Very Active:

Microbial Motility and Morphology Experimental Microbialite Morphology (with Ph.D. student Bekah Shepard; funded by the Agouron Institute) LineBugs(tm) - simulations of colliding filamentous automata (with Jim Crutchfield)
Archean Microbial Communities (funded by NASA Astrobiology: Exobiology and Evolutionary Biology)
Chemical depth gradients in Neoarchean oceans (funded by NASA Astrobiology: Exobiology and Evolutionary Biology and the Agouron Institute)
Middle Permian Delaware Basin and the effects of regional oceanographic changes on geochemical signatures, a project defined by Ph.D. student James Bishop.
Sediments on Mars and cameras for the 2009 Mars Science Laboratory rover (funded by NASA MSL program)
Keck Center for Active Visualization in the Earth Sciences, a new facility for 3-D, interactive visualization and scientific computation. (funded by the W. M. Keck Foundation)

Older Projects:

• Bahamian Stromatolite Calcite Precipitation (with RSMAS post doc Miriam Andres and Prof. Pam Reid; funded by NSF through RIBS)
• Neutron Computed Tomography and applications to imaging endolithic communities and ancient microbialits (with M.S. graduate Nik Huerta; funded by DOE and UCDavis)
• Archean Molar-tooth Structures (with James Bishop, M.S.)
• Diffusion Modeling of Microbial Communities
• Carbonate Precipitation Experiments (with post doc Ryoji Shiraki)
• Late Devonian Extinctions, Microbial Communities and Carbon Isotopes (with Dr. Nat Stephens)
• Herringbone Calcite (with M.S. graduate Sarah Tourre)

The Group
Publications

Dawn's Home Page
Department of Geology Home Page

Dawn Y. Sumner
Department of Geology
University of California
Davis, CA 95616
dysumner@ucdavis.edu