Atmos. Chem. Phys. Discuss., 2, 689-714, 2002
www.atmos-chem-phys-discuss.net/2/689/2002/
doi:10.5194/acpd-2-689-2002
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This discussion paper has been under review for the journal Atmospheric Chemistry and Physics (ACP). Please refer to the corresponding final paper in ACP.
A condensed-mass advection based model for the simulation of liquid polar stratospheric clouds
D. Lowe1, A. R. MacKenzie1, N. Nikiforakis2, and J. Kettleborough3
1Lancaster University, United Kingdom
2DAMTP, Cambridge University, United Kingdom
3Rutherford Appleton Laboratory, United Kingdom

Abstract. We present a condensed-mass advection based model (MADVEC) designed to simulate the condensation/evaporation of liquid polar stratospheric cloud (PSC) particles. A (Eulerian-in-radius) discretization scheme is used, making the model suitable for use in global or mesoscale chemistry and transport models (CTMs). The mass advection equations are solved using an adaption of the weighted average flux (WAF) scheme. We validate the numerical scheme using an analytical solution for multicomponent aerosols. The physics of the model are tested using a test case designed by Meilinger et al. (1995). The results from this test corroborate the composition gradients across the size distribution under rapid cooling conditions that were reported in earlier studies.



Citation: Lowe, D., MacKenzie, A. R., Nikiforakis, N., and Kettleborough, J.: A condensed-mass advection based model for the simulation of liquid polar stratospheric clouds, Atmos. Chem. Phys. Discuss., 2, 689-714, doi:10.5194/acpd-2-689-2002, 2002.
 
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