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Long term variations of summer temperatures in tokyo since 1721
http://hdl.handle.net/10748/3672
http://hdl.handle.net/10748/3672143b61a6-216c-4434-9d6b-613584d203de
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
20005-31-014.pdf (385.3 kB)
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| Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||||
|---|---|---|---|---|---|---|---|---|
| 公開日 | 2010-11-30 | |||||||
| タイトル | ||||||||
| タイトル | Long term variations of summer temperatures in tokyo since 1721 | |||||||
| 言語 | ||||||||
| 言語 | eng | |||||||
| キーワード | ||||||||
| 主題Scheme | Other | |||||||
| 主題 | summer temperature | |||||||
| キーワード | ||||||||
| 主題Scheme | Other | |||||||
| 主題 | weather record | |||||||
| キーワード | ||||||||
| 主題Scheme | Other | |||||||
| 主題 | climate reconstruction | |||||||
| キーワード | ||||||||
| 主題Scheme | Other | |||||||
| 主題 | Little Ice | |||||||
| キーワード | ||||||||
| 主題Scheme | Other | |||||||
| 主題 | Age | |||||||
| キーワード | ||||||||
| 主題Scheme | Other | |||||||
| 主題 | Tokyo | |||||||
| 資源タイプ | ||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||
| 資源タイプ | departmental bulletin paper | |||||||
| 著者 |
Mikami, Takehiko
× Mikami, Takehiko
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| 著者(ヨミ) |
ミカミ, タケヒコ
× ミカミ, タケヒコ |
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| 抄録 | ||||||||
| 内容記述タイプ | Abstract | |||||||
| 内容記述 | In Japan, summer temperatures are highly correlated with precipitation frequencies. Based on this assumption, we made an attempt to reconstruct summer (July) temperatures in Tokyo for 1721-1995 by using weather records in old diaries in the western suburbs of Tokyo. The results indicate that summer temperatures of Tokyo during the 18th and 19th centuries were estimated to have been 1 to 1.5 degrees lower than today. However, it was rather warm in the early 19th century, and rather cool in the 18th and early 20th centuries. A result of power spectrum analysis reveales several periodicities related to the solar cycle (21 and 10.5 year), ENSO cycle (6.3, 5.0 and 3.2 year) and QBO (2.18 year). Cool episodes in the 1780s, 1830s and 1900s are in accordance with poor rice harvests and severe famines. A comparison with the reconstructed July temperatures in Beijing, China shows opposite trends in the 18th century and similar trends since the late 19th century. | |||||||
| 書誌情報 |
Geographical Reports of Tokyo Metropolitan University 号 31, p. 157-165, 発行日 1996 |
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| ISSN | ||||||||
| 収録物識別子タイプ | ISSN | |||||||
| 収録物識別子 | 03868710 | |||||||
| 書誌レコードID | ||||||||
| 収録物識別子タイプ | NCID | |||||||
| 収録物識別子 | AA00200173 | |||||||
| 著者版フラグ | ||||||||
| 出版タイプ | VoR | |||||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||
| 出版者 | ||||||||
| 出版者 | Department of Geography, Tokyo Metropolitan University | |||||||
