Projects in Climate Dynamics II

气候动力学 II 项目

• 批准号: 1122989
• 负责人: John Wallace
• 金额: $ 46.51万
• 依托单位: University of Washington
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2011
• 资助国家: 美国
• 起止时间: 2011-09-15 至 2017-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1122989&HistoricalAwards=false
• 关键词: Projects; Climate; Dynamics; II

Research conducted under this grant will address two broad areas in the field of climate dynamics. The first consists of identification and interpretations of the atmospheric variability pattern associated with MJO in terms of variability in thin cirrus clouds, aerosols and geochemical tracers. The second consists of an analysis of time varying patterns of sea surface temperature (SST), sea level pressure (SLP) and surface air temperature over land (SAT) to explore (1) the interrelations between the fields and in particular, the processes that shape the dominant patterns in the SST field, (2) a prominent pattern of wintertime SLP variability, with maximum amplitude over Eurasia, and (3) patterns of SAT and SLP variability whose time-varying indices project upon hemispheric and regional-mean temperatures. The second research area is of interest for understanding recent climate change and determining the anthropogenic contribution to it.The work will have broader impacts through the education of two graduate students. In addition, the work on climate change detection and attribution to anthropogenic or natural causes may benefit decision makers seeking to understand and respond to climate change and its impacts.

在这笔赠款下进行的研究将涉及气候动力学领域的两个大领域。第一项工作是根据薄卷云、气溶胶和地球化学示踪剂的可变性，确定和解释与MJO有关的大气可变性模式。第二部分包括分析海表面温度(SST)、海平面气压(SLP)和陆地表面气温(SAT)的时变模式，以探索(1)场之间的相互关系，特别是形成SST场主导模式的过程，(2)冬季SLP变率的显著模式，在欧亚大陆上空最大幅度，以及(3)SAT和SLP变率的时变指数投射到半球和区域平均温度上。第二个研究领域对理解最近的气候变化和确定人类活动对气候变化的贡献很有意义。这项工作将通过对两名研究生的教育产生更广泛的影响。此外，探测气候变化并将其归因于人为或自然原因的工作可能有利于寻求了解和应对气候变化及其影响的决策者。