NDLI: Feasibility of Retrieving Cloud Condensation Nucleus Properties from Doppler Cloud Radar, Microwave Radiometer, and Lidar

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Feasibility of Retrieving Cloud Condensation Nucleus Properties from Doppler Cloud Radar, Microwave Radiometer, and Lidar

Content Provider	Semantic Scholar
Author	Feingold, Graham Yang, Shuowen Hardesty, R. M. Cotton, William R.
Copyright Year	1998
Abstract	Abstract This paper explores the possibilities of using Ka-band Doppler radar, microwave radiometer, and lidar as a means of retrieving cloud condensation nucleus (CCN) properties in the stratocumulus-capped marine boundary layer. The retrieval is based on the intimate relationship between the cloud drop number concentration, the vertical air motion at cloud base, and the CCN activation spectrum parameters. The CCN properties that are sought are the C and k parameters in the N = CSk relationship, although activation spectra based on the lognormal distribution of particles is also straightforward. Cloud droplet concentration at cloud base is retrieved from a Doppler cloud radar combined with a microwave radiometer following a previously published technique. Cloud base is determined from a lidar or ceilometer. Vertical velocity just above cloud base is determined from the vertically pointing Doppler cloud radar. By combining the simultaneous retrievals of drop number and vertical velocity, and assuming theo.
Starting Page	1188
Ending Page	1195
Page Count	8
File Format	PDF HTM / HTML
Volume Number	15
Alternate Webpage(s)	http://rams.atmos.colostate.edu/cotton/vita/112.pdf
Alternate Webpage(s)	https://doi.org/10.1175/1520-0426%281998%29015%3C1188%3AFORCCN%3E2.0.CO%3B2
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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