Abstract
It is found that the existence of large quantities of dry-air entrainment has a major impact on the evolution of the cloud microphysics. Near to the cloud base the growth of newly nucleated droplets causes a rapid increase in the droplet effective radius with height. Higher in the cloud, dry-air entrainment results in new nucleation of small droplets at all heights in the cloud and the complete evaporation of some of the pre-existing droplets. The effect of this is that the horizontally averaged effective radius becomes a very weak function of height. The value of the effective radius is most strongly influenced by the CCN spectrum entering through the cloud base. This means that differences between oceanic and continental clouds are reflected in different values for the effective radius. -from Authors
| Original language | English |
|---|---|
| Pages (from-to) | 443-456 |
| Number of pages | 13 |
| Journal | Quarterly Journal of the Royal Meteorological Society |
| Volume | 119 |
| Issue number | 511 |
| Publication status | Published - 1993 |