Flood Hazard Assessment Based on Analysis of Geomorphic Flood Index and History of Flood Events (Case Study in Kemuning Watershed, Sampang)

P. C. Nugroho, D. Sutjiningsih, L. Kurniawan

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

Abstract

Sampang is one of regency in Madura which always experiences floods every year. The frequency of flood events reach the number of 15 to 18 Sampang regency is divided into 6 watersheds that consist of Kemuning, Nedung, Blega, Samajid, Tambengan, and Tamberu watersheds events annually. From all watersheds, Kemuning watershed has the biggest area and become the priority in management of critical land management due to the impact of floods. The Length of Kemuning watershed is 54.11 kilometres with a watershed area of 354.50 km square consisting of 6 sub-districts, namely Sampang, Omben, Kedungdung, Robata, Torjun, and Camplong. The objective of the paper is to analyse the hazard index in Kemuning watershed, Sampang. The disaster hazard level is divided into 3 classes; low (hazard index <0.333), medium (hazard index: 0.333 - 0.666), high (hazard index> 0.666). The method used is a analysis which combines/overlays parameters of flood-prone areas and History of Flood Events data. The result is a flood hazard map that with details of 3476,18 hectare (51,71%) high level, 2614,37 hectare (38,89%) medium level, 631,61 hectare (9,39%) low level.

Original languageEnglish
Article number012033
JournalIOP Conference Series: Earth and Environmental Science
Volume366
Issue number1
DOIs
Publication statusPublished - 21 Nov 2019
EventInternational Conference on Sustainable Insfrastructure 2018, ICSI 2018 - Yogyakarta, Indonesia
Duration: 29 Oct 201830 Oct 2018

Keywords

  • flood
  • flood hazard
  • geomorphic flood index
  • multi criteria analysis

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