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ACSPO vs OSTIA at Night time

ACSPO vs OSTIA at Night time. retained removed . Qual_level = 0 MOD28 vs OSTIA at Night time.

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ACSPO vs OSTIA at Night time

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  1. ACSPO vs OSTIA at Night time retained removed

  2. Qual_level = 0 MOD28 vs OSTIA at Night time retained removed

  3. Qual_level = 0 , 1 MOD28 vs OSTIA at Night time retained removed

  4. Qual_level = 0 , 1 , 2 MOD28 vs OSTIA at Night time retained removed

  5. ACSPO vs OSTIA at Day time retained removed

  6. Qual_level = 0 MOD28 vs OSTIA at Day time retained removed

  7. Qual_level = 0 , 1 MOD28 vs OSTIA at Day time retained removed

  8. Qual_level = 0 , 1 , 2 MOD28 vs OSTIA at Day time retained removed

  9. Conclusion: Histogram line shape and sample number in Quality Level 0 is most similar to ACSPO than other QLs, below is a typical distribution of sample number in each QL in one day (day + night) . total:  1,069,632,920 ( larger than actual observing number, ~0.79 billion, due to the day time data and night time data be saved in two files) QL 4:     309,923,910 (redundant pixels, equal to 1 billion minus 0.79 billion) QL 3:     574,900,169 (land and cloud) QL 2:      66,422,553 (low quality) QL 1:      28,300,482 (mid quality) QL 0:      90,085,806 (high quality) Day/night sample number ratio is different with ACSPO (in MOD28, day: chan 11, 12, night: chan 4, 11 , 12). We can change it by using 90o solar zenith angle as the day/night flag definition. 3. Although only AQUA vs OSTIA was showed, histogram and global map of other pairs is pretty much the same. *There are several wrong notes in title of the images, please pay no attention on them, I’ll fix. Any suggestions are welcome.

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