まとめ
科学者は,雲による異常な太陽放射線吸収を観察し,雲がモデルが予測するよりもはるかに多くの太陽エネルギーを吸収することを発見しました. この説明できない現象は,地球のエネルギー予算に影響を及ぼし,さらなる調査を必要としています.
科学分野:
- 大気科学 大気科学
- 気候科学 気候科学
- 放射能の移転は,放射能の移転である.
背景:
- 雲は歴史的に,太陽放射線の説明不可能な異常吸収を示してきました.
- 既存の理論モデルでは,雲による観測された太陽吸収を完全に説明できない.
- トロポスフィアのエアロゾールは原因として示唆されているが,その変動性は観察された吸収パターンと対照的である.
研究 の 目的:
- 雲による太陽吸収の観測とモデルの間の不一致を調査する.
- コロケーション測定を用いて雲による異常な太陽吸収を定量化する.
- 異なる季節や場所における雲吸収の一貫性を評価する.
主な方法:
- 太陽放射線のコロッケ化衛星と表面測定を用いた.
- 5つの地理的に多様な場所からデータを収集しました.
- 雲による大気吸収を決定するために,太陽放射線データを分析しました.
主要な成果:
- 雲による有意な太陽吸収が観測され,モデルの予測を超えました.
- 雲の多い大気による地球全体の平均吸収の平方メートルあたり25ワットの追加量を定量化しました.
- 雲の吸収は,エアロゾール効果とは異なり,季節と場所に関係して驚くほど不変であることが判明しました.
結論:
- 太陽放射線の吸収を向上させた雲は,地球のエネルギー予算の重要な要因です.
- この異常な吸収の物理的な原因は不明のままである.
- この発見は,現在の大気エネルギー予算モデルの見直しを必要とする.
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