Orbiting Carbon Observatory-2 (OCO-2) cloud screening algorithms:  validation against collocated MODIS and CALIOP data

Taylor, Thomas E.; O'Dell, Christopher W.; Frankenberg, Christian; Partain, Philip T.; Cronk, Heather Q.; Savtchenko, Andrey; Nelson, Robert R.; Rosenthal, Emily J.; Chang, Albert Y.; Fisher, Brenden; Osterman, Gregory B.; Pollock, Randy H.; Crisp, David; Eldering, Annmarie; Gunson, Michael R.

doi:https://doi.org/10.5194/amt-9-973-2016

Articles | Volume 9, issue 3

https://doi.org/10.5194/amt-9-973-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/amt-9-973-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 9, issue 3

Research article

|

08 Mar 2016

Research article |

| 08 Mar 2016

Orbiting Carbon Observatory-2 (OCO-2) cloud screening algorithms: validation against collocated MODIS and CALIOP data

Thomas E. Taylor, Christopher W. O'Dell, Christian Frankenberg, Philip T. Partain, Heather Q. Cronk, Andrey Savtchenko, Robert R. Nelson, Emily J. Rosenthal, Albert Y. Chang, Brenden Fisher, Gregory B. Osterman, Randy H. Pollock, David Crisp, Annmarie Eldering, and Michael R. Gunson

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Final revised paper (published on 08 Mar 2016)
Preprint (discussion started on 04 Dec 2015)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC C4472: 'Review of amt-2015-322', Anonymous Referee #2, 22 Dec 2015
- AC C5264: 'Author response to reviewer #2', T. E. Taylor, 02 Feb 2016
RC C4525: 'remote sensing, cloud screening', Anonymous Referee #1, 28 Dec 2015
- AC C5253: 'Author response to reviewer #1', T. E. Taylor, 02 Feb 2016

Short summary

NASA's Orbiting Carbon Observatory-2 (OCO-2) is providing approximately 1 million soundings per day of the total column of carbon dioxide (X_CO₂). The retrieval of X_CO₂ can only be performed for soundings sufficiently free of cloud and aerosol. This work highlights comparisons of OCO-2 cloud screening algorithms to the MODIS cloud mask product. We find agreement approximately 85 % of the time with some significant spatial and small seasonal dependencies.