RAPID: Supporting Cloud Water Collection at Whiteface Mountain Research Observatory, Pilot Study to Assess Chemical Processing of Organics within Clouds

RAPID：支持怀特菲斯山研究天文台的云水收集，评估云内有机物化学处理的试点研究

• 批准号: 1753278
• 负责人: Sara Lance
• 金额: $ 2.49万
• 依托单位: SUNY at Albany
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2017
• 资助国家: 美国
• 起止时间: 2017-08-15 至 2018-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1753278&HistoricalAwards=false
• 关键词: RAPID; Supporting; Cloud; Water; Collection

This is a pilot study to investigate the chemistry occurring within clouds that can lead to the formation of secondary organic aerosol in the atmosphere. It is expected that chemical reactions taking place within fog and cloud droplets are responsible for much of the differences in the predicted and measured mass of atmospheric organic aerosol. The results of the project will lead to a better understanding of how clouds can affect air quality. The primary hypothesis of the study is that organic compounds within cloud-processed aerosols will be more soluble as a result of oxidation reactions and that cloud droplet residuals (the aerosols remaining after cloud droplets evaporate) will be higher in organic mass than aerosols being drawn into clouds from below the cloud-base. The results of this study will lead to improved modeling of the heterogeneous chemical processing of organics within clouds.

这是一项初步研究，旨在调查云中发生的化学反应，这种化学反应可能导致大气中二次有机气溶胶的形成。预计发生在雾和云滴内的化学反应是造成大气有机气溶胶的预测质量和测量质量差异的主要原因。该项目的结果将有助于更好地了解云是如何影响空气质量的。该研究的主要假设是，由于氧化反应，云处理的气溶胶中的有机化合物更容易溶解，云滴残留物（云滴蒸发后残留的气溶胶）的有机质量将高于从云底以下吸入云中的气溶胶。这项研究的结果将有助于改进云中有机物的非均匀化学过程的建模。