Earthdata Forum

Posted: **Thu Oct 28, 2021 10:28 pm America/New_York**

I am trying to understand how the instrument collects data on a daily basis and trying to understand the data groupings at OBDAAC, such as 'daily' as well.

Looking forward to hearing from you soon.
Thank you.

Posted: **Fri Oct 29, 2021 10:04 am America/New_York**

Thank you for providing a bit more direction for us. Here are some sites that will hopefully assist with your education on the MODIS instrument: https://modis.gsfc.nasa.gov/about/

OBPG data processing:
https://oceancolor.gsfc.nasa.gov/products/
https://oceancolor.gsfc.nasa.gov/docs/format/
https://oceancolor.gsfc.nasa.gov/atbd/
https://oceancolor.gsfc.nasa.gov/data/c ... g-periods/

and OBDAAC data access:
https://oceandata.sci.gsfc.nasa.gov/

Alicia

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