On the formation of polar mesospheric cloud and echo layers

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概要

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• In this paper we show an effort to simulate ice particle formation from proton hydrates (H^+(H_2O)_n; PH) in the mesosphere. Our scheme stresses that the recombination of PHs with electrons plays a significant role to remove stable nucleus from the ionic system into the background neutral. In our tentative model, at T=120K, [H_2O]=6ppmV and [e^-]=10^3cm^<-3>, sufficient amounts of stable nuclei to form a noctilucent cloud are supplied within a layer of about 1km thickness at 90km height. The Polar Mesospheric Summer Echo (PMSE) layer is considered to be located at the formation region of heavy PHs. Vertical profiles of the layers of heavy PHs. PMSE and Polar Mesospheric Cloud are discussed.

• 国立極地研究所の論文

著者

• Sugiyama Takuya

  Department Of Physics Kyoto University

• Muraoka Yoshikazu

  Department of Physics,Hyogo College of Medicine

• Muraoka Yoshikazu

  Department Of Physics Hyogo College Of Medicine

関連論文

• On the formation of polar mesospheric cloud and echo layers

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