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Yaping Shao
Institute for Geophysics and Meteorology, University of Cologne, F. R. Germany yshao@uni-koeln.de
Dust is an important type of aerosol. Dust modelling relies critically on dust emission schemes which must capture the essence of dust emission physics and parameterize the complex physical processes using a small number of input parameters. Several dust emission schemes have been proposed. In this talk, I will provide an overview of our current understanding of dust emission processes and the dust emission schemes. I will also attempt to outline the problems which require further research. Dust emission schemes have been used in dust models. Using an integrated dust storm model, I have simulated severe dust episodes in Asia, Australia and Africa. The simulated dust patterns have been compared with surface synoptic data and satellite images. In this talk, I will present some case studies to illustrate the capacity of the dust model and to point out the future applications of such dust models.