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生物地理的気候感受性は,大規模な火山地帯の炭素排出に対する地球システムの反応を制御する
Julian Rogger1,2, Emily J Judd3, Benjamin J W Mills4
1Department of Earth Sciences, ETH Zurich, Zurich, Switzerland.
まとめ
大規模な熱帯地域 (LIP) のイベントは,重度の高温を引き起こす可能性があります. 植物
科学分野:
- 地球科学
- 古代気候学
- エコロジー
背景:
- 大規模な火山地帯 (LIP) のマグマティズムは,地球の気候と生物圏に大きな影響を及ぼします.
- これらの出来事は 気候変動と生物学的再編成を 引き起こします
- 植物の反応は炭素気候システムと 長期的な気候回復に影響します
研究 の 目的:
- 植物の適応能力がLIP誘発の高温を軽減する役割を調査する.
- 植物の動態が気候変動の深刻さや持続時間に影響を及ぼすことを理解する.
- 植物の進化と分散が新しい気候の安定状態を確立できるかどうかを判断する.
主な方法:
- LIPイベントへの反応をシミュレートするためにエコ進化の植生モデルを使用しました.
- 植物の生物学的進化と地理的分散メカニズムを組み込んだ.
- 主要な地質学的な超熱からのプロキシベースの温度再構築とモデル出力を比較した.
主要な成果:
- 植物の気候適応能力は 熱過熱の重度と長寿を 大きく制御します
- 植生のダイナミクスは,変化後の新しい,安定した気候状態の出現を促進します.
- モデル軌道は,ペルミアン・トライアシク,トライアシク・ジュラシク,そしてパレオセン・エオセンのプロキシデータと一致しています.
結論:
- 生物学的植生ダイナミクスは 大量の炭素排出への 地球システムの反応を形作る上で 決定的な役割を果たしています
- 植物の適応戦略は 極端な温暖化イベントの後の 気候の調節と回復において重要な役割を果たします
- 植物の役割を理解することは,大規模な環境破壊の際に地球システムの行動を予測するために不可欠です.
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