サバルパインのバルサムシの木林における雲滴の堆積:水文学的および化学的インプット
まとめ
雲の水滴の影響は,アパラチア山脈北部のサブアルプスの森林に大きな影響を及ぼします. このプロセスは,大量の水と化学物質を投入し,大量の降水量を上回ります.
科学分野:
- 環境科学 環境科学
- 森林生態学 森林生態学 森林生態学
- 大気化学 大気化学
背景:
- アパラチア山脈北部のサブアルプス山脈の森林は,大気沈殿がかなり発生しています.
- 雲のドロップレットインパクションは,これらの生態系における水と化学物質の移転のための重要なメカニズムです.
- 堆積を正確に定量化することは,森林の健康状態と生地化学的サイクルを理解するために不可欠です.
研究 の 目的:
- アパラチア北部のサブアルプスの森林における水と化学物質の堆積を,雲の水滴のインパクトで定量化するために.
- マイクロ気象学,キャノピーの構造,および堆積量の推定のためのキャプチャ効率を統合した方法を開発し,適用する.
主な方法:
- 渦巻移転の微小気象学的測定を用いた.
- 森林の樹冠の詳細な構造表現を組み込みました.
- 雲の水滴の捕獲効率を実験的に導いた.
主要な成果:
- 雲からの水の輸入量は,総水積みの約46%と推定されています.
- 雲の水滴の衝突による化学物質の投入量は,大量の降水量の150%から430%の範囲であった.
- 開発された方法は,堆積過程の包括的な見積もりを提供しました.
結論:
- 雲のドロップレットインパクトは,サブアルプスの森林への水と化学物質の供給の主要な経路です.
- 森林の樹冠構造と乱流移転は,堆積率に大きな影響を与える.
- この研究は,これらの敏感な生態系の水学と化学における雲の重要な役割を強調しています.
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