The Relationship Between Lower North Atlantic Deep Water And Rapid Climate Change During Warm Marine Isotope Stages 1, 2, and 3

主题：博伊尔奖摘要科学摘要：本提案请求支持完成所有海洋同位素第三阶段(S/IS)事件和百慕大海隆活塞岩心的所有第五阶段深海特征(Cd/Ca)的高分辨率记录。Cd/Ca资料将被用来确定北大西洋深水气流的变化是否与S/IS事件有关，如果是，则确定S/SI事件与深水环流变化之间的位相关系。在百慕大隆起的岩心中可以找到适合研究温盐环流与S/SI事件联系的记录，因为沉积速率足够快(30 cm/1000年)，足以分辨单个I/IS事件，而底栖有孔虫足够丰富，可以通过S/IS事件连续测量Cd/Ca。

Subject: summary for Boyle awardScience Summary: This proposal requests support to complete a high-resolution record of deepwater characteristics (Cd/Ca) for all of the Marine Isotope Stage (MIS) 3 stadial/interstadial (S/IS) events and for all of MIS 5 in piston cores from the Bermuda Rise. The Cd/Ca data will be used to determine if changes in North Atlantic deep water flow are associated with S/IS events and if so, determine the phase relationships between the S/SI events and changes in deep water circulation. Records suitable for investigating the links between thermohaline circulation and S/SI events can be developed in cores from the Bermuda Rise because the accumulation rates are rapid enough (30cm/1000yrs) to resolve individual I/IS events and benthic foraminifers are abundant enough to allow continuous measurements of Cd/Ca through the S/IS events.