Tritium/He-3 and O-18 Measurements During ACCE

9531883 Schlosser 在这个项目中，PI将参加1997年春季的水文调查，作为大西洋环流和气候实验的一部分，这是美国对国际世界海洋环流实验的贡献。 调查将覆盖格陵兰和亚速尔群岛之间北大西洋次极地环流的中/东部盆地。 具体而言，PI将提供支持，收集和分析水样中氦-3、氚和氧-18的含量，以便利用它们研究水团的形成和循环。 具体的研究包括表层沃茨到中间深度的对流，海面变化到深层沃茨的传播，以及对流和表层淡水平衡的水源。 数据还将用于限制模型模拟的深水形成率，以及模拟的近地表信号进入深海的穿透率。

9531883 Schlosser In this project the PI will participate in the Spring, 1997 hydrographic survey as part of the Atlantic Circulation and Climate Experiment (ACCE), a U.S. contribution to the International World Ocean Circulation Experiment (WOCE). The survey will cover the central/eastern basin of the sub polar gyre in the North Atlantic between Greenland and the Azores. Specifically, the PI will provide support to collect and analyze water samples for their content of Helium-3, Tritium, and Oxygen- 18 in order to use them to study water mass formation and circulation. Specific studies include convection of surface waters to intermediate depth, communication of changes at the sea surface to the deep waters, and sources of water for convection and surface freshwater balance. Data will also be used to constrain model-simulated deep water formation rates, as well as simulated penetration of near-surface signals into the deep ocean.