Preprints
https://doi.org/10.5194/egusphere-2022-838
https://doi.org/10.5194/egusphere-2022-838
01 Sep 2022
 | 01 Sep 2022

Chemical characterization of organic compounds involved in iodine-initiated new particle formation from coastal macro-algal emission

Yibei Wan, Xiangpeng Huang, Chong Xing, Qiongqiong Wang, Xinlei Ge, and Huan Yu

Abstract. Iodine-initiated new particle formation (I-NPF) has long been recognized in coastal hotspot regions. However, no prior work has studied the exact chemical composition of organic compounds and their role in the coastal I-NPF. Here we present an important complementary study to the ongoing laboratory and field researches of iodine nucleation in coastal atmosphere. Oxidation and NPF experiments with vapor emissions from real-world coastal macroalgae were simulated in a bag reactor. On the basis of comprehensive mass spectrometry measurements, we reported for the first time a variety of volatile precursors and their oxidation products in gas and particle phases in such a highly complex system. Organic compounds overwhelmingly dominated over iodine in the new particle growth initiated by iodine species. The identity and transformation mechanisms of organic compounds were proposed in this study to provide a more complete story of coastal NPF from low-tide macroalgal emission.

Journal article(s) based on this preprint

06 Dec 2022
Chemical characterization of organic compounds involved in iodine-initiated new particle formation from coastal macroalgal emission
Yibei Wan, Xiangpeng Huang, Chong Xing, Qiongqiong Wang, Xinlei Ge, and Huan Yu
Atmos. Chem. Phys., 22, 15413–15423, https://doi.org/10.5194/acp-22-15413-2022,https://doi.org/10.5194/acp-22-15413-2022, 2022
Short summary

Yibei Wan et al.

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • CC1: 'Comment on egusphere-2022-838', Juan Carlos Gomez Martin, 02 Sep 2022
    • AC1: 'Reply on CC1', Huan Yu, 31 Oct 2022
  • RC1: 'Comment on egusphere-2022-838', Anonymous Referee #1, 26 Sep 2022
    • AC2: 'Reply on RC1', Huan Yu, 31 Oct 2022
  • RC2: 'Comment on egusphere-2022-838', Anonymous Referee #2, 24 Oct 2022
    • AC3: 'Reply on RC2', Huan Yu, 31 Oct 2022

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • CC1: 'Comment on egusphere-2022-838', Juan Carlos Gomez Martin, 02 Sep 2022
    • AC1: 'Reply on CC1', Huan Yu, 31 Oct 2022
  • RC1: 'Comment on egusphere-2022-838', Anonymous Referee #1, 26 Sep 2022
    • AC2: 'Reply on RC1', Huan Yu, 31 Oct 2022
  • RC2: 'Comment on egusphere-2022-838', Anonymous Referee #2, 24 Oct 2022
    • AC3: 'Reply on RC2', Huan Yu, 31 Oct 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
AR by Huan Yu on behalf of the Authors (31 Oct 2022)  Author's response   Author's tracked changes   Manuscript 
ED: Referee Nomination & Report Request started (04 Nov 2022) by James Allan
RR by Anonymous Referee #2 (10 Nov 2022)
RR by Anonymous Referee #1 (10 Nov 2022)
ED: Publish subject to technical corrections (11 Nov 2022) by James Allan
AR by Huan Yu on behalf of the Authors (15 Nov 2022)  Author's response   Manuscript 

Journal article(s) based on this preprint

06 Dec 2022
Chemical characterization of organic compounds involved in iodine-initiated new particle formation from coastal macroalgal emission
Yibei Wan, Xiangpeng Huang, Chong Xing, Qiongqiong Wang, Xinlei Ge, and Huan Yu
Atmos. Chem. Phys., 22, 15413–15423, https://doi.org/10.5194/acp-22-15413-2022,https://doi.org/10.5194/acp-22-15413-2022, 2022
Short summary

Yibei Wan et al.

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Short summary
The organic compounds involved in continental new particle formation have been investigated in depth in last two decades. In contrast, no prior work has studied the exact chemical composition of organic compounds and their role in the coastal new particle formation. We present an important complementary study to the ongoing laboratory and field researches of iodine nucleation in coastal atmosphere. This study provided a more complete story of coastal I-NPF from low-tide macroalgal emission.