Research Article
Rainfall Analysis in Flood Prone Areas in Binjai City
@INPROCEEDINGS{10.4108/eai.24-10-2023.2342379, author={Sarra Rahmadani and Rumilla Harahap and Ahmad Zulfikar and Menna Fadillia}, title={Rainfall Analysis in Flood Prone Areas in Binjai City}, proceedings={Proceedings of the 5th International Conference on Innovation in Education, Science, and Culture, ICIESC 2023, 24 October 2023, Medan, Indonesia}, publisher={EAI}, proceedings_a={ICIESC}, year={2024}, month={1}, keywords={rainfall frequency analysis binjai city}, doi={10.4108/eai.24-10-2023.2342379} }- Sarra Rahmadani
Rumilla Harahap
Ahmad Zulfikar
Menna Fadillia
Year: 2024
Rainfall Analysis in Flood Prone Areas in Binjai City
ICIESC
EAI
DOI: 10.4108/eai.24-10-2023.2342379
Abstract
High rainfall is one of the main factors in flooding, especially if drainage is not functioning optimally, so it is necessary to carry out rainfall analysis to determine the maximum rainfall in an area which can be taken into consideration in drainage planning. The flood-prone areas that will be analyzed are Binjai City, Jalan Soekarno Hatta using the frequency analysis method: normal, log normal, log person III and Gumbel. The analysis uses 18 years of rainfall data with a return period of 50 years. The results obtained were Normal 1017.857 mm, log normal 917.211 mm, log person III 763.160 mm, and Gumbel 1412.4255 mm. From these results, the gumbel method frequency analysis has the most extreme value. For further analysis, a chi square goodness-of-fit test or Smirnov-Kolmogorov test can be carried out to determine which distribution analysis values are suitable to support channel dimension planning in the Soekarno Hatta area.