sensitivity analysis

[Asfand Tehseen]

Hello,

I am trying to run a sensitivity analysis. Currently, I am adding almost 35 parameters for sensitivity analysis when I run the analysis monthly evapotranspiration with 100 e.g., 3000 samples it always gives an error. while if I reduce the sample size to 50 or 100 it runs without error.

Moreover, if I run the analysis for river discharge, it gives error if I add specific parameters like bd and z otherwise it runs smoothly even with a large sample size e.g., 3000.

Furthermore, I am choosing the change type as "Replace" for all parameters and parameters applies to "All".

Any suggestions?

Regards,

Asfand

[Celray James]

Can you show a list of parameters you have added and their ranges?

Even better, export your project and send link via https://swatplus.link.

With Kind Regards,
Celray James CHAWANDA

[Asfand Tehseen]

Screenshot for reference

[Celray James]

Some parameters should not be changed by replace (e.g. cn2) and in some cases, the percent change may even lead to invalid parameter value...

Please share with me the data set using https://swatplus.link so I can inspect what is happening...

Thanks

[Asfand Tehseen]

Thank you for getting back to me. My study area is quite large that's why I am unable to share via above-mentioned link. If you can share your email address I can share the project via one drive. Moreover, the list of parameters is attached now to this message.

Best regards,

Asfand

[Celray James]

How large is your Zipped Folder if you remove all output files?

[Asfand Tehseen]

My zipped folder is approximately 900 MB, even after removing the output files. It might be due to the large number of weather stations ~16000. 

[Paulo Amaral]

Hello, Celray!

Which parameters should not be changed by substitution?
Which ones are used by relative value and percentage?

Regards,

Paulo 

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