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辛安泉域岩溶水作为长治城市生活及工业用水的重要供水水源,有力地支撑了区域的社会经济发展,对其进行脆弱性评价,对社会发展及岩溶水资源的保护具有重要意义。文章以辛安泉域为例,在RISKE模型的基础上,引入煤矿影响因子C,构建RISKEC模型对辛安泉域岩溶地下水进行脆弱性评价。结果表明:辛安泉域范围内,3%为高脆弱区,25%为中等脆弱区,14%为低脆弱区,58%为极低脆弱区。脆弱性高的区域主要分布在泉源区和河道渗漏段。该结果可为辛安泉域保护规划的制定提供一定依据。
As an important water supply source for urban living and industrial water in Chang’an, karat water in Xuan’an strongly supports the socio-economic development of the region. Vulnerability assessment of the karst water is of great significance to social development and protection of karst water resources. Taking Xin’an spring area as an example, based on the RISKE model, the influence factor C of coal mine is introduced and RISKEC model is constructed to evaluate the vulnerability of karat groundwater in Xin’an spring area. The results show that within the range of Xin’an spring area, 3% is highly vulnerable, 25% is moderately vulnerable, 14% is low and 58% is extremely weak. The areas with high vulnerability are mainly distributed in the source area and the river seepage section. This result can provide a certain basis for the formulation of Xin’an spring area protection plan.