Martha C Anderson Editor

Brian D. Wardlow is an assistant professor and GIScience program area leader for the National Drought Mitigation Center (NDMC) in the School of Natural Resources at the University of Nebraska–Lincoln. For more information, visit the National Drought Mitigation Center web site at the University of Nebraska–Lincoln.

Martha C. Anderson is a physical scientist in the Hydrology and Remote Sensing Laboratory of the U.S. Department of Agriculture’s (USDA) Agricultural Research Service in Beltsville, Maryland. For more information, visit Dr. Anderson’s web page at USDA ARS.

James P. Verdin is a physical scientist with the U.S. Geological Survey (USGS), Earth Resources Observation and Science (EROS) Center, Early Warning and Environmental Monitoring (EWEM) Program. For more information, visit the EWEM web site.