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Upscaling surface flow equations depending upon data availability at different scales

Access

info:eu-repo/semantics/closedAccess

Date

2003

Author

Tayfur, G

Metadata

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Abstract

St. Venant equations, which are used to model sheet flows, are point-scale, depth-averaged equations, requiring data on model parameters at a very fine scale. When data are available at the scale of a hillslope transect, the point equations need to be upscaled to conserve the mass and momentum at that scale, Hillslope-scale upscaled model must be developed if data are available at that scale. The performance of the three models applied to simulate flows from non-rilled surfaces revealed that the hillslope-scale upscaled model performs as good as the point-scale model though it uses far less data. The transectionally-upscaled model slightly underestimates the observed data.

Source

Integrated Technologies For Environmental Monitoring And Information Production

Volume

23

URI

https://hdl.handle.net/11147/10774

Collections

  • WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection [4803]



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