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次の氷河期は1万5千年後に開始 (ただし人類がいなければ

今後1万5000年は温暖な気候続く見通し=欧州科学者調査◇ロイター [nikkeibp.jp]
南極の氷を8年かけて3km:74万年分掘り下げて調査した結果、これまでに地球には8回の氷河期があったこと、現在は12000年前に始まった氷間期で、40万年前の気候に対応していて当時の氷間期は28000年ほど続いたということが判明したという報告です。
このデータから類推すると次の氷河期までは15000年程度あるだろうと考えらるようです。 しかし、現在の二酸化炭素濃度は過去に見られない高さだということもわかりました。 単純に40万年前と比較するわけにはいかないかも知れません。

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