Wind-Driven Circulation Around Islands

将对岛屿周围风力环流进行数值和分析研究，包括评估“岛屿规则”的有效性。基于均质模式的经典海洋环流理论提供了对风力海流某些显著特征的洞察，例如向西增强。当在靠近北方的区域进行计算时，例如在北大西洋或北太平洋模式中，内部环流与西部边界层相连，其输送由整个盆地的净经向输送为零的条件决定。当一个大岛存在时，它也可能形成一个西部边界层（沿着它的东部海岸线）。本研究的主要目标是系统地确定岛屿附近风力驱动的定性环流方案，诊断相关动力学，评估岛屿规则的一般适用性，并进行有限数量的定性案例研究。预计《岛屿规则》将很好地近似于各种条件下的真实运输情况。

9520302 Pratt A numerical and analytical study will be undertaken of wind-driven circulation around islands, including evaluation of the validity of the 'Island Rule'. Classical ocean circulation theory based on homogeneous models has provided insight into certain striking features of wind-driven currents such as westward intensification. When the calculations are done in a domain closed to the north, such as in models of the North Atlantic or North Pacific, the interior circulation is joined to a western boundary layer whose transport is determined by the condition of zero net meridional transport across the entire basin. When a large island is present, it may also create a western boundary layer (along its eastern coastline). The main goals of the this research is to systematically determine the qualitative, wind-driven circulation schemes near islands, to diagnose the associated dynamics, to assess the general applicability of the Island Rule, and to perform a limited number of qualitative case studies. It is anticipated that the Island Rule will provide a good approximation to the true transport under a wide variety of conditions.