Laboratory Simulations of Cloud Processing of Smoke

烟雾云处理的实验室模拟

基本信息

  • 批准号:
    2218491
  • 负责人:
  • 金额:
    $ 49.99万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2022
  • 资助国家:
    美国
  • 起止时间:
    2022-08-01 至 2025-07-31
  • 项目状态:
    未结题

项目摘要

This project includes environmental chamber observations of multiphase smoke chemistry and the interactions of smoke with clouds. There currently exists an observational gap between laboratory experiments and field observations with regard to smoke plume chemistry. Substantial uncertainties remain with regards to how smoke plumes age and evolve and how aerosols emitted and produced during the evolution of smoke plumes interact with our climate. Understanding how smoke interacts with sunlight and with clouds is a critical part of making accurate climate projections.There are four primary objectives to this proposed work: (1) quantify dry aging and cloud processing effects on secondary organic aerosol formation and light absorption within smoke samples; (2) quantify these effects on smoke aerosol water uptake and semi-solid or liquid phase transition; (3) train and mentor 12 diverse undergraduate students; and (4) mentor and train a postdoctoral fellow teach at a primarily undergraduate institution (PUI). Most of the experiments will be conducted in the Chambre de Simulation Atmosphérique Multiphasique (CESAM) at the Université Paris Est – Créteil (UPEC) in France. They are expected to fill a gap in the current understanding of smoke aging and cloud interactions, particularly with regard to brown carbon and differences between chamber and field observation data. This research involves whole-smoke and fractional smoke experiments that include secondary organic aerosol dry aging, cloud processing, and pyrocumulus cloud processing.This effort includes a large number of undergraduate student researchers and provides them with substantial laboratory and international research experience.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.
该项目包括多相烟雾化学和烟雾与云的相互作用的环境室观测。目前,在烟羽化学方面,实验室实验和实地观测之间存在着观测差距。 关于烟羽如何老化和演变,以及烟羽演变过程中排放和产生的气溶胶如何与我们的气候相互作用,仍然存在很大的不确定性。了解烟雾与阳光和云的相互作用是进行准确气候预测的关键部分,这项工作的主要目标是:(1)量化干燥老化和云处理对烟雾样品中二次有机气溶胶形成和光吸收的影响;(2)量化这些对烟雾气溶胶水吸收和半固体或液体相变的影响;(3)培训和指导12名不同的本科生;(4)指导和培训一名博士后研究员,在一所以本科为主的机构(PUI)任教。大多数实验将在法国巴黎大学的多相大气模拟室(CESAM)进行。他们预计将填补空白,目前的理解烟雾老化和云的相互作用,特别是关于棕色碳和商会和现场观测数据之间的差异。这项研究涉及全烟雾和部分烟雾实验,包括二次有机气溶胶干老化,云处理,和热积云处理。这项工作包括大量的本科生研究人员,并为他们提供了大量的实验室和国际研究经验。该奖项反映了NSF的法定使命,并已被认为是值得支持的,通过评估使用基金会的智力价值和更广泛的影响审查标准。

项目成果

期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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David De Haan其他文献

David De Haan的其他文献

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{{ truncateString('David De Haan', 18)}}的其他基金

Collaborative Research: RUI: IRES-Track I: Brown Carbon Aerosol Formation by Photooxidation of Phenolic Compounds in Nanodroplets
合作研究:RUI:IRES-Track I:纳米液滴中酚类化合物光氧化形成棕色碳气溶胶
  • 批准号:
    1826593
  • 财政年份:
    2018
  • 资助金额:
    $ 49.99万
  • 项目类别:
    Standard Grant
RUI: Brown Carbon Aerosol Production in Polluted Environments: The Effects of Oxidants, SO2, and Sunlight on Aqueous-Phase Aldehyde Reactivity
RUI:污染环境中棕碳气溶胶的产生:氧化剂、SO2 和阳光对水相醛反应性的影响
  • 批准号:
    1523178
  • 财政年份:
    2015
  • 资助金额:
    $ 49.99万
  • 项目类别:
    Standard Grant
RUI: Secondary Organic Aerosol and Brown Carbon Formation from Aldehydes, Ammonium Salts, and Amines
RUI:醛、铵盐和胺形成的二次有机气溶胶和棕碳
  • 批准号:
    1129002
  • 财政年份:
    2011
  • 资助金额:
    $ 49.99万
  • 项目类别:
    Standard Grant
RUI: Secondary Organic Aerosol Formation by Cloud Processing of Alpha-Dicarbonyl and Amine Compounds
RUI:α-二羰基和胺化合物的云处理形成二次有机气溶胶
  • 批准号:
    0749145
  • 财政年份:
    2008
  • 资助金额:
    $ 49.99万
  • 项目类别:
    Continuing Grant
International Postdoctoral Fellows: Measurements and Modeling of the Atmospheric Chemistry of Chlorine Peroxide
国际博士后研究员:过氧化氯大气化学的测量和建模
  • 批准号:
    9401672
  • 财政年份:
    1994
  • 资助金额:
    $ 49.99万
  • 项目类别:
    Fixed Amount Award

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