Journal
ENVIRONMENTAL GEOLOGY
Volume 44, Issue 6, Pages 654-664Publisher
SPRINGER-VERLAG
DOI: 10.1007/s00254-003-0803-4
Keywords
DRASTIC; GIS; waste disposal site; groundwater vulnerability; Korea
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As a systematic approach to waste disposal site screening for groundwater pollution protection, the DRASTIC system developed by the US Environmental Protection Agency (USEPA), was introduced at Younggwang County in Korea. Hydrogeological spatial databases for the system include information on depth to water, net recharge, aquifer media, soil media, topographic slope, hydraulic conductivity and lineament. Using the databases, the DRASTIC system and a GIS, the regional groundwater pollution vulnerability of the study area was assessed. The fracture density extracted from lineament maps was added to the DRASTIC system to take into account the preferential migration of contaminants through fractures. From the results of the study, a degree of groundwater pollution vulnerability through the study area was easily interpreted, and waste disposal sites could be screened for groundwater protection.
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