Effects of Thermobaricity and T-S Variability on Large-Scale Ocean Dynamics

0217075工具将对现有的精细结构和微观结构数据进行分析。这些数据来自最近对海洋混合过程的两项调查：巴西盆地示踪剂释放实验和罗曼什断裂带环流研究，包括高分辨率剖面仪的垂直剖面观测和系泊海流计测量。这些数据中的几个信号将在科学文献中加以探讨、记录和介绍，这些文献涉及：（1）粗测水深以上深海中细尺度剪切和应变的性质以及相关的湍流耗散（在副热带和赤道），（2）洋中脊断裂内的流动，（3）赤道被困深急流场中湍流耗散的强度和空间分布;（4）远离赤道附近的热带纬度中层内波场和相关混合的强度。这两个项目的共同目标是增进对深海混合和深海底流输运的了解。

0217075 TooleAnalysis of existing finestructure and microstructure data will be conducted. The data, derived from two recent investigations of ocean mixing processes: the Brazil Basin Tracer Release Experiment and the study of Circulation in the Romanche Fracture Zone, consist of vertical profile observations from the High-Resolution Profiler and moored current meter measurements. Several signals in these data will be explored, documented, and presented in the scientific literature that address (1) the nature of the finescale shear and strain and the associated turbulent dissipation in the abyssal ocean above rough bathymetry (at subtropical latitudes and on the equator), (2) the flow within a mid-ocean ridge fracture, (3) the intensity and spatial distribution of turbulent dissipation in a field of equatorially trapped deep jets, and (4) the intensity of the mid-depth internal wave field and associated mixing at tropical latitudes away from the immediate vicinity of the equator. The projects are related by the common goal of improving understanding of mixing and diapycnal transport in the deep ocean.