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Hydrology and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 21, issue 9
Hydrol. Earth Syst. Sci., 21, 4959–4972, 2017
https://doi.org/10.5194/hess-21-4959-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Hydrol. Earth Syst. Sci., 21, 4959–4972, 2017
https://doi.org/10.5194/hess-21-4959-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 29 Sep 2017

Research article | 29 Sep 2017

Consistent initial conditions for the Saint-Venant equations in river network modeling

Cheng-Wei Yu et al.

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Cited articles

Abbott, M., Bathurst, J., Cunge, J., O'connell, P., and Rasmussen, J.: An introduction to the European Hydrological System – Systeme Hydrologique Europeen, “SHE”, 2: Structure of a physically-based, distributed modelling system, J. Hydrol., 87, 61–77, 1986.
Ajami, H., McCabe, M. F., Evans, J. P., and Stisen, S.: Assessing the impact of model spin-up on surface water-groundwater interactions using an integrated hydrologic model, Water Resour. Res., 50, 2636–2656, https://doi.org/10.1002/2013WR014258, 2014.
Beighley, R., Eggert, K., Dunne, T., He, Y., Gummadi, V., and Verdin, K.: Simulating hydrologic and hydraulic processes throughout the Amazon River Basin, Hydrol. Proc., 23, 1221–1235, 2009.
Caleffi, V., Valiani, A., and Zanni, A.: Finite volume method for simulating extreme flood events in natural channels, J. Hydraul. Res., 41, 167–177, 2003.
Chau, K. W. and Lee, J. H.: Mathematical modelling of Shing Mun River network, Adv. Water Resour., 14, 106–112, 1991.
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This research proposes a new method for determining efficient and effective synthetic initial conditions for an unsteady model using the Saint-Venant equations for a large river network. The proposed method increases the efficiency of initial condition convergence up to 3700 times. This can not only help the hydrology research move from empirically based to mechanistic-based models for large river networks but also provide a computationally effective approach for initial conditions for modelers.
This research proposes a new method for determining efficient and effective synthetic initial...
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