Cosmochimica Acta. (in press).
Courses
ES/GEOG 114A Introduction to Soil Science
ES/GEOG 114B Soil Genesis and Classification