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Imperviousness calculation with Catchment Processing Wizard
Hello!
I am trying calculate the imperviousness with the Catchment Processing Wizard. I created the base layers in ArcGis and exported to them to MU. I try to run the wizard and it works for the hydrological parameters, but the imperviousness is not modified ans is still cero for all the sub-catchments. Does anyone know why could this happen?
Thank you very much in advance!!
Best regards,
Tania