中国地质灾害与防治学报2011,Vol.22Issue(4):81-84,4.
黑龙江勃利县地质灾害易发区评价
Zonation of geological hazard prone area in Boli county of Heilongjiang province
徐德兰1
作者信息
- 1. 黑龙江省地质环境监测总站,黑龙江哈尔滨150030
- 折叠
摘要
Abstract
This paper will take Heilongjiang province as an example,give cross-bred quantitative evaluation for the county by comprehensive risk index method of geological disasters.First do mesh dissection on the county administrative zoning map,using grid data processing method,then according to the geology,topography(slope),climate(vegetation coverage) and human engineering activities conditions of each unit,using the space analysis function of MAPGIS,to get its potential geological disasters intensity index and current geological disasters intensity index.By assigning numbers to each and add up them,we could obtain the comprehensive geological hazards risk index of the units,then according to the comprehensivegeological hazards risk index,merge the same cell and mark out the often occurring areas.关键词
地质灾害/易发区/定量划分Key words
geological disasters/cross-bred areas/quantitative zonation分类
天文与地球科学引用本文复制引用
徐德兰..黑龙江勃利县地质灾害易发区评价[J].中国地质灾害与防治学报,2011,22(4):81-84,4.