A Study on Variations of Kuroshio Axis and Its Influence on Local Atmosphere

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Project title

Code/計畫編號

MOST105-2611-M019-001

Translated Name/計畫中文名

臺灣東部海域黑潮流軸變動及其對大氣影響之研究

Project Coordinator/計畫主持人

Chung-Ru Ho

Funding Organization/主管機關

National Science and Technology Council

Department/Unit

Department of Marine Environmental Informatics

Website

https://www.grb.gov.tw/search/planDetail?id=11889302

Year

2016

Start date/計畫起

01-08-2016

Expected Completion/計畫迄

31-07-2017

Bugetid/研究經費

2031千元

ResearchField/研究領域

海洋科學

黑潮為北太平洋的西侧邊界流，它將水體與熱量從低緯度往高緯度區域運輸，其流軸與流幅的變化，對北半球的天氣甚至於氣候變動有著顯著的影響，尤其是臺灣附近海域，有必要對於其流域的變動性更深入的了解。台灣東部海域是海洋中尺度渦旋豐富區，也是颱風經常造訪之處。當中尺度渦旋與黑潮相遇或颱風越過黑潮，都會對黑潮的流軸、流幅，甚至於其水文特性造成影響。因此，本研究將以高解析度的衛星遙測資料及現場實測數據，探討台灣東部海域，黑潮流軸、流幅的變動，颱風與強降雨對黑潮水文特性的影響，及受黑潮變動影響的海水表面溫度變化對大氣的影響。The Kuroshio is a western boundary current in the North Pacific. It transports water and heat from low latitudes to high latitudes and affects the weather and climate of the Northern Hemisphere. To further understand variations of axis and width of the Kuroshio is very important, especially in the region adjacent to Taiwan. The ocean east of Taiwan is a rich zone of meso-scale eddy and is also a frequently visiting area of Typhoons. When eddies interact with the Kuroshio or typhoons pass over the Kuroshio, it would affect the path, transport and velocity, even characteristics of temperature and salinity of the Kuroshio. In this study, variations of Kuroshio axis and width east of Taiwan caused by eddy and typhoon will be investigated using satellite remotely-sensed data and in-situ measurements. The effects on Kuroshio surface properties by typhoons and heavy rainfall and the local atmospheric variations caused by the change of sea surface temperature will be also studies.

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A Study on Variations of Kuroshio Axis and Its Influence on Local Atmosphere

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