Comments (2)
neteler
commented on September 2, 2024
1
Thanks @davidfrantz, for your comments. We were not fully aware that Sen2Cor chose to not publish that specific intercomparison. Closing this issue.
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davidfrantz
commented on September 2, 2024
Hi @neteler,
this here is not an issue. The right place for this, would be the discussion forum.
Different atmospheric corrections are simply different and it is quite cumbersome to repeatably answer questions regarding the intercomparison to other ACs. For this, there have been the ACIX erxercises.
Important is, FORCE has been rigorously validated and intercompared. Please see that FORCE is very well within specification in all the SR-analyses in ACIX-II (see e.g. Fig 5). Please also note that Sen2Cor is missing for that analyses as their developers pulled out of that specific intercomparison as they did not like the results.
From the RadCalNet site comparison (Fig 6 top), you see that FORCE's error in Band 11 is way below that of Sen2Cor.
That said, I don't know why the values are different, but naturally, I trust FORCE more..
from force.
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