Satellite Image Analysis Approach for Identifying Flood Impacts in DKI Jakarta
Journal Title: Engineering and Technology Journal - Year 2024, Vol 9, Issue 04
Abstract
Jakarta, as the capital city of Indonesia, is one of the major cities in the world that is inevitably affected by disasters resulting from climate change. The topographical characteristics of Jakarta, situated in a low-lying area, make it susceptible to floods during the rainy season. In 2020, Jakarta experienced a rainfall of 377 mm/day, marking the highest precipitation during the period of 1866 to 2020. To mitigate the impact of flood disasters, the availability of flood distribution data is crucial. The process of identifying flood distribution utilizes Sentinel-1 radar satellite imagery with the Normalized Difference Sigma-Naught Index (NDSI) method. NDSI is sensitive to open water bodies due to changes in land surface properties during floods. Based on NDSI analysis, the flood distribution in DKI Jakarta was identified on January 2, 2020, covering 17,38% of the total area of DKI Jakarta, which is 661,52 km2.
Authors and Affiliations
Mohamad Mahfudz, Bambang Riadi, Rian Nurtyaman, Prasetyo Putro Utomo,
Keywords
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