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Number–size distribution of aerosol particles and new particle formation events in tropical and subtropical Pacific Oceans
http://hdl.handle.net/2241/00144209
http://hdl.handle.net/2241/00144209671cb7de-da33-4a4d-a05a-27a923f02c15
名前 / ファイル | ライセンス | アクション |
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AE_142 (6.2 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2016-10-28 | |||||
タイトル | ||||||
タイトル | Number–size distribution of aerosol particles and new particle formation events in tropical and subtropical Pacific Oceans | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Ueda, S.
× Ueda, S.× Miura, K.× Kawata, R.× Furutani, H.× Uematsu, M.× Omori, Y.× Tanimoto, H. |
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著者別名 |
大森 裕子
× 大森 裕子 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Number–size distributions of aerosol particles with diameters of 10–500 nm in the marine boundary layer were observed continually onboard the R/V Hakuho Maru over the equatorial and subtropical North Pacific and South Pacific during December 2011–March 2012. Number–size distributions over each area were parameterized using a sum of up to three lognormal functions. Bi-modal size distributions with peak diameters at 30–80 nm (Aitken mode) and 100–200 nm (accumulation mode) were observed frequently. Larger peak diameters of Aitken and accumulation modes were observed over the eastern equator, where 5-day backward trajectories showed that the air masses had derived from high-chlorophyll oceanic regions without precipitation. Smaller peak diameters and low concentrations were often observed over the North Pacific. The trajectories show that such air mass originated from oceanic regions with less chlorophyll, exhibiting high precipitation frequency. New particle formation (NPF) events have often been observed over the mid-latitude eastern South Pacific with a low condensation sink (CS) and some dimethyl sulfide, although none was observed over the equator, where CS was higher. The lesser CS condition at NPF events was mostly correlated with local precipitation or precipitation along the trajectories within 1 day. These results suggest that differences of the number–size distribution and occasions of NPF events among sea areas most closely accord with precipitation along the trajectories. | |||||
書誌情報 |
Atmospheric environment 巻 142, p. 324-339, 発行日 2016-10 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 13522310 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10990709 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.atmosenv.2016.07.055 | |||||
権利 | ||||||
権利情報 | © 2016 The Authors. Published by Elsevier Ltd. | |||||
権利 | ||||||
権利情報 | This is an open access article under the CC BY-NC-ND license. | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | Elsevier |