Tracking Urban Nitrous Acid (HONO) Emissions and Secondary Production in the Great Lakes Region during Michigan-Ontario Ozone Source Experiment (MOOSE)

密歇根-安大略臭氧源实验 (MOOSE) 期间追踪五大湖地区城市亚硝酸 (HONO) 排放和二次生产

• 批准号: 2126097
• 负责人: Meredith Hastings
• 金额: $ 75.48万
• 依托单位: Brown University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2021
• 资助国家: 美国
• 起止时间: 2021-06-01 至 2025-05-31
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2126097&HistoricalAwards=false
• 关键词: Tracking; Urban; Nitrous; Acid; HONO

This project contributes to the Michigan-Ontario Ozone Source Experiment (MOOSE) field campaign scheduled to take place in the summers of 2021 and 2022 over metropolitan Detroit. MOOSE is a collaborative effort sponsored by the Michigan Department of Environment, Great Lakes, and Energy (EGLE), and includes participation from the Canadian government, NOAA, NASA, USEPA and the USFS. The goal of the campaign is to improve the understanding of the sources and chemistry associated with the production of ozone air pollution in the region.The research in this project supported by NSF includes the testing of hypotheses to better understand heterogeneous pathways to HONO formation and includes the measurement of stable isotopes that will serve as a unique tool to rigorously constrain sources, chemical processing pathways, and sinks of reactive nitrogen species based upon their respective isotopic signatures. This effort is expected to help to clarify the role of HONO in ozone production. The project includes improvements that will be made to the Community Multiscale Air Quality (CMAQ) chemical transport model that will benefit users of the model.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

该项目将为计划于2021年和2022年夏季在底特律大都市举行的安大略省臭氧源实验（MOOSE）现场活动做出贡献。 MOOSE是由密歇根州环境、五大湖和能源部（EGLE）赞助的一项合作努力，包括加拿大政府、NOAA、NASA、USEPA和USFS的参与。该运动的目标是提高对该地区臭氧空气污染产生的来源和化学的理解。NSF支持的该项目的研究包括测试假设，以更好地了解HONO形成的异质途径，并包括测量稳定同位素，这将作为严格限制来源，化学处理途径，以及基于它们各自的同位素特征的活性氮物质的汇。预计这一努力将有助于澄清HONO在臭氧产生中的作用。该项目包括对社区多尺度空气质量（CMAQ）化学传输模型的改进，这将使模型的用户受益。该奖项反映了NSF的法定使命，并被认为值得通过使用基金会的知识价值和更广泛的影响审查标准进行评估来支持。