This session will provide an overview of aerial photography and satellite imagery as sources of data for a geographic information system. We will discuss types of imagery including advantages and disadvantages, acquisition issues, data conversion, and information derivation.
Stephen J. Ventura is a Professor of Environmental Studies and Soil Science at University of Wisconsin-Madison. He is Chair of the Department of Soil Science, Principal Investigator of the Consortium for Rural Geospatial Innovations (RGIS), and Director of the Land Information and Computer Graphics Facility, a geographic information system (GIS) research and technology transfer laboratory. Research interests include the implementation of multi-purpose land information systems, GIS and related information technologies for land use planning and management, and land records modernization. He has also worked on applications of GIS in environmental and resource management models such as non-point source pollution, groundwater contamination, precision agriculture, vegetation mapping, habitat evaluation, and invasion of exotic species.