大兴安岭北段地区水文地质区划与分析

Regionalization and Analysis of Hydrogeology in the Northern Part of the Great Khingan Range

大兴安岭北段地区位于我国最北端,是高寒高纬度地区,地区内水文地质情况较为复杂,且研究区处在黑龙江省内蒙古自治区,关于该地区的水文地质分区资料较少。依据水文地质分区方法,按照地形地貌、构造单元和地表水流域可将研究区分为五个一级水文地质类型区,分别是松嫩平原水文地质区、呼伦贝尔高原水文地质区、逊河平原水文地质区、大兴安岭山地水文地质区和小兴安岭山地水文地质区;按照次一级地貌、山丘区蓄水构造、平原区含水层水文地质条件等将研究区进一步划分为20个二级区。通过对该区域的水文地质区划分析,基本反映区域内地下水分布情况,有利于各区域对于地下水资源的开发与利用。

The northern part of the Greater Khingan Range is located in the northernmost part of my country.It is a high-cold and high-latitude area.The hydrogeological conditions in the area are more complicated.The study area is in the Inner Mongolia Autonomous Region of Heilongjiang Province.There are few hydrogeological zoning data in this area.Based on the hydrogeological zoning method,the study can be divided into five first-level hydrogeological areas according to topography,structural units and surface water basins,namely Songnen Plain Hydrogeological Area,Hulun Buir Plateau Hydrogeological Area,and Xunhe Plain Hydrological Area.Geological area,Greater Khingan Range hydrogeological area and Lesser Khingan Mountains hydrogeological area;the study area is further divided into 20 second-level areas according to sub-level geomorphology,water storage structures in hilly areas,and hydrogeological conditions of aquifers in plain areas.Through the analysis of the hydrogeological zoning of the area,it basically reflects the distribution of groundwater in the area,which is beneficial to the development and utilization of groundwater resources in each area.