River sediment VS Sediment Yield

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Mario Fomaca Jr

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Sep 10, 2025, 10:16:21 AMSep 10
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Hello all,
I'm currently working on calibrating the sediment component of my model. The SWAT+ Toolbox lists two sediment outputs: River Sediment and Sediment Yield.
What is the difference between them? I couldn't find any explanation in the SWAT+ documentation.

Also, what is the source of these two variables in the Toolbox? I compared both exported monthly outputs with the columns SED_IN and SED_OUT from the channel_sdmorph_mon.txt file, but they don't match exactly. They're slightly different, although quite similar.

Can anyone help clarify this?


Thanks


Mario

Celray James

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Sep 17, 2025, 3:43:23 PMSep 17
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You can find where SWAT+ Toolbox is getting the results in the file:

...\SWATPlus\SWATPlusToolbox\assets\config\extraction\extraction.csv

Mario Fomaca Jr

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Sep 18, 2025, 12:14:40 PMSep 18
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Got it!
Thank you!

Do you the difference between sed_out from channel_sd_mon e sed_out from channel_mon_sdmorph?
Documentation says sed_out from channel_sd_mon is 'Sediment leaving the channel(tons)' and sed_out from morphology file is 'Sediment outflow (tons)'. But their values are vary similar.

Mario

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