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The Improvements of Land Suitability Assessment for Sustainable Land Use Management through Multi-Criteria Analysis in Korea: Focused on Assessment System 2

This paper provides an appraisal of and proposes improvements to the Korean Land Suitability Assessment (LSA) System; a multi-criteria decision analysis procedure for land use planning that was introduced under the National Land Planning and Utilization Act (2002). This nationwide procedure was designed to protect the natural environment and reduce urban sprawl. It is used to assess the developmental or conservation suitability of land parcels with respect to future use. The purpose of this paper is to evaluate a practical application and theoretical review of the official procedure with respect to sustainable land use management in Korea. This procedure is executed using a GIS-based method of assessment. Based on the results of a case study, problems in the procedure of the LSA, such as unavailability of efficient spatial data and no standardization of data format, were identified. In addition, there are no criteria for specific local indicators that can assess local situations and balanced development between regions, with respect to the entire nation, taken into consideration. Based on the results of the case study, practical and institutional problems are identified. Technical and institutional solutions are also suggested based on the use of local indicators, consistent data models and appropriate spatial units to improve the LSA into a multi-criteria analysis.