North Brazil Current Ring Experiment Synthesis

该项目涉及对最近完成的北巴西洋流（NBC）环实验中几种类型数据的分析和综合。该实验的初步结果表明，这些大的海洋涡流可能在热带大西洋中携带大量的上层海洋经向物质输送。可用于此综合的数据包括RAFOS浮子和水面漂浮物轨迹，多次巡航的水文数据，来自海流计系泊和反向回声测深仪的数据。预计将把大部分注意力放在浮子和漂浮子数据以及水文资料上。分析的目的包括：描述分离后NBC环的物理结构；测定环向西北移动时的平移、混合和衰减率；确定NBC环在遇到安的列斯群岛时造成变形和破坏的过程；并确定环核中南大西洋水的命运。

0136477/FratantoniThis project involves the analysis and synthesis of several types of data from the recently completed North Brazil Current (NBC) Ring Experiment. Preliminary results from this experiment suggest that these large ocean eddies may carry a significant amount of upper ocean meridional mass transport in the tropical Atlantic Ocean. Data available for this synthesis include RAFOS float and surface drifter trajectories, hydrography from multiple cruises, data from current meter moorings and inverted echo sounders. It is expected that most attention will be given to the float and drifter data, together with the hydrography. The analysis has several aims including: describing the physical structure of NBC rings after separation; determining rates of translation, mixing and decay as rings move north-west; determining the processes responsible for deformation and destruction of NBC rings as they encounter the Antilles; and to identify the fate of the S. Atlantic water in ring cores.