波打破波の分布は,海面の海面で分布している
W Kendall Melville1, Peter Matusov
1Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California 92093-0213, USA. kmelville@ucsd.edu
Nature
|May 3, 2002
まとめ
海と空間の交流に不可欠な海波の断裂は,新しい航空画像を通してよりよく理解されています. 波の断裂長さは風速を立方体で計測し,混合は低速,短波の断裂イベントによって支配されています.
科学分野:
- 海洋学 海洋学とは
- 流体力学 流体力学とは
- 大気科学 大気科学
背景:
- 表面波は,大気と海洋の質量,運動量,エネルギー交換に不可欠です.
- 重要な消散プロセスである波折れは,海空間の流れに影響するが,定量化されていない.
- 波の断裂を理解することは,気候と天候のモデリングに不可欠です.
研究 の 目的:
- 波折と関連した海面過程を定量化し,統計的に記述する.
- 風速と波線の突破面の特性との関係を調査する.
- 海洋表面の混合に影響を与える支配的な波破り特性を決定する.
主な方法:
- エア画像と高度な分析技術を活用して,波の破裂を記録し,研究した.
- 破波フロントとその速度の測定に関する統計分析を行いました.
- 波打破の影響を受ける海面面積を定量化した.
主要な成果:
- 面積単位あたりの波長の長さは,風速の立方体でスケールされます.
- 面積単位あたりのフロントの長さは,測定範囲内のフロント速度の指数関数に従います.
- 低速,短波長の波の破裂現象は,海面の混合した部分を支配する.
結論:
- この研究は,波の破裂のダイナミクスの新しい統計的記述を提供します.
- この発見は,正確な空海フルーツモデリングに不可欠な波折の定量化を改善します.
- 混合における異なる波破りスケールの役割を理解することは,気候科学にとって極めて重要です.
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