Intercomparability of XCO2 and XCH4 from the United States TCCON sites

Hedelius, Jacob K.; Parker, Harrison; Wunch, Debra; Roehl, Coleen M.; Viatte, Camille; Newman, Sally; Toon, Geoffrey C.; Podolske, James R.; Hillyard, Patrick W.; Iraci, Laura T.; Dubey, Manvendra K.; Wennberg, Paul O.

doi:https://doi.org/10.5194/amt-10-1481-2017

Articles | Volume 10, issue 4

https://doi.org/10.5194/amt-10-1481-2017

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

https://doi.org/10.5194/amt-10-1481-2017

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

Articles | Volume 10, issue 4

Research article

|

20 Apr 2017

Research article |

| 20 Apr 2017

Intercomparability of X_CO₂ and X_CH₄ from the United States TCCON sites

Jacob K. Hedelius, Harrison Parker, Debra Wunch, Coleen M. Roehl, Camille Viatte, Sally Newman, Geoffrey C. Toon, James R. Podolske, Patrick W. Hillyard, Laura T. Iraci, Manvendra K. Dubey, and Paul O. Wennberg

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Final revised paper (published on 20 Apr 2017)
Preprint (discussion started on 15 Sep 2016)

Interactive discussion

Status: closed

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

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RC1: 'Review of "Intercomparability of XCO2 and XCH4 from the United States TCCON sites"', Frank Hase, 12 Oct 2016
- AC1: 'Responses to Frank Hase', J.K. Hedelius, 30 Jan 2017
RC2: 'Review of “Intercomparability of XCO2 and XCH4 from the United States TCCON sites”', Anonymous Referee #2, 25 Dec 2016
- AC2: 'Responses to Anonymous Referee #2', J.K. Hedelius, 30 Jan 2017

Short summary

Two portable spectrometers, assumed to be internally precise, were taken to four different sites with (stationary) TCCON spectrometers. Biases of column averaged CO₂ and CH₄ measured among the TCCON sites were estimated experimentally. Results suggest that maximum (95 % confidence interval) bias among sites is less than what was estimated from a previous analytical error analysis.