Primary Valuation of Coastal Flood Impact to Fish Farming in Brebes, Central Java

Abstract

High tide event has been recognized in most of coastal area especially in urban region. Meanwhile, there is still limited interest on tidal flood impact on non-urban area including fish farming in developing region. This study aims to identify coastal flood due to high tide event in Brebes, Central Java and its impact on fish farming area. Here we local information from in-depth interview to local group of fish farming and Geographic Information System (GIS) within inputs from national seamless Digital Elevation Model (DEM) data from \\ Geospatial Agency (BIG), and land use data from Google Earth. Additionally, this study also propose local context of coastal flood events on mapping the impact upon fish farming area. This research found that 3,309.53 ha of fish farming area has been flooded in the morning event of and 4,810.32 ha in the afternoon of mangsa peteruan. Meanwhile, in mangsa lanjar, the morning event has submerged around 4,521.72 ha, and 3,703.17 ha for afternoon event. This study depicts beneficial information for coastal zone planning as well as coastal disaster risk management in Indonesia.