Research Interests: Terrestrial Ecosystem Ecology; Land Surface Hydrology; Land-Atmosphere Interactions; Ecosystem-Climate Interactions; Global Environmental Change; Energy-Water-Carbon Exchanges; Ecohydrology.

Visit Lab News to find out the latest.

See our Videos on Earth System Science and Geographic Information Science and Remote Sensing at Clark University, and then come study and work with us to help address some of the most important environmental challenges facing humanity and the planet today.

PhD Applications welcome on the broad topics of (1) climate impacts of forest change, (2) drought and disturbance impacts on ecosystems and water resources, or (3) pathways to deep decarbonization of society. Successful recruits will join the Biogeosciences Research Group of Clark University‚Äôs Earth System Science program within the Graduate School of Geography. Experience with terrestrial ecosystem ecology, ecohydrology, biosphere-atmosphere exchange, eddy covariance, EOS remote sensing, and/or ecosystem and hydrological process modeling is desired.   Send inquiries to Prof. Christopher Williams ( and see application details at Clark University is an Affirmative Action, Equal Opportunity Employer. Minorities and women are strongly encouraged to apply.