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本文以崆峒区地质灾害易发性为研究对象,以地质灾害调查资料为基础,基于MAPGIS6.7平台采用袭扰系数法生成历史地质灾害易发性区划图;选取地形地貌、坡度、地层岩性、多年降雨、植被覆盖5个地质灾害影响因子对其进行灾害影响分级并确定其灾害易发性影响权重,将各个影响因子分级图叠加到历史地质灾害易发性区划分级图中,绘制出该县的地质灾害易发性散点图,对图件进行整理从而生成崆峒区地质灾害易发性分区图。从图中能很好地看出崆峒区地质灾害的分布及特点,为政府部门采取有效的措施进行统筹规划减灾防灾以及地质灾害治理提供了可靠依据。
Based on the investigation data of geological disasters, based on the MAPGIS6.7 platform, the harassment coefficient method was used to generate the zoning map of the historical geological disasters. The topography, slope, stratigraphic lithology , Multi-year rainfall and vegetation cover five geological disasters impact factors to classify their disaster impact and determine their disaster susceptibility weight, the various impact factor graded chart superimposed to the historical geological disaster susceptibility zoning map, draw the County of geological disasters prone to scatter plot, the map is sorted to generate Kuyi District geological disasters zoning map. It can be seen from the figure that the distribution and characteristics of the geological disasters in the Langfang District are very good and provide a reliable basis for the government departments to take effective measures to make overall plans for disaster prevention and mitigation and geological disasters management.