| Issue |
MATEC Web Conf.
Volume 101, 2017
Sriwijaya International Conference on Engineering, Science and Technology (SICEST 2016)
|
|
|---|---|---|
| Article Number | 05015 | |
| Number of page(s) | 5 | |
| Section | Green Constructions | |
| DOI | https://doi.org/10.1051/matecconf/201710105015 | |
| Published online | 09 March 2017 | |
Hydrologic modelling using TRMM-based rainfall products for flood analysis
Civil Engineering Department, University of Riau, 28293 Pekanbaru, Indonesia
* Corresponding author: ssutiknoyk@yahoo.com
The low resolution and the limitation of data are the main problems for flood analysis, so that the flood prediction often becomes inaccurate. This led to the decision policy for flood disaster mitigation often becomes ineffective. Currently the available of satellite-estimated rainfall data is gradually becoming a cost-effective source of input for flood prediction under a variety of circumstances. This study developed a hydrologic modelling using Tropical Rainfall Measuring Mission (TRMM) satellites data and IFAS (Integrated Flood Analysis System) tool for flood analysis. Upper Rokan watershed with the AWLR (Automatic Water Level Recorder) station of Lubuk Bendahara and Pasir Pangaraian in Riau Province were picked up as study area of this research. The study areas are located in Rokan Hulu regency which is the most vulnerable regency against flood disaster in Riau Province. The results show that the hydrologic modelling using satellite data can be used as an alternative for flood analysis in the area with limited ground data. The flood discharge prediction shows an acceptable error with the ground measurement data. The wave shape error, the volume error, and the peak discharge error for Lubuk Bendahara station are 9.58%, 17.28%, and 10.81%, and for Pasir Pangaraian station are 33.62%, 8.60% and 5.88% respectively.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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