摘要：
El Niño-Southern Oscillation (ENSO) displays apparent diversity under a changing climate. Changes in the ENSO characteristics may induce different teleconnections in the tropical oceans. Our recent studies detect that the Philippine Sea anomalous cyclone retreats eastward with the western Pacific rainfall anomaly distribution changing from a north-south tripole pattern to an east-west dipole pattern after the early 2000s. These changes are attributed to a change in ENSO properties and the associated Indo-Pacific sea surface temperature (SST) anomaly pattern. Before the early 2000s, slow-decaying ENSO events induce large SST anomalies in the North Indian Ocean during the following summer. The North Indian Ocean SST anomalies co-work with the opposite-sign SST anomalies in the tropical central Pacific, leading to a zonally extended anomalous lower-level cyclone (anti-cyclone) and an elongated rainfall anomaly band over the western Pacific. After the early 2000s, ENSO events have shortened period and weakened amplitude, and the eastern Pacific SST anomalies tend to undergo a phase transition from winter to summer. Consequently, the influence of ENSO on the Indian Ocean SST anomalies is weakened and the contribution of the North Indian Ocean SST anomalies to the western Pacific summer rainfall variability becomes insignificant in the recent decade.
个人简介：
何卓琪，女，博士，中国科学院南海海洋研究所副研究员。2009年和2011年于中山大学获得学士和硕士学位，2014年于香港中文大学获得博士学位。2014年任中国科学院南海海洋研究所助理研究员，2017年至今任中国科学院南海海洋研究所副研究员，2019年至今任广东省青年科学家协会会员，2020年至今任南方海洋科学与工程广东省实验室双聘科研骨干。主要从事热带海洋-大气相互作用、ENSO动力学、区域气候变化等方向的研究，重点关注全球变暖对热带多尺度变率的影响机理，研究成果发表论文15篇，SCI论文13篇，曾获得国家基金委、广州市科技计划等项目5项。
腾讯会议链接: https://meeting.tencent.com/dm/GUCjtWKgoaUX
会议ID：705 677 189
