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EXPECTED GROUNDWATER DEVELOPMENT AND WATER SECURITY IN DEFICIT SMALL TOURISM ISLAND
Author(s)
Date Issued
January 1, 2026
Type
Article
Abstract
The lack of freshwater resources on small tourism islands causes a critical issue with direct effects for the quality of life within local communities and the long-term sustainability of tourism activities. This problem is particularly worsened in regions lacking centralized community water supply systems, where groundwater serves as a crucial source of water for domestic consumption. This study aims to assess the feasibility of developing groundwater resources for establishing a community water supply system on small tourism islands. The research employed a mathematical groundwater model using the MODFLOW program to simulate groundwater flow and analyze the zone budget, based on head contour data and land use patterns in the study area. The results revealed that the most suitable location for groundwater development is the lowland community area, which functions as a discharge zone with high potential for groundwater accumulation and circulation. The MODFLOW simulation accurately demonstrated the quantity and flow direction of groundwater, providing valuable insights for planning a sustainable water supply system to enhance long-term water security for small tourism islands.
Citation
International Journal of Geomate, 30(137), 123-130, 2026