Roles of Regional Ocean-Atmosphere Coupling and Remote Forcing in Northwest Pacific Monsoon Variability

区域海气耦合和远程强迫在西北太平洋季风变化中的作用

基本信息

项目摘要

Summer is the rainy season for East Asia. The Meiyu-Baiu rain band, extending from the eastern flank of the Tibetan Plateau northeastward through Korea and Japan, is the single most important climate phenomenon of the region. The termination of this summer rain band in late July has been tied to the abrupt onset of tropical convection over the Northwest Pacific east of the Philippines, through a meridional dipole pattern of summer rainfall variability. The abrupt onset of Northwest Pacific convection remains unsolved with local sea surface temperature (SST) rising above 28 degrees C as early as in June. Effort under this project will investigate the hypothesis that the gradual moistening of the lower troposphere via shallow convection leads to a threshold behavior of abrupt convective onset over the tropical Northwest Pacific. During the satellite era starting 1979, interannual variability in tropical Northwest Pacific convection is well correlated with El Nino/Southern Oscillation (ENSO). Specifically, an anomalous anticyclonic circulation (AAC) forms and rainfall decreases over the tropical Northwest Pacific in post-El Nino summers. Through earlier studies a positive feedback has been identified due to interactions between the AAC and Indo-Northwest Pacific SST during summer when the southwest monsoonal winds prevail. We will investigate the mechanisms and predictability of this regional coupled mode. The correlation between the AAC and ENSO breaks down during half of the 20th century from the 1920s and 1970s. Weak ENSO amplitudes are considered to have caused the low correlation. This aspect as well as the role of random noise due to atmospheric internal variability will be explored critically. Locally, Northwest Pacific convection affects the U.S. affiliated Northern Mariana Islands and Guam. Remotely, it affects the South and East Asian monsoon regions, home to three billion people. This research will help improve seasonal forecast and climate change projection in the regions, thereby contributing to several ongoing international research programs. The project trains the next generation of climate scientists by including graduate students and postdocs in the research team, and by exposing them to international collaborations.
夏季是东亚的雨季。从青藏高原东侧向东北延伸,经过朝鲜和日本的梅雨-白乌雨带是该地区最重要的气候现象。今年夏季雨带在7月下旬的终止与菲律宾以东西北太平洋热带对流的突然爆发有关,通过夏季降雨变率的纬向偶极子模式。西北太平洋对流的突然爆发仍然没有解决,当地海表温度(SST)早在6月就上升到28摄氏度以上。本项目的工作将调查这样一种假设,即通过浅层对流逐渐增湿对流层低层导致热带西北太平洋上空突然对流开始的阈值行为。在1979年开始的卫星时代,热带西北太平洋对流的年际变化与厄尔尼诺/南方涛动(ENSO)有很好的相关性。具体而言,一个异常的反气旋环流(AAC)的形式和降水减少热带西北太平洋后厄尔尼诺的夏天。通过早期的研究,在夏季西南季风盛行时,由于AAC和印度-西北太平洋SST之间的相互作用,已经确定了一个正反馈。我们将探讨这种区域耦合模式的机制和可预测性。AAC和ENSO之间的相关性在20世纪20年代和70年代的世纪的一半时间里被打破。弱ENSO振幅被认为是造成低相关性的原因。这方面以及随机噪声的作用,由于大气内部的变化将进行严格的探讨。在当地,西北太平洋对流影响美国附属的北方马里亚纳群岛和关岛。在遥远的地方,它影响到南亚和东亚季风区,那里有30亿人。这项研究将有助于改善该地区的季节预报和气候变化预测,从而为几个正在进行的国际研究项目做出贡献。该项目通过将研究生和博士后纳入研究团队并让他们参与国际合作来培养下一代气候科学家。

项目成果

期刊论文数量(44)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Effects of tropical sea surface temperature variability on Northern Hemisphere tropical cyclone genesis
  • DOI:
    10.1175/jcli-d-21-0084.1
  • 发表时间:
    2021-08
  • 期刊:
  • 影响因子:
    4.9
  • 作者:
    Shuo Li;W. Mei;S. Xie
  • 通讯作者:
    Shuo Li;W. Mei;S. Xie
Ocean Warming Pattern Effect On Global And Regional Climate Change
  • DOI:
    10.1029/2019av000130
  • 发表时间:
    2020-03
  • 期刊:
  • 影响因子:
    8.4
  • 作者:
    S. Xie
  • 通讯作者:
    S. Xie
Pacific Decadal Oscillation: Tropical Pacific Forcing versus Internal Variability
  • DOI:
    10.1175/jcli-d-18-0164.1
  • 发表时间:
    2018-09
  • 期刊:
  • 影响因子:
    4.9
  • 作者:
    Yu Zhang;S. Xie;Y. Kosaka;Jun‐Chao Yang
  • 通讯作者:
    Yu Zhang;S. Xie;Y. Kosaka;Jun‐Chao Yang
Atlantic and Pacific tropics connected by mutually interactive decadal-timescale processes
  • DOI:
    10.1038/s41561-020-00669-x
  • 发表时间:
    2020-12-14
  • 期刊:
  • 影响因子:
    18.3
  • 作者:
    Meehl, Gerald A.;Hu, Aixue;Rosenbloom, Nan
  • 通讯作者:
    Rosenbloom, Nan
Atmospheric Internal Variability in the Summer Indo–Northwestern Pacific: Role of the Intraseasonal Oscillation
  • DOI:
    10.1175/jcli-d-19-0794.1
  • 发表时间:
    2020-03
  • 期刊:
  • 影响因子:
    4.9
  • 作者:
    Xudong Wang;S. Xie;Z. Guan
  • 通讯作者:
    Xudong Wang;S. Xie;Z. Guan
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Shang-Ping Xie其他文献

Leading the hiatus research surge
引领间歇期研究热潮
  • DOI:
    10.1038/nclimate2973
  • 发表时间:
    2016-03-24
  • 期刊:
  • 影响因子:
    27.100
  • 作者:
    Shang-Ping Xie
  • 通讯作者:
    Shang-Ping Xie
Changes in the North Pacific subtropical gyre under 1.5 °C low warming scenario
  • DOI:
    10.1007/s00382-020-05436-7
  • 发表时间:
    2020-08-26
  • 期刊:
  • 影响因子:
    3.700
  • 作者:
    Wen-Shan Ju;Shang-Min Long;Shang-Ping Xie;Guihua Wang;Yan Du
  • 通讯作者:
    Yan Du
A winter warm pool southwest of Hainan Island due to the orographic wind wake
海南岛西南部因地形风尾迹形成的冬季暖池
  • DOI:
    10.1029/2012jc008189
  • 发表时间:
    2012-08
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Guihua Wang;Shang-Ping Xie;Ren Zhang;Zhenyu Sun
  • 通讯作者:
    Zhenyu Sun
Subantarctic Mode Water and its long-term change in CMIP6 models
CMIP6模式中亚南极模态水及其长期变化
  • DOI:
    10.1175/jcli-d-21-0133.1
  • 发表时间:
    2021-09
  • 期刊:
  • 影响因子:
    4.9
  • 作者:
    Yu Hong;Yan Du;Xingyue Xia;Lixiao Xu;Ying Zhang;Shang-Ping Xie
  • 通讯作者:
    Shang-Ping Xie
Global energetics and local physics as drivers of past, present and future monsoons
全球能量学和局部物理学作为过去、现在和未来季风的驱动力
  • DOI:
    10.1038/s41561-018-0137-1
  • 发表时间:
    2018-05-31
  • 期刊:
  • 影响因子:
    16.100
  • 作者:
    Michela Biasutti;Aiko Voigt;William R. Boos;Pascale Braconnot;Julia C. Hargreaves;Sandy P. Harrison;Sarah M. Kang;Brian E. Mapes;Jacob Scheff;Courtney Schumacher;Adam H. Sobel;Shang-Ping Xie
  • 通讯作者:
    Shang-Ping Xie

Shang-Ping Xie的其他文献

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{{ truncateString('Shang-Ping Xie', 18)}}的其他基金

Collaborative Research: Dynamics of Seasonal Forecast Uncertainty: Cross-Basin Ocean-Atmosphere Interactions
合作研究:季节预报不确定性的动态:跨流域海洋-大气相互作用
  • 批准号:
    2105654
  • 财政年份:
    2021
  • 资助金额:
    $ 61.42万
  • 项目类别:
    Standard Grant
Collaborative Research: Interhemispheric and Zonal Asymmetries of the ITCZ
合作研究:ITCZ 的半球间和区域不对称性
  • 批准号:
    1934392
  • 财政年份:
    2020
  • 资助金额:
    $ 61.42万
  • 项目类别:
    Standard Grant
Collaborative Research: The Role of Ocean Dynamical Feedback and Air-Sea Interaction in the Climate Response to Global Warming
合作研究:海洋动力反馈和海气相互作用在全球变暖气候响应中的作用
  • 批准号:
    1249145
  • 财政年份:
    2013
  • 资助金额:
    $ 61.42万
  • 项目类别:
    Standard Grant
Mechanisms and Effects of Tropical Indian Ocean Variability
热带印度洋变化的机制和影响
  • 批准号:
    1305719
  • 财政年份:
    2012
  • 资助金额:
    $ 61.42万
  • 项目类别:
    Standard Grant
Mechanisms and Effects of Tropical Indian Ocean Variability
热带印度洋变化的机制和影响
  • 批准号:
    0854365
  • 财政年份:
    2009
  • 资助金额:
    $ 61.42万
  • 项目类别:
    Standard Grant
Ship-Board Atmospheric Sounding over the Kuroshio Extension: A Supplement to CLIVAR KESS
黑潮延伸区的船上大气探测:CLIVAR KESS 的补充
  • 批准号:
    0454390
  • 财政年份:
    2005
  • 资助金额:
    $ 61.42万
  • 项目类别:
    Continuing Grant
Mechanisms for the Northward Displacement of the Pacific Intertropical Convergence Zone (ITCZ)
太平洋热带辐合带(ITCZ)北移机制
  • 批准号:
    0104468
  • 财政年份:
    2001
  • 资助金额:
    $ 61.42万
  • 项目类别:
    Continuing Grant

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    2415521
  • 财政年份:
    2024
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Renewal: REU Site: From the Intertidal to the Deep Ocean: Monterey Bay Regional Ocean Science REU Program
更新:REU 地点:从潮间带到深海:蒙特利湾区域海洋科学 REU 计划
  • 批准号:
    2243999
  • 财政年份:
    2023
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    $ 61.42万
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Research Infrastructure: Mid-scale RI-1 (M1:IP): Creating an Offshore Subduction Zone Observatory in Cascadia with the Ocean Observatories Initiative Regional Cabled Array
研究基础设施:中型 RI-1 (M1:IP):通过海洋观测站计划区域电缆阵列在卡斯卡迪亚创建近海俯冲带观测站
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    Cooperative Agreement
Identifying Climate Model Biases in the Pattern of Ocean Warming and their Influence on Regional Climate Change
识别海洋变暖模式中的气候模型偏差及其对区域气候变化的影响
  • 批准号:
    2203543
  • 财政年份:
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    $ 61.42万
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RAPID: A Community Test of Distributed Acoustic Sensing on the Ocean Observatories Initiative Regional Cabled Array
RAPID:海洋观测站倡议区域有线阵列分布式声学传感的社区测试
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    2141047
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NSF 融合加速器轨道 E:区域气候变化预测,以实现蓝色经济的公平海洋规划
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    2137701
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Proposal for the Operation of Regional Class Research Vessel #3 in the Gulf of Mexico, Caribbean Sea, and southwestern Atlantic Ocean
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A Statistical Study of Indian Ocean Trade: Towards a Reappraisal of Regional Trade in Modern World History
印度洋贸易统计研究:重新评价世界现代史上的区域贸易
  • 批准号:
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    2019
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  • 项目类别:
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