書誌事項
- タイトル別名
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- A STUDY ON THE THERMALLY-INDUCED CURRENTS IN LAKES
- ミズウミ ノ ネツ リュウドウ カテイ ニカンスルケンキュウ
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抄録
There are two current systems in a deep natural lake. The one is due to wind action and theother is a thermal process. The latter dominates seasonal variations of the heat and the water move-ment of the lake. Two kinds of currents in the thermal process of Lake Biwa, the circular currentsor the gyres in the North Basin and the dense bottom current from the South into the North Basinare chosen and simulated experimentally. These are the typical current systems in the heating andthe cooling season, respectively.The circular current proves to be a geostrophic density current with the densimetric Froudenumber of about 0.3. The topographic effects on the heating gyres are also discussed from the experi-ments. A development of Smiths' model is shown for the dense bottom current on the uniform slope.The results calculated from the modified Streamtube Model well descirbes the trajectories of densitycurrent close to the Biwa-ko Bridge in winter season.
収録刊行物
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- 京都大学防災研究所年報. B
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京都大学防災研究所年報. B 25 (B-2), 615-642, 1982-04-01
京都大学防災研究所
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詳細情報 詳細情報について
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- CRID
- 1050282677151678208
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- NII論文ID
- 120001113432
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- NII書誌ID
- AN00027784
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- ISSN
- 0386412X
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- HANDLE
- 2433/70510
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- NDL書誌ID
- 2447128
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- 本文言語コード
- ja
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- 資料種別
- departmental bulletin paper
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- データソース種別
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- IRDB
- NDL
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