Fractional impervious surface (FIS) map ?

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Samuel Akande

Derdour Abdessamed I believe this link will be very helpful for your analysis.

https://learn.arcgis.com/en/projects/calculate-impervious-surfaces-from-spectral-imagery/

In addition, see the attached article for further explanation.

Derdour Abdessamed

Samuel Akande Thank's for all the help !!!