Identification of flood vulnerable zones in Batu Ampar Village, Balikpapan City using Geographical Information System Methods

Abstract

Balikpapan is one of the cities that is vulnerable to flooding. One of the areas that often experience flood problems is Batu Ampar Village, in which some of its areas are basin areas so that it is vulnerable to flooding. Batu Ampar Village is a trade and service center, as well as a regional education center. The threat of flooding will greatly affect the sustain of the economic aspects. The purpose of this study is to find the vulnerable flood zones in Batu Ampar Village. The method used in this study is to use the Weighted Product method for the parameters used. Then making overlay maps will be using the ArcGIS 10.2.1 software. The overlay results will show the classify of vulnerable flood zones in Batu Ampar Village. This research has resulted in four classifications of vulnerable flood levels in Batu Ampat village. They are not vulnerable, less vulnerable, vulnerable, and very vulnerable. Highly vulnerable areas that describe frequent floods have a weighting value of more than 37 with an area of 1.32 km2. The vulnerable flood areas were located in Km. 4 (RT 41); Social housing (RT 28 and RT 48) was based on a field survey.