基于正态云模型的地下水资源脆弱性评估

针对现有地下水资源脆弱性评价方法存在的效率低问题，采用正态云模型实现评价方法的优化设计。将脆弱性分为5个等级，设置各个等级的划分标准。从固有脆弱性和特殊脆弱性2个方面，分析水资源脆弱性的影响因素。构建地下水资源脆弱性评价指标体系，标注各个指标的性质。通过正态云模型的构建与应用，计算评价指标的具体取值。脆弱性评价指标经标准化处理后，综合考虑客观和主观因素，求解评价指标权重，得出地下水资源脆弱性的评价结果。通过实例应用分析得出，通过正态云模型应用，地下水资源脆弱区面积的评价误差明显降低了0.38 km²,有效提升了评价效率，说明正态云模型在地下水资源脆弱性评价中具有较高的应用价值。

Vulnerability assessment of groundwater resources based on normal cloud model

Aiming at the low efficiency of existing groundwater resources vulnerability evaluation methods，the normal cloud model is used to realize the optimization design of the evaluation method.The vulnerability is divided into five levels，and the classification criteria of each level are set.The influencing factors of water resources vulnerability are analyzed from two aspects of inherent vulnerability and special vulnerability.The vulnerability evaluation index system of groundwater resources is constructed，and the nature of each index is marked.Through the construction and application of normal cloud model，the specific value of evaluation index is calculated.After the vulnerability evaluation index is standardized，the objective and subjective factors are comprehensively considered，the weight of the evaluation index is solved，and finally the evaluation result of groundwater resources vulnerability is obtained.Through the example application analysis，it is concluded that through the application of normal cloud model，the evaluation error of groundwater resource vulnerability area is significantly reduced by 0.38 km2，which effectively improves the evaluation efficiency，indicating that the normal cloud model has a high application value in groundwater resource vulnerability evaluation.