Lower-tropospheric CO<sub>2</sub> from near-infrared ACOS-GOSAT observations

Kulawik, Susan S.; O'Dell, Chris; Payne, Vivienne H.; Kuai, Le; Worden, Helen M.; Biraud, Sebastien C.; Sweeney, Colm; Stephens, Britton; Iraci, Laura T.; Yates, Emma L.; Tanaka, Tomoaki

doi:https://doi.org/10.5194/acp-17-5407-2017

Articles | Volume 17, issue 8

https://doi.org/10.5194/acp-17-5407-2017

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

https://doi.org/10.5194/acp-17-5407-2017

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

Articles | Volume 17, issue 8

Research article

|

27 Apr 2017

Research article |

| 27 Apr 2017

Lower-tropospheric CO₂ from near-infrared ACOS-GOSAT observations

Susan S. Kulawik, Chris O'Dell, Vivienne H. Payne, Le Kuai, Helen M. Worden, Sebastien C. Biraud, Colm Sweeney, Britton Stephens, Laura T. Iraci, Emma L. Yates, and Tomoaki Tanaka

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Final revised paper (published on 27 Apr 2017)
Preprint (discussion started on 07 Oct 2016)

Interactive discussion

Status: closed

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

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RC1: 'Review of ACP-2016-720 by Kulawik et al', Anonymous Referee #2, 04 Nov 2016
RC2: 'Review of "Lower-tropospheric CO2 from near-infrared ACOS-GOSAT observations," by Kulawik et al.', Anonymous Referee #1, 04 Nov 2016
RC3: 'Comments on "Lower-tropospheric CO2 from near-IR ACOS-GOSAT observations"', Anonymous Referee #3, 04 Nov 2016
AC1: 'Author response', Susan Kulawik, 14 Feb 2017

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Susan Kulawik on behalf of the Authors (14 Feb 2017) Author's response Manuscript

ED: Publish subject to technical corrections (10 Mar 2017) by Paul Wennberg

AR by Susan Kulawik on behalf of the Authors (15 Mar 2017) Author's response Manuscript

Short summary

We introduce new vertically resolved GOSAT products that better separate locally and remotely influenced CO₂. Current GOSAT column results for CO₂ (XCO₂) are sensitive to fluxes on continental scales, whereas flux estimates from surface and tower measurements are affected by sampling bias and model transport uncertainty. These new GOSAT measurements of boundary layer CO₂ are validated against aircraft and surface observations of CO₂ and are compared to vertically resolved MOPITT CO.

Lower-tropospheric CO2 from near-infrared ACOS-GOSAT observations

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Interactive discussion

Peer-review completion

Lower-tropospheric CO₂ from near-infrared ACOS-GOSAT observations