Professor, School of Natural Resources
Adjunct Associate Professor, Geosciences
Professor, Geography and Regional Development
Professor, Geosciences
Director, Bureau of Applied Research in Anthropology
Professor, Atmospheric Sciences
Associate Professor, Laboratory of Tree-Ring Research
Professor, Soil, Water and Environmental Science
Regents Professor, Laboratory of Tree-Ring Research
Director, Office of Arid Lands Studies
Professor, School of Natural Resources
Deputy Director, Institute for the Study of Planet Earth
Director, Institute for the Study of Planet Earth
Professor, Hydrology and Water Resources
Deputy Director, Udall Center for Studies in Public Policy