Articles | Volume 13, issue 7
Atmos. Meas. Tech., 13, 3923–3937, 2020
https://doi.org/10.5194/amt-13-3923-2020
Atmos. Meas. Tech., 13, 3923–3937, 2020
https://doi.org/10.5194/amt-13-3923-2020

Research article 21 Jul 2020

Research article | 21 Jul 2020

Atmospheric ammonia (NH3) over the Paris megacity: 9 years of total column observations from ground-based infrared remote sensing

Benoît Tournadre et al.

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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by pascale chelin on behalf of the Authors (31 Jan 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (04 Feb 2020) by Helen Worden
RR by Anonymous Referee #1 (21 Feb 2020)
ED: Publish subject to minor revisions (review by editor) (21 Feb 2020) by Helen Worden
AR by pascale chelin on behalf of the Authors (10 May 2020)  Author's response    Manuscript
ED: Publish as is (12 May 2020) by Helen Worden
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Short summary
We present some results about ammonia pollution because NH3, mainly emitted by agricultural activities, is a precursor of fine particles. This study is based on the first multiyear time series (2009–2017) of atmospheric NH3 ground-based measurements over the Paris megacity. This pollutant varies seasonally by 2 orders of magnitude, especially in spring. We highlight that this kind of instrument could be easily installed and is very useful for analyzing NH3 in other megacities or source regions.