Changing Atmospheric Blocking

改变大气阻挡

基本信息

  • 批准号:
    NE/I012230/1
  • 负责人:
  • 金额:
    $ 23.09万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Research Grant
  • 财政年份:
    2011
  • 资助国家:
    英国
  • 起止时间:
    2011 至 无数据
  • 项目状态:
    已结题

项目摘要

Atmospheric blocking has long been considered one of the key weaknesses of numerical weather and climate models. Many climate scientists are concerned that models are not able to accurately simulate blocking events, and yet if there were to be a change in blocking behaviour this would have a large impact on regional climate. Persistent blocking anticyclones lead to extreme heatwaves and drought in summer and extended cold spells in winter. Such events have been instrumental in leading to several recent extreme seasons in Europe. This project will provide a comprehensive assessment of how well blocking is simulated in state of the art climate models. We will evaluate the ability of the models to reproduce the occurrence of blocking that we see in observations, and we will also for the first time provide a diagnosis of which timescales are responsible for any model biases that we find. Based on the projections of the different climate models we will produce an assessment of how blocking may change in response to future greenhouse gas forcing, and how much confidence we should have in these projections. For Europe, conclusions will be drawn for the likely future occurrence of extreme heatwaves and drought in summer and cold spells in winter.
长期以来,大气阻塞一直被认为是数值天气和气候模式的主要弱点之一。许多气候科学家担心,模型无法准确模拟阻塞事件,但如果阻塞行为发生变化,这将对区域气候产生重大影响。持续的阻塞反气旋导致夏季极端热浪和干旱,冬季持续寒冷。这些事件是导致欧洲最近几个极端季节的重要因素。该项目将提供一个全面的评估,以及阻塞是如何模拟在国家的最先进的气候模式。我们将评估模型再现我们在观察中看到的阻塞发生的能力,我们还将首次提供对我们发现的任何模型偏差负责的时间尺度的诊断。根据不同气候模型的预测,我们将评估阻塞如何响应未来温室气体强迫而变化,以及我们对这些预测应该有多大的信心。对于欧洲,将得出未来可能发生的夏季极端热浪和干旱以及冬季寒冷的结论。

项目成果

期刊论文数量(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Winter and Summer Northern Hemisphere Blocking in CMIP5 Models
  • DOI:
    10.1175/jcli-d-12-00466.1
  • 发表时间:
    2013-09
  • 期刊:
  • 影响因子:
    4.9
  • 作者:
    G. Masato;B. Hoskins;T. Woollings
  • 通讯作者:
    G. Masato;B. Hoskins;T. Woollings
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Brian Hoskins其他文献

WORLD METEOROLOGICAL ORGANIZATION Weather Research in Europe A THORPEX European Plan
世界气象组织欧洲天气研究 THORPEX 欧洲计划
  • DOI:
  • 发表时间:
    2010
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Version;G. Craig;E. Richard;D. Richardson;D. Burridge;Sarah Jones;F. Atger;M. Ehrendorfer;M. Heikinheimo;Brian Hoskins;A. Lorenc;J. Methven;T. Paccagnella;J. Pailleux;F. Rabier;M. Roulston;R. Saunders;R. Swinbank;S. Tibaldi;H. Wernli;M. Ambaum;N. Bowler;Jim Caughey;A. Challinor;A. Charlton;R. Cornforth;H. Dacre
  • 通讯作者:
    H. Dacre

Brian Hoskins的其他文献

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{{ truncateString('Brian Hoskins', 18)}}的其他基金

Understanding African Easterly Waves and their Predictability: a moist singular vector appraoch
了解非洲东风波及其可预测性:湿奇异矢量方法
  • 批准号:
    NE/D010993/1
  • 财政年份:
    2006
  • 资助金额:
    $ 23.09万
  • 项目类别:
    Research Grant

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Causes and impacts of Greenland atmospheric Blocking changes
格陵兰岛大气阻塞变化的原因和影响
  • 批准号:
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P2C2: Tropical Pacific Influences on Atmospheric Blocking across Climates
P2C2:热带太平洋对跨气候大气阻塞的影响
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大气阻塞动态:持续、重新强化以及与其他天气系统的相互作用
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    2439576
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Dynamics and predictability of atmospheric blocking occurrence
大气阻塞发生的动力学和可预测性
  • 批准号:
    18K03734
  • 财政年份:
    2018
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AGS-PRF: Atmospheric Blocking Variability Associated with the Madden-Julian Oscillation in Present and Future Climates
AGS-PRF:当前和未来气候中与马登-朱利安振荡相关的大气阻塞变化
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  • 财政年份:
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Atmospheric Blocking: Dynamics and Responses to Climate Change
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  • 财政年份:
    2016
  • 资助金额:
    $ 23.09万
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Decadal Variability in the North Atlantic Extra-Tropics: The Role of Coupling Between Atmospheric Blocking and the Atlantic Multidecadal Oscillation
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The predictability of atmospheric blocking in global ensemble prediction systems
全球集合预测系统中大气阻塞的可预测性
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    197372983
  • 财政年份:
    2011
  • 资助金额:
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  • 项目类别:
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Observational and numerical study on the generation and maintenance mechanism of atmospheric blocking
大气阻塞产生与维持机制的观测与数值研究
  • 批准号:
    23540515
  • 财政年份:
    2011
  • 资助金额:
    $ 23.09万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Geometrical Structure of Atmospheric Models and the Dynamical Basis of Weather Regimes and Blocking
大气模型的几何结构以及天气状况和阻塞的动力学基础
  • 批准号:
    06640560
  • 财政年份:
    1994
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