Author:
Kausarian Husnul,Suryadi Adi,Susilo ,Batara ,Sumantyo Josaphat Tetuko Sri
Abstract
Abstract
Pekanbaru City, Riau Province, Indonesia is located at coordinates 0°25′29.20″-0°39′15.22″ N and 101°20′43.39″- 101°34′25.60″ E. This research aims to study the common causes of flooding in Pekanbaru city which has a good geological condition. This study uses two types of data as primary and secondary data in the form of geomorphological, geological, rainfall and land use data with a geographic information system (GIS) analysis that can help spatial analysis to determine the level of flood disaster vulnerability with visual mapping models. The geomorphological analysis shows 2 types of geomorphological units found: low-land denudational and low-land structural with river flow pattern consisting of dendritic, sub-dendritic and parallel. Rainfall is quite high in 2018 with 2621.5 mm and caused flood-prone areas which are divided into 3 categories: Non vulnerable area (64.575%), Medium Vulnerable area (23,386%) and Vulnerable area (12,039%) from the entire of the research area.
Subject
General Physics and Astronomy
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