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Recent Intensification of the Western Pacific Subtropical High Associated with the East Asian Summer Monsoon
https://nied-repo.bosai.go.jp/records/6058
https://nied-repo.bosai.go.jp/records/60589ac6f20b-77d8-49fd-9fb7-c1929b51cc27
Item type | researchmap(1) | |||||||||||
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公開日 | 2023-04-27 | |||||||||||
タイトル | ||||||||||||
言語 | en | |||||||||||
タイトル | Recent Intensification of the Western Pacific Subtropical High Associated with the East Asian Summer Monsoon | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
著者 |
Shinji Matsumura
× Shinji Matsumura
× Shiori Sugimoto
× Tomonori Sato
|
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抄録 | ||||||||||||
内容記述タイプ | Other | |||||||||||
内容記述 | The summer western Pacific subtropical high (WPSH) has intensified during the past three decades. However, the underlying mechanism is not yet well understood. Here, it is shown that baiu rainband activity in midsummer, which is part of the East Asian summer monsoon, plays an important role in recent intensification in the WPSH along the baiu rainband. In contrast with the WPSH, the summer Okhotsk high, which is located to the north of the baiu rainband, has weakened during the past three decades. The north-south contrasting changes between the two highs reflect a response to northward-moved and enhanced baiu heating, which intensifies the upper-tropospheric ridge, resulting in the baroclinic intensification of the WPSH. Regional climate model experiments also support the observational analysis. Therefore, baiu convective activity in midsummer can act as a major driver for the WPSH intensification. The results here suggest that the mechanism intensifying the summer North Pacific subtropical high clearly differs between the western and eastern Pacific. | |||||||||||
言語 | en | |||||||||||
書誌情報 |
en : JOURNAL OF CLIMATE 巻 28, 号 7, p. 2873-2883, 発行日 2015-04 |
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出版者 | ||||||||||||
言語 | en | |||||||||||
出版者 | AMER METEOROLOGICAL SOC | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | EISSN | |||||||||||
収録物識別子 | 1520-0442 | |||||||||||
DOI | ||||||||||||
関連識別子 | 10.1175/JCLI-D-14-00569.1 |