Climate forcing of Atlantic overturning over the last 3 Myr

过去 3 马来西亚林吉特大西洋翻转的气候强迫

• 批准号: 0926735
• 负责人: Lorraine Lisiecki
• 金额: $ 31.71万
• 依托单位: University of California-Santa Barbara
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2009
• 资助国家: 美国
• 起止时间: 2009-09-01 至 2013-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0926735&HistoricalAwards=false
• 关键词: Climate; forcing; Atlantic; overturning; over

This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5).With this award the PI will test four hypotheses about what drives changes in the Atlantic overturning circulation on orbital timescales over the last 3 Ma. A dataset of more than sixty benthic oxygen isotope records and more than fifty carbon isotope records will be used to reconstruct detailed patterns of circulation change and link specific circulation responses with particular forcing mechanisms. This work will contribute to the understanding of which forcings are important drivers of circulation change and how overturning changes affect regional and global climate. Funds will support a PhD student. The PI is an early career female scientist with no prior funding from NSF.

该奖项是根据2009年美国复苏和再投资法案（公法111-5）资助的。有了这个奖项，PI将测试四种假设，即是什么驱动了大西洋在过去3 Ma的轨道时间尺度上翻转环流的变化。一个由60多个底栖氧同位素记录和50多个碳同位素记录组成的数据集将用于重建环流变化的详细模式，并将特定的环流响应与特定的强迫机制联系起来。这项工作将有助于了解哪些强迫是环流变化的重要驱动因素，以及颠覆性变化如何影响区域和全球气候。基金将支持一名博士生。PI是一名早期职业女性科学家，之前没有获得NSF的资助。