Estimation of peak discharge using a rational method in Kodil Sub-Watershed, Purworejo Regency, Central Java

Sudaryatno, Sudaryatno and Rahardjo, N. and Winanda, Winanda and Saputri, S.Y. (2021) Estimation of peak discharge using a rational method in Kodil Sub-Watershed, Purworejo Regency, Central Java. In: The International Conference on Smart and Innovative Agriculture.

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Abstract

The Kodil Sub-Watershed is one of the areas that has a high potential for flooding in Bogowonto Watershed. Flood disasters can cause significant losses to society, both in terms of physical, social and economic. This causes are need for information on the estimated peak discharge in The Kodil Sub-Watershed. Peak discharge estimation uses the rational method and The Cook Method to measure runoff coefficient or C value. Runoff coefficient using The Cook Method uses physical parameters, i.e land use, slope, drainage density, and infiltration. These parameters are extracted using remote sensing technology and Geographic Information System (GIS). Remote sensing data used for extraction of physical land parameters of Sentinel 2A Imagery and DEM ALOS PALSAR imagery. The results of the processing of peak discharge by the method obtained an estimate of the peak discharge of the Kodil Sub-Watershed of 209,659 m3/second and an average peak discharge of 135,024 m3/second. © Published under licence by IOP Publishing Ltd.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Cited by: 1; Conference name: 2020 International Conference on Smart and Innovative Agriculture, ICoSIA 2020; Conference date: 4 November 2020 through 5 November 2020; Conference code: 168246; All Open Access, Gold Open Access
Uncontrolled Keywords: Agriculture; Floods; Land use; Runoff; Watersheds; Drainage density; Flood disaster; High potential; Physical parameters; Rational methods; Remote sensing data; Remote sensing technology; Runoff coefficients; Remote sensing
Subjects: G Geography. Anthropology. Recreation > G Geography (General)
Divisions: Faculty of Geography > Departemen Geografi Lingkungan
Depositing User: Sri JUNANDI
Date Deposited: 21 Oct 2024 07:21
Last Modified: 21 Oct 2024 07:21
URI: https://ir.lib.ugm.ac.id/id/eprint/5406

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