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| 題名: | Large variability of the Kuroshio at 23.75�N east of Taiwan |
| 作者: | 錢樺;Jan, Sen;Yang, Yiing Jang;Wang, Joe;Mensah, Vigan;Kuo, Tien-Hsia;Chiou, Ming-Da;Chern, Ching-Sheng;Chang, Ming-Huei;Chien, Hwa |
| 貢獻者: | 地球科學學院水文與海洋科學研究所 |
| 關鍵詞: | Cruises;Geophysics;Geostrophic transport;Heat transport;Hydrographic data;Hydrography;Kuroshio;Ocean currents;Polls & surveys;Salt advection;ship survey;Ships;Surveys;Transport;Variability;Velocity;velocity profile;volume transport;Water masses |
| 日期: | 2015-03-01 |
| 上傳時間: | 2026-04-23 11:08:07 (UTC+8) |
| 出版者: | Wiley-Blackwell;Washington: Blackwell Publishing Ltd |
| 摘要: | 摘要： AbstractSynoptic features of the Kuroshio at 23.75°N were quantified using nine ship‐based surveys between September 2012 and September 2014. The new ship‐based data set provides an unprecedented view of the Kuroshio east of Taiwan and suggest tremendous variability in its velocity, hydrography, volume, heat, and salt transports, and water masses. The Kuroshio maximum velocity varied in 0.7–1.4 m s−1; the core current width, delineated with the limit v ≥ 0.2 m s−1, ranged from 85 to 135 km, and the thickness varied from 400 to 600 m. A dual velocity maximum in the Kuroshio core current, though unexpected, was observed in three of nine cruises. The Kuroshio core transport, integrated from the directly measured velocity, varied between 10.46 and 22.92 Sv (1 Sv=106 m3 s−1). The corresponding heat transport referenced to 0°C was 0.838–1.793 × 1015 W, and the salt transport was 345.0–775.9 × 106 kg s−1. The geostrophic transport estimated using the thermal wind relation with the observed hydrographic data and reference velocity at 900 m is comparable to the directly measured Kuroshio transport during most of the surveys, suggesting the directly measured velocity is mostly in geostrophic balance.
其他題名： J. Geophys. Res. Oceans
出版者： Washington: Blackwell Publishing Ltd
出版日期： 2015-03
出處： Journal of Geophysical Research: Oceans, 2015-03, Vol.120 (3), p.1825-1840
資源來源： Wiley Online Library Journals
版權： 2015. American Geophysical Union. All Rights Reserved.
識別號： ISSN: 2169-9275
識別號： ISSN: 2169-9291
識別號： EISSN: 2169-9291
識別號： DOI: 10.1002/2014JC010614 |
| 顯示於類別: | [水文與海洋科學研究所] 期刊論文
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