HYDROGEOCHEMICAL CHARACTERISTICS AND SEAWATER INTRUSION OF SHALLOW GROUNDWATER IN MENGKIRAU, KEPULAUAN MERANTI, RIAU, INDONESIA
Shallow groundwater is the primary source of freshwater in coastal areas and small islands, but is highly vulnerable to seawater intrusion. This study aimed to determine the hydrogeochemical characteristics of shallow groundwater and the extent of seawater intrusion in the study area. Groundwater samples from 16 dug we...