Which processes drive observed variations  of HCHO columns over India?

Surl, Luke; Palmer, Paul I.; González Abad, Gonzalo

doi:https://doi.org/10.5194/acp-18-4549-2018

Articles | Volume 18, issue 7

https://doi.org/10.5194/acp-18-4549-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-18-4549-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 7

Research article

|

05 Apr 2018

Research article |

| 05 Apr 2018

Which processes drive observed variations of HCHO columns over India?

Luke Surl, Paul I. Palmer, and Gonzalo González Abad

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Final revised paper (published on 05 Apr 2018)
Preprint (discussion started on 22 Nov 2017)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review comments for Surl et al., 2017', Anonymous Referee #1, 29 Nov 2017
RC2: 'Referee Comment', Anonymous Referee #2, 13 Dec 2017
AC1: 'Author reply to reviewers 1 and 2', Luke Surl, 20 Feb 2018

Peer-review completion

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

AR by Luke Surl on behalf of the Authors (20 Feb 2018) Author's response Manuscript

ED: Publish as is (08 Mar 2018) by Robert McLaren

AR by Luke Surl on behalf of the Authors (12 Mar 2018)

Short summary

We used observations of HCHO formaldehyde columns from the OMI satellite instrument and the GEOS-Chem atmospheric chemistry model to investigate how and why HCHO varies over India. We find that emissions of biogenic VOC from forests are the most powerful driver, with forests' response to seasonal temperature variations causing variation over time. Human-driven emissions of VOC and burning of vegetation have detectable, but more limited, impacts.