Collaborative Research: Analysis and attribution of changes in Siberian hydroclimate and implications for the future

合作研究:西伯利亚水文气候变化的分析和归因及其对未来的影响

基本信息

  • 批准号:
    0909272
  • 负责人:
  • 金额:
    $ 17.52万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2009
  • 资助国家:
    美国
  • 起止时间:
    2009-09-01 至 2013-08-31
  • 项目状态:
    已结题

项目摘要

This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5). This work will document observed changes in the hydroclimatology of the Siberian region, attribute these changes to specific physical mechanisms in the context of climate change, and study the impact of those changes from the regional to the hemispheric weather and climate. The project will use observational analysis and modeling experiments to investigate the links between arctic sea ice trends and changes to seasonal snow cover. The autumn snow cover is of particular interest due to its persistent increases over the last two decades despite the robust warming trend and its connection to stratosphere-troposphere coupling and hemispheric variability in the subsequent winter season and that while fall snow cover has been increasing, spring snow cover has been decreasing. This work will explore the links to sea ice in terms of changes to moisture transport, synoptic activity, and soil moisture and the links to the large scale atmospheric dynamics in terms of changes to the timing and occurrence of stratosphere-troposphere coupling events. This will make it possible to evaluate better the feedback mechanisms associated with snow cover and the atmosphere, and should lead to a quantitative assessment of future trends in the Arctic. The likely influence of snow and ice cover on future global temperature trends highlights the importance of developing a fundamental understanding of regional surface-atmosphere water and energy exchange dynamics of the arctic regions. Observed data will include both remote sensing and station observations (snow cover extent of CPC/Rutgers University, snow depth, humidity and temperature data from the Russian Hydrometeorological network, and corrected precipitation) and data from NCEP/NCAR and ECMWF reanalyses. This work should result in an improved understanding of arctic climate feedback mechanisms, their association with observed past and modeled future trends, and their influence on weather and climate on a hemispheric scale.
该奖项是根据2009年美国复苏和再投资法案(公法111-5)资助的。这项工作将记录观测到的西伯利亚地区水文气候学变化,将这些变化归因于气候变化背景下的特定物理机制,并研究这些变化对区域天气和气候的影响。该项目将使用观测分析和模拟实验来调查北极海冰趋势和季节性积雪变化之间的联系。秋季积雪特别令人感兴趣,因为在过去20年里,尽管出现了强劲的变暖趋势,而且与随后冬季的平流层-对流层耦合和半球变率有关,但秋季积雪持续增加,而春季积雪一直在减少。这项工作将探讨海冰的水分输送,天气活动和土壤水分的变化方面的联系,并在平流层-对流层耦合事件的时间和发生的变化方面的大尺度大气动力学的联系。这将使人们能够更好地评估与积雪和大气层有关的反馈机制,并应导致对北极未来趋势的定量评估。冰雪覆盖对未来全球温度趋势的可能影响突出了对北极地区区域地表-大气层水和能量交换动态发展基本了解的重要性。观测数据将包括遥感和台站观测(CPC/Rutgers大学的积雪覆盖范围,俄罗斯水文气象网的积雪深度、湿度和温度数据,以及校正的降水量)以及NCEP/NCAR和ECMWF再分析数据。这项工作应导致更好地了解北极气候反馈机制,它们与观测到的过去和模拟的未来趋势的联系,以及它们对天气和气候的影响在半球尺度上。

项目成果

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Mathew Barlow其他文献

Recent Arctic amplification and extreme mid-latitude weather
近期北极放大与中纬度极端天气
  • DOI:
    10.1038/ngeo2234
  • 发表时间:
    2014-08-17
  • 期刊:
  • 影响因子:
    16.100
  • 作者:
    Judah Cohen;James A. Screen;Jason C. Furtado;Mathew Barlow;David Whittleston;Dim Coumou;Jennifer Francis;Klaus Dethloff;Dara Entekhabi;James Overland;Justin Jones
  • 通讯作者:
    Justin Jones
North American extreme temperature events and related large scale meteorological patterns: a review of statistical methods, dynamics, modeling, and trends
  • DOI:
    10.1007/s00382-015-2638-6
  • 发表时间:
    2015-05-22
  • 期刊:
  • 影响因子:
    3.700
  • 作者:
    Richard Grotjahn;Robert Black;Ruby Leung;Michael F. Wehner;Mathew Barlow;Mike Bosilovich;Alexander Gershunov;William J. Gutowski;John R. Gyakum;Richard W. Katz;Yun-Young Lee;Young-Kwon Lim;Prabhat
  • 通讯作者:
    Prabhat
The contribution of precipitation recycling to North American wet and dry precipitation extremes
降水再循环对北美干湿降水极端事件的贡献
  • DOI:
    10.1088/2752-5295/acffea
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    0
  • 作者:
    C. Skinner;Tyler S. Harrington;Mathew Barlow;L. Agel
  • 通讯作者:
    L. Agel
Response to Limited surface impacts of the January 2021 sudden stratospheric warming
对 2021 年 1 月平流层突然变暖有限地表影响的响应
  • DOI:
    10.1038/s41467-023-38772-3
  • 发表时间:
    2023-06-07
  • 期刊:
  • 影响因子:
    15.700
  • 作者:
    Judah Cohen;Laurie Agel;Mathew Barlow;Chaim I. Garfinkel;Ian White
  • 通讯作者:
    Ian White
North American extreme precipitation events and related large-scale meteorological patterns: a review of statistical methods, dynamics, modeling, and trends
  • DOI:
    10.1007/s00382-019-04958-z
  • 发表时间:
    2019-09-20
  • 期刊:
  • 影响因子:
    3.700
  • 作者:
    Mathew Barlow;William J. Gutowski;John R. Gyakum;Richard W. Katz;Young-Kwon Lim;Russ S. Schumacher;Michael F. Wehner;Laurie Agel;Michael Bosilovich;Allison Collow;Alexander Gershunov;Richard Grotjahn;Ruby Leung;Shawn Milrad;Seung-Ki Min
  • 通讯作者:
    Seung-Ki Min

Mathew Barlow的其他文献

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{{ truncateString('Mathew Barlow', 18)}}的其他基金

Collaborative Research: Structure and Influence of Coherent Vertical Pulses of Wave Activity Flux in Observations and Models, from Daily to Seasonal Timescales
合作研究:从每日到季节时间尺度的观测和模型中波浪活动通量的相干垂直脉冲的结构和影响
  • 批准号:
    1657921
  • 财政年份:
    2017
  • 资助金额:
    $ 17.52万
  • 项目类别:
    Standard Grant
Dynamics of Extreme Precipitation in the Northeast United States in Observations and Models
美国东北部极端降水动态的观测和模型
  • 批准号:
    1623912
  • 财政年份:
    2016
  • 资助金额:
    $ 17.52万
  • 项目类别:
    Standard Grant
Collaborative Research: A Precipitation Dipole in Eastern North America: Issues of Space-Time Variability and Physical Mechanisms
合作研究:北美东部的降水偶极子:时空变率和物理机制问题
  • 批准号:
    0811099
  • 财政年份:
    2008
  • 资助金额:
    $ 17.52万
  • 项目类别:
    Standard Grant
Empirical and Diagnostic Analysis of the Influence of the Madden Julian Oscillation on the Precipitation of Central and North America
马登朱利安涛动对中北美降水影响的实证与诊断分析
  • 批准号:
    0621237
  • 财政年份:
    2005
  • 资助金额:
    $ 17.52万
  • 项目类别:
    Continuing Grant
Collaborative Research: WCR: Hydrology of Central and Southwest Asia: Connections Between Regional Atmospheric Circulation and Large-scale Climate Variability
合作研究:WCR:中亚和西南亚水文学:区域大气环流与大范围气候变率之间的联系
  • 批准号:
    0603555
  • 财政年份:
    2005
  • 资助金额:
    $ 17.52万
  • 项目类别:
    Standard Grant
Empirical and Diagnostic Analysis of the Influence of the Madden Julian Oscillation on the Precipitation of Central and North America
马登朱利安涛动对中北美降水影响的实证与诊断分析
  • 批准号:
    0437253
  • 财政年份:
    2004
  • 资助金额:
    $ 17.52万
  • 项目类别:
    Continuing Grant
Collaborative Research: WCR: Hydrology of Central and Southwest Asia: Connections Between Regional Atmospheric Circulation and Large-scale Climate Variability
合作研究:WCR:中亚和西南亚水文学:区域大气环流与大范围气候变率之间的联系
  • 批准号:
    0233576
  • 财政年份:
    2003
  • 资助金额:
    $ 17.52万
  • 项目类别:
    Standard Grant

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