Analysis of Flood Hazards and Economic Vulnerability in Productive Land in Bone District

Abstract

Analysis of disaster hazards and vulnerability of the economy are the
two essential components of disaster risk level assessments that
provide an overview of the dangers and threats against potential
losses when a disaster occurs in an area. Flood was a natural event
that routinely occur each year in the Bone Regency in rainy season,
when the events occurred on land or an area that is worth a
productive course would cause economic losses. The purpose of this
research is to find out and analyze the threat of flood hazard areas
and the potential magnitude of dollars of economic losses that will be
caused. Methods used in the analysis to follow general guidelines for
disaster risk assessment set by the BNPB. In the process of analysis
of the danger of flooding on productive land use geographic
information system (GIS)-based spatial data with ease in the analysis
of keruangan as well as tervisualisasi served. The results of this
research show the danger of flood extents reach 95,247 ha. The
potential danger of flooding to occur in Bone Regency categorized
grades are in the area that have a spread of high danger exists in
Sibulue Subdistrict, Cenrana and two Boccoe. The total potential loss
of the rupiah ranged from 9.5 trillion rupiah or reach 31% of the total
GDP Bone Regency with potential losses on productive land
amounted to 3.3 trillion rupiah. The highest loss sector found on
agricultural land amounted to 2.9 trillion rupiah.