...In this way, climate change over geological time is recorded in the history of glacier expansion and contraction. Glacial fluctuations are indicated by indicators such as (1) advancement and retreat of the glacier tongue, which is the terminus of the glacier, (2) changes in glacier area, and (3) changes in snow line altitude. In this order, it becomes more difficult to reconstruct glacial fluctuations from geological and geomorphological evidence, but conversely, the correspondence with climate becomes better. ... *Some of the terminology that mentions "glacier tongue" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…このようにして地質時代の気候変動は氷河の拡大・縮小の歴史に記録される。 氷河の変動は,(1)氷河の末端である氷舌glacier tongue端の前進・後退,(2)氷河面積の変動,(3)雪線高度の変化,などを指標として示される。この順に地質・地形学的証拠から氷河の変動を復元するのに困難が多くなるが,逆に気候との対応は良好となる。… ※「glacier tongue」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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