Hydroperoxide, Nitrate, and Epoxide Chemistry of Biogenically-produced Alkenes
Hydroperoxide, Nitrate, and Epoxide Chemistry of Biogenically-produced Alkenes
批准号:
1240604
负责人:
Paul Wennberg
金额:
$61.66万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2013
资助国家:
美国
项目状态:
已结题
起止时间:
2013-04-01 至 2017-03-31
中文摘要
这项研究是一个名为SOAS(南方氧化剂和气溶胶研究)的广泛社区实验的一部分,旨在进一步研究美国东南部大气环境中植物排放物(生物挥发性有机化合物; BVOCs)的光氧化。 该项目将在计划于2013年夏季在亚拉巴马进行的合作实地实验期间调查主要生物烯烃及其氧化产物的光化学。这个网站被选为一个区域,大量的BVOCs从植被混合的NOx和SOx氧化剂的发电站和其他人为来源排放的变量,涵盖了广泛的自然反应性表现出这些化合物。除了通过臭氧形成产生光化学烟雾外,BVOCs随后产生的氧化产物可能会增加二次气溶胶的大气负担,这与区域气候强迫有关。气候变化对人类健康和人类福祉的影响使这些化合物和颗粒物的研究成为当前大气化学研究的一个关键方面。
英文摘要
This research is a component of a broad community experiment named SOAS (Southern Oxidant and Aerosol Study) designed to further investigate the photo-oxidation of the emissions (biogenic volatile organic compounds; BVOCs) of plants in the context of the atmospheric environment of the Southeast United States. The project will investigate the photochemistry of the dominant biogenic alkenes and their oxidation products, during a collaborative field experiment planned for summer, 2013 in Alabama. This site was chosen as a region where substantial BVOCs from vegetation mix with variable amounts of NOx and SOx oxidants emitted from power generation sites and other anthropogenic sources, covering a wide range of the natural reactivity exhibited by these compounds. As well as the generation of photochemical smog through ozone formation, the subsequent oxidation products from BVOCs may contribute to the atmospheric burden of secondary aerosols, which have been implicated in regional climate forcing. Both the impacts on human health and human well being through climate change make the study of these compounds and particles a key aspect of current atmospheric chemical investigation.
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依托单位:
海外基金