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地质论评  2001 

中国北方岩溶区优势面控水机理及优势参数的确定与应用

Keywords: 优势面控水机理优势参数数值模拟岩溶中国北方地区地下水

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Abstract:

在地下水数值模拟过程中,由于介质的空间变异性大,水文地质参数的优分工至今仍是一个重要而又难以解决的问题,本文将非饱和带土壤中的优势流概念推广到岩溶裂隙介质中,系统地分析了形成优势流的优势结构面控水机理,结合中国北方岩溶特征提出了实际工作中优势参数分方法,并依据有限元方法进一步求解,实例计算表明:利用优势面分析方法可以确定参数最优分区,所计算结果与实际情况基本一致,该结论对地下水流数值模拟参数的识别提供一种新的途径,同时对中国北方岩溶区地下水优势流的研究地以及地下水资源的科学评价等具有重要的参考价值。

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