Comparisons of the Orbiting Carbon Observatory-2 (OCO-2) XCO2 measurements with TCCON

Wunch, Debra; Wennberg, Paul O.; Osterman, Gregory; Fisher, Brendan; Naylor, Bret; Roehl, Coleen M.; O'Dell, Christopher; Mandrake, Lukas; Viatte, Camille; Kiel, Matthäus; Griffith, David W. T.; Deutscher, Nicholas M.; Velazco, Voltaire A.; Notholt, Justus; Warneke, Thorsten; Petri, Christof; De Maziere, Martine; Sha, Mahesh K.; Sussmann, Ralf; Rettinger, Markus; Pollard, David; Robinson, John; Morino, Isamu; Uchino, Osamu; Hase, Frank; Blumenstock, Thomas; Feist, Dietrich G.; Arnold, Sabrina G.; Strong, Kimberly; Mendonca, Joseph; Kivi, Rigel; Heikkinen, Pauli; Iraci, Laura; Podolske, James; Hillyard, Patrick W.; Kawakami, Shuji; Dubey, Manvendra K.; Parker, Harrison A.; Sepulveda, Eliezer; García, Omaira E.; Te, Yao; Jeseck, Pascal; Gunson, Michael R.; Crisp, David; Eldering, Annmarie

doi:https://doi.org/10.5194/amt-10-2209-2017

Articles | Volume 10, issue 6

Atmos. Meas. Tech., 10, 2209–2238, 2017

https://doi.org/10.5194/amt-10-2209-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Atmos. Meas. Tech., 10, 2209–2238, 2017

https://doi.org/10.5194/amt-10-2209-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 10, issue 6

Research article 13 Jun 2017

Research article | 13 Jun 2017

Comparisons of the Orbiting Carbon Observatory-2 (OCO-2) X_CO₂ measurements with TCCON

Debra Wunch et al.

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Final revised paper (published on 13 Jun 2017)
Preprint (discussion started on 29 Aug 2016)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Referee comment', Andrew Jacobson, 29 Nov 2016
- AC1: 'Response to Andy Jacobson', Debra Wunch, 10 Feb 2017
RC2: 'Review of “Comparisons of the Orbiting Carbon Observatory-2 (OCO-2) XCO2 measurements with TCCON” by Wunch et al.', Anonymous Referee #1, 08 Dec 2016
- AC2: 'Response to Anonymous Reviewer #1', Debra Wunch, 10 Feb 2017
AC3: 'Manuscript Changes', Debra Wunch, 10 Feb 2017

Short summary

This paper describes the comparisons between NASA's Orbiting Carbon Observatory (OCO-2) column-averaged dry-air mole fractions of CO₂ with its primary ground-based validation network, the Total Carbon Column Observing Network (TCCON). The paper shows that while the standard bias correction reduces much of the spurious variability in the satellite measurements, residual biases remain.