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Overland flow computation with the characteristics method for a kinematic catchment model

✍ Scribed by J. M. Leu; C. L. Liu

Book ID
104769789
Publisher
Springer Netherlands
Year
1988
Tongue
English
Weight
802 KB
Volume
2
Category
Article
ISSN
0920-4741

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✦ Synopsis

This paper computes the depth profile and hydrograph for an overiand flow on a slope under fixed rainfall intensity. The kinematic wave equation is used as the governing equation and solved by the method of characteristics. The excess rainfall required for the computation is obtained from Horton's infiltration rate equation. Though solutions of this approach are not exact, it has an advantage over the finitedifference numerical technique due to its simplicity. To demonstrate the ability of this approach, examples for depth profile and hydrograph are given for the rising and falling limbs of a storm rainfall.

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