Articles | Volume 21, issue 18
Atmos. Chem. Phys., 21, 14159–14175, 2021
https://doi.org/10.5194/acp-21-14159-2021
Atmos. Chem. Phys., 21, 14159–14175, 2021
https://doi.org/10.5194/acp-21-14159-2021

Research article 24 Sep 2021

Research article | 24 Sep 2021

Global distribution of methane emissions: a comparative inverse analysis of observations from the TROPOMI and GOSAT satellite instruments

Zhen Qu et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on acp-2021-309', Anonymous Referee #1, 26 May 2021
  • EC1: 'Comment on acp-2021-309', Eduardo Landulfo, 08 Jun 2021
  • RC2: 'Comment on acp-2021-309', Anonymous Referee #2, 10 Aug 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Zhen Qu on behalf of the Authors (19 Aug 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to technical corrections (20 Aug 2021) by Eduardo Landulfo
ED: Referee Nomination & Report Request started (24 Aug 2021) by Eduardo Landulfo
RR by Anonymous Referee #2 (26 Aug 2021)
ED: Publish as is (26 Aug 2021) by Eduardo Landulfo
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Short summary
The recent launch of TROPOMI offers an unprecedented opportunity to quantify the methane budget from a top-down perspective. We use TROPOMI and the more mature GOSAT methane observations to estimate methane emissions and get consistent global budgets. However, TROPOMI shows biases over regions where surface albedo is small and provides less information for the coarse-resolution inversion due to the larger error correlations and spatial variations in the number of observations.
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