| ZHANG Wenzhou,ZHUANG Xuefen,CHEN Chentung Arthur,HUANG Tinghsuan. 2015. The impact of Kuroshio water on the source water of the southeastern Taiwan Strait: numerical results. Acta Oceanologica Sinica, 34(9):23－34 |
| The impact of Kuroshio water on the source water of the southeastern Taiwan Strait: numerical results |
| 黑潮水对台湾海峡东南部源水的影响：数值结果 |
| Received:March 16, 2015 Revised:June 29, 2015 |
| DOI：10.1007/s13131-015-0720-x |
| Key words:Kuroshio water seasonal variation interannual variation Taiwan Strait |
| 中文关键词: 黑潮水，季节变化，年际变化，台湾海峡 |
| 基金项目: |
| Author Name | Affiliation | E-mail | | ZHANG Wenzhou | State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China
Coastal and Ocean Management Institute, Xiamen University, Xiamen 361102, China
Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, Xiamen University, Xiamen 361102, China | zwenzhou@xmu.edu.cn | | ZHUANG Xuefen | State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China
Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, Xiamen University, Xiamen 361102, China | | | CHEN Chentung Arthur | Department of Oceanography, National Sun Yat-sen University, Kaohsiung 80424, China
Institute of Marine Resources, Zhejiang University, Hangzhou 310058, China | | | HUANG Tinghsuan | Department of Oceanography, National Sun Yat-sen University, Kaohsiung 80424, China | |
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| Abstract: |
| Model output from a Pacific basin-wide three-dimensional physical-biogeochemical model during the period of 1991 to 2008 was used to investigate the impact of Kuroshio water on the source water of the southeastern Taiwan Strait. Based on the characteristic salinities of both Kuroshio water and the South China Sea water, a Kuroshio impact index (KII) was designed to measure the degree of impact. The KII correlates significantly with the northeast-southwest component of wind stress, but the former lags the latter by approximately two months. The correlation coefficient between them increases from 0.267 4 to 0.852 9, with a lag time increasing from 0 to 63 days. The impact of Kuroshio Water is greater in winter and spring than in summer and autumn. At the interannual time scale, El Niño and La Niña events play an important role in impacting the KII. During El Niño events, more Kuroshio water contributes to the source water of the southeastern Taiwan Strait. Conversely, during La Niña events, less Kuroshio water contributes to the source water. |
| 中文摘要: |
| 本文利用太平洋三维物理-生物化学耦合数值模型1991-2008年的模拟数据研究了黑潮水对台湾海峡东南部源水的影响。根据黑潮水和南海水的特征盐度，设计了一个黑潮影响指数，来衡量黑潮水的影响程度。黑潮影响指数与风应力的东北-西南分量显著相关，但前者相对后者滞后约两个月。当时间滞后从0变到63天时，它们之间的相关系数从0.2674上升到0.8529。黑潮水的影响冬春季大于夏秋季。在年际尺度上，厄尔尼诺和拉尼娜事件对黑潮影响指数起着重要作用。在厄尔尼诺期间，黑潮水对台湾海峡东南部源水的影响较大；相反在拉尼娜期间，黑潮水的贡献较小。 |
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