YAN Yan, DU Rong-jun, YAN Fang. Application of Spatial Analysis in Susceptibility Regionalization of Geological Disaster in Yaozhou District of Tongchuan City[J]. Bulletin of Soiland Water Conservation, 2010, 29(1): 146-150.
YAN Yan, DU Rong-jun, YAN Fang. Application of Spatial Analysis in Susceptibility Regionalization of Geological Disaster in Yaozhou District of Tongchuan City[J]. Bulletin of Soiland Water Conservation, 2010, 29(1): 146-150.DOI:
In order to make the division of geological disaster susceptibility in Yaozhou District of Tongchuan City
4 most representative townships were chosen and the main influence factors to geological disaster susceptibility were determined.The factors were types of rock and soil mass
physiognomy
annual rainfall
and human engineering activity strength
which were verified using fractal and fractal dimension theory.The relational degrees between each influence factor and susceptibility obtained by the grey relational analysis were taken as the evaluation weights of the MAPGIS spatial analysis.By superposition of different layers
the regionalization map of geological disaster susceptibility was finally completed.Result showed in the map was basically consistent with real situation.