Assessment of the groundwater vulnerability in Harbin and the vicinity

Using the DRASTIC method,which is widely used around the world,we choose 7 parameters,such as depth to water table,net recharge,aquifer media,vadose zone and other factors,as evaluated index and set up the groundwater vulnerability evaluation system of Harbin area based on geological and hydrological data of the study area.We compile the subarea map of groundwater vulnerability of Harbin.The results indicate that 17.1 percent of the city region are of high vulnerability,which mainly occur along ...