> For the complete documentation index, see [llms.txt](https://swatplus.gitbook.io/io-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://swatplus.gitbook.io/io-docs/theoretical-documentation/section-8-water-bodies/sediment-in-water-bodies/sediment-outflow.md).

# Sediment Outflow

The amount of sediment transported out of the water body on a given day is calculated as a function of the final concentration. The initial suspended solid concentration is:

&#x20;          $$sed\_{flowout}=conc\_{sed,f}\*V\_{flowout}$$                                           8:2.3.1

where $$sed\_{flowout}$$ is the amount of sediment transported out of the water body with outflow (metric tons), $$conc\_{sed,f}$$ is the final sediment concentration in the water body (Mg/m$$^3$$), and $$V\_{flowout}$$ is the volume of outflow from the impoundment (m$$^3$$ H$$\_2$$O).
