Missing data in MODIS/Terra+Aqua AOD and Water Vapor from MAIAC, Daily L3 Global 0.05Deg CMG V061

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u1_3berg
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Missing data in MODIS/Terra+Aqua AOD and Water Vapor from MAIAC, Daily L3 Global 0.05Deg CMG V061

by u1_3berg » Wed Oct 23, 2024 6:17 am America/New_York

Data are consistently missing for some swaths (regions) in the MODIS level 3 AOD product (MODIS/Terra+Aqua AOD and Water Vapor from MAIAC, Daily L3 Global 0.05Deg CMG V061). For example, the region south of Greenland/Iceland. Why is this?

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GES DISCx - jimacker
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Re: Missing data in MODIS/Terra+Aqua AOD and Water Vapor from MAIAC, Daily L3 Global 0.05Deg CMG V061

by GES DISCx - jimacker » Wed Oct 23, 2024 10:03 am America/New_York

Hello,

We (the GES DISC) are not the DAAC that archives MODIS aerosol data, though we do provide it in Giovanni. Can you provide an image of what you are describing to allow a better understanding of the issue?

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Re: Missing data in MODIS/Terra+Aqua AOD and Water Vapor from MAIAC, Daily L3 Global 0.05Deg CMG V061

by LP DAACx - lien » Thu Oct 24, 2024 9:58 am America/New_York

Hello,
Could you give us more specifics on the area that is missing data. If it is over deep ocean, that is expected. Please see page 6 of the User Guide for more information on this: https://lpdaac.usgs.gov/documents/1500/MCD19_User_Guide_V61.pdf
If it is over land can you give us a coordinate range?
Thanks,
Brett

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