Inter-annual and decadal fluctuations of the Kuroshio in East China Sea and connection with surface fluxes of momentum and heat

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Title:	Inter-annual and decadal fluctuations of the Kuroshio in East China Sea and connection with surface fluxes of momentum and heat
Authors:	黃如瑤;Wang, Jia;Oey, Lie-Yauw
Contributors:	地球科學學院水文與海洋科學研究所
Keywords:	Altimetry;Annual;China;Climate;Coastal;Coastal zone;Coastal zones;Curl (vectors);decadal trend;East China Sea;Fluctuation;Fluctuations;Fluxes;Geophysics;Heat;Heat flux;Heat transfer;interannual variation;kuroshio;Loads (forces);Long-term changes;Marine;Momentum;Northeast;Ocean temperature;Offshore;Satellite altimetry;Satellites;Sea surface;Sea surface temperature;Surface fluxes;surface heat flux;Thermocline;Transport;Wind;Wind stress;Wind stress curl
Date:	2014-12-16
Issue Date:	2026-04-23 11:08:05 (UTC+8)
Publisher:	Wiley-Blackwell;Washington: Blackwell Publishing Ltd
Abstract:	摘要： Despite attempts in the literature to link large‐scale wind to long‐term variations of the Kuroshio in East China Sea (ECS), the driving mechanism(s) are unknown. Here we use satellite altimetry data, wind, surface heat fluxes and sea‐surface temperatures (SST) to explain the low‐frequency fluctuations of Kuroshio path (KP) in ECS. The dominant fluctuations occur northeast of Taiwan. The KP correlates best with the PTO index of Chang and Oey (2012), less with the PDO index and a Kuroshio transport index, and poorly with other climate indices. The forcing are wind stress curl and surface heat flux northeast of Taiwan, which produce a thermocline tilt along the Kuroshio. Shelf's SST warms and cools in response to onshore and offshore KP, but prominent change occurs at a localized coastal zone shoreward of the above dominant KP‐fluctuations. Over the past 2 decades, the KP has shifted onshore, coincident with a coastal warming trend. Key Points Kuroshio fluctuations NE Taiwan are forced by wind and surface heat fluxPTO rather than PDO is a good predictor of Kuroshio fluctuationsCoastal SST warming is closely tied to Kuroshio intrusion 其他題名： Geophys. Res. Lett 出版者： Washington: Blackwell Publishing Ltd 出版日期： 2014-12-16 出處： Geophysical research letters, 2014-12, Vol.41 (23), p.8538-8546 資源來源： Wiley Online Library 版權： 2014. American Geophysical Union. All Rights Reserved. 版權： 2015. American Geophysical Union. All Rights Reserved. 版權： Copyright Blackwell Publishing Ltd. Dec 2014 識別號： ISSN: 0094-8276 識別號： ISSN: 1944-8007 識別號： EISSN: 1944-8007 識別號： DOI: 10.1002/2014GL062118
Appears in Collections:	[Graduate Institute of Hydrological and Oceanic Sciences] journal & Dissertation

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