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Influence of Free Tropospheric Ozone and Particulate Matter (PM) on Surface Air Quality across the West Coast of the United States

Influence of Free Tropospheric Ozone and Particulate Matter (PM) on Surface Air Quality across the West Coast of the United States
游离对流层臭氧和颗粒物 (PM) 对美国西海岸地表空气质量的影响
批准号:
1066032
负责人:
Daniel Jaffe
金额:
$82.1万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2011
资助国家:
美国
项目状态:
已结题
起止时间:
2011-05-15 至 2015-04-30

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中文摘要
翻译
该项目继续了对山上一氧化碳、臭氧、其他痕量气体和气溶胶物理性质的多年观测。单人天文台(MBO),太平洋西北部的一个高海拔地点。这一地点已被证明经常接收自由对流层中从亚洲输送的污染物。该项目建立在之前关于亚洲和全球排放量增加对背景空气质量影响的工作基础上。这些观测将与卫星数据和计算机模拟一起用于解决以下科学问题:对流层臭氧的月和年际变化、对流层自由臭氧对地面空气中臭氧水平的贡献,以及区域火灾、亚洲空气污染物和平流层对美国空气质量的影响。MBO是美国西海岸唯一的自由对流层大气组成观测站。美国国家科学院和联合国环境规划署/空气污染半球运输项目最近对污染的洲际运输进行了几次评估,使用了来自现场的观测结果。管理层收购的研究也一直是众多研究生和本科生研究项目的重点。该项目将支持一名新的研究生和一名新的博士后研究员,他们将专注于进行高质量的观测,将现场观测与卫星数据相结合,并使用全球化学传输模型。
英文摘要
This project continues a multi-year sequence of observations of carbon monoxide, ozone, other trace gases, and aerosol physical properties at the Mt. Bachelor Observatory (MBO), a high elevation site in the Pacific Northwest. This site has been shown to frequently receive pollutants transported from Asia in the free troposphere. The project builds on previous work on the implications of increasing Asian and global emissions for background air quality. The observations will be used along with satellite data and computer modeling to address scientific questions concerning monthly and interannual variability of tropospheric ozone, the contribution of free tropospheric ozone to ozone levels in surface air, and the impacts of regional fires, Asian air pollutants and the stratosphere on U.S. air quality more generally.The MBO is the nation's only free tropospheric observatory for atmospheric composition on the West Coast. Observations from the site have been used in several recent assessments of intercontinental transport of pollution performed by the U.S. National Academy of Sciences and the UN Environmental Programs/Hemispheric Transport of Air Pollution program. Research at MBO has also been the focus of numerous graduate and undergraduate research projects. This project will support one new graduate student and one new post-doctoral fellow, who will focus on making high quality observations, integrating the in situ observations with satellite data and using global chemical transport models.
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Origin and Influence of Background Ozone in the Western United States (U.S.) from Observations at the Mount Bachelor Observatory
  • 批准号:
    2329284
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Influence of Free Tropospheric Ozone and Particulate Matter on Surface Air Quality in the Western U.S.
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