Collaborative Research: Atlantic Air-Sea Fluxes from Satellites, Their Variability and Analysis of Ocean Models

合作研究：来自卫星的大西洋海气通量、其变异性和海洋模型分析

• 批准号: 0631685
• 负责人: Rachel Pinker
• 金额: $ 50.96万
• 依托单位: University of Maryland, College Park
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2006
• 资助国家: 美国
• 起止时间: 2006-12-01 至 2010-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0631685&HistoricalAwards=false
• 关键词: Collaborative; Research; Atlantic; Air; Sea

This study will lead to the construction of a data-based estimate of the net surface heat flux for the Atlantic sector (45S-45N) for the years 1992-current and a corresponding examination of the ocean mixed layer heat budget. It will rely primarily on satellite data to detect sub-monthly to daily fluctuations at oceanic meso-scale. Interactions between fluctuating surface heating and Sea Surface Temperature (SST) have been implicated as a primary cause in tropical Atlantic variability, the ocean's role in the North Atlantic Oscillation, decadal changes in storm production, as well as in decadal-centennial climate change. Understanding of the relationship between variations in heat flux and mixed layer properties on short sub-monthly timescales is limited partly because of the lack of heat flux estimates. This study provides observational estimates of key processes known to be involved in regulating the earth's climate as well as new information about processes for which our understanding is limited. These estimates will be made substantially independently of models or in situ observations, and therefore can be used for comparison and calibration. The PIs will compare their individual flux terms to independent estimates provided by a number of flux mooring sites in different regimes. Broader Impacts. The research will be a challenging scientific problem and will be the basis of at least one dissertation. A byproduct of this work will be familiarity with multi-spectral geostationary data in advance of the launch of such a U.S. satellite. This should allow the PIs to contribute to the improvement of future satellite designs. Interaction with the public will involve presentations through the University of Maryland's outreach activities and through the Internet. The University of Maryland team participates in programs that promote advancement of underrepresented groups. The Miami and Corpus Christi universities have several student interns from minority-serving institutions year around.

这项研究将导致建立一个基于数据的1992-海流年大西洋扇区（45S-45N）表面净热通量的估计，并对海洋混合层热收支进行相应的审查。它将主要依靠卫星数据来探测海洋中尺度的次月至日波动。波动的地表加热和海表温度之间的相互作用已被认为是热带大西洋变率、海洋在北大西洋涛动中的作用、风暴产生的年代际变化以及十年-百年气候变化的主要原因。对短次月时间尺度上热通量变化与混合层性质之间关系的理解有限，部分原因是缺乏热通量估算。这项研究提供了对已知参与调节地球气候的关键过程的观测估计，以及关于我们了解有限的过程的新信息。这些估计将在很大程度上独立于模式或现场观测进行，因此可用于比较和校准。pi将把它们各自的通量项与不同制度下若干通量系泊点提供的独立估算值进行比较。更广泛的影响。该研究将是一个具有挑战性的科学问题，并将是至少一篇论文的基础。这项工作的一个副产品将是在发射这样一颗美国卫星之前熟悉多光谱地球同步数据。这应该允许pi对未来卫星设计的改进做出贡献。与公众的互动将包括通过马里兰大学的外展活动和通过互联网进行演讲。马里兰大学的团队参与了促进弱势群体发展的项目。迈阿密大学和科珀斯克里斯蒂大学每年都有几名来自少数族裔服务机构的实习生。