Groundwater Chemistry and Quality in Coastal Aquifers

© 2024 by the authors; CC BY-NC-ND license

groundwater; hydrochemistry; human activities; agricultural area; Muling–Xingkai Plain; evolution of hydrochemical characteristics; identification of hydrochemical anomalies; human activities; influence degree; Mahalanobis distance; natural background levels; iodide; ammonium; shallow groundwater; coastal areas; groundwater chemistry; groundwater quality; coastal aquifers; land use; factors; Yangtze River Delta; groundwater; APCS-MLR; contaminant source apportionment; karst groundwater; hydrogeochemistry; stable isotopes; water–rock interaction; coal mining; anthropogenic activities; coastal aquifers; seawater intrusion index; hierarchical cluster analysis; saturation index; ion exchange; GIS techniques; hydrogeochemical characteristics; groundwater quality; Hebei Plain; phreatic aquifer; confined aquifer; fluoride; groundwater; occurrence; factors; Hainan Island; groundwater quality; hydrochemistry; multivariate analysis; water sources; North China Plain; total hardness; TH-rich shallow groundwater; groundwater over-extraction; evaporites dissolution; agricultural areas; Hebei plain; water quality; chemical assessment; groundwater; water quality index; health hazard; n/a