Variations in surface ozone and carbon monoxide in the Kathmandu Valley and surrounding broader regions during SusKat-ABC field campaign: role of local and regional sources

Bhardwaj, Piyush; Naja, Manish; Rupakheti, Maheswar; Lupascu, Aurelia; Mues, Andrea; Panday, Arnico Kumar; Kumar, Rajesh; Mahata, Khadak Singh; Lal, Shyam; Chandola, Harish C.; Lawrence, Mark G.

doi:https://doi.org/10.5194/acp-18-11949-2018

Articles | Volume 18, issue 16

https://doi.org/10.5194/acp-18-11949-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Atmospheric pollution in the Himalayan foothills: The SusKat-ABC...

https://doi.org/10.5194/acp-18-11949-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 18, issue 16

Research article

|

21 Aug 2018

Research article |

| 21 Aug 2018

Variations in surface ozone and carbon monoxide in the Kathmandu Valley and surrounding broader regions during SusKat-ABC field campaign: role of local and regional sources

Piyush Bhardwaj, Manish Naja, Maheswar Rupakheti, Aurelia Lupascu, Andrea Mues, Arnico Kumar Panday, Rajesh Kumar, Khadak Singh Mahata, Shyam Lal, Harish C. Chandola, and Mark G. Lawrence

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Final revised paper (published on 21 Aug 2018)
Supplement to the final revised paper
Preprint (discussion started on 17 Jul 2017)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Naja et al.,', Anonymous Referee #2, 09 Aug 2017
- AC1: 'acp-2017-306 (author) - final response', Manish Naja, 17 May 2018
SC1: 'adding a reference', D. Rupakheti, 01 Sep 2017
- AC2: 'acp-2017-306 (author) - final response', Manish Naja, 17 May 2018
RC2: 'Review report of Bhardwaj et al', Anonymous Referee #3, 09 Feb 2018

Peer-review completion

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

AR by Manish Naja on behalf of the Authors (17 May 2018) Manuscript

ED: Publish as is (27 Jun 2018) by Sachin S. Gunthe

AR by Manish Naja on behalf of the Authors (20 Jul 2018)

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Short summary

This study provides information about the regional variabilities in some of the pollutants using observations in Nepal and India. It is shown that agricultural crop residue burning leads to a significant enhancement in ozone and CO over a wider region. Further, the wintertime higher ozone levels are shown to be largely due to local emissions, while regional transport could be important in spring and hence shows the role of regional sources versus local sources in the Kathmandu Valley.