model parmeter change

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melsew amsalu

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Mar 10, 2026, 11:05:41 AM (10 days ago) Mar 10
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Dear SWAT+ community,
I want to change model parameters for a specific HRU, for instance, cn2 for HRU001 or usle_p for HRU001?
Would you suggest it to me, please? 

Abdennabi ALITANE

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Mar 10, 2026, 11:24:39 AM (10 days ago) Mar 10
to melsew amsalu, SWAT+
Dear Melsew,

Yes, it is possible to change model parameters for a specific HRU,

If you are using the SWAT+ Editor, you can do this through the Hard Calibration interface. In the Select Objects to Calibrate section, you can choose the specific HRU from the “Select Objects” list and apply the parameter change only to that HRU.

For example, as shown in the screenshot below, you can select HRU001 in the Select Objects box and then apply the change to the parameter (e.g., CN2) using the desired modification type (such as percentage change).

This allows you to calibrate parameters at the HRU level without affecting other HRUs.

Best regards,

image.png



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