supported by the National Natural Science Foundation of China(Grant Nos.92047202,42272294,91747204);the Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control(Grant No.2023B1212060002);High-level University Special Fund(Grant No.G03050K001)。
Interbasin groundwater flows(IGFs)are movements of groundwater across topographic basin boundaries,which can either contribute to or deplete the water resources of a basin[1].Basins that net-export groundwater beyond ...