In some regions, agriculture drainage water has no place but dumping at the seas or oceans. These low quality water may negatively affect coasts, water and its environment. Recharging such water may add many positive impacts.

Groundwater recharge was the primary contributor to the

growth of fresh groundwater in the large concentrated beach

nourishment. An accurate estimation of the actual soil evaporation

– besides meteorological measurements – will likely

be important for the determination of the net input of fresh

water in any coastal area.

The incorporation of hydro- and morphodynamics

and accurate estimation of groundwater recharge rate

are essential for a reliable estimate of the growth of fresh

groundwater resources in dynamic coastal environments.