Spatiotemporal variations of the surface Kuroshio east of Taiwan Island derived from satellite altimetry data

齐继峰; 尹宝树; 徐振华; 李德磊

doi:10.1007/s00343-018-6314-7

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Spatiotemporal variations of the surface Kuroshio east of Taiwan Island derived from satellite altimetry data

Updated：2023-04-13

- Spatiotemporal variations of the surface Kuroshio east of Taiwan Island derived from satellite altimetry data
- Spatiotemporal variations of the surface Kuroshio east of Taiwan Island derived from satellite altimetry data
- 海洋湖沼学报（英文） 2018年36卷第1期页码：77-91
- Affiliations：
  
  1.Key Laboratory of Ocean Circulation and Waves, Institute of Oceanology, Chinese Academy of Sciences and Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
  2.University of Chinese Academy of Sciences, Beijing 100049, China
- Author bio：
  
  YIN Baoshu, bsyin@qdio.ac.cn
- Funds：
  
  National Natural Science Foundation of China(41506020);the National Basic Research Program of China (973 Program)(2012CB956000);the National Natural Science Foundation of China(41476019);the National Natural Science Foundation of China(41528601);the CAS Strategy Pioneering Program(XDA110020104);the National Natural Science Foundation of China(41421005);the NSFC-Shandong Joint Fund for Marine Science Research Centers(U1406401);the Key Program for International S & T Cooperation Projects:Sino-Australian Center for Healthy Coasts(2016YFE0101500);the Key Research Program of Frontier Sciences, CAS, Global Change and Air-Sea Interaction(GASI-03-01-01-02);the Public Science and Technology Research Funds Projects of Ocean(200905013-2)
- DOI：10.1007/s00343-018-6314-7
  中图分类号：
- 收稿：2016-12-01，
  
  录用：2017-1-17，
  
  网络首发：2017-02-22，
  
  纸质出版：2018-01
- Accepted：
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齐继峰, 尹宝树, 徐振华, 等. Spatiotemporal variations of the surface Kuroshio east of Taiwan Island derived from satellite altimetry data[J]. 海洋湖沼学报（英文）, 2018,36(1):77-91.

Jifeng QI, Baoshu YIN, Zhenhua XU, et al. Spatiotemporal variations of the surface Kuroshio east of Taiwan Island derived from satellite altimetry data[J]. Chinese Journal of Oceanology and Limnology, 2018, 36(1): 77-91.
齐继峰, 尹宝树, 徐振华, 等. Spatiotemporal variations of the surface Kuroshio east of Taiwan Island derived from satellite altimetry data[J]. 海洋湖沼学报（英文）, 2018,36(1):77-91. DOI： 10.1007/s00343-018-6314-7.

Jifeng QI, Baoshu YIN, Zhenhua XU, et al. Spatiotemporal variations of the surface Kuroshio east of Taiwan Island derived from satellite altimetry data[J]. Chinese Journal of Oceanology and Limnology, 2018, 36(1): 77-91. DOI： 10.1007/s00343-018-6314-7.

摘要

Abstract

Spatiotemporal variation of the surface Kuroshio east of Taiwan Island is investigated by quantitatively analyzing 23-year (1993-2015) sea surface Absolute Dynamic Topography data. The annual mean state of the Kuroshio is shown

with a flow width~136 km and surface transport~7.75×10

/s. The corresponding standard deviations of these are 28 km and 2.14×10

/s. Results of power spectrum analysis indicate that the primary periods of Kuroshio surface transport east of Taiwan Island are 1 and 2.8 years

respectively. Spatially

the Kuroshio surface transport southeast of Taiwan Island has greater variability than that to its northeast. That transport showed strong seasonality

with a maximum 8.8×10

/s in summer and minimum 7.5×10

/s in winter

which was mainly caused by local monsoon winds. A linear long-term upward trend of Kuroshio surface transport during 1993-2015 was found

during which the mean

southeast

and northeast of the Kuroshio east of Taiwan Island increased by 0.30×10

0.22×10

and 0.36×10

respectively. Correlation and composite analysis show that the Philippines-Taiwan Oscillation (PTO) is important in the interannual variability of the Kuroshio. PTO-induced relative intensity of anticyclonic and cyclonic eddies is the dominant influence on the interannual variability of the Kuroshio east of Taiwan Island.

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Keywords

references

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