> 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/introduction-1/basin-1/parameters.bsn/msk_co2.md).

# msk\_co2

Coefficient to control the impact of the storage time constant for low flow on the overall storage time constant for the channel

Normal flow is defined as the streamflow when the channel is at 0.1\*bankfull depth. This parameter is only important if channel routing is simulated using the Muskingum routing method.