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特邀上海交通大学海洋研究院青年千人计划专家周磊研究员报告

作者:协同中心 · 发布时间:2017-3-23 15:52:24 · 浏览量:1872

报告题目:印度夏季风和中印度洋模态

 

报告时间: 2017年3月29日(星期三)上午10:00 

 

     报告地点:气象楼423 

 

主持人:刘飞教授 

摘要A Central Indian Ocean (CIO) mode is found to play a critical role in driving the heavy precipitation during the Indian summer monsoon (ISM). It is typically denoted with a combination of intraseasonal sea surface temperature (SST) anomalies and intraseasonal wind anomalies over the central Indian Ocean, and it preserves the mechanistic links among various dynamic and thermodynamic fields. Like a T-junction, it controls the propagation direction of the intraseasonal variabilities (ISVs) originating in the western Indian Ocean. During the ISM, the CIO mode creates an environment favorable for the northward-propagating mesoscale variabilities. Besides the intraseasonal variabilities, the CIO mode also has pronounced seasonal and interannual variabilities. The CIO mode is active during boreal summer, but suppressed during boreal winter. The seasonality is mainly attributable to the barotropic instability which is caused by the large meridional shear of zonal winds. The identification of the CIO mode deepens our understanding of the coupled monsoon system and brightens the prospects for better simulation and prediction of monsoonal precipitation in the affected countries. 

    报告人简介:

    周磊,上海交通大学海洋研究院研究员。在美国马里兰大学大气与海洋科学系获得博士学位。获得美国NOAA的全球与气候变化项目的资助,在美国哥伦比亚大学的Lamont-Doherty地学研究所进行两年多的博士后研究。周磊在热带印度洋上层的中尺度过程及热平衡过程,大气中的对流过程和季节内振荡的机理等方面都有丰富的研究经验。已在本专业国际一流刊物发表论文二十余篇。作为骨干成员参与国家973项目,基金委重大研究计划,基金委重点项目,并主持多项国家和海洋局研究项目。2011年作为国家海洋局高层次海洋骨干人才引进到海洋局二所工作。2012 年2月入选第二批国家“青年千人计划”。现在担任国际知名期刊Journal of Geophysical Research – Oceans的副编辑,美国地球物理学会(AGU)Honors and Recognition委员会委员,北太平洋海洋科学组织(PICES)物理海洋与气候委员会委员。 

 

 

 

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