## 2.14.1. Overview[¶](#overview "Permalink to this headline")
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MOSART is a river transport model designed for applications across local, regional and global scales [(Li et al., 2013b)](https://escomp.github.io/ctsm-docs/versions/master/html/tech_note/References/CLM50_Tech_Note_References.html#lietal2013b). A major purpose of MOSART is to provide freshwater input for the ocean model in coupled Earth System Models. MOSART also provides an effective way of evaluating and diagnosing the soil hydrology simulated by land surface models through direct comparison of the simulated river flow with observations of natural streamflow at gauging stations [(Li et al., 2015a)](https://escomp.github.io/ctsm-docs/versions/master/html/tech_note/References/CLM50_Tech_Note_References.html#lietal2015a). Moreover, MOSART provides a modeling framework for representing riverine transport and transformation of energy and biogeochemical fluxes under both natural and human-influenced conditions ( [(Li et al., 2015b)](https://escomp.github.io/ctsm-docs/versions/master/html/tech_note/References/CLM50_Tech_Note_References.html#lietal2015b).

