基于类型特征的天津市地下水功能区划分

Type-character based groundwater functional zoning in Tianjin

以天津市为研究区域,根据天津市地下水资源的分布特点、类型特征、水文地质条件和开发利用状况,结合《全国地下水功能区划分技术大纲》,综合地下水的资源供给功能、生态环境维持功能和地质环境稳定功能,提出了针对天津市地下水类型特征的浅层和深层地下水三级功能区划体系,并按照类型特征对天津市浅层和深层地下水分别进行了功能区划分。本次地下水功能区划分结果与天津市地下水资源分布和实际开采状况基本对应,研究成果可为天津市制定和实施地下水系统的保护方案以及指导地下水资源合理开发利用提供科学依据。

By taking Tianjin as the study area, the third grade functional zoning system of shallow and deep groundwater for the type-character of the groundwater in Tianjin is put forward herein in combination with the＂ National Technical Outline for Groundwater Functional Zoning＂, the integrated groundwater resources supply function, coo-environment maintenance function and geo-environment stabilizing function in accordance with the distribution characteristics, type-character, hydro-geological condition and development and utilization status of the groundwater resources in Tianjin, and then the functional zonings are made on the shallow groundwater and the deep groundwater in Tianjin respectively according to the type-characters con- cerned. The results from the groundwater functional zonings made this time are basically coincided with those from the groundwater resources distribution and the actual exploitation status therein, thus can provide the scientific basis for making and implementing the groundwater system protection scheme and guiding the reasonable development and utilization of the groundwater in Tiaujin as well.