Faktor-Faktor Penyebab Genangan Banjir Di Kelurahan Tuah Madani Kecamatan Tampan

Putra, M. Ivan Ryandy (2022) Faktor-Faktor Penyebab Genangan Banjir Di Kelurahan Tuah Madani Kecamatan Tampan. Other thesis, Universitas Islam Riau.

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Abstract

Tampan District is one of the districts that is vulnerable to flooding and happens in almost all of its villages. The sub-district affected by flood inundation has the highest depth, namely Tuah Madani Village, with inundation heights reaching 0.5-2 meters, which generally occurs in residential areas. There are three points of flood inundation in Tuah Madani Village which occurred in Asta Karya Housing, Panam Regency Housing and Residential Areas of Jl. Chinese reed. Floods that occur are generally caused by land cover factors, rainfall, physiographic influences and poor drainage network systems. This study aims to determine whether there is an influence of each factor on flood inundation that occurs in the sample location of the flood inundation area in Tuah Madani Village. This study uses a qualitative descriptive method to identify the condition of the drainage network system and multiple linear regression analysis to see the influence of factors on flood inundation and test the hypothesis. Based on the results of the analysis that the condition of the drainage network system in Tuah Madani Village is classified as bad based on the distribution map of the drainage network system problem at the point of the flood inundation area experiencing problems such as channels that are clogged with garbage, channels buried by soil sedimentation, channels filled with wild vegetation that hinder the flow of water. The land cover factor, rainfall, drainage system have a significant influence on flood inundation with a Probabilities Value value smaller than the significant level value of 0.05 and Ha is accepted while the physiographic influence factor has no significant effect on flood inundation with a Probabilities Value value greater than 0.05 so Ha rejected and Ho accepted.

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