INTEGRATED APPROACH FOR IDENTIFICATION OF GROUNDWATER POTENTIAL ZONE IN HARD ROCK TERRAIN

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Year:
2017
Type of Publication:
Article
Keywords:
Remote sensing, GIS, groundwater, lineament
Authors:
Mohd Idham Bin Mansor, Roziah Che Musa Nurul Nadia Abd Malek
Abstract:
El Nino phenomenon in Malaysia prolonged dry seasons resulted the decrease of surface water resources.As an option, groundwater has been identified as an alternative to reduce the impact of the water shortage.The immediate of groundwater potential zone need to be identified. The advantages of Remote sensing and Geographical Information System (GIS) technology is proven to identify groundwater potential zone more accurate, faster and cost effective as compared to conventional method. Geologic feature such as lineament which related to occurrence of groundwater can be visually extracted from remote sensing images. The aim of this study is to identify the groundwater potential zone in hard rock terrain using remote sensing and GIS. The study area was selected in the state of Negeri Sembilan, Malaysia. Multi sensors remote sensing, Landsat-8 and SPOT 6/7 images were used to extract land use and geological information and analysed through GIS environment to produce groundwater potential zone. The groundwater potential map was compared with boreholes data, the results shows the yield of boreholes were match with groundwater zone. The groundwater potential map was categorised into three zone namely high, moderate and low based on the possibility of groundwater aquifer. As a result, 22% of the study area was categorised as high, 23% moderate and 55% low potential zone.
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