Properties of particles in the tropopause region

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作者
Kärcher, B. [1 ]
Solomon, S. [2 ]
机构
[1] DLR Institut für Physik der Atmosphäre, D-82234 Wessling, Germany
[2] NOAA, Aeronomy Laboratory R/E/AL8, Boulder, CO 80303, United States
关键词
Atmospheric chemistry - Atmospheric humidity - Clouds - Frost effects - Ice - Mathematical models - Nitric acid - Nucleation - Ozone - Sulfur compounds - Troposphere - Upper atmosphere;
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摘要
Subvisible cirrus clouds in the tropical tropopause region, are important in the dehydration of air entering the upper troposphere and lower stratosphere. At midaltitudes, aerosols and cirrus clouds may play a role in ozone chemistry and affect on the radiative forcing of climate. Aerosol growth and composition can be studied by employing a thermodynamic equilibrium model, in which the coupling between gas and aerosol phase is taken into account.
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