第17回 ESCセミナー
Wind ringing of the ocean in presence of mesoscale eddies
- 日時
- 2006年6月22日(木) 14:00-15:00
- 場所
- 横浜研究所 交流棟2階 小会議室1, 2
- 講演者
- Dr. Patrice Klein (IFREMER/Centre de Brest)
- 使用言語
- 英語
要旨
One important question raised by recent review studies (Wunsch and Ferrari, 2004) is the identification of the small-scale mixing processes in the ocean interior. Here we show that the inertial energy forced by the high-frequency winds at the surface, in presence of mesoscale eddies, can be a serious candidate for the mixing in the ocean interior. Indeed the relation between the inertial waves and the mesoscale and submesoscale eddies and filaments make this inertial energy to penetrate deep into the ocean interior. The result is the emergence of vertical velocity up to 100m/day at 3000m depth. The relevance of this mechanism is emphasized by the well-known remarkable coincidence of the atmospheric stormtracks and the oceanic regions of intensified mesoscale activities.
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