Landscape Planning for Tsunami Disasters Mitigation on Denpasar Coastal Zone

Abstract

The coastal area is a land-sea transition area and has unique characteristics. This area can also be vulnerable, especially if it is directly related to an area with an epicenter that can cause a tsunami. The coastal areas of South Denpasar, Bali are vulnerable to this disaster. The purpose of this study is to characterize landscape plans and landscape-based mitigation plans for the South Denpasar region. The survey method used in this survey is the METLAND method (Metropolitan landscape planning model survey). The research phase includes four phases: preparation phase, analysis phase, integration phase, and landscape planning phase. The planning characteristics of the tsunami mitigation landscape were analyzed using the tsunami vulnerability matrix table. The materials used in this study were Landsat 9 satellite imagery, National Demnas, Batnas, and Indonesia Topographic Map. Denpasar coastal zone based on the results of land use land cover, distance from the river, distance from the coast, elevation, and slope, has a high risk of being affected by the tsunami. The concept of mangrove vegetation needs to be applied, because mangroves have an important role in resisting tsunami waves. In addition, spatial planning and coastal buildings need to be considered in tsunami mitigation.