data aggregation method?

Use this Forum to find information on, or ask a question about, NASA Earth Science data.
Post Reply
aloosen
Posts: 1
Joined: Thu Apr 24, 2025 12:57 pm America/New_York
Answers: 0

data aggregation method?

by aloosen » Fri Apr 25, 2025 9:44 am America/New_York

For MODIS Aqua data, specifically MODIS Chlorophyll-a Concentration Level 3, that are aggregated beyond daily values, how are the aggregated data grouped? Wondering if they are mean, median, etc. I am unable to find this in the documentation.

https://oceandata.sci.gsfc.nasa.gov/l3/

Filters:

OB.DAAC - SeanBailey
User Services
User Services
Posts: 61
Joined: Mon Dec 16, 2024 8:43 am America/New_York
Answers: 0
Endorsed: 5 times

Re: data aggregation method?

by OB.DAAC - SeanBailey » Fri Apr 25, 2025 10:06 am America/New_York

The binning uses a naive mean for aggregating spatially and temporally. While it is old, the original documentation for the binner is still (mostly) valid: https://oceancolor.gsfc.nasa.gov/resources/docs/technical/seawifs_reports/prelaunch/vol32_abs/

(e.g. ignore anything mentioning maximum likelihood estimator :D )

Regards,
Sean

Post Reply