The University of Arizona

Global Change | The Global Change Graduate Interdisciplinary Program

Mitchel McClaran

Mitchel McClaran (PhD ’86, UC Berkeley) is Professor of Range Management where he teaches and researches rangeland ecology and policy. He is a Fellow in the Bart Cardon Academy for Teaching Excellence, College of Agriculture and Life Sciences, University of Arizona, and was the recipient of the Outstanding Teaching Award from the Range Science and Education Council in 1999. He is also the Assistant Director of the Arizona Agricultural Experiment Station in the College of Agriculture and Life and Director for Research at the 21,500 ha UA Santa Rita Experimental.  Range.

Stuart E. Marsh

Stuart is Director of the School of Natural Resources and Environment. He is currently involved in a broad range of research designed to assess surface environmental conditions utilizing advanced remote sensing and geographic information system technologies. These research efforts have attempted to enhance our abilities to employ these technologies to address the impacts of land use and land cover change and environmental degradation, particularly in the arid and semi-arid lands of the world.

Stephen R. Yool

Stephen Yool's principal areas of research are plant geography and landscape ecology, using remote sensing and geographic information system techniques as tools for inquiry. He has closely related interests in global change, space-time variability of natural vegetation communities at different scales, and impacts of human or natural disturbances on the Earth’s biosphere. Some of his recent projects include mapping change in the Southwest borderlands, fire mapping science, and the distribution of cases of Valley Fever in Tucson.

Francina Dominguez

Dr. Francina Dominguez  is a hydroclimatologist whose work is focused on future climate scenarios for the Southwestern United States and how these will impact the hydrology of the region. She uses both statistical methods and the regional climate model WRF to downscale future climate projections from global coupled climate models to the regional scale. She also has great interest in land-atmosphere interactions, particularly the contribution of local evapotranspiration to precipitation within a region, more commonly referred to as precipitation recycling. 

Kacey Ernst

My primary environmental research interests encompass how anthropogenic and natural changes to the environment influence the ecology and transmission of disease. Current projects focus specifically on malaria and dengue. We are examining the potential for dengue emergence in the U.S./ Mexico border region under current and future climatic conditions. I am also working with communities in Kenya to learn how different environments impact the use and acceptability of malaria interventions.

Xubin Zeng

Xubin Zeng's major research interests include land-atmosphere interaction, ocean-atmosphere interaction, and the seasonal to interannual variability of the climate system based on in situ and remote sensing data analysis as well as large-eddy, mesoscale, and global modeling.

Diana Liverman

Diana Liverman is a Regents' Professor in the School of Geography and Development. Her research has focused on the human dimensions of global environmental change and her main research interests include climate impacts, vulnerability and adaptation, and climate policy and mitigation especially in the developing world. She also works on the political economy and political ecology of environmental management in the Americas, especially in Mexico.

Steven Leavitt

Steven Leavitt applies stable isotope methods toward resolution of questions related to global and regional change. Isotope dendrochronology provides a novel instrument for reconstructing past environments.  Current tree-ring research is aimed at monsoon moisture in the U.S. Southwest from carbon and oxygen isotopes in ponderosa pine and Douglas-fir, drought from carbon isotopes in western tree rings, cool-season temperature from oxygen isotopes in western tree rings, and high-resolution environment in the Great Lakes area from 6000 to 14,000 years ago using tree rings.

Dennis L. Larson

Dennis Larson's research involves use of electrokinetics to manage chemicals in soils, energy use management, equipment repair and maintenance policies, and optimal allocation of resources.


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