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OC-CCI v3.1 updated

Comparison of V2 and V3 data

Version 3.1 of the ESA OC-CCI dataset comprises of globally merged MERIS, Aqua-MODIS, SeaWiFS and VIIRS data with associated per-pixel uncertainty information, and has been updated to include data from 2017. The daily data is now extended until the 13th November 2017, and hence monthly data to October 2017.

We have stopped short of the full year due to the change in the status of MODIS-Aqua data – it is considered "Quicklook" for up to 90 days from collection due to the rapidly changing temporal calibration, which means NASA needs to make adjustments on a monthly basis (see

For details on how to access the data, see

To ask any questions, contact

User Showcase Page

A User Showcase page has been create to demonstrate some of the applications of the OC-CCI data.

Downloading and using the Ocean Colour CCI dataset

There are several options, including FTP and a Composite Browser, which are available via and explained further within the Frequently Asked Questions (FAQ) section of this website at If you need information about the products, then the best document to start with is the Product User Guide (PUG)

In addition, support is available from

We suggest that when referencing the Ocean Colour CCI dataset within peer-reviewed papers or any other publications the following citation is given in the acknowledgements, alongside any description within the methodology.

We would also like to be notified so that we can list publications within the project website at

In addition, the 2015 compilation of the in situ data (Valente et al. 2016) is available from

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