Aircraft-Produced Contrails: Formation, Microphysical Properties and Climate Effects

Andrew HeymsfieldNCARBoulder, CO

This seminar will review the current state of understanding of the science of aircraft-produced contrails: 1) how they are formed, 2) their microphysical properties as they evolve, and 3) the ice nucleating properties of soot aerosols and whether these aerosols can nucleate cirrus crystals. Key gaps and underlying uncertainties in our understanding of contrails and their effect on local, regional and global climate are identified.

This seminar will be recorded and available to view via webcast at:

Thursday, 23 January 2014, 3:30 PM

Refreshments 3:15 PM

NCAR-Foothills Laboratory3450 Mitchell LaneBldg 2 Small Seminar Room 1001


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Will this event be webcast to the public by NCAR|UCAR?: 
Calendar timing: 
Thursday, January 23, 2014 - 3:30pm