RTKLOV模型评价趵突泉泉域岩溶水脆弱性  

Vulnerability Assessment of Karst Ground-water in Baotu Spring Area by Using RTKLOV Model

作　　者：王月圆 邢学睿 张凤娟 邢立亭 窦舒畅 高帅 刘锁柱 WANG Yueyuan;XING Xuerui;ZHANG Fengjuan;XING Liting;DOU Shuchang;GAO Shuai;LIU Suozhu(School of Water Conservancy and Environment,University of Jinan,Jinan 250022,Shandong,China;Shandong Bureau of China Metallurgical Geology Bureau,Jinan 250101,Shandong,China;801 Institute of Hydrogeology and Engineering Geology,Shandong Provincial Bureau of Geology&Mineral Resources(Shandong Provincal Geo-mineral Engineering Exploration Institute),Jinan 250014,Shandong,China)

机构地区：[1]济南大学水利与环境学院,山东济南250022 [2]中国冶金地质总局山东局,山东济南250101 [3]山东省地矿局八〇一水文地质工程地质大队(山东省地矿工程勘察院),山东济南250014

出　　处：《济南大学学报（自然科学版）》2024年第6期680-689,共10页Journal of University of Jinan(Science and Technology)

基　　金：国家自然科学基金项目(42272288,42202294)。

摘　　要：针对不同模型对岩溶地下水脆弱性评价的适应性差的问题,以北方岩溶地区的典型代表济南趵突泉泉域为例,在分析岩溶区水文地质条件的基础上,结合地理信息系统技术,选取降雨入渗系数R、地形坡度T、岩溶网络K、土地利用类型L、上覆岩层厚度O和岩溶水流速V指标构建RTKLOV模型,用于评价岩溶水脆弱性,将评价结果与相关模型进行对比分析。结果表明:RTKLOV模型对岩溶水脆弱性评价适用性好,趵突泉泉城岩溶水脆弱性很低、低、中等、高、很高的面积占比分别为16.1%、14.7%、28.5%、25.4%、15.3%,与研究区实际情况相符;脆弱性指数I d与水样中硝酸盐含量的Pearson相关系数为0.898,相关性好,评价结果准确、可信。Aiming at the problem of poor adaptability of different models to vulnerability assessment of karst ground-water,taking Baotu Spring Area in Jinan City,a typical representative of karst areas in northern China,as an example,based on the analysis of hydrogeological conditions in karst areas,7 indexes of rainfall infiltration coefficient R,topographic slope T,karst network K,land use type L,overlying strata thickness O and karst water velocity V were selected to construct RTKLOV model for evaluating karst water vulnerability combined with geographic information system techno-logy,and the evaluation results were compared and analyzed with the related models.The results show that RTKLOV model is suitable for vulnerability assessment of karst water,and the proportions of area with very low,low,medium,hi gh and high vulnerability of karst ground-water in Baotu Spring Area are 16.1%,14.7%,28.5%,25.4%and 15.3%,respectively,whic h are consistent with the actual situation in the study area.Pearson correlation coefficient between vulnerability index I d and nitrate content in water samples is 0.898,indicating a good correlation,and the evaluation results are accurate and reliable.

关 键 词：岩溶地下水 脆弱性评价 趵突泉泉域 

分 类 号：P641.8[天文地球—地质矿产勘探]