| Issue |
E3S Web of Conf.
Volume 415, 2023
8th International Conference on Debris Flow Hazard Mitigation (DFHM8)
|
|
|---|---|---|
| Article Number | 02020 | |
| Number of page(s) | 4 | |
| Section | Experiments and Modeling | |
| DOI | https://doi.org/10.1051/e3sconf/202341502020 | |
| Published online | 18 August 2023 | |
Development of an open source Debris Flow Simulator for “Sabo” (DFSS)
1 Public Works Research Institute, Volcano and Debris flow Team, 1-6 Minamihara, Tsukuba City, Ibaraki Prefecture, Japan
2 Nippon Koei Co., Ltd., Land Infrastructure Development Operations, 5-4 Kojimachi, Chiyoda-ku, Tokyo, 102-8539, Japan
* Corresponding author: t-shimizu@pwri.go.jp
We report the development of an open source “Debris Flow Simulator for Sabo” (DFSS). DFSS consists of three models corresponding to three geomorphological regions (mountain hillside slopes, mountain-to-plain river channels, and lower plains). A 2D rainfall-runoff (RR) model is adopted mainly for hillside slopes; a 1D debris flow runoff (DR) model is used for the river channel; and a 2D debris flow flooding or inundation (DF) model is adopted for the lower plains. These models are weakly coupled such that one can modify the overall model to fit diverse problems. In this article, we provide a detailed introduction to the models comprising DFSS, and demonstrate its utility.
© The Authors, published by EDP Sciences, 2023
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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