Seiches in Lutzow-Holm Bay, Antarctica
スポンサーリンク
概要
- 論文の詳細を見る
Sea-level oscillations induced by Sumatran earthquakes on 26 December 2004 and 28 March 2005 were analyzed using tide gauge data recorded in Lu¨tzow-Holm Bay, Antarctica. The oscillations continued for more than 2 days, with principal periods of about 1 and 3 h. The 3-h component was repeatedly excited by the 1-h component, resulting in alternations of the dominant period of oscillation. The dynamical modes of sea-level oscillations were calculated based on topographic data for Lu¨tzow-Holm Bay. The predominant periods of the long-lived sea-level oscillations were found to be similar to those of the waves of topographically constrained modes. The alternations in the dominant period of the oscillations may be interpreted as disturbances that were initially localized in a shallow region of the basin and subsequently expanded to the entire basin.
著者
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Nagano Akira
Ocean Research Institute, The University of Tokyo, 1-15-1 Minamidai, Nakano, Tokyo 164-8639, Japan.
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Michida Yutaka
Ocean Research Institute, The University of Tokyo, 1-15-1 Minamidai, Nakano, Tokyo 164-8639, Japan.
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Odamaki Minoru
Hydrographic and Oceanographic Department, Japan Coast Guard, 5-3-1 Tsukiji, Chuo-ku, Tokyo 104-0045
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Suzuki Kazunori
Hydrographic and Oceanographic Department, Japan Coast Guard, 5-3-1 Tsukiji, Chuo-ku, Tokyo 104-0045
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Ogata Jun
Hydrographic and Oceanographic Department, Japan Coast Guard, 5-3-1 Tsukiji, Chuo-ku, Tokyo 104-0045
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Michida Yutaka
Ocean Research Institute The University Of Tokyo 1-15-1 Minamidai Nakano Tokyo 164-8639 Japan.
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Michida Yutaka
Ocean Research Institute The University Of Tokyo
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Nagano Akira
Ocean Research Institute The University Of Tokyo 1-15-1 Minamidai Nakano Tokyo 164-8639 Japan.
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Ogata Jun
Hydrographic And Oceanographic Department Japan Coast Guard 5-3-1 Tsukiji Chuo-ku Tokyo 104-0045 Jap
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Odamaki Minoru
Hydrographic And Oceanographic Department Japan Coast Guard 5-3-1 Tsukiji Chuo-ku Tokyo 104-0045 Jap
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Ogata Jun
Hydrographic And Oceanographic Department Japan Coast Guard
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Nagano Akira
Ocean Research Institute The University Of Tokyo
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Suzuki Kazunori
Hydrographic And Oceanographic Department Japan Coast Guard 5-3-1 Tsukiji Chuo-ku Tokyo 104-0045 Jap
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Suzuki Kazunori
Hydrographic And Oceanographic Department Japan Coast Guard
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