Changes of the quality of groundwater in the basin of Hat Yai Songkhla Lake area to learn the severity of the encroachments of the salt water from the Songkhla Lake into the groundwater in the current layer.
The quality of groundwater in the basin area of Hat Yai, Songkhla Lake. To determine the severity of the encroachment of salt water from the lake into the aquifers present.
Changes of the quality of groundwater in Hat Yai basin basin area To investigate the violence of invasion of salt water from the basin into the layer groundwater at present.