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OCO-2 Data Center

Data Access & Updates

On October 10, 2018, OCO-2 release the latest version of the Level 2 (L2) data Product. This version of the L2 Product is release 9.0 (V9) and has been processed based on version 8.0 (V8) of the OCO-2 Level 1 and Level 2 algorithms, but with a new processing that updated the ABP, IDP, Met and XCO2 Lite products. For exact details to the differences between V8 and V9, please see OCO-2 Data Quality Statement: Level 2 Lite File Data Release 9 (V9) (PDF, 1.05 MB)

There are two ways to access OCO-2 data- Either from the NASA DAAC or the CO2 portal:
-Please visit the NASA Data Archive page GES DISC for all OCO-2 data products
-or please visit the CO2 portal CO2 Data Portal. You will be able to access the Lite files (not full physics), which would be suitable if you are interested in creating imagery or data animations. Documentation will be on the portal.

Helpful documentation to review before your start are at OCO-2 Documents.

If you are interested in our Level 2 products, please go to L2 Products.

These data have been produced by the OCO-2 project, and are provided freely to the public.

OCO-2 L2 Full Physics Code was open sourced and lives on Github- OCO-2 L2 Full Physics Code and the User's Guide for it is available at Users Guide. Please note that Users of the code NEED the ABSCO tables, which are available at ABSCO Tables. To run the L2 code, users will need at least the L1B and Met products.

In order to improve our product and have continued support for this work, we need user feedback and user acknowledgement of data usage. Therefore, we request that when publishing using OCO-2 data, please acknowledge NASA and the OCO-2 project.

- Include OCO-2 as a keyword to facilitate subsequent searches of bibliographic databases if it is a significant part of the publication

- Include a bibliographic citation for OCO-2 data. The most relevant citations currently are Wunch et al. [2011a and 2011b], O’Dell et al. [2012], Crisp et al. [2012], and Frankenberg et al. [2014a and 2014b]

- Include the following acknowledgements: “These data were produced by the OCO-2 project at the Jet Propulsion Laboratory, California Institute of Technology, and obtained from the OCO-2 data archive maintained at the NASA Goddard Earth Science Data and Information Services Center.”

- We recommend sending courtesy copies of publications to the OCO-2 Project Scientist,, and Deputy Project Scientist,

We are happy to hear your comments and questions – please email