TY - GEN
T1 - Batu Flash Flood Modeling Using HEC-HMS for Hydrological Prediction
AU - Teguh, Novi Andriany
AU - Savitri, Yang Ratri
AU - Damarnegara, A. A.N.Satria
AU - Maulana, Mahendra Andiek
AU - Margini, Nastasia Festy
AU - Lasminto, Umboro
N1 - Publisher Copyright:
© The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.
PY - 2024
Y1 - 2024
N2 - On November 4th, 2021, there was a hydrometeorological disaster in the form of a flash flood in the Bumiaji District area, Batu City, Malang, East Java. Extreme weather conditions trigger high rainfall due to climate change. When flash floods occur in Batu City, Malang, the results of analysis of satellite imagery and weather radar also show the growth of Cumulonimbus (Cb) clouds, which are intense with a potential distribution of heavy to hefty rainfall in the Batu City area, Malang. In this study, hydrological analysis was carried out using the HEC-HMS model to estimate the magnitude of the flood discharge. The maximum daily rainfall data from the BMKG station closest to the study location is used. The analysis was carried out using spatial data of the seamless digital elevation model (DEM) from the DEM Nasional by observing the flood-affected catchment area. The results of the analysis are the estimated magnitude of flood discharge. The flood discharge in the downstream is 50.6 m3/s for a two-year return period, 60.1 m3/s for a five-year return period, 66.5 m3/s for a ten-year return period, 74.7 m3/s for a 25-year return period, 80.8 m3/s for a 5-year return period, and 86.9 m3/s for 100-year return period. In a future study, it can be used to determine the appropriate channel dimensions and the river’s normalization so that if hefty rainfall occurs again, the impact of the floods can be reduced.
AB - On November 4th, 2021, there was a hydrometeorological disaster in the form of a flash flood in the Bumiaji District area, Batu City, Malang, East Java. Extreme weather conditions trigger high rainfall due to climate change. When flash floods occur in Batu City, Malang, the results of analysis of satellite imagery and weather radar also show the growth of Cumulonimbus (Cb) clouds, which are intense with a potential distribution of heavy to hefty rainfall in the Batu City area, Malang. In this study, hydrological analysis was carried out using the HEC-HMS model to estimate the magnitude of the flood discharge. The maximum daily rainfall data from the BMKG station closest to the study location is used. The analysis was carried out using spatial data of the seamless digital elevation model (DEM) from the DEM Nasional by observing the flood-affected catchment area. The results of the analysis are the estimated magnitude of flood discharge. The flood discharge in the downstream is 50.6 m3/s for a two-year return period, 60.1 m3/s for a five-year return period, 66.5 m3/s for a ten-year return period, 74.7 m3/s for a 25-year return period, 80.8 m3/s for a 5-year return period, and 86.9 m3/s for 100-year return period. In a future study, it can be used to determine the appropriate channel dimensions and the river’s normalization so that if hefty rainfall occurs again, the impact of the floods can be reduced.
KW - Climate change
KW - Flash flood
KW - Hydrological modeling
UR - http://www.scopus.com/inward/record.url?scp=85200366269&partnerID=8YFLogxK
U2 - 10.1007/978-981-97-0751-5_71
DO - 10.1007/978-981-97-0751-5_71
M3 - Conference contribution
AN - SCOPUS:85200366269
SN - 9789819707508
T3 - Lecture Notes in Civil Engineering
SP - 821
EP - 835
BT - Advances in Civil Engineering Materials - Selected Articles from the 7th International Conference on Architecture and Civil Engineering ICACE 2023
A2 - Nia, Elham Maghsoudi
A2 - Awang, Mokhtar
PB - Springer Science and Business Media Deutschland GmbH
T2 - 7th International Conference on Architecture and Civil Engineering, ICACE 2023
Y2 - 15 November 2023 through 15 November 2023
ER -
