Use of index overlay model in the production of groundwater potential map in Kota Kinabalu, Sabah through the Geographic Information System (GIS) method | |
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( Volume 1 Issue 5,November 2015 ) OPEN ACCESS | |
Author(s): | |
Zulherry Isnain | |
Abstract: | |
Kota Kinabalu is a very fast growing area in the state of Sabah, Malaysia. This enables the rapid development of existing water sources will be more susceptible to contamination and leading to lack of clean water for domestic consumption. This study was conducted with the aim of to generate groundwater potential map of the study area. Geographic Information System (GIS) method were used in this study. There are eleven parameters used in this study, namely rainfall, drainage, soil type, landuse, lithology, lineament density, topography, slope steepness, the ratio of sand and clay, major fault zones and syncline zone. All parameters are combined using index overlay model to produce the groundwater potential map of the study area. This study includes five stages, namely collection and preparation of basic data, data analysis, development of space database, spatial analysis and space integration. The final map of groundwater potential zones in the study area is divided into five classes, which are very low, low, moderate, high and very high. |
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