QGIS ARR to TUFLOW: Difference between revisions
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===Areal Reduction Factors===
Areal reduction factor options can be changed in the '''ARF''' section:
* '''Calculate Area''' - will calculate the catchment area using the GIS feature in QGIS. For point objects, this will be set to zero and no ARF will be applied (i.e. a value of 1.0)
* '''User Area''' - will let the user define the area. This can either be done by selecting an attribute field that contains the catchment area, or by entering a value. All user inputs will be assumed to be in square km.
* '''Minimum ARF''' - this value sets a floor for the calculated ARF values
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