STRAYLIGHT flag on coastal areas
Posted: Mon Sep 02, 2019 9:07 am America/New_York
Hi,
We found that the STRAYLIGHT flag logic on coastal areas is not the same for all sensors:
- SeaWiFS: there is always a band of STRAYLIGHT pixels along the coastline (1 GAC or 3 MLAC pixels), and LAND pixels are always fully flagged STRAYLIGHT
- VIIRSN/J1: the STRAYLIGHT on coastal areas follow the same logic than on other areas: it's a margin around cloud pixels
- MODISA/T: there is always a band of STRAYLIGHT pixels along the coastline but only on the water side (and on both sides if there are cloudy pixels)
Is this normal?
Thanks in advance,
Julien
We found that the STRAYLIGHT flag logic on coastal areas is not the same for all sensors:
- SeaWiFS: there is always a band of STRAYLIGHT pixels along the coastline (1 GAC or 3 MLAC pixels), and LAND pixels are always fully flagged STRAYLIGHT
- VIIRSN/J1: the STRAYLIGHT on coastal areas follow the same logic than on other areas: it's a margin around cloud pixels
- MODISA/T: there is always a band of STRAYLIGHT pixels along the coastline but only on the water side (and on both sides if there are cloudy pixels)
Is this normal?
Thanks in advance,
Julien