2012•Hubei nongye kexueRequires access

Analysis and Evaluation on Comprehensive Land Suitability in the Mountainous City Based on Grids

Shen Hong-xing

Abstract

2010 CBERS-02B Remote Sensing(RS) image of Liupanshui in Guizhou province was used to interpret land use information to analyzed and evaluated comprehensive suitability of land use by GIS spatial analysis based on raster and construct comprehensive evaluation model of land use suitability,which was then used to evaluate land suitability using 30 m×30 m grid as the evaluation unit.The results showed that land suitable for development in the study area was less,accounting for only 9.26% of the total area.Most land resources in the studied area were suitable for protection;and because of affecting by topographic factors,they were not suitable for large-scale development and gathering large number of people.

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Key concepts: Raster graphics, Scale (ratio), Remote sensing, Grid, Land use, Suitability analysis, Unit (ring theory), Environmental science