Flow routing in a river network is one of the most important parts in the domain of water resources and hydrology. There are different characteristics in the different river networks. The mathematical models adopted to deal with the flow routing have their own advantages respectively. Thus a suitabl
Scaling aspects of river flow routing
β Scribed by Vivek Arora; Frank Seglenieks; Nick Kouwen; Eric Soulis
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 409 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0885-6087
- DOI
- 10.1002/hyp.161
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β¦ Synopsis
Abstract
Scaling aspects of river flow routing are studied by comparing two flow routing schemes, one designed for use in coupled general circulation models (GCMs) and operated at large spatial scales (βΌ350 km), and the other designed for use in typical hydrological applications at small spatial scales (βΌ25 km). The same runoff data are used as input into the two routing schemes, and comparisons are made between mean annual, mean monthly and daily streamflow simulated at four locations within the Mackenzie River Basin. The results suggest that for the purpose of realistically modelling monthly streamflow at the mouth of the rivers in GCMs, flow routing at large spatial scales gives similar results. However, the amplitude of the annual streamflow cycle is slightly but characteristically larger, when routing is performed at large spatial scales. Flow routing at large spatial scales also results in overestimation of high flows, while low flows are underestimated. Copyright Β© 2001 John Wiley & Sons, Ltd.
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