Assessing the Role of the Vortical Mode in the Small-Scale Dynamics of the Ocean: A Numerical Study

评估涡旋模式在海洋小尺度动力学中的作用：数值研究

• 批准号: 9416102
• 负责人: Marie-Pascale Lelong
• 金额: $ 1.8万
• 依托单位: NorthWest Research Associates, Incorporated
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1994
• 资助国家: 美国
• 起止时间: 1994-11-01 至 1996-04-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9416102&HistoricalAwards=false
• 关键词: Assessing; Role; Vortical; Mode; Small

9416102 Lelong The small-scale signal in the ocean is made up of internal gravity waves and three-dimensional turbulence. There is however, increasing evidence that another type of motion, which can account for the potential vorticity at this scales, is also present. The role of the small-scale potential vorticity component (also called "vortical") remain unclear. The objective of the present study is to assess the role of the vortical mode and its relative importance to the small scale dynamics. Numerical simulations will be performed to help observationalists to identify the different signatures expected of the vortical and wave components.

海洋中的小尺度信号由内部重力波和三维湍流组成。然而，越来越多的证据表明，另一种运动也存在，这种运动可以解释这种尺度上的潜在涡度。小尺度位涡分量（也称为“涡”）的作用仍不清楚。本研究的目的是评估涡旋模态的作用及其对小尺度动力学的相对重要性。将进行数值模拟，以帮助观测者识别不同的特征，预期的涡和波分量。