Primary tabs

 

Disclaimer: This material is being kept online for historical purposes. Though accurate at the time of publication, it is no longer being updated. The page may contain broken links or outdated information, and parts may not function in current web browsers. Visit https://espo.nasa.gov for information about our current projects.

 

Global identification of warm cloud microphysical processes with combined use...

Suzuki, K., and G. Stephens (2008), Global identification of warm cloud microphysical processes with combined use of A-Train observations, Geophys. Res. Lett., 35, L08805, doi:10.1029/2008GL033590.
Abstract: 

The layer-mean radar reflectivity Z e observed by CloudSat and the columnar effective particle radius Re obtained from a combined microwave-shortwave analysis are combined to investigate the joint relationships between Z e and Re for warm clouds. Global statistics for seasonally averaged data reveals that radar reflectivities Z e less than about -10 dBZ tend to relate to the effective radius via a sixth-power dependency, corresponding to a constant number concentration implying that the condensation particle growth process mainly takes place within the cloud layer for Z e < -10 dBZ. For Z e > -10 dBZ, Z e depends on Re through a cubic relation, corresponding to a constant mass concentration implying coagulation as the dominant particle growth process. These microphysical regimes so identified are shown to be consistent with CloudSat-inferred rainfall rate.

PDF of Publication: 
Download from publisher's website.
Mission: 
CloudSat