• trace gas dynamics in managed and natural ecosystems
  • nutrient cycling and water quality
  • carbon biogeochemistry, dynamics and assessment methods
  • biogeochemistry of restored ecosystems

Nitrogen dynamics and water quality; soil-atmosphere exchange of trace gases (CO2, CH4 and N2O); biogeochemistry of restored wetlands; soil erosion and the global carbon cycle; carbon sequestration; conservation tillage and soil processes.

Past Affiliations

Research Scientist, Natural Resources, College of Food, Agricultural, and Environmental Sciences, Ohio State University (past)

Postdoctoral Fellow, Natural Resources

Lecturer / Professor, Ressources Naturelles

National Consultant, United Nations Food and Agriculture Organization (FAO), Port-au-Prince

Postdoctoral Researcher, Institute of Ecosystem Studies, Millbrook

Graduate Research Associate, Agronomy / School of Natural Resources, Ohio State University (past)

Associate Professor, Department of Earth Sciences, School of Science, Indiana University-Purdue University Indianapolis

Environmental Science, Geology, Geology
PhD, Ohio State University, Agronomy / Soil Biochemistry, 1995
MS, Ball State University, Natural Resources / Soil Chemistry, 1991
BS, State University of Haiti, Agronomy / Soils, 1985
agronomy soil sciences soil erosion biochemistry & molecular biology geology carbon cycle environmental sciences greenhouse gases natural resources water quality watersheds carbon dioxide methane
Creole, French, English, French, Spanish

Outstanding Graduate Student, Department of Natural Resources (Ball State University), 1991-1991

Fullbright Scholarship, LASPAU (Ball State University), 1989-1991

Graduate Research Competition, Office of Sponsored Research (Ball State University), 1989-1991

American Society of Agronomy
Geochemical Society
Soil Science Society of America