Impact of Surface-Cloud Coupling on Aerosol-Radiation- Cloud-Interactions for Boundary-layer Clouds over Land and Oceans

地面-云耦合对陆地和海洋边界层云气溶胶-辐射-云-相互作用的影响

基本信息

  • 批准号:
    2126098
  • 负责人:
  • 金额:
    $ 78.88万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2021
  • 资助国家:
    美国
  • 起止时间:
    2021-09-01 至 2024-08-31
  • 项目状态:
    已结题

项目摘要

The project seeks funding to investigate impacts of heating from the earth’s surface in transporting tiny particles (also called aerosols) and water vapor in the atmosphere upward to form clouds and precipitation as well as how aerosols and clouds affect the surface heating by blocking sunlight or the surface cooling by blocking the surface heat release---the process is called radiation. Aerosols are found mostly in the air layer of about 1 mile above the earth surface, which is also called the planetary boundary layer (PBL). Meteorology and the atmospheric environment in the PBL are of utmost importance to our lives. Interactions between aerosols/clouds and the earth’s surface are among the most uncertain factors in weather forecasting and climate studies. This project aims to improve understanding of some fundamental processes governing the interactions over both land and oceans. By examining the development of boundary-layer clouds and aerosol transport in the context of the surface-cloud coupling, this project will help advance our understanding of extreme weather, climate change, and air pollution, which are critical to the society. The research project will train young scientists to become the future generation of scientists and educators to understand and resolve problems facing weather forecasts.The overarching question of the proposed study is how aerosol-radiation interactions (ARI) and aerosol-cloud interactions (ACI) are affected by the coupling between clouds and the surface or the PBL for both continental and marine clouds. Because the coupling between clouds and the surface is expected to play an important role in regulating ARI and ACI, the project will sort out the boundary-layer processes dictated by the cloud-PBL-surface coupling. The study will test the hypotheses: (1) absorbing aerosols inhibit heat fluxes and the entrainment process of the PBL, suppressing convection initiation, and the development of continental cumulus clouds; (2) the fraction of surface cloud condensation nuclei reaching the marine cloud layer is lower under the decoupled condition, leading to markedly weaker ACI with weakened impacts on precipitation, whereas the opposite is the case for the coupled condition. Using comprehensive field observations, this project will investigate the impacts of ARI and ACI on the vertical distribution of heat fluxes, entrainment, and convection initiation for different surface-cloud coupling states. The project will also explore how the decoupling between clouds and the surface regulates aerosol vertical transport and how cloud micro- and macro-physical properties respond to the coupling state. These tasks will also help quantify the magnitudes of both individual and joint effects of ACI and ARI.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
该项目寻求资金,以研究地球表面的加热对大气中微小颗粒(也称为气溶胶)和水蒸气向上运输形成云和降水的影响,以及气溶胶和云如何通过阻挡阳光来影响地表加热或通过阻挡地表热量释放来影响地表冷却——这个过程被称为辐射。气溶胶主要存在于距地球表面约1英里的空气层,也被称为行星边界层(PBL)。PBL的气象和大气环境对我们的生活至关重要。气溶胶/云与地球表面之间的相互作用是天气预报和气候研究中最不确定的因素之一。这个项目旨在提高对控制陆地和海洋相互作用的一些基本过程的理解。通过研究边界层云和气溶胶运输在地表-云耦合背景下的发展,该项目将有助于提高我们对极端天气、气候变化和空气污染的理解,这些对社会至关重要。该研究项目将培养年轻科学家,使他们成为理解和解决天气预报面临的问题的下一代科学家和教育家。提出的研究的首要问题是气溶胶-辐射相互作用(ARI)和气溶胶-云相互作用(ACI)如何受到云与地面或大陆和海洋云的PBL之间耦合的影响。由于云与地面之间的耦合预计在调节ARI和ACI中发挥重要作用,因此该项目将整理由云- pbl -地面耦合决定的边界层过程。研究将验证以下假设:(1)吸收气溶胶抑制PBL的热通量和夹带过程,抑制对流的产生和大陆积云的发展;(2)在解耦条件下,表层云凝结核到达海洋云层的比例较低,导致ACI明显减弱,对降水的影响减弱,而在耦合条件下则相反。本项目将通过综合的野外观测,研究ARI和ACI对不同地表-云耦合状态下热通量垂直分布、夹带和对流起生的影响。该项目还将探索云与地面之间的解耦如何调节气溶胶的垂直输送,以及云的微观和宏观物理性质如何响应耦合状态。这些任务还将有助于量化急性呼吸道感染和急性呼吸道感染的个人和联合影响的程度。该奖项反映了美国国家科学基金会的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Methodology to determine the coupling of continental clouds with surface and boundary layer height under cloudy conditions from lidar and meteorological data
  • DOI:
    10.5194/acp-22-1453-2022
  • 发表时间:
    2022-01
  • 期刊:
  • 影响因子:
    6.3
  • 作者:
    T. Su;Youtong Zheng;Zhanqing Li
  • 通讯作者:
    T. Su;Youtong Zheng;Zhanqing Li
Surface‐Atmosphere Decoupling Prolongs Cloud Lifetime Under Warm Advection Due To Reduced Entrainment Drying
  • DOI:
    10.1029/2022gl101663
  • 发表时间:
    2023-05
  • 期刊:
  • 影响因子:
    5.2
  • 作者:
    Haipeng Zhang;Youtong Zheng;Seoung-Soo Lee;Zhanqing Li
  • 通讯作者:
    Haipeng Zhang;Youtong Zheng;Seoung-Soo Lee;Zhanqing Li
Aerosol-boundary layer interaction modulated entrainment process
  • DOI:
    10.1038/s41612-022-00283-1
  • 发表时间:
    2022-08
  • 期刊:
  • 影响因子:
    9
  • 作者:
    T. Su;Zhanqing Li;Youtong Zheng;Tong Wu;Hao Wu;Jianping Guo
  • 通讯作者:
    T. Su;Zhanqing Li;Youtong Zheng;Tong Wu;Hao Wu;Jianping Guo
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Zhanqing Li其他文献

The Dependence of TOA Reflectance Anisotropy on Cloud Properties Inferred from ScaRaB Satellite Data
TOA 反射率各向异性对从 ScaRaB 卫星数据推断的云特性的依赖性
  • DOI:
    10.1175/1520-0450(2000)039<2480:tdotra>2.0.co;2
  • 发表时间:
    2000
  • 期刊:
  • 影响因子:
    0
  • 作者:
    F. Chang;Zhanqing Li;A. Trishchenko
  • 通讯作者:
    A. Trishchenko
Synergistic applications of autonomous underwater vehicles and regional ocean modeling system in coastal ocean forecasting
自主水下航行器与区域海洋模拟系统在沿海海洋预报中的协同应用
  • DOI:
  • 发表时间:
    2008
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Yi Chao;Zhanqing Li
  • 通讯作者:
    Zhanqing Li
Air Quality over China
中国空气质量
  • DOI:
    10.3390/rs13173542
  • 发表时间:
    2021-09
  • 期刊:
  • 影响因子:
    5
  • 作者:
    Gerrit de Leeuw;Ronald van der A;Jianhui Bai;Yong Xue;Costas A. Varotsos;Zhanqing Li;Cheng Fan;Xingfeng Chen;J. Christodoulakis;Jieying Ding;Xuewei Hou;Georgios Kouremadas;Ding Li;Jing Wang;Marina Zara;Kainan Zhang;Zhanqing Li
  • 通讯作者:
    Zhanqing Li
BRDF/Albedo retrievals from the Terra and Aqua MODIS systems at 500-m spatial resolution and 10-day intervals
从 Terra 和 Aqua MODIS 系统以 500 米空间分辨率和 10 天间隔进行 BRDF/Albedo 反演
  • DOI:
    10.1117/12.558802
  • 发表时间:
    2004
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Yi Luo;A. Trishchenko;R. Latifovic;K. Khlopenkov;Zhanqing Li
  • 通讯作者:
    Zhanqing Li
Aerosol Direct Radiative Effects over China Based on Long-Term Observations within the Sun–Sky Radiometer Observation Network (SONET)
基于太阳天空辐射计观测网(SONET)长期观测的中国气溶胶直接辐射效应
  • DOI:
    10.3390/rs12203296
  • 发表时间:
    2020
  • 期刊:
  • 影响因子:
    5
  • 作者:
    Li Li;Zhanqing Li;Kaitao Li;Yan Wang;Qingjiu Tian;Xiaoli Su;Leiku Yang;Song Ye;Hua Xu
  • 通讯作者:
    Hua Xu

Zhanqing Li的其他文献

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{{ truncateString('Zhanqing Li', 18)}}的其他基金

Impact of Aerosol and Boundary-Layer Interactions on the Development of Convective Clouds
气溶胶和边界层相互作用对对流云发展的影响
  • 批准号:
    1837811
  • 财政年份:
    2018
  • 资助金额:
    $ 78.88万
  • 项目类别:
    Continuing Grant
Using Improved Aerosol Optical Thickness (AOT) and Cloud Condensation Nuclei (CCN) Relationship and Aerosol Composition to Study the Impact of Aerosol on Cloud Microphysics
利用改进的气溶胶光学厚度 (AOT) 和云凝结核 (CCN) 关系以及气溶胶成分来研究气溶胶对云微物理的影响
  • 批准号:
    1534670
  • 财政年份:
    2015
  • 资助金额:
    $ 78.88万
  • 项目类别:
    Continuing Grant
Travel Support for Young U.S. Career Scientists to the 6th International Conference on Atmosphere, Ocean and Climate Change; Hong Kong, China; August 19-21, 2013
为美国年轻职业科学家参加第六届大气、海洋和气候变化国际会议提供差旅支持;
  • 批准号:
    1340806
  • 财政年份:
    2013
  • 资助金额:
    $ 78.88万
  • 项目类别:
    Standard Grant
Converting AOT to CCN for Studying the Impact of Aerosol on Cloud and Precipitation
将 AOT 转换为 CCN 以研究气溶胶对云和降水的影响
  • 批准号:
    1118325
  • 财政年份:
    2011
  • 资助金额:
    $ 78.88万
  • 项目类别:
    Continuing Grant
Collaborative Research: Data Mining Support for Retrieval and Analysis of Geophysical Parameters
协作研究:数据挖掘支持地球物理参数检索和分析
  • 批准号:
    0611892
  • 财政年份:
    2006
  • 资助金额:
    $ 78.88万
  • 项目类别:
    Standard Grant
Collaborative Research: Demonstration of a New Framework for Studying Aerosol Indirect Effects
合作研究:研究气溶胶间接影响的新框架的示范
  • 批准号:
    0425069
  • 财政年份:
    2004
  • 资助金额:
    $ 78.88万
  • 项目类别:
    Continuing Grant

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