Rain water penetrating to the groundwater aquifer Gotjawal Forest



gotjawal forest pond


46% of rainwater falling on jeju island in gotjawal forest s areas permeates through lava , soil groundwater s aquifers, via lava structures such lava tubes, skylights, clinkers, , cracks; structures typically found in ʻaʻā lava. highest rainwater percolation , groundwater recharge rate in south korea.


the gotjawal forest s canopies diffusing raindrops , surface plant litter reducing runoff , increasing initial absorption contribute high groundwater absorption rate of rainwater . there few rivers on forested west or east of island because rainwater drawn directly groundwater. comparison north , south of jeju island has many small rivers.








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