娘子关泉域岩溶水脆弱性模糊综合评价

地下水脆弱性评价是区域地下水资源管理和保护的重要手段之一,针对娘子关泉域岩溶水的特殊性,基于欧洲脆弱性评价方法,选择包气带厚度、入渗补给量、包气带岩性、岩溶含水层的导水性能(泉水响应)四个因子,采用模糊综合评价法评价地下水脆弱性,并且绘制地下水脆弱性分区图。评价结果表明,极易污染区主要分布在娘子关泉群出露的地区,即泉源处;极难污染区主要分布在盂县—阳泉—平定—昔阳—和顺一带以西地区,寿阳县大部分地区。评价结果在合理制定保护娘子关泉域方面具有一定的参考价值。

Fuzzy Evaluation of Karst Water Vulnerability in Niangziguan Spring Area

Groundwater vulnerability assessment is one of the important means of local groundwater resource management and pro - tection. Because of the particularity of the Niangziguan spring, this study selected the thickness of unsaturated zone, recharge inten - sity, lithology of the unsaturated zone and respone of spring to the basis the European approach. It used fuzzy evaluation method to assess the groundwater vulnerability and produced the vulnerability map. The results show that the easily contaminated area is mainly distributed in the exposed areas of the Niangziguan spring, the extremely difficult to contaminated areas is mainly distributed in the west area of Yuxian-Yangquan-Pingding-Xiyang-Heshun, and some places of Shouyang County. The results has a certain reference value to establish reasonable protection for the Niangziguan Spring.