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Laboratory studies of immersion and deposition mode ice nucleation of ozone aged mineral dust particles

机译：臭氧老化矿物粉尘颗粒的沉浸和沉积模式冰成核的室内研究

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摘要

Ice nucleation in the atmosphere is central to the understanding the microphysical properties of mixed-phase and cirrus clouds. Ambient conditions such as temperature (T) and relative humidity (RH), as well as aerosol properties such as chemical composition and mixing state play an important role in predicting ice formation in the troposphere. Previous field studies have reported the absence of sulfate and organic compounds on mineral dust ice crystal residuals sampled at mountain top stations or aircraft based measurements despite the long-range transport mineral dust is subjected to. We present laboratory studies of ice nucleation for immersion and deposition mode on ozone aged mineral dust particles for 233
机译：大气中的冰成核作用对于理解混合相云和卷云的微物理特性至关重要。温度（T）和相对湿度（RH）等环境条件以及气溶胶特性（例如化学成分和混合状态）在预测对流层中冰的形成中起着重要作用。先前的现场研究报告说，尽管进行了远距离运输矿物粉尘，但在山顶站或基于飞机的测量中采样的矿物粉尘冰晶残留物上没有硫酸盐和有机化合物。我们目前针对233

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