Research and Application of the Calculation Method of River Roughness Coefficient with Vegetation
Abstract
:1. Introduction
2. Methods and Materials
2.1. Calculation Method of Roughness Coefficient with Vegetation
2.2. Materials
3. Results
3.1. Model Validation
3.2. Variation of Roughness Coefficient
- (1)
- Emerged vegetation flow
- (2)
- Submerged vegetation flow
4. Practical Applications
4.1. Emerged Vegetation Flow
4.2. Submerged Vegetation Flow
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Researcher | Vegetation Diameter (mm) | Vegetation Height (m) | Volume Fraction (%) | Vegetation Shape | Pattern | Number of Runs |
---|---|---|---|---|---|---|
Shimizu et al. [19] | 1–1.5 | 0.041–0.046 | 0.44–0.79 | Cylinder | Linear | 28 |
Dunn et al. [20] | 6.35 | 0.118 | 0.14–1.23 | Cylinder | Staggered | 12 |
Meijer and van Velzen [21] | 8 | 0.45–1.5 | 0.32–1.29 | Cylinder | Staggered | 48 |
Lopez and Garcia [22] | 6.4 | 0.12 | 0.55–1.24 | Cylinder | Staggered | 8 |
Ghisalberti and Nepf [23] | 6.4 | 0.138 | 1.26–4.02 | Cylinder | Staggered | 11 |
Murphy et al. [24] | 6.4 | 0.07–0.14 | 1.18–3.77 | Cylinder | Random | 24 |
Nezu and Sanjou [25] | 8 | 0.05 | Flat strip | Linear | 9 | |
Yan [26] | 6 | 0.06 | 1.41–5.66 | Cylinder | Linear | 12 |
Yang [27] | 2 | 0.035 | 0.44 | Cylinder | Staggered | 2 |
Cheng [16] | 3.2–8.3 | 0.1 | 0.41–11.9 | Cylinder | Staggered | 23 |
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Chen, Z.; Zhou, J.; Chen, Q. Research and Application of the Calculation Method of River Roughness Coefficient with Vegetation. Water 2023, 15, 2638. https://doi.org/10.3390/w15142638
Chen Z, Zhou J, Chen Q. Research and Application of the Calculation Method of River Roughness Coefficient with Vegetation. Water. 2023; 15(14):2638. https://doi.org/10.3390/w15142638
Chicago/Turabian StyleChen, Zhengbing, Jianyin Zhou, and Qianhai Chen. 2023. "Research and Application of the Calculation Method of River Roughness Coefficient with Vegetation" Water 15, no. 14: 2638. https://doi.org/10.3390/w15142638