Fixing the calibrated parameters

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fatemeh saedi

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Aug 26, 2025, 10:42:48 PMAug 26
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Hi all,

I am using the SWAT+ Toolbox for autocalibration, but I am having some issues with fixing parameters. For basin-level parameters such as Surlag, I can simply open the file parameters.bsn and manually set the value. However, when I want to adjust parameters like CN2 for all HRUs, I am not sure how to proceed.

For example, a reduction of 20% was identified as the best value for CN2. I ran the SWAT+ Toolbox under the manual calibration option with this setting, but when I checked the cntable.lum file, no changes had been applied to the CN values. Do I need to check a different file to confirm whether the changes were implemented?


Thanks,

Fatemeh

Mario Fomaca Jr

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Sep 1, 2025, 8:36:17 AMSep 1
to SWAT+ Toolbox
Your calibrated parameters are stored in the calibration.cal file for SWAT+. You can find it in the folder of your SWAT+ Toolbox project, typically at a path like:
...\Scenarios\Toolbox\Calibration\calibration.cal
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