Identification of flood potential in Rawa Danau, Banten Province based morphometry and satellite image analysis

F. C. Haidiati, R. Syahputra, T. L. Indra

Research output: Contribution to journalConference articlepeer-review

Abstract

The Quaternary Volcanic Rawa Danau, Banten Province has a unique characteristic. Their deformed morphology reflects those unique characteristics. A physical characteristic of deformed morphology is able to describe the morphometry parameters of a subwatershed. It also can be analyzed using the Digital Elevation Model (DEM) obtained from satellite imagery. The lineament of geological structure can be observed from satellite images through their colour, shape, texture, and pattern. Subwatershed characteristic data can be used to calculate the flood discharge using morphometry. Some morphometry parameters can be used are river dimension, an azimuth of river segment, an azimuth of terrain lineament, river length, drainage density, and bifurcation ratio. This research can be used to identify flood potential at Rawa Danau-Banten Province. The result of the research shows that the value of Rb is less than 3, it means all of the subwatershed has deformed. At the Cidano, Ci Kaduan, Ci Bulakbaru, Ci Tawing, Ci Cangkepan, Ci Pasauran, Ci Sangkuy, Ci Carung value of Rb increased so it indicates that the deformation is quite substantial and also potentially flood.

Original languageEnglish
Article number012073
JournalIOP Conference Series: Earth and Environmental Science
Volume538
Issue number1
DOIs
Publication statusPublished - 28 Jul 2020
Event3rd Life and Environmental Sciences Academics Forum, LEAF 2019 - Depok, Indonesia
Duration: 11 Jul 2019 → …

Keywords

  • Deformation
  • flood
  • morphometry
  • rawa danau
  • satelitte image

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