International Geosphere-Biosphere Programme (IGBP) Integrated Land Ecosystem-Atmosphere Process Study (ILEAPS) Scientific Steering Committee, and the American Meteorological Society (AMS) Committee on Hydrology. He received his Ph.D. in meteorology from the University of Maryland.


Aris P. Georgakakos is a professor in the School of Civil and Environmental Engineering at the Georgia Institute of Technology. He is also the school’s Associate Chair for Research, head of the Environmental Fluid Mechanics and Water Resources Program, and director of the Georgia Water Resources Institute. Dr. Georgakakos’ research includes decision support systems for river basin planning and management; flood and drought assessment, forecasting, and management; hydropower scheduling; agricultural planning; and remote sensing of environmental variables. He received his Ph.D. from the Massachusetts Institute of Technology in civil engineering. Dr. Georgakakos has also served on the NRC Committee on Utilization of Environmental Satellite Data: A Vision for 2010 and Beyond.


Chester F. Ropelewski is currently the director of Climate and Environmental Monitoring at the International Research Institute (IRI), Columbia University. He started his meteorological career as a weather forecaster for the U.S. Air Force from 1966 to 1970, and he returned to graduate school at Pennsylvania State University in 1970. After a brief stint in the private sector, he joined the National Oceanic and Atmospheric Administration as a research meteorologist in 1974. He joined the Climate Prediction Center of the National Weather Service in 1981 and was chief of the Center’s Analysis Branch from 1990 until joining the IRI in 1998. His research interests include the analysis and monitoring of seasonal-to-interannual climate variability and the analysis and display of climate and environmental data. Mr. Ropelewski’s primary research interests are on the impacts of the El Niño-Southern Oscillation on global and regional rainfall patterns. He received the Department of Commerce Bronze (1987) and Silver (1992) Medal Awards and the World Meteorological Organization’s 1990 Norbert Gerbier Mumm Award for his work in this area. Mr. Ropelewski is author of more than 50 papers in refereed journals in addition to several book chapters, atlases, and technical publications. He has been an invited speaker at the American Meteorological Society, the American Geophysical Union, NOAA, university seminars, and NRC committee meetings. He was elected a fellow of the American Meteorological Society in 2002.


Guido D. Salvucci is an associate professor in the Departments of Geography and Earth Sciences at Boston University. His research interests include vadose zone hydrology, remote sensing, stochastic hydrology, and hydroclimatology. Recent projects in these areas include the estimation of water vapor convergence over the Mississippi River Basin using top-of-atmosphere net radiation and the moist-static energy budget as constraints; estimation of the relation between soil moisture and land-surface fluxes and how that relation scales spatially; evaluation of the impact of large-scale irrigation on boundary layer fluxes in southeastern Turkey using remote sensing data, mesoscale modeling, and the Bouchet-Morton complementarity framework; and evaluating the influence of groundwater dynamics on land-atmosphere fluxes. His work has been published in Water Resources Research, Journal of Hydrometeorology, Journal of Climate, Geophysical Research Letters, and Advances in Water Resources, among others. His service to the scientific community includes being an associate editor of



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