The University of Arizona

Global Change | The Global Change Graduate Interdisciplinary Program

Marvin Waterstone

Marvin Waterstone's current interests focus primarily on the intersections of discourse and power, and the uses of social theory. In addition, he maintains an active research and teaching program in issues of environmental and resource management and the human dimensions of global change.

David Meko

David Meko's research centers on improving the understanding of temporal and spatial variability of climate on time scales of years to centuries, and on applying knowledge of long-term climate variability to management of water and other natural resources. His specialty is time series analysis of tree-ring data. His current research projects address hydroclimatic variability in the Mediterranean region and the Sierra Nevada of California. 

Tracey Osborne

Tracey Osborne's research focuses broadly on the social dimensions of climate change mitigation, particularly in tropical forest ecosystems. She has worked extensively on issues of livelihoods, land access and local development as they relate to forestry-based carbon offset projects in Chiapas, Mexico. More recently, her work has explored the intersection of carbon finance, forms of governance, and livelihood benefits for small-scale carbon producers in the developing world.

Jake Weltzin

Jake’s interests encompass how the structure and function of plant communities and ecosystems might respond to global environmental change, including atmospheric chemistry, climate change, and biological invasions. His research spans temperate and tropical grasslands and savannas, temperate woodlands, deciduous forest, and sub-boreal peatlands. His recent experience as a science administrator at the National Science Foundation underscored the need to foster large-scale science initiatives such as USA-NPN.

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.

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