陇东盆地白垩系含水层水文地质参数求解  

Solution of hydrogeological parameters of the Cretaceous aquifers in Longdong basin

作　　者：刘心彪 张永军 

机构地区：[1]甘肃省地质环境监测院,甘肃兰州730050

出　　处：《煤田地质与勘探》2014年第1期35-39,共5页Coal Geology & Exploration

基　　金：中国地质调查局地质调查项目(1212010813099)

摘　　要：陇东盆地水资源短缺,严重制约着经济发展,近年来探明白垩系洛河组地层赋存巨厚深层地下淡水。含水层水文地质参数的求解是深层地下水资源评价的关键,用抽水试验确定深层承压含水层水文地质参数是水文地质勘查研究的一项重要的内容。根据单孔、多孔、干扰抽水试验资料,采用稳定流、非稳定流多种方法求解陇东盆地深层含水层水文地质参数,避免了单一方法的偶然性、随意性,计算结果可信。最后探讨了抽水试验场地水文地质条件与所选取公式理论条件的差异对计算结果的影响。Water resource shortage is seriously restricting the economic development in Longdong basin, but since recent years, exploration has proved very thick underground fresh water in Cretaceous Luohe Formation. It is the key to solve the hydrogeological parameters for assessment of deep groundwater resources. Pumping test used to determine the aquifer hydrogeological parameters constitutes the important content in hydrogeological investiga-tion. According to pumping test data of single well, multiple wells and interference well, various methods for steady and unsteady flow have been adopted to solve the hydrogeological parameters of aquifer, avoiding contin-gency, randomness of a single method, and the calculation results are reliable. Finally, the paper discussed the in-fluence of the difference of hydrogeological conditions at pumping test site and the theoretic conditions of the se-lected formula on the calculation results.

关 键 词：典型勘查区 抽水试验 水文地质参数 

分 类 号：P641.1[天文地球—地质矿产勘探]