Analisis Potensi Kawasan Rawan Banjir Kota Kepanjen Menggunakan Sistem Informasi Geografis (SIG)

PATTIRAJA, Agustinus Haryanto (2018) Analisis Potensi Kawasan Rawan Banjir Kota Kepanjen Menggunakan Sistem Informasi Geografis (SIG). Jurnal Planoearth, 3 (1). pp. 1-6. ISSN 2615-4226

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Abstract

Kepanjen is a city prepared to be the capital city of Malang in which the land use continues to develop and has high rainfall intensity leading to puddle and flood. This research aims to analyze the potential of high flood risk area in Kepanjen by employing Geographic Information System. Based on the Rational Method analysis concept of discharge, the parameter of high flood risk area in this research covered rainfall intensity, slope inclination, soil type, and land cover. The analysis results showed that the area with very vulnerable status under existing condition increased from 3.421 Km2 to 4.54 Km2 due to city development. While the area with vulnerable status under existing condition increased from 40.17 Km2 to 42.01 Km2 due to the development as well. On the other hand, the area considered safe under existing condition decreased from 2.92 Km2 to 0.22 Km2 because of the development performed.

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