I have questions
First, I would like to know if there’s any difference between TOA reflectance, BOA reflectance ans surface reflectance
I would like to compute the NDRE ( Normalized Difference Red Edge Index) on sentinel 2 data. I have sentinel 2 data downloaded from the USGS site.
The litterature tells me that I should have a surface reflectance image to compute NDRE.
That leads to my second question. How to have surface reflectance sentinel 2 images from the data downloaded from the USGS (L1C)
Thanks in advance for tour replies