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U. S. Geological Survey (USGS)/AMES Research Center
Chief, Geo/Cartographic Res. Sect.
US Geological Survey
Geographic Information Systems


Leonard J. Gaydos is a geographer with the U.S. Geological Survey where he leads research teams exploring innovative uses of geographic information systems and remote sensing data. Two current programs are Urban Dynamics, an exploration of urban land use change in several metropolitan regions and the Mojave Desert Ecosystem Science program, investigating vulnerability and recoverability of the human-impacted desert landscape. Leonard has been with USGS since 1973 in residence at NASA Ames Research Center in California. Leonard has a Ph.D. in geography from the University of California, Santa Barbara.