MRI: Acquisition of an Integrated Atmospheric Chemistry Mobile Laboratory

将购置一辆带有一套仪器的移动的拖车，用于大气气溶胶的实地研究。 这个移动的实验室将允许在气溶胶研究的综合方法中同时测量气相物质、颗粒相化学和物理性质以及边界层动力学。 将购置的主要研究仪器包括：一台气溶胶激光雷达，用于测量气溶胶和云的垂直分布;一台扫描迁移率粒度仪，用于测量粒度分布;一台液体粒子取样器/离子色谱仪，用于收集和化学分析水溶性离子成分;以及一台气相色谱仪/质谱仪，用于量化臭氧和气溶胶的气相前体。 还将包括测量关键化学物质（臭氧、一氧化碳、活性氮和二氧化硫）的辅助仪器和一个基本气象站。 该移动的实验室将用于实地实验，以研究前体气体、其化学变化以及对大气氧化剂和气溶胶的影响之间的关系。这些测量涉及与全球气候变化、生物圈与大气之间的反馈机制、区域大气化学以及人为排放物和光产物的沉积对生态系统健康的影响有关的问题。该移动的实验室将为华盛顿州立大学的实地研究项目提供关键基础设施，并与其他与生物、城市和农业排放影响有关的项目合作。 由此产生的数据将支持大气动力学和化学的详细描述与氧化剂和颗粒物的化学传输模型进行比较。 该实验室将用于本科生和研究生的教育和培训，并应有助于招生。

A mobile trailer with a suite of instruments for field research on atmospheric aerosols will be acquired. This mobile laboratory will allow simultaneous measurements of gas phase species, particulate phase chemical and physical properties, and boundary layer dynamics in an integrated approach for aerosol studies. The major research instruments to be acquired are an aerosol LIDAR to measure vertical profiles of aerosols and clouds, a Scanning Mobility Particle Sizer to measure particle size distributions, a Particle in Liquid Sampler/Ion Chromatograph for collection and chemical analysis of water-soluble ionic components, and a Gas Chromatograph/Mass Spectrometer for the quantification of gas phase precursors of ozone and aerosols. Supporting instruments to measure key chemical species (ozone, carbon monoxide, reactive nitrogen, and sulfur dioxide) and a basic weather station will also be included. The mobile laboratory will be used in field experiments to study the relationship between precursor gases, their chemical transformations, and the resulting impacts on atmospheric oxidants and aerosols. These measurements address questions relevant to global climate change, feedback mechanisms between the biosphere and atmosphere, regional atmospheric chemistry, and impacts of the deposition of anthropogenic emissions and photoproducts on ecosystem health. The mobile laboratory will provide critical infrastructure for field research projects at Washington State University and in collaboration with others related to the impact of biogenic, urban, and agricultural emissions. The resulting data will support a detailed description of atmospheric dynamics and chemistry for comparison with chemical transport models of oxidants and particulate matter. The laboratory will be used for the education and training of undergraduate and graduate students, and should also help with student recruitment.