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  1. 040 理学部
  2. 0401 学術論文

中部山岳地域における第四紀後期の気候変動

http://hdl.handle.net/10091/00019035
d4166883-f2b9-4988-82ab-88bdf7c60a0c
名前 / ファイル ライセンス アクション
Late_Quaternary_Climate_Changes_around_Japanese_Alps.pdf Late_Quaternary_Climate_Changes_around_Japanese_Alps.pdf (2.7 MB)
Copyright © 2013 公益社団法人 東京地学協会
Item type 学術雑誌論文 / Journal Article(1)
公開日 2016-08-19
タイトル
タイトル 中部山岳地域における第四紀後期の気候変動
キーワード
主題Scheme Other
主題 Japanese Alps
キーワード
主題Scheme Other
主題 日本アルプス
キーワード
主題Scheme Other
主題 climate change
キーワード
主題Scheme Other
主題 気候変動
キーワード
主題Scheme Other
主題 total organic carbon
キーワード
主題Scheme Other
主題 全有機炭素量
キーワード
主題Scheme Other
主題 pollen analysis
キーワード
主題Scheme Other
主題 花粉分析
キーワード
主題Scheme Other
主題 modern analogue method
キーワード
主題Scheme Other
主題 モダンアナログ法
キーワード
主題Scheme Other
主題 Late Pleistocene
キーワード
主題Scheme Other
主題 後期更新世
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
その他(別言語等)のタイトル
その他のタイトル Late Quaternary Climate Changes around the Japanese Alps, Central Japan
著者 公文, 富士夫

× 公文, 富士夫

WEKO 50998

公文, 富士夫

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河合, 小百合

× 河合, 小百合

WEKO 50999

河合, 小百合

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木越, 智彦

× 木越, 智彦

WEKO 51000

木越, 智彦

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信州大学研究者総覧へのリンク
氏名 公文, 富士夫
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.ZUchOUkh.html
出版者
出版者 東京地学協会
引用
内容記述タイプ Other
内容記述 地学雑誌. 122(4):571-590 (2013)
書誌情報 地学雑誌

巻 122, 号 4, p. 571-590, 発行日 2013
抄録
内容記述タイプ Abstract
内容記述 This paper reviews paleoclimate data from around the Japanese Alps in the late Quaternary period. The major data sources are total organic carbon content (TOC) of lake deposits and pollen composition from various sediments covering more than several thousand years. TOC reflects air temperature through the biological productivity of lake water. Pollen composition can show paleovegetation, and can be transformed into climate parameters using a modern analog method. The paleoclimate was reconstructed as follows under assumed conditions of altitude of 600–700m and latitude of around 36°N. Subarctic conifer forests were predominant and TOC was constantly low in the late MIS 6 (160–130 ka). It was cold as in MIS 2, the last glacial maximum. Vegetation changed significantly around 130 ka, and deciduous broadleaf trees of the cool-temperate zone became dominant in MIS 5e. TOC content in MIS 5e was also high, and temperature was as high as, or slightly cooler than, in MIS 1. Vegetation in MIS 5d to 5a comprised mixed forests of conifer trees and deciduous broadleaf trees, and their ratio changed substage by substage. TOC also fluctuated in periodicities of several thousand years, suggesting frequent temperature change. Climate in MIS 5d to 5a was a little colder than in MIS 5e and warmer than in MIS 3. The subarctic conifer forest was predominant and deciduous broadleaf trees were almost absent in MIS 4. TOC was also constantly low and temperature was much lower, as in MIS 2. Deciduous broadleaf trees flourished in MIS 3, and the ratio changed frequently in short periods of several hundreds of years to thousands of years, which corresponded to the D-O cycle. Although the annual mean temperature in MIS 3 was 5.0°C on average, that of a warm interstadial was 7.2°C and that of a cold stadial was 4.4°C. The vegetation in MIS 2 was characterized by the predominance of subarctic conifer forests and by the lowest TOC content. The reconstructed annual mean temperature was constantly around 3°C. Deciduous broadleaf trees increased abruptly from 14 to 12 ka and simultaneously TOC also increased sharply. Deciduous broadleaf trees became predominant in the Holocene (MIS 1), occupying more than 90% of arboreal pollen. TOC contents were also high, and reconstructed annual temperature was as high as 12°C in the early Holocene, a little higher than recent temperatures.
資源タイプ(コンテンツの種類)
内容記述タイプ Other
内容記述 Article
ISSN
収録物識別子タイプ ISSN
収録物識別子 0022-135X
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00322536
DOI
関連識別子
識別子タイプ DOI
関連識別子 http://dx.doi.org/10.5026/jgeography.122.571
関連名称
関連名称 10.5026/jgeography.122.571
権利
権利情報 Copyright © 2013 公益社団法人 東京地学協会
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