Strong day-to-day variability of the Asian Tropopause Aerosol Layer (ATAL) in August 2016 at the Himalayan foothills

Sreeharsha Hanumanthu, Bärbel Vogel, Rolf Müller, Simone Brunamonti, Suvarna Fadnavis, Dan Li, Peter Ölsner, Manish Naja, Bhupendra Bahadur Singh, Kunchala Ravi Kumar, Sunil Sonbawne, Hannu Jauhiainen, Holger Vömel, Beiping Luo, Teresa Jorge, Frank G. Wienhold, Ruud Dirkson, and Thomas Peter

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Final revised paper (published on 24 Nov 2020)
Preprint (discussion started on 22 Jun 2020)

Interactive discussion

Status: closed

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

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RC1: 'Comment on acp-2020-552', Anonymous Referee #1, 16 Jul 2020
- AC1: 'Author Comment to Rev. #1', Bärbel Vogel, 05 Aug 2020
RC2: 'Review of “Strong Variability of the Asian Tropopause Aerosol Layer at the foothills of the Himalayan” by Hanumanthu et al., 2020', Anonymous Referee #2, 07 Aug 2020
- AC2: 'Reply to referee #2', Bärbel Vogel, 03 Sep 2020

Peer-review completion

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

AR by Bärbel Vogel on behalf of the Authors (03 Sep 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (21 Sep 2020) by Gabriele Stiller

RR by Anonymous Referee #2 (02 Oct 2020)

ED: Publish as is (02 Oct 2020) by Gabriele Stiller

AR by Bärbel Vogel on behalf of the Authors (05 Oct 2020) Author's response Manuscript

Short summary

During boreal summer, anthropogenic sources yield the Asian Tropopause Aerosol Layer (ATAL), found in Asia between about 13 and 18 km altitude. Balloon-borne measurements of the ATAL conducted in northern India in 2016 show the strong variability of the ATAL. To explain its observed variability, model simulations are performed to deduce the origin of air masses on the Earth's surface, which is important to develop recommendations for regulations of anthropogenic surface emissions of the ATAL.