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Evidence for liquid-phase cirrus cloud formation from volcanic aerosols - Climatic implicationsSupercooled droplets in cirrus uncinus cell heads between -40 and -50 C are identified from the First International Satellite Cloud Climatology Project Regional Experiment polarization lidar measurements. Although short-lived, complexes of these small liquid cells seem to have contributed importantly to the formation of the cirrus. Freezing-point depression effects in solution droplets, apparently resulting from relatively large cloud condensation nuclei of volcanic origin, can be used to explain this rare phenomenon. An unrecognized volcano-cirrus cloud climate feedback mechanism is implied by these findings.
Document ID
19920068831
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Sassen, Kenneth
(Utah, University Salt Lake City, United States)
Date Acquired
August 15, 2013
Publication Date
July 24, 1992
Publication Information
Publication: Science
Volume: 257
Issue: 5069
ISSN: 0036-8075
Subject Category
Meteorology And Climatology
Accession Number
92A51455
Funding Number(s)
CONTRACT_GRANT: NAG1-868
CONTRACT_GRANT: NSF ATM-89-14348
Distribution Limits
Public
Copyright
Other

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