| 冬季吕宋岛西温度锋的年际变化 |
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| 引用本文： | 孙瑞立,凌征,陈长霖,闫运伟. 冬季吕宋岛西温度锋的年际变化[J]. 海洋学报(英文版), 2015, 34(11): 102-108. DOI: 10.1007/s13131-015-0753-1 |
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| 作者姓名： | 孙瑞立 凌征 陈长霖 闫运伟 |
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| 作者单位： | 中国海洋大学 海洋环境学院 山东 青岛 266100;国家海洋局第二海洋研究所 卫星海洋环境动力学国家重点实验室 浙江 杭州 310012,国家海洋局第二海洋研究所 卫星海洋环境动力学国家重点实验室 浙江 杭州 310012,国家海洋局第二海洋研究所 卫星海洋环境动力学国家重点实验室 浙江 杭州 310012,国家海洋局第二海洋研究所 卫星海洋环境动力学国家重点实验室 浙江 杭州 310012 |
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| 基金项目： | The Distinguished Young Scholars of National Natural Science Foundation of China under contract Nos 41125019 and 41306024; the National Basic Research Program (973 Program) of China under contract No. 2013CB430301; the Basic Scientific Research Fund of Second Institute of Oceanography, State Oceanic Administration under contract No. JT1301; the National Natural Science Foundation under contract No. 41476002. |
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| 摘 要： | Interannual variability of thermal front west of Luzon Island during the winter of 1993–2013 is examined with the method of singular value decomposition(SVD) and a suite of satellite measurements in this paper. It is found that both the area and intensity of the thermal front west of Luzon Island show apparent interannual variability.Further study based on SVD shows that the interannual variability of the thermal front is highly associated with El Ni?o and Southern Oscillation(ENSO), and the correlation coefficient between Ni?o3.4 index and the first Principal Component(PC1) of thermal front can reach –0.65. The mechanism can be described as follows. In El Ni?o(La Ni?a) years, the East Asian winter monsoon(EAWM) is weakened(enhanced), inducing weaker(stronger) local wind stress curl(WSC) west of Luzon Island, and resulting in weakened(enhanced) Luzon cold eddy, which finally leads to the weakening(enhancement) of the thermal front.
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| 关 键 词： | 温度锋 年际变化 吕宋岛 厄尔尼诺 南海 |
| 收稿时间： | 2015-03-05 |
| 修稿时间： | 2015-05-26 |
Interannual variability of thermal front west of Luzon Island in boreal winter |
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| SUN Ruili,LING Zheng,CHEN Changlin and YAN Yunwei. Interannual variability of thermal front west of Luzon Island in boreal winter[J]. Acta Oceanologica Sinica, 2015, 34(11): 102-108. DOI: 10.1007/s13131-015-0753-1 |
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| Authors: | SUN Ruili LING Zheng CHEN Changlin YAN Yunwei |
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| Affiliation: | 1.College of Physical and Environmental Oceanography, Ocean University of China, Qingdao 266100, China;State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China2.State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China |
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| Abstract: | Interannual variability of thermal front west of Luzon Island during the winter of 1993-2013 is examined with the method of singular value decomposition (SVD) and a suite of satellite measurements in this paper. It is found that both the area and intensity of the thermal front west of Luzon Island show apparent interannual variability. Further study based on SVD shows that the interannual variability of the thermal front is highly associated with El Niño and Southern Oscillation (ENSO), and the correlation coefficient between Niño3.4 index and the first Principal Component (PC1) of thermal front can reach -0.65. The mechanism can be described as follows. In El Niño (La Ni.a) years, the East Asian winter monsoon (EAWM) is weakened (enhanced), inducing weaker (stronger) local wind stress curl (WSC) west of Luzon Island, and resulting in weakened (enhanced) Luzon cold eddy, which finally leads to the weakening (enhancement) of the thermal front. |
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| Keywords: | thermal front interannual variability Luzon Island ENSO South China Sea |
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