Coupling land use allocation models with raster GIS

Robert G. Cromley and Dean M. Hanink
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Robert G. Cromley: Department of Geography U-148, University of Connecticut, Storrs, CT 06269-2148, USA (e-mail: cromley@uconnvm.uconn.edu; hanink@uconnvm.uconn.edu)
Dean M. Hanink: Department of Geography U-148, University of Connecticut, Storrs, CT 06269-2148, USA (e-mail: cromley@uconnvm.uconn.edu; hanink@uconnvm.uconn.edu)

Journal of Geographical Systems, 1999, vol. 1, issue 2, 137-153

Abstract: Abstract. As geographic information systems (GIS) have moved from information storage and retrieval operations towards more decision support functions, there is a need for more integration of spatial analytical modules that can assist in locational decisions. This paper presents a methodology for coupling land use allocation models with a raster GIS. For raster systems, the integration of any decision module has been limited by the size of raster datasets that may contain hundreds of thousands of pixels. Therefore, decision heuristics have been used rather than exact methods such as mathematical programming models. For the problem of land use allocation, the special structure of the generalized assignment problem is used here to handle large scale datasets. The advantage of the mathematical programming approach is the additional information associated with the dual variables and opportunity costs that can be used in subsequent sensitivity analyses.

Keywords: Key words: Geographic information systems; land use allocation; generalized assignment problem; multiobjective analysis; JEL classification: Q15; Q24; R14; R52 (search for similar items in EconPapers)
Date: 1999
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Citations: View citations in EconPapers (10)

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DOI: 10.1007/s101090050009

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