MRI: Acquisition of an Aerosol Characterization System for the Caribbean and the Americas

这一主要研究仪器项目支持购置一个气溶胶特性描述系统，该系统将由迈阿密大学在巴巴多斯的Ragged Point运行。气溶胶特性鉴定系统预计将开辟新的研究途径，研究非洲尘埃向美洲的迁移、海洋产生的有机气溶胶对海洋边界层的影响、野火烟雾以及云和辐射过程。该项目包括让初中和高中学生、迈阿密大学本科生和研究生、巴巴多斯西印度群岛大学的学生以及其他合作机构的学生参与并对其进行培训。新的气溶胶特性鉴定系统将加强世界上一个重要区域的现有基础设施，该项目包括在加勒比地区进行广泛的新观测的计划，这些观测可为涉及大气化学、海洋学、地球科学、气象学和公共卫生等领域的跨学科科学提供重要的见解。新的耦合测量装置综合系统将提供传送到加勒比和南北美洲的气溶胶的大小、成分、来源和辐射特性的现场特征。50多年来一直在拉格德角收集与大气群落有关的观测资料。将购置12台新仪器，并将其安放在现场。将建造一个新的入口和观察塔。拟议的气溶胶表征系统的主要组成部分包括新的塔和四极气溶胶化学形态监测仪（Q-ACSM），以及Xact 625 i环境金属监测仪。将成立一个咨询委员会，每半年召开一次会议，以扩大用户群，并为那些希望在该网站进行研究的人制定一个用户费用结构。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智力价值和更广泛的影响审查标准进行评估来支持。

This Major Research Instrumentation project supports the acquisition of an Aerosol Characterization System to be operated by the University of Miami at the Ragged Point in Barbados. The Aerosol Characterization System is expected to open up new research avenues related to the transport of African dust to the Americas, the impact of ocean-derived organic aerosols (OAs) in the marine boundary layer, wildfire smoke, and cloud and radiation processes. This project includes the engagement and training of middle and high school students, University of Miami undergraduate and graduate students, and students from the University of West Indies located in Barbados, as well as students from other collaborating institutions. The new Aerosol Characterization System will enhance the existing infrastructure in an important region of the world.This project includes plans for a broad range of new observations in the Caribbean that can provide significant insight into interdisciplinary science involving the fields of atmospheric chemistry, oceanography, geoscience, meteorology, and public health. The new integrated system of coupled measurement devices will provide in situ characterization of the size, composition, source, and radiative properties of aerosols transported to the Caribbean and North and South America. Observations pertinent to the atmospheric community have been collected at Ragged Point for over 50 years. Twelve new instruments will be acquired and located at the site. A new inlet and observation tower will be constructed. The major components of the proposed Aerosol Characterization System include the new tower and a Quadrupole Aerosol Chemical Speciation Monitor (Q-ACSM), and a Xact 625i ambient metals monitor. An Advisory Committee will be created and will meet biannually to expand the user base and develop a user fee structure for those who wish to conduct research at the site.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.