| 摘要: |
| 利用1951—2016年CMA-STI热带气旋最佳路径数据集、美国气候预测中心CPC Nino3.4指数以及英国Hadley中心HadISST1海温资料，对影响我国热带气旋的强度变化特征及其与ENSO的关系进行了统计分析与相关性研究.结果表明，近年来影响我国热带气旋的强度总体呈上升趋势，其中强台风以及超强台风的强度上升趋势显著，现阶段影响我国的热带气旋正处于研究年限内的一个偏强时期，其强度仅次于20世纪50、60年代.在厄尔尼诺年的8月以及拉尼娜年的10月，热带气旋的强度特征指标较正常年增幅最大，其原因可能与ENSO事件年海水表面温度等海气要素的异常变化有关. |
| 关键词: 海洋气象学 热带气旋强度 累积气旋能量指数 ENSO 统计分析 |
| DOI：10.3969/J.ISSN.2095-4972.2018.03.001 |
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| 基金项目:国家重点研发计划资助项目（2017YFC0405401）；江苏省水利重点科技资助项目（2015006） |
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| Characteristics of intensity variation of tropical cyclones influenced China with relations of ENSO from 1951 to 2016 |
| LIU Ying-jing,CHEN Yong-ping,GAN Min,LI Jiang-xia |
| (College of Harbor Coastal and Offshore Engineering, Hohai University, Nanjing 210098, China) |
| Abstract: |
| Based on 1951—2016 the best Tropical Cyclone (TC) track dataset of CMA-STI, Nino3.4 Index from the American Climate Prediction Center (CPC) and HadISST1 sea surface temperature (SST) data from British Hadley Center, statistical analysis on the characteristics of intensity variation of different grade TC influenced China and their relations with ENSO were carried out. The results show that the intensity of above-grade TCs influenced China has being intensified, and the intensity of strong typhoons and super typhoons increase significantly in recent years. TCs influenced China were in the second strongest period only after 1950s-1960s during the study period. In August of El Nino years and October in La Nina years, the increasing intensity characteristic index of TC is the largest in the corresponding period of normal years, the reasons caused the events may be the anomalous changes of SST and other air-sea variables in the ENSO years. |
| Key words: marine meteorology tropical cyclone intensity accumulated cyclone energy (ACE) index ENSO statistical analysis |
