Articles | Volume 21, issue 9
Hydrol. Earth Syst. Sci., 21, 4959–4972, 2017
https://doi.org/10.5194/hess-21-4959-2017
Hydrol. Earth Syst. Sci., 21, 4959–4972, 2017
https://doi.org/10.5194/hess-21-4959-2017
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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Short summary
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.