DYNamics and predictability of the Atlantic Meridional Overturning and Climate (DYNAMOC)

大西洋经向翻转和气候的动力学和可预测性 (DYNAMOC)

• 批准号: NE/M005097/1
• 负责人: Joel Hirschi
• 金额: $ 32.62万
• 依托单位: NATIONAL OCEANOGRAPHY CENTRE
• 依托单位国家: 英国
• 项目类别: Research Grant
• 财政年份: 2014
• 资助国家: 英国
• 起止时间: 2014 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=NE%2FM005097%2F1
• 关键词: DYNamics; predictability; Atlantic; Meridional; Overturning

The 'Atlantic Meridional Overturning Circulation', or AMOC, describes a large scale circulation of the North Atlantic Ocean which carries warm surface waters northward and cooler deeper waters southwards. This circulation carries huge amounts of heat, and variations in its strength can have a substantial influence on European climate. The DYNAMOC project aims to improve understanding of how this circulation has varied in the past and how it has affected climate, and also to assess the potential for useful predictions months to years ahead. DYNAMOC will make use of new advanced computer simulations and forecasting systems which are able to simulate the AMOC in unprecedented detail. It will also make use of the RAPID observations of the AMOC strength at 26 degrees North, available since 2004, as a benchmark for testing the models and predictions. The research will test some specific hypotheses about how the AMOC works, how it is changing now. It will investigate how a slow down or speed up in the AMOC affects summers and winters in the UK and other countries. DYNAMOC will provide an assessment of the likely behaviour of the AMOC, and its impacts on climate, over the next decade. It will also produce recommendations for improving forecasting systems in the future.DYNAMOC is a collaboration between the National Centre for Atmospheric Science at the University of Reading, the National Oceanography Centre and the UK Met Office.

“大西洋经向翻转环流”，或AMOC，描述了北大西洋的一个大规模环流，它将温暖的表层沃茨向北输送，将较冷的深层沃茨向南输送。这种环流携带着大量的热量，其强度的变化会对欧洲的气候产生重大影响。DYNAMOC项目旨在提高对这种环流在过去如何变化以及如何影响气候的理解，并评估未来数月至数年有用预测的潜力。DYNAMOC将利用新的先进计算机模拟和预测系统，能够以前所未有的细节模拟AMOC。它还将利用自2004年以来对北纬26度AMOC强度的快速观测，作为测试模型和预测的基准。这项研究将测试一些关于AMOC如何工作的具体假设，它现在是如何变化的。它将调查AMOC的减速或加速如何影响英国和其他国家的夏季和冬季。DYNAMOC将提供未来十年AMOC可能行为及其对气候影响的评估。DYNAMOC是阅读大学国家大气科学中心、国家海洋学中心和英国气象局之间的合作项目。

项目成果

Drivers of exceptionally cold North Atlantic Ocean temperatures and their link to the 2015 European heat wave

• DOI: 10.1088/1748-9326/11/7/074004
• 发表时间: 2016-07-01
• 期刊: ENVIRONMENTAL RESEARCH LETTERS
• 影响因子: 6.7
• 作者: Duchez, Aurelie;Frajka-Williams, Eleanor;Hirschi, Joel J-M
• 通讯作者: Hirschi, Joel J-M

Major variations in subtropical North Atlantic heat transport at short (5 day) timescales and their causes: VARIATIONS IN OCEAN HEAT TRANSPORT

短时间尺度（5 天）副热带北大西洋热传输的主要变化及其原因：海洋热传输的变化

• DOI: 10.1002/2016jc011660
• 发表时间: 2016
• 期刊: Journal of Geophysical Research: Oceans
• 作者: Moat, B. I.;Josey, S. A.;Sinha, B.;Blaker, A. T.;Smeed, D. A.;McCarthy, G. D.;Johns, W. E.;Hirschi, J. J.-M.;Frajka-Williams, E.;Rayner, D.
• 通讯作者: Rayner, D.

The North Atlantic subpolar circulation in an eddy-resolving global ocean model

• DOI: 10.1016/j.jmarsys.2014.10.007
• 发表时间: 2015-02-01
• 期刊: JOURNAL OF MARINE SYSTEMS
• 影响因子: 2.8
• 作者: Marzocchi, Alice;Hirschi, Joel J. -M.;Coward, Andrew C.
• 通讯作者: Coward, Andrew C.

Ocean precursors to the extreme Atlantic 2017 hurricane season.

2017 年大西洋极端飓风季节的海洋前兆。

• DOI: 10.1038/s41467-019-08496-4
• 发表时间: 2019
• 期刊: Nature communications
• 影响因子: 16.6
• 作者: Hallam S

Loop Current Variability as Trigger of Coherent Gulf Stream Transport Anomalies

• DOI: 10.1175/jpo-d-18-0236.1
• 发表时间: 2019-08-01
• 期刊: JOURNAL OF PHYSICAL OCEANOGRAPHY
• 影响因子: 3.5
• 作者: Hirschi, Joel J. -M.;Frajka-Williams, Eleanor;Madec, Gurvan
• 通讯作者: Madec, Gurvan