Articles | Volume 13, issue 7
Research article
02 Jul 2020
Research article |  | 02 Jul 2020

Impact of land–water sensitivity contrast on MOPITT retrievals and trends over a coastal city

Ian Ashpole and Aldona Wiacek


Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Ian Ashpole on behalf of the Authors (24 Apr 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (29 Apr 2020) by Frank Hase
RR by Anonymous Referee #2 (13 May 2020)
ED: Publish subject to technical corrections (13 May 2020) by Frank Hase
AR by Ian Ashpole on behalf of the Authors (14 May 2020)  Author's response    Manuscript
Short summary
We analyse temporal trends in carbon monoxide (CO) detected by the MOPITT satellite instrument over the coastal city of Halifax, Canada. We show that trends in surface level CO differ significantly depending on the data product used (Level 2 or Level 3). This is linked to the different sensitivity with which MOPITT can detect CO at the surface over land and water as well as the differing degree to which the data can be filtered to account for this in the different products.