Identifying the Origins of Summertime Arctic Cloud Condensation Nuclei Using Online Fine Aerosol Composition Measurements

利用在线精细气溶胶成分测量确定夏季北极云凝核的起源

基本信息

  • 批准号:
    1738629
  • 负责人:
  • 金额:
    $ 41.43万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2017
  • 资助国家:
    美国
  • 起止时间:
    2017-09-01 至 2021-08-31
  • 项目状态:
    已结题

项目摘要

Clouds play a critical role in the radiation budget and climate of the Arctic, but the origin of the particles on which these cloud droplets form is a relative unknown. This research project will provide an opportunity to take specialized measurements of microscopic particles onboard an ice breaker in the Arctic Ocean. By understanding the sources of cloud particles, scientists will be better able to determine whether cloud conditions will change in a world with less sea ice, and thus improve long-term forecasts of climate in this critical part of the world. Education and outreach activities will also be conducted during the project, including an online photo blog during the research cruise.The research team will investigate the origin of fine particle aerosols and cloud condensation nuclei over the summertime high Arctic Ocean. Field measurements will be taken from the Swedish icebreaker Oden during August-September 2018. The Thermal Desorption Chemical Ionization Mass Spectrometer will be deployed to measure the composition of ambient size-resolved 10-200nm diameter aerosols, targeting the accumulation, Aitken and nucleation modes. Total ambient sub-micron aerosols will also be collected using a Particle into Liquid Sampler (PILS) and subsequently analyzed offline. The goal of the project is to measure the relative contributions to Arctic aerosol of biogenic polysaccharide material, sea salt, other organics, and other salts, on a size-resolved basis. A successful project would result in determining what processes are responsible for aerosols of different sizes, which would lead to the ability to infer the most important CCN sources in the region.
云在北极的辐射收支和气候中起着至关重要的作用,但这些云滴形成的粒子的来源相对未知。 该研究项目将提供一个机会,对北冰洋破冰船上的微观颗粒进行专门测量。 通过了解云粒子的来源,科学家将能够更好地确定在海冰较少的世界中云的条件是否会发生变化,从而改善对世界这一关键地区气候的长期预测。 在研究期间,还将开展教育和宣传活动,包括在研究巡航期间建立在线照片博客。研究小组将调查夏季高纬度北冰洋上空细颗粒气溶胶和云凝结核的来源。 现场测量将于2018年8月至9月在瑞典破冰船奥登号上进行。 热解吸化学电离质谱仪将用于测量环境尺寸分辨的10- 200 nm直径气溶胶的组成,目标是积累,艾特肯和成核模式。 还将使用颗粒进液采样器(PILS)收集环境亚微米气溶胶总量,随后进行离线分析。 该项目的目标是测量生物多糖物质、海盐、其他有机物和其他盐类对北极气溶胶的相对贡献。 一个成功的项目将导致确定哪些过程是造成不同大小的气溶胶的原因,这将导致推断该区域最重要的云凝结核来源的能力。

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)
The development of a miniaturised balloon-borne cloud water sampler and its first deployment in the high Arctic
小型气球载云水采样器的开发及其在北极高海拔地区的首次部署
  • DOI:
    10.1080/16000889.2021.1915614
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Zinke, Julika;Salter, Matthew E.;Leck, Caroline;Lawler, Michael J.;Porter, Grace C.;Adams, Michael P.;Brooks, Ian M.;Murray, Benjamin J.;Zieger, Paul
  • 通讯作者:
    Zieger, Paul
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Eric Saltzman其他文献

Eric Saltzman的其他文献

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{{ truncateString('Eric Saltzman', 18)}}的其他基金

Atmospheric H2 in the Northern Hemisphere over the past Millennium
过去千年北半球大气 H2
  • 批准号:
    2243540
  • 财政年份:
    2023
  • 资助金额:
    $ 41.43万
  • 项目类别:
    Standard Grant
MRI: Track 3 Acquisition of Helium Recovery Equipment - Closed-cycle Cryotraps for Polar Ice Core Trace Gas Analysis
MRI:轨道 3 采购氦回收设备 - 用于极地冰芯痕量气体分析的闭路低温冷阱
  • 批准号:
    2319563
  • 财政年份:
    2023
  • 资助金额:
    $ 41.43万
  • 项目类别:
    Standard Grant
Collaborative Research: A North Pacific ice core record of summer climate and wildfire history during the last 1500 years
合作研究:过去 1500 年夏季气候和野火历史的北太平洋冰芯记录
  • 批准号:
    2002550
  • 财政年份:
    2020
  • 资助金额:
    $ 41.43万
  • 项目类别:
    Standard Grant
EAGER: Feasibility of Reconstructing the Atmospheric History of Molecular Hydrogen from Antarctic Ice
EAGER:从南极冰重建氢分子大气历史的可行性
  • 批准号:
    1907974
  • 财政年份:
    2019
  • 资助金额:
    $ 41.43万
  • 项目类别:
    Standard Grant
A Northern Hemisphere Holocene Paleoatmospheric Record of Ethane and Acetylene from the GISP2 Ice Core
GISP2 冰芯中乙烷和乙炔的北半球全新世古大气记录
  • 批准号:
    1907971
  • 财政年份:
    2019
  • 资助金额:
    $ 41.43万
  • 项目类别:
    Standard Grant
Collaborative Research: Reactive Chlorine Cycling in Marine Air
合作研究:海洋空气中的活性氯循环
  • 批准号:
    1347520
  • 财政年份:
    2015
  • 资助金额:
    $ 41.43万
  • 项目类别:
    Standard Grant
Collaborative Research: Integrated High Resolution Chemical and Biological Measurements on the Deep WAIS Divide Core
合作研究:WAIS 深沟核心的集成高分辨率化学和生物测量
  • 批准号:
    0839122
  • 财政年份:
    2010
  • 资助金额:
    $ 41.43万
  • 项目类别:
    Standard Grant
Collaborative Research: Air/Sea Gas Exchange Studies of Carbon Dioxide, Dimethyl Sulfide, and Acetone by Eddy Correlation
合作研究:通过涡相关研究二氧化碳、二甲硫醚和丙酮的空气/海洋气体交换
  • 批准号:
    0851472
  • 财政年份:
    2009
  • 资助金额:
    $ 41.43万
  • 项目类别:
    Standard Grant
Methyl Chloride, Methyl Bromide, and Carbonyl Sulfide in Deep Antarctic Ice Cores
南极深部冰芯中的氯甲烷、溴甲烷和硫化羰
  • 批准号:
    0636953
  • 财政年份:
    2007
  • 资助金额:
    $ 41.43万
  • 项目类别:
    Continuing Grant
Detection of Inorganic Dihalogen Gases (Cl2, Br2, I2, BrCl, and ICl) in the Marine Atmosphere
海洋大气中无机二卤气体(Cl2、Br2、I2、BrCl 和 ICl)的检测
  • 批准号:
    0614816
  • 财政年份:
    2006
  • 资助金额:
    $ 41.43万
  • 项目类别:
    Continuing Grant

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合作研究:通过应用跨学科方法揭示类人猿化石的适应性起源
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