China Institute of Geo-Environment Monitoring;
China Geological Survey;
Beijing 100081;
China;
State Key Laboratory of Biogeology and Environmental Geology and MOE Key Laboratory of Groundwater Circulation and Environmental Evolution;
School of Water Resources and Environment;
China University of Geosciences(Beijing);
Beijing 100083;
China;
Xi’an Center;
China Geological Survey;
Xi’an 710054;
China;
Groundwater; Global climate change; Hydrochemistry; Groundwater circulation Groundwater age; Groundwater level rising; Geological survey engineering; Qaidam Basin; Delingha; Qinghai-Tibet Plateau;