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このページは機械翻訳されています。他のページは英語で表示される場合があります。View in English
  1. ホーム
  3. 研究分野
  5. 地球科学
  7. 気候変動科学
  9. 気候学
  11. 大規模なハリケーン発生に対する相対的な熱帯大西洋温暖化の支配的な影響

大規模なハリケーン発生に対する相対的な熱帯大西洋温暖化の支配的な影響

H Murakami1,2, E Levin3, T L Delworth4,2

  • 1Geophysical Fluid Dynamics Laboratory, National Oceanic and Atmospheric Administration, Princeton, NJ, USA. hir.murakami@gmail.com.

Science (New York, N.Y.)
|September 29, 2018

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PubMed で要約を見る

まとめ
この要約は機械生成です。

2017年の主要ハリケーンシーズンの原動力は ラニーニャではなく 温暖な大西洋の表面温度でした この温暖化傾向は 気候変動と関連しており 将来の大西洋のハリケーンが より強くなることを示唆しています

科学分野:

  • 気候科学
  • 海洋学
  • 気象学

背景:

  • 2017年の大西洋のハリケーンシーズンは,複数の主要ハリケーンで異常な高いアクティビティを示した.
  • ハリケーン活動の増加の要因を理解することは 気候変動への適応と緩和戦略に不可欠です

研究 の 目的:

  • 2017年に大西洋における主要なハリケーン活動に寄与した主な要因を調査する.
  • 大西洋のハリケーン活動に対する海面温度の変化の潜在的な将来の影響を評価する.

主な方法:

  • 大気と海洋の条件をシミュレートするために,高解像度モデル実験のスイートを利用しました.
  • 海洋表面温度データを分析し,自然変動 (例えばラニーニャ) と長期的な傾向を区別する.

主要な成果:

  • この研究では,熱帯北大西洋における顕著な暖かい海面条件が,ラニーニャではなく,2017年の主要なハリケーン増加の主な引き金であることが判明しました.
  • 海面温度の長期的傾向は,将来的に大きなハリケーンの数を増やす可能性を示唆しています.

結論:

  • 熱帯大西洋の相対的な温暖化は,大西洋の主要ハリケーン活動を制御する重要な要因です.
  • 温室効果ガスの増加とエアロゾールの減少は,この温暖化傾向を悪化させ,将来のハリケーン強度の増加につながると予測されています.

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