Current Research Projects:

  • Northwest African rainfall, fire, and aridity during the Pleistocene and Neogene
  • Frictional heating on faults evaluated with the thermal alteration of organic molecules
  • Neogene expansion of C4¬†grasslands in India, Africa, Australia, and North America
  • Wildfire in past ecosystems
  • Biological and environmental controls on the hydrogen isotopic composition of organic molecules
  • Alkenone-based records of atmospheric CO2¬†concentrations

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