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Comment on "Comparisons with analytical solutions from Khvorostyanov and Curry (2007) on the critical droplet radii and supersaturations of CCN with insoluble fractions" by Kokkola et al. (2008)
analytical solutions Khvorostyanov critical droplet radii CCN
2009/8/25
Analytical solutions for the critical radii and supersaturations of the cloud condensation nuclei (CCN) with insoluble fractions were derived by Khvorostyanov and Curry (2007, hereafter KC07). These s...
Ice supersaturations and cirrus cloud crystal numbers
Ice supersaturations cirrus cloud crystal numbers
2009/6/16
Upper tropospheric observations outside and inside of cirrus clouds indicate water vapour mixing ratios sometimes exceeding water saturation. Relative humidities over ice (RHice) of up to and more tha...
Ice supersaturations exceeding 100% at the cold tropical tropopause: implications for cirrus formation and dehydration
Ice supersaturations cold tropical tropopause cirrus formation dehydration
2009/2/7
Recent in situ measurements at tropical tropopause temperatures as low as 187 K indicate supersaturations with respect to ice exceeding 100% with little or no ice present. In contrast, models used to ...
Hygroscopic growth and critical supersaturations for mixed aerosol particles of inorganic and organic compounds of atmospheric relevance
Hygroscopic growth critical supersaturations mixed aerosol particles inorganic and organic compounds atmospheric relevance
2009/1/8
The organic fraction of atmospheric aerosols contains a multitude of compounds and usually only a small fraction can be identified and quantified. However, a limited number of representative organic c...
Technical note: Analytical formulae for the critical supersaturations and droplet diameters of CCN containing insoluble material
supersaturations droplet diameters CCN insoluble material
2008/11/4
In this paper, we consider the cloud drop activation of aerosol particles consisting of water soluble material and an insoluble core. Based on the Köhler theory, we derive analytical equations fo...