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The RVIC streamflow routing model is an expanded version of the routing model originally introduced by \citet{Lohmann_1996}.  RVIC is a semi-distributed, source-to-sink, routing model that solves a linearized version of the Saint-Venant equations.  The model develops impulse response functions (IRFs) to define the time evolution of flow between pairs of source and sink points.  Following the development of the IRFs, a simple convolution is performed combining the IRF for each source to sink pair and the runoff flux from each source point.  RVIC has been configured to run as a stand-alone routing model (e.g. as a post processor of semi-distributed hydrologic models) or coupled within earth system models (e.g. NCAR's Community Earth System Model).    Compared to the original \citet{Lohmann_1996} model, RVIC offers the following improvements: 
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