| Issue |
MATEC Web Conf.
Volume 192, 2018
The 4th International Conference on Engineering, Applied Sciences and Technology (ICEAST 2018) “Exploring Innovative Solutions for Smart Society”
|
|
|---|---|---|
| Article Number | 02040 | |
| Number of page(s) | 4 | |
| Section | Track 2: Mechanical, Mechatronics and Civil Engineering | |
| DOI | https://doi.org/10.1051/matecconf/201819202040 | |
| Published online | 14 August 2018 | |
Estimating sediment delivery ratio by stream slope and relief ratio
Department of Civil Engineering, National Taipei University of Technology, Taipei, Taiwan
*
Corresponding author : waltchen@ntut.edu.tw
Nowadays, the storage capacity of a reservoir reduced by sediment deposition is a concern of many countries in the world. Therefore, understanding the soil erosion and transportation process is a significant matter, which helps to manage and prevent sediments entering the reservoir. The main objective of this study is to examine the sediments reaching the outlet of a basin by empirical sediment delivery ratio (SDR) equations and the gross soil erosion. The Shihmen reservoir watershed is used as the study area. Because steep terrain is a characteristic feature of the study area, two SDR models that depend on the slope of the mainstream channel and the relief-length ratio of the watershed are chosen. It is found that the Maner (1958) model, which uses the relief-length ratio, is the better model of the two. We believe that this empirical research improves our understanding of the sediment delivery process occurring in the study area.
© The Authors, published by EDP Sciences, 2018
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