TY - JOUR
T1 - A rapid flood inundation model in the floodplain area due to an extreme rainfall event
AU - Salsabiela, Indah
AU - Marko, Kuswantoro
AU - Tambunan, Mangapul P.
AU - Zulkarnain, Faris
N1 - Funding Information:
This research is one of the requirements for graduation in the Department of Geography, Faculty of Mathematic and Natural Science, University of Indonesia. The authors would like to thank the Directorate of Research and Community Engagement (DPRM) University Indonesia for the research funding program Publikasi Terindeks Internasional (PUTI) Saintekes in 2020 No. NKB-4876/UN2.RST/HKP.05.00/2020
Publisher Copyright:
© The Authors, published by EDP Sciences.
PY - 2021/11/17
Y1 - 2021/11/17
N2 - Extreme rainfall in East Jakarta on February 19, 2021 caused flooding in a number of subdistricts. The research was conducted in the central part of Kali Sunter, which flows through three subdistricts, namely Cipinang Melayu, Cipinang Muara, and Pondok Bambu. The purpose of the study was to do flood hazard modeling and analyze the characteristics of flood-affected areas based on land use and topography. Inundation and flood hazard maps is done by: calculating the flood discharge using the SCS-CN method, flood inundation modelling using HEC-RAS, and analyzing the characteristics of the inundated area. This combination is effective for rapid modeling during extreme rainfall events. Based on the research, the distribution of the highest flood hazard area is in RW 004 Cipinang Melayu, with the widest inundation affecting small and medium-sized houses. The characteristics of the affected area are that there is green and empty land which reduces the potential for water to inundate buildings or other land uses. Buildings located in low-hazard housing areas tend to be more organized and relatively medium to large in size. While the types of housing in the Cipinang Melayu with a high level of danger tend to be dense and small to medium in size, but the majority have two floors as a form of flood adaptation.
AB - Extreme rainfall in East Jakarta on February 19, 2021 caused flooding in a number of subdistricts. The research was conducted in the central part of Kali Sunter, which flows through three subdistricts, namely Cipinang Melayu, Cipinang Muara, and Pondok Bambu. The purpose of the study was to do flood hazard modeling and analyze the characteristics of flood-affected areas based on land use and topography. Inundation and flood hazard maps is done by: calculating the flood discharge using the SCS-CN method, flood inundation modelling using HEC-RAS, and analyzing the characteristics of the inundated area. This combination is effective for rapid modeling during extreme rainfall events. Based on the research, the distribution of the highest flood hazard area is in RW 004 Cipinang Melayu, with the widest inundation affecting small and medium-sized houses. The characteristics of the affected area are that there is green and empty land which reduces the potential for water to inundate buildings or other land uses. Buildings located in low-hazard housing areas tend to be more organized and relatively medium to large in size. While the types of housing in the Cipinang Melayu with a high level of danger tend to be dense and small to medium in size, but the majority have two floors as a form of flood adaptation.
UR - http://www.scopus.com/inward/record.url?scp=85146794220&partnerID=8YFLogxK
U2 - 10.1051/e3sconf/202132501024
DO - 10.1051/e3sconf/202132501024
M3 - Conference article
AN - SCOPUS:85146794220
SN - 2555-0403
VL - 325
JO - E3S Web of Conferences
JF - E3S Web of Conferences
M1 - 01024
T2 - 2nd Geoscience and Environmental Management Symposium, ICST 2021
Y2 - 7 September 2021 through 8 September 2021
ER -
