コメントへの返信 "過去千年にわたり,ENSOによる火山の強制への対応は一貫していない"

Sylvia G Dee¹, Kim M Cobb², Julien Emile-Geay³

¹Department of Earth, Environmental, and Planetary Sciences, Rice University, Houston, TX, USA. sylvia.dee@rice.edu.

Science (New York, N.Y.)

|September 11, 2020

まとめ

火山の噴火によって表面が冷却されエルニーニョの温暖化信号が隠されるかもしれませんこの研究は,火山とエルニーニョの関連性に関する質問に答え, 気候パターンの潜在的遮蔽効果を調べています.

科学分野:

気候科学
火山学
海洋学

背景:

大規模な火山噴火は,熱帯の表面の冷却を引き起こす可能性があります.
以前の研究では火山活動とエルニニョ現象の関連が示唆されています
火山の冷却とエルニーニョの間のダイナミックな反応の観測証拠は曖昧である.

研究の目的:

エルニーニョの信号に対する火山による冷却効果の認識に関する批判に対処するためです.
中央太平洋の場所での火山の表面の冷却によってエルニーニョの温暖化が隠されている可能性を調査するためです
火山とエルニーニョの関連性を明らかにするためです

主な方法:

表面温度異常に焦点を当てた気候データの分析
エルニーニョの指標に対する火山冷却の潜在的マスク効果をモデル化.
太平洋中部地域における観測データの再評価

主要な成果:

火山の表面の冷却はエルニーニョの温暖化信号を遮るかもしれません
火山の冷却とエルニーニョを結びつけるダイナミックな反応はさらに調査が必要です
観測支援の曖昧さは,火山とエルニーニョの相互作用の複雑さを強調しています.

結論:

エルニーニョに関する火山噴火の隠蔽効果の可能性は,気候分析の中で慎重に考慮しなければなりません.
火山とエルニーニョの関連に関する曖昧な観測的根拠を解明するにはさらに研究が必要である.
これらの複雑さを解決することは気候の正確なモデリングと予測に不可欠です

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