Dominant role of charged meteoric smoke particles in the polar mesospheric clouds
Liang Zhang,
Zhongfang Liu,
Brian Tinsley
Abstract:Abstract. Polar mesospheric clouds (PMCs), composed of ice particles, are sensitive to solar activity and atmospheric dynamics, and have been suggested as a potential indicator of climate change. However, the microphysical processes of PMCs, especially the mechanism of ice nucleation, remain poorly understood. This study presents an analysis of satellite PMC data, which reveals that the mean ice particle radius (r) and concentration (N) in PMCs are primarily influenced by the PMC height (h), rather than by the… Show more
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