Dynamics of the Antarctic Seasonal Ice Zone
南极季节性冰区的动态
基本信息
- 批准号:1543366
- 负责人:
- 金额:$ 82.67万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-04-15 至 2020-03-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The seasonal sea ice zone (SIZ) on the southern flank of the Antarctic Circumpolar Current is the region in which sea ice undergoes a massive seasonal cycle in its thickness and extent. The SIZ extends all the way around Antarctica and it is here that sea-ice manufacture and export leads to brine rejection and loss of buoyancy in the water column. In this way cold surface waters are preconditioned for subsequent convection, mixing and entrainment in coastal polynyas, under ice shelves and over the continental slope of Antarctica. The transformed (densified) waters ultimately make up Antarctic Bottom Water feeding the lower cell of the Southern Ocean (SO), connecting to the abyssal oceans. Despite the importance of the SIZ in driving the meridional circulation of the ocean-atmosphere climate system, its dynamics is not well observed, modeled or understood. This study seeks to model the fluid dynamics of the seasonal cycle of sea-ice formation in a strongly eddying region next to the continental shelf.The broad impacts of the research center upon the Antarctic being a system of such great importance to global ocean circulation, and to climate. The study intends to bring together theory, observations and models to address the contemporary problem of uptake of heat to the abyssal ocean, and will provide a challenging context for the education of graduate students and postdoctoral researchers in interdisciplinary science. The development of MITgcm, an open source ocean model used by many, will also continue.
南极绕极流南翼的季节性海冰区是海冰厚度和范围经历巨大季节循环的区域。SIZ一直延伸到南极洲周围,正是在这里,海冰的制造和出口导致盐水的排斥和水柱浮力的损失。这样,冷的表面沃茨就被预先调节,以便随后在冰架下和南极大陆坡上的沿海冰穴中对流、混合和夹带。转化(致密化)的沃茨最终形成南极底层水,为南大洋(SO)的下层细胞提供营养,并与深海相连。尽管SIZ在驱动海洋-大气气候系统的纬向环流方面具有重要意义,但其动力学尚未得到很好的观测、建模或理解。本研究试图模拟在大陆架附近的一个强涡旋区域海冰形成的季节性循环的流体动力学,研究中心对南极作为一个对全球海洋环流和气候如此重要的系统的广泛影响。这项研究旨在汇集理论、观测和模型,以解决深海吸收热量的当代问题,并将为跨学科科学研究生和博士后研究人员的教育提供一个具有挑战性的背景。MITgcm是一个许多人使用的开放源码海洋模型,其开发工作也将继续进行。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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John Marshall其他文献
Improving the Adequacy of the Rectal Examination in Gastroenterology
提高胃肠病学直肠检查的充分性
- DOI:
- 发表时间:
2008 - 期刊:
- 影响因子:9.8
- 作者:
John Marshall - 通讯作者:
John Marshall
Corneal surface temperature change as the mode of stimulation of the non-contact corneal aesthesiometer.
以角膜表面温度变化作为非接触式角膜感觉计的刺激方式。
- DOI:
10.1097/00003226-199905000-00016 - 发表时间:
1999 - 期刊:
- 影响因子:2.8
- 作者:
Paul J. Murphy;Philip B. Morgan;Sudi Patel;John Marshall - 通讯作者:
John Marshall
Fast, sensitive method for trisaccharide biomarker detection in mucopolysaccharidosis type 1
快速、灵敏的 1 型粘多糖贮积症三糖生物标志物检测方法
- DOI:
- 发表时间:
2018 - 期刊:
- 影响因子:4.6
- 作者:
Elina Makino;Helen Klodnitsky;J. Leonard;J. Lillie;T. Lund;John Marshall;J. Nietupski;P. Orchard;W. Miller;Clifford Phaneuf;D. Tietz;M. L. Varban;M. Donovan;Alexey Belenki - 通讯作者:
Alexey Belenki
Readiness for Change Predicts Outcomes of Functional Rehabilitation Following Motor Vehicle Accident
变革准备程度可预测机动车事故后功能康复的结果
- DOI:
- 发表时间:
2012 - 期刊:
- 影响因子:3.3
- 作者:
G. Tkachuk;John Marshall;Annalyn C. Mercado;B. Mcmurtry;Fern Stockdale - 通讯作者:
Fern Stockdale
Modulation of the spatiotemporal dynamics of striatal direct pathway neurons and motor output by mGluR5
mGluR5 对纹状体直接通路神经元和运动输出的时空动力学的调节
- DOI:
- 发表时间:
2023 - 期刊:
- 影响因子:0
- 作者:
John Marshall;Jian Xu;Nai;Seongsik Yun;Toshihiro Nomura;John Armstrong;Jones G Parker;A. Contractor - 通讯作者:
A. Contractor
John Marshall的其他文献
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{{ truncateString('John Marshall', 18)}}的其他基金
How does integrin alpha-v beta-6-dependent de-regulation of the stroma control alpha-v beta-6-dependent metastasis?
整合素 α-V β-6 依赖性基质失调如何控制 α-V β-6 依赖性转移?
- 批准号:
MR/W02537X/1 - 财政年份:2023
- 资助金额:
$ 82.67万 - 项目类别:
Research Grant
Collaborative Research: Coupling of Trade Winds with the Ocean's Subtropical Cells
合作研究:信风与海洋副热带环流的耦合
- 批准号:
2023520 - 财政年份:2020
- 资助金额:
$ 82.67万 - 项目类别:
Standard Grant
Collaborative Research: Quantifying the Residual Circulation of the Arctic Ocean
合作研究:量化北冰洋的剩余环流
- 批准号:
1603557 - 财政年份:2016
- 资助金额:
$ 82.67万 - 项目类别:
Standard Grant
FESD Type 1:The impact of the ozone hole on the climate of the Southern Hemisphere
FESD类型1:臭氧空洞对南半球气候的影响
- 批准号:
1338814 - 财政年份:2013
- 资助金额:
$ 82.67万 - 项目类别:
Continuing Grant
Multi-user, multi-centre MRI to reduce and refine the use of mice in cancer and trauma research
多用户、多中心 MRI,以减少和优化小鼠在癌症和创伤研究中的使用
- 批准号:
NC/L000954/1 - 财政年份:2013
- 资助金额:
$ 82.67万 - 项目类别:
Research Grant
Evolutionary rise of deep-rooting forests and enhanced chemical weathering: Quantitative investigations into the current paradigm
深根森林的进化崛起和化学风化的增强:对当前范式的定量研究
- 批准号:
NE/J00815X/1 - 财政年份:2012
- 资助金额:
$ 82.67万 - 项目类别:
Research Grant
Optimal trial design for a confined release of malaria-refractory transgenic mosquitoes
抗疟疾转基因蚊子有限释放的最佳试验设计
- 批准号:
MR/J012254/1 - 财政年份:2012
- 资助金额:
$ 82.67万 - 项目类别:
Fellowship
THE MID-PALAEOZOIC BIOTIC CRISIS: SETTING THE TRAJECTORY OF TETRAPOD EVOLUTION
中古生代生物危机:设定四足动物的进化轨迹
- 批准号:
NE/J021091/1 - 财政年份:2012
- 资助金额:
$ 82.67万 - 项目类别:
Research Grant
Collaborative Research Type 2 - MOBY: Modeling Ocean Variability and Biogeochemical Cycles
合作研究类型 2 - MOBY:模拟海洋变化和生物地球化学循环
- 批准号:
1048926 - 财政年份:2011
- 资助金额:
$ 82.67万 - 项目类别:
Standard Grant
Empty virus-like particles (eVLPs) as bio-compatible targeted drug-delivery vehicles
空病毒样颗粒(eVLP)作为生物相容性靶向药物递送载体
- 批准号:
BB/I002766/1 - 财政年份:2011
- 资助金额:
$ 82.67万 - 项目类别:
Research Grant
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