Deep Ocean Ventilation Through Antarctic Intermediate Layers: (DOVETAIL)

通过南极中间层的深海通风：（DOVETAIL）

基本信息

批准号：
0003423
负责人：
Laurence Padman
金额：
$ 7.63万
依托单位：
Earth and Space Research
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
2001
资助国家：
美国
起止时间：
2001-08-15 至 2003-07-31
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=0003423&HistoricalAwards=false
关键词：
Deep Ocean Ventilation Through Antarctic

项目摘要

0003423Padman The proposed project is the continuation of an analysis program of data obtained in the course of a multi-institutional integrated study of the outflow of newly formed bottom water from the Weddell Sea and its dispersion into the South Atlantic Ocean. That study was called Deep Ocean Ventilation Through Antarctic Intermediate Layers (DOVETAIL) and included six components involving hydrographic measurements, natural tracer experiments, and modeling studies. It was centered east of the Drake Passage where water masses from the Weddell Sea and the Scotia Sea come together in the Weddell-Scotia Confluence, and was carried out in cooperation with the national antarctic programs of Germany and Spain. The objectives of this continuation are to participate in the international data analysis effort, to construct an integrated regional data base, the organization of a special DOVETAIL journal issue, and the organization of a final scientific workshop. Ventilation of the deep ocean -- the rising of sub-surface water masses to the surface to be recharged with atmospheric gases and to give up heat to the atmosphere -- is a uniquely antarctic phenomenon that has significant consequences for global change by affecting the global reservoir of carbon dioxide, and by modulating the amount and extent of seasonal sea ice in the southern hemisphere.***

0003423PADMAN提议的项目是在进行多机构综合研究中获得的数据分析计划，该计划是对Weddell Sea及其分散到南大西洋的新形成的底水的流出的多机构综合研究。该研究被称为通过南极中间层（燕尾）的深海通风，其中包括六个涉及水文测量，天然示踪剂实验和建模研究的组件。它以德雷克通道（Drake Passage）的东部为中心，那里的水质量来自韦德尔海（Weddell Sea）和斯科舍省（Scotia Sea），在韦德尔 - 斯科特（Weddell-Scotia）汇合处一起出现，并与德国和西班牙的国家南极计划合作进行。这种延续的目标是参与国际数据分析工作，构建综合的区域数据库，特殊的燕尾杂志问题的组织以及最终科学研讨会的组织。深海的通风 - 地表水质量的上升到表面上，充满大气中的气体并给大气中的热量加热 - 是一种独特的南极现象，它通过影响二氧化碳的全球储层而对全球变化产生重大影响，并通过调整季节性的季节性冰层和南部冰上的境地。