We derive an analytic solution to the spectral growth/sublimation equation for ice crystals and apply it to idealised cases. The results are used to test parameterisations of the ice sublimation process in two-moment bulk microphysics models. Although it turns out that the relation between number loss fraction and mass loss fraction is not a function since it is not unique, it seems that a functional parameterization is the best that one can do in a bulk model. Testing a more realistic case with humidity oscillations shows that artificial crystal loss can occur in simulations of mature cirrus clouds with relative humidity fluctuating about ice saturation.
CITATION STYLE
Gierens, K., & Bretl, S. (2009). Analytical treatment of ice sublimation and test of sublimation parameterisations in two-moment ice microphysics models. Atmospheric Chemistry and Physics, 9(19), 7481–7490. https://doi.org/10.5194/acp-9-7481-2009
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