Dynamics of the Termocline and the Large-Scale Circulation

9907271 Vallis这个项目是对大尺度和中尺度环流耦合动力学的理论和数值研究。理论和概念工作将基于两组耦合方程，即行星-地转(PG)方程和准地转(QG)方程。研究的第一部分重点分析了无中尺度涡旋影响的PG方程数值解中的亚极涡环流(与QG分量分离)。文中将考虑PG模式的双涡旋风压和浮力强迫解，并对其进行详细分析，并与现有的涡流理论进行比较。研究的第二和第三部分将继续对PG-QG耦合模式进行分析，并将重点放在中尺度和大尺度流动之间的相互作用上。

9907271 Vallis This project is a theoretical and numerical investigation into the coupled dynamics of the large- and meso-scale circulation.The theoretical and conceptual work will be based on two sets of coupled equations, the planetary- geostrophic (PG) and quasi-geostrophic (QG) equations. The first part of the study focuses on the analysis of the subpolar gyre circulation in numerical solutions of the PG equations without any effects of mesocale eddies (uncoupled from the QG component). Double-gyre wind- and buoyancy- forced solutions of the PG model will be considered, analyzed in detail, and compared to existing theories of the gyre regimes. The second and third parts of the study will continue with the analysis of the coupled PG-QG model and will focus on the interaction between the mesoscale and large-scale flows.