Cumulus cloud transport,scavenging and chemistry: Observations and simulations |
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| Institution: | 1. Aryabhatta Research Institute of Observational Sciences, Nainital 263 002, Uttarakhand, India;2. Department of Physics and Astrophysics, University of Delhi, India;1. Department of Environmental Science and Engineering, Nanjing Normal University, Nanjing 210023, PR China;2. Australian Centre for Research on Separation Sciences (ACROSS), School of Physical Sciences, University of Tasmania, Private Bag 75, Hobart 7001, Tasmania, Australia;3. Central Science laboratory, University of Tasmania, Private Bag 74, Hobart 7001, Tasmania, Australia;1. Post Graduate & Research Department of Physics, Bishop Moore College, Mavelikara, Kerala 690 110, India;2. Post Graduate & Research Department of Physics, Pachaiyappa’s College, Chennai 600 030, India |
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| Abstract: | Observational and numerical investigations of cumulus cloud scavenging, transport and chemical processes are presented. The experimental data set includes surface and aircraft measurements of the chemistry and microphysics of aerosol, cloud and precipitation. To help in the interpretation of these experimental data fully three-dimensional simulations of cloud chemistry and scavenging are performed. After adjusting several unmeasured model parameters, reasonable agreement could be obtained between the simulated and observed cloud chemistry and aerosol distribution in clouds. The rate at which the simulated clouds transported and transformed pollutants did not exceed a few per cent per hour. |
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