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Analysis of Flow through Vegetation
Abstract
The Manning n value is quantitatively evaluated for flow in heavily vegetated channels. Momentum analysis shows that the composite n value as a function of flow depth is dependent on the bottom roughness and the density of vegetation. In some cases, the vegetation density can be evaluated directly from physical measurements of the vegetation. However, in most situations, it must be evaluated indirectly from limited field data. The results show that the n value increases in proportion to two-thirds power of the hydraulic radius for conditions where the vegetation density is a constant over the flow depth. Field application of the flow resistance model are described for projects concerned with flood routing, backwater computations, extension of rating curves, channel improvement work, and erosion control.
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Citations
Cited by
Corenblit, D., Tabacchi, E., Steiger, J., & Gurnell, A. M. (2007) · Earth-Science Reviews · doi:10.1016/j.earscirev.2007.05.004 · Cited by 721
On inducing equations for vegetation resistance
Baptist, M. J., Babovic, V., Rodríguez Uthurburu, J., Keijzer, M., Uittenbogaard, R. E., Mynett, A., & Verwey, A. (2007) · Journal of Hydraulic Research · doi:10.1080/00221686.2007.9521778 · Cited by 484
Flow resistance of flexible and stiff vegetation: a flume study with natural plants
Järvelä, J. (2002) · Journal of Hydrology · doi:10.1016/s0022-1694(02)00193-2 · Cited by 406
Drag force due to vegetation in mangrove swamps
Mazda, Y., Wolanski, E., King, B., Sase, A., Ohtsuka, D., & Magi, M. (1997) · Mangroves and Salt Marshes · doi:10.1023/a:1009949411068 · Cited by 345
Metadata
- Authors
- Petryk, S., & Bosmajian, G.
- Venue
- Journal of the Hydraulics Division
- Published
- 1975-07
- Volume
- 101
- Issue
- 7
- Pages
- 871-884
- ISSN
- 0044-796X (ISSN-L)
- 2690-2524
- OpenAlex
- W2156925235
- Cited by
- 402
- References
- 0
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Analysis of Flow through Vegetation. https://app.cochat.ai/papers/10.1061/jyceaj.0004397
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- Petryk, S., & Bosmajian, G. (1975). Analysis of Flow through Vegetation. Journal of the Hydraulics Division. https://doi.org/10.1061/jyceaj.0004397
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