Airborne Measurements of the Physio-Chemistry and Evolution of Aerosols in the Tropics during the Pacific Atmospheric Sulfur Experiment (PASE)
太平洋大气硫实验 (PASE) 期间热带地区气溶胶物理化学和演化的机载测量
基本信息
- 批准号:0628202
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2006
- 资助国家:美国
- 起止时间:2006-10-01 至 2011-03-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This project involves deployment of a large suite of instruments to characterize aerosol physical, chemical, and optical properties in the Pacific Atmospheric Sulfur Experiment (PASE). These measurements are essential to understanding the sulfur cycle and its link to cloud condensation nuclei (CCN) in the marine boundary layer (MBL), and will lead to improved knowledge of the formation, transport, and removal of MBL aerosol and its role in the marine sulfur cycle. The primary objective in this work is to quantify links between MBL sulfur chemistry and changes in aerosol concentrations, size, and chemistry. Ambient non sea-salt and sea-salt aerosol surface areas needed to evaluate the uptake of gas phase species will also be determined. Aerosol hygroscopic growth is an important element in this project, and it will be constrained through measurements of size, chemistry, and humidity dependent growth. Other goals include the investigation of aerosol dynamics and growth in response to the diurnal photochemistry to be studied during PASE. Data on entrainment rates and vertical fluxes above and below the inversion and in the buffer layer (BuL) and MBL will be used to evaluate the role of these processes in modulating CCN concentrations in the MBL. This will include assessing the locations and significance of new particle formation. Finally, a time-of-flight aerosol mass spectrometer (TOF-AMS) will be deployed to provide fast size-resolved chemistry data (on both ionic and organic material) that can be applied to all of these issues. In conjunction with other measurements on PASE, these size-resolved effects will be linked to gas phase chemical sources, total aerosol chemistry, and associated variability in measured CCN spectra.Broader impacts of this project include the integration of research and education through involvement of graduate students and post-doctoral researchers in all stages of the field campaign from measurements to publications. Final data will reside in the PASE archive, which will be available to the broader community.
该项目包括部署一套大型仪器来表征太平洋大气硫实验(PASE)中气溶胶的物理、化学和光学特性。这些测量对于理解硫循环及其与海洋边界层(MBL)中的云凝结核(CCN)的联系至关重要,并将使我们更好地了解MBL气溶胶的形成、运输和去除及其在海洋硫循环中的作用。这项工作的主要目的是量化MBL硫化学与气溶胶浓度、大小和化学变化之间的联系。还将确定评估气相物种吸收所需的环境非海盐和海盐气溶胶表面积。气溶胶吸湿性生长是本项目的重要组成部分,它将受到尺寸、化学和湿度依赖性生长测量的限制。其他目标包括在PASE期间研究气溶胶动力学和生长对昼夜光化学的响应。逆温上下以及缓冲层(BuL)和MBL中的夹带速率和垂直通量数据将用于评估这些过程在调节MBL中CCN浓度方面的作用。这将包括评估新粒子形成的位置和重要性。最后,将部署飞行时间气溶胶质谱仪(TOF-AMS),以提供可应用于所有这些问题的快速尺寸分辨化学数据(离子和有机材料)。与PASE的其他测量相结合,这些尺寸分辨效应将与气相化学源、总气溶胶化学以及测量的CCN光谱中的相关变异性联系起来。该项目的更广泛影响包括通过研究生和博士后研究人员参与从测量到发表的实地活动的各个阶段来整合研究和教育。最后的数据将保存在PASE档案中,供更广泛的社区使用。
项目成果
期刊论文数量(0)
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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Antony Clarke其他文献
Antony Clarke的其他文献
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{{ truncateString('Antony Clarke', 18)}}的其他基金
VOCALS: Airborne Measurements of Aerosol Dynamics and Evolution
VOCALS:气溶胶动力学和演化的机载测量
- 批准号:
0745368 - 财政年份:2008
- 资助金额:
-- - 项目类别:
Continuing Grant
Airborne Measurements of Aerosol Physio-Chemistry and Optical Properties of Aerosols
气溶胶物理化学和气溶胶光学特性的机载测量
- 批准号:
0511521 - 财政年份:2005
- 资助金额:
-- - 项目类别:
Continuing Grant
Aerosol Aircraft Measurements for Aerosol Characterization Experiment (ACE)-Asia
用于气溶胶表征实验 (ACE) 的气溶胶飞机测量 - 亚洲
- 批准号:
0002070 - 财政年份:2001
- 资助金额:
-- - 项目类别:
Continuing Grant
INDOEX: Field Experiment in the Indian Ocean
INDOEX:印度洋实地实验
- 批准号:
9612891 - 财政年份:1998
- 资助金额:
-- - 项目类别:
Continuing Grant
Aircraft Measurements of Aerosol Physical, Chemical and Optical Properties During ACE-1
ACE-1 期间飞机对气溶胶物理、化学和光学特性的测量
- 批准号:
9419475 - 财政年份:1995
- 资助金额:
-- - 项目类别:
Standard Grant
An Investigation of Interhemispheric Differences in Aerosol Physicochemistry in the Equatorial Pacific
赤道太平洋气溶胶物理化学半球间差异的调查
- 批准号:
9001434 - 财政年份:1990
- 资助金额:
-- - 项目类别:
Standard Grant
Real Time Characterization of Tropospheric Acid Sulfate Aerosol
对流层硫酸盐气溶胶的实时表征
- 批准号:
8513776 - 财政年份:1986
- 资助金额:
-- - 项目类别:
Continuing Grant
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