Collaborative Research: High-resolution Study of Atmosphere, Ice, and Aerosol Interactions in Coastal Antarctica

研究人员试图对南极洲沿海罗斯岛地区的气溶胶成分和大小进行高分辨率的时间和大小分布测量。将使用气溶胶质谱仪(AMS)近乎实时地提供硫酸盐、硝酸盐、氯化物、铵和有机碳等非难熔亚微米气溶胶颗粒的定量尺寸和化学质量负荷信息。其他测量将包括重叠尺寸范围从20纳米到100微米的气溶胶测定，以及对较大气溶胶颗粒进行散体离子成分分析的液体颗粒采样。对气溶胶进行AMS连续监测的优点包括能够观察到新粒子成核事件的间歇性和持续时间短，从而捕捉到南极洲海洋预期气象条件的极端变异性。这些气溶胶测量可能会对其他学科产生影响。对博士后助理的培训，以及对Polar-TREC参与者的研究经验，都是更广泛的影响。

Researchers seek to make high-resolution temporal and size distribution measurements of aerosol composition and size in the Ross Island region, coastal Antarctica. An Aerosol Mass Spectrometer (AMS) will be used to provide quantitative size and chemical mass loading information, in near real-time of non-refractory sub-micron aerosol particles such as sulfate, nitrate, chloride, ammonium, and organic carbon species. Additional measurements will include aerosol sizing with overlapping size ranges from 20 nm to 100 um, and particle into liquid sampling for bulk ionic compositional analysis of larger aerosol particles. Advantages in continuous AMS monitoring of aerosol include being able to observe the episodic nature and short duration of new particle nucleation events, thus capturing the extreme variability of meteorological conditions expected in maritime Antarctica. These aerosol measurements are likely to be of interest to other disciplines. Training of a post-doctoral associate, and research experience for a Polar-TREC participant are allied broader impacts.