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Renoxification of Nitric Acid in the Global Troposphere and in Snowpacks

Renoxification of Nitric Acid in the Global Troposphere and in Snowpacks
全球对流层和积雪中硝酸的再氧化
批准号：
0097573
负责人：
Barbara Finlayson-Pitts
金额：
$28.77万
依托单位：
University of California-Irvine
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
2001
资助国家：
美国
项目状态：
已结题
起止时间：
2001-08-15 至 2005-07-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=0097573&HistoricalAwards=false
关键词：
RenoxificationNitricAcidGlobalTroposphere

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英文摘要
This project is investigating the heterogeneous chemistry of reactive nitrogen species at the air-water interface. Laboratory studies will be conducted to elucidate the elementary processes associated with the reaction of HNO3 with NO on various 'wet' solids, which are model components of dust particles in the atmosphere. The production of HONO and other reaction products will be measured. The reaction of HNO3 on ice surfaces with NO will also be investigated to determine if this could be the source of HONO that has recently been measured in the Arctic, which appears to be coming at least in part from the snowpack. The results could have significant implications for modeling the global production of nitrogen oxides and ozone.
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