Construction of Farmlands Spatial Information for Reasonable Adjustment of Farmland Use

합리적인 농지이용조정을 위한 농지공간정보구축

  • Chung, Hoi-Hoon (Research Institute for Agriculture and Life Science, Seoul Nat'l Univ.) ;
  • Na, Sang-Il (Dept. of Agricultural and Rural Engineering, Chungbuk National University) ;
  • Lee, Sang-Hyun (Graduate School, Seoul Nat'l Univ.) ;
  • Choi, Jin-Yong (Dept. of Landscape Architecture and Rural Systems Engineering and Research Institute for Agriculture and Life Science, Seoul Nat'l Univ.)
  • 정회훈 (서울대학교 농업생명과학연구원) ;
  • 나상일 (충북대학교 농업생명환경대학 지역건설공학과) ;
  • 이상현 (서울대학교 대학원) ;
  • 최진용 (서울대학교 조경지역시스템공학부 농업생명과학연구원)
  • Published : 2009.12.30

Abstract

Farmland spatial data are needed as a basic information in conducting rational use of farmlands in regional scale. This study develops a method that can be used to make up such farmland spatial data in a simple way and to develop a technique to manage them in a unitary way, and examines the effectiveness of the technique by applying it to the case area. A method that Web-Service Raster Image and Digital Cadastal Map can be utilized as a base map was devised. It was designed applying the vector system, in which one lot of farmland is area unit. Raster image and field survey data were combined to increase the accuracy of data. The lot boundaries of the existing boundary map were adjusted to the shapes of actual farmlands using GIS edition function. A proper farmland use classification system to the area characteristics was established and data obtained from the field survey were coded. Usually it is very difficult to identify the size of one lot of actual farmland in the existing space data, based on the results of the case study, the result map showed actual topography very realistically. Also the frequently occurring lot divisions and the serious topographical modifications by natural disasters frequently have made it impossible to survey farmlands on the catastral map in the field. But the final map had a great usefulness in that it may solve such problems by expressing the filed survey results graphically.

Keywords

References

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