Submicron Organic Aerosol Types in the Summertime Arctic: Mixing State, Geographic Distribution, and Drivers
文献类型：期刊论文
| 作者 | Su, Bojiang1,2,9; Zhang, Guohua1,3,9 ; Song, Congbo4; Liang, Yue5; Wang, Longqun6; Li, Lei7; Zhou, Zhen7; Yan, Jinpei8; Wang, Xinming1,3,9; Bi, Xinhui1,3,9
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| 刊名 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
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| 出版日期 | 2024-09-16 |
| 卷号 | 129期号:17页码:14 |
| 关键词 | individual organic aerosol particles mixing state summertime high Arctic geographic distribution driver machine learning |
| ISSN号 | 2169-897X |
| DOI | 10.1029/2024JD041061 |
| 英文摘要 | During the 2017 summertime Arctic cruise observation campaigns, we measured over 290,000 individual submicron particles and clustered them into two inorganic classes (dominated by sea salt, accounting for 38.6% by number fraction) and five organic classes (dominated by natural and anthropogenic organics, 61.4%), presenting a distinct difference in geographic distribution. In the high Arctic and marginal ice zone (81.1-84.6 degrees N) compared with the low Arctic (Chukchi Sea, Svalbard, and Iceland, <80 degrees N), ocean-derived organic aerosols were more prevalent (73.6% vs. 37.1%). Specifically, we found sharp contrasts in the geographic distributions of OC-Ca (organics internally mixed with calcium, 29.0% vs. 9.4%) and OC-S (organics internally mixed with sulfate, 3.2% vs. 21.4%). Utilizing an explainable machine learning technique, we inferred that OC-Ca was driven by wind-blown sea ice and/or sea ice floes and/or bubble bursting within sea ice leads under low wind speed conditions in the high Arctic, while OC-S tended to associate with elemental carbon, sulfate, and higher temperatures, potentially originating from combustion emissions at low latitude regions. |
| WOS研究方向 | Meteorology & Atmospheric Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:001309876500001 |
| 源URL | [http://ir.gig.ac.cn/handle/344008/81101]  |
| 专题 | 有机地球化学国家重点实验室 |
| 通讯作者 | Zhang, Guohua; Bi, Xinhui |
| 作者单位 | 1.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou, Peoples R China 2.Univ Chinese Acad Sci, Beijing, Peoples R China 3.Guangdong Hong Kong Macao Joint Lab Environm Pollu, Guangzhou, Peoples R China 4.Univ Manchester, Natl Ctr Atmospher Sci NCAS, Manchester, England 5.Univ Macau, Fac Sci & Technol, Dept Civil & Environm Engn, Macau, Peoples R China 6.Univ Sci & Technol China, Dept Environm Sci & Engn, Anhui Key Lab Polar Environm & Global Change, Hefei, Peoples R China 7.Jinan Univ, Inst Mass Spectrometry & Atmospher Environm, Guangzhou, Peoples R China 8.Minist Nat Resources, Inst Oceanog 3, Key Lab Global Change & Marine Atmospher Chem, Xiamen, Peoples R China 9.Chinese Acad Sci, Guangzhou Inst Geochem, Guangdong Prov Key Lab Environm Protect & Resource, Guangzhou, Peoples R China |
| 推荐引用方式 GB/T 7714 | Su, Bojiang,Zhang, Guohua,Song, Congbo,et al. Submicron Organic Aerosol Types in the Summertime Arctic: Mixing State, Geographic Distribution, and Drivers[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2024,129(17):14. |
| APA | Su, Bojiang.,Zhang, Guohua.,Song, Congbo.,Liang, Yue.,Wang, Longqun.,...&Bi, Xinhui.(2024).Submicron Organic Aerosol Types in the Summertime Arctic: Mixing State, Geographic Distribution, and Drivers.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,129(17),14. |
| MLA | Su, Bojiang,et al."Submicron Organic Aerosol Types in the Summertime Arctic: Mixing State, Geographic Distribution, and Drivers".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 129.17(2024):14. |
入库方式： OAI收割
来源：广州地球化学研究所
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