Characterization of the Role of Nitrogen Oxides in the Photochemistry of the North Atlantic Troposphere
氮氧化物在北大西洋对流层光化学中的作用表征
基本信息
- 批准号:9300166
- 负责人:
- 金额:$ 30.09万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1994
- 资助国家:美国
- 起止时间:1994-09-15 至 1998-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The eastern U.S. is a major source of ozone and ozone precursors to the North Atlantic region. Previous studies have shown that emissions from this region significantly affect levels of NOx and hydrocarbons over the Western North Atlantic Ocean, and recent measurements indicate that transport of ozone produced over the eastern U.S substantially alters the ozone budget of the temperate North Atlantic region. However the total impact of anthropogenic emissions on the photochemistry of this region is currently poorly understood. A primary reason is a paucity of information on NOx (NO + NO2) and total reactive nitrogen levels over the central and eastern North Atlantic, which results in uncertainty as to the ultimate fate and impact of anthropogenic emissions on the regional ozone budget. This project seeks to address this problem through measurements of NO and NOy (total reactive nitrogen oxides) at a site in the Azores. The location is ideal for observation of aged emissions transported from eastern North America and is suitably isolated from European impacts. Measurements would be made in conjunction with a currently-planned CO (carbon) and O3 (ozone) monitoring program, and would take place in concert with the other measurement programs in order to assess seasonal variations. The resulting data would be used to quantify anthropogenic impacts on NOx and ozone levels in the North Atlantic troposphere.
美国东部是北大西洋地区臭氧和臭氧前体的主要来源。 以前的研究表明,该地区的排放量显着影响氮氧化物和碳氢化合物的水平在西北大西洋,最近的测量表明,在美国东部产生的臭氧传输大大改变了北大西洋温带地区的臭氧收支。 然而,目前对人为排放对该区域光化学的总体影响知之甚少。 一个主要原因是缺乏关于北大西洋中部和东部的氮氧化物(NO + NO2)和总活性氮水平的信息,这导致了人为排放对区域臭氧收支的最终命运和影响的不确定性。 该项目旨在通过测量亚速尔群岛一个地点的NO和NOy(总活性氮氧化物)来解决这一问题。 该地点是观测从北美东部输送过来的老化排放物的理想地点,并与欧洲的影响适当隔离。 测量将与目前计划的CO(碳)和O3(臭氧)监测计划一起进行,并将与其他测量计划一起进行,以评估季节变化。 由此产生的数据将用于量化人类活动对北大西洋对流层氮氧化物和臭氧水平的影响。
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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Richard Honrath其他文献
Richard Honrath的其他文献
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{{ truncateString('Richard Honrath', 18)}}的其他基金
The Impact of Aged Boreal Fire Emissions on the Composition of the Remote Midlatitude Lower Free Troposphere, Using Measurements at the PICO-NARE Station
使用 PICO-NARE 站的测量,研究老化的北方火排放对偏远中纬度低层自由对流层组成的影响
- 批准号:
0535486 - 财政年份:2005
- 资助金额:
$ 30.09万 - 项目类别:
Continuing Grant
Nitrogen Oxides in the Lower Free Troposphere of the Central North Atlantic: Measurements at the PICO-NARE Station
北大西洋中部自由对流层下部的氮氧化物:PICO-NARE 站的测量
- 批准号:
0215843 - 财政年份:2002
- 资助金额:
$ 30.09万 - 项目类别:
Standard Grant
U.S.-Azores (Portugal) Collaborative Study of CO, O3, and Black Carbon at PICO-NARE
美国-亚速尔群岛(葡萄牙)在 PICO-NARE 合作研究 CO、O3 和黑碳
- 批准号:
0110397 - 财政年份:2002
- 资助金额:
$ 30.09万 - 项目类别:
Standard Grant
Investigation of Photochemical Transformation within Snow and their Effect on Snow and Atmospheric Composition
雪内光化学转化及其对雪和大气成分影响的研究
- 批准号:
9907197 - 财政年份:1999
- 资助金额:
$ 30.09万 - 项目类别:
Continuing Grant
Nitrogen Oxides in the Arctic Marine Boundary Layer during the Polar Sunrise Experiment-2000
2000 年极地日出实验期间北极海洋边界层中的氮氧化物
- 批准号:
9979497 - 财政年份:1999
- 资助金额:
$ 30.09万 - 项目类别:
Standard Grant
Air-Snow Exchange of Reactive Nitrogen Oxides at Summit, Greenland
格陵兰岛峰会上活性氮氧化物的气雪交换
- 批准号:
9725463 - 财政年份:1998
- 资助金额:
$ 30.09万 - 项目类别:
Continuing Grant
The Arctic Outflow Campaign: A Measurement Study to Characterize the Composition and Photochemistry of Arctic Air Transported Southward During Spring
北极流出运动:春季向南输送的北极空气的成分和光化学特征的测量研究
- 批准号:
9528031 - 财政年份:1996
- 资助金额:
$ 30.09万 - 项目类别:
Standard Grant
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