| Issue |
MATEC Web Conf.
Volume 270, 2019
The 2nd Conference for Civil Engineering Research Networks (ConCERN-2 2018)
|
|
|---|---|---|
| Article Number | 04003 | |
| Number of page(s) | 7 | |
| Section | Water Resources Engineering and Management | |
| DOI | https://doi.org/10.1051/matecconf/201927004003 | |
| Published online | 22 February 2019 | |
Effect of extreme rain and land covering change in Jatihandap on 20 March 2018 flash flood
1
Water Resources Engineering Research Group, Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung, Bandung, Indonesia
2
Study Program of Water Resources Management, Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung, Bandung, Indonesia
3
Study Program of Meteorology, Faculty of Earth Sciences and Technology, Institut Teknologi Bandung, Bandung, Indonesia
4
Study Program of Infrastructure Engineering and Management, Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung, Bandung, Indonesia
* Corresponding author: agungwhs59@gmail.com
Flash flood occurred on March 20, 2018, in Jatihandap, Bandung City, West Java due to the overflow of Cipamokolan River. This has caused considerable losses, especially for people living in the area. The flood occurred due to high rainfall intensity and inadequate land covering, especially in the upstream area (North Bandung Region) where the area is filled with housing, villas, and open land. Consequently, the water catchment area decreases. The objective of this study is to identify flood discharge that occurs due to high rainfall intensity and land covering. Flood discharge is calculated using a rational method. Based on BMKG data, rain intensity on March 20, 2018, is 45 mm/hour. The results of this study show that with this intensity, the Cipamokolan River flow brings water with sediment and debris waste. The discharge of the river is 207 m3/s. It equals to 2.2 times river basin discharge and causing water to overflow into the land around the river. The debris flow also damage the levees in Jatihandap then it caused flash floods.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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