The oceanic energy cascade to the submesoscale

海洋能量级联至亚中尺度

• 批准号: 311951-2010
• 负责人: Poulin, Francis
• 金额: $ 1.09万
• 依托单位: University of Waterloo
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2013
• 资助国家: 加拿大
• 起止时间: 2013-01-01 至 2014-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=526325
• 关键词: oceanic; energy; cascade; submesoscale

Ocean currents and atmospheric winds are inherently intertwined and have a strong impact on planktonic communities. Across the globe, winds drive the general circulation of the ocean providing it with energy on very large length-scales (on the order of 1000 km). This energy then cascades down to smaller and smaller length scales until it eventually dissipates. The mechanisms through which the ocean transfers energy through this vast range of scales are well understood at the two ends of the spectrum: the large scales where the motion is nearly two-dimensional and the small scale where the motion is fully three-dimensional. In-between the two, the intermediate scales, which are quasi-three dimensional, are more complex and not yet well understood. This research program aims to contribute to our understanding of how the energy in the ocean cascades down to these intermediate scales.

洋流和大气风本来就交织在一起，对海洋生物群落产生强烈影响。在整个地球仪上，风驱动着海洋的环流，为它提供了非常大的长度尺度（大约1000公里）的能量。 这种能量然后级联下降到越来越小的长度尺度，直到它最终消散。海洋通过这种巨大尺度传递能量的机制在光谱的两端都得到了很好的理解：运动几乎是二维的大尺度和运动完全是三维的小尺度。 在两者之间，中间尺度，这是准三维的，更复杂，尚未得到很好的理解。 这项研究计划旨在帮助我们了解海洋中的能量如何级联到这些中间尺度。