Electron microscope analysis of residual particles from aircraft contrails

Citeable URL: https://ir.library.oregonstate.edu/concern/articles/3484zj53x

Descriptions

Attribute Name	Values
Creator	Twohy, Cynthia Gandrud, Bruce W.
Abstract	Ice crystal larger than about 5 μm diameter were separated from interstitial particles in aircraft contrails and evaporated. Residual particles larger than 0.1 μm were analyzed by electron microscopy. Soot, metals, and volatile organic substances, apparently from the aircraft exhaust, were found. However, the residual particles also contained high percentages of minerals, thought to be crustal in origin, that were often mixed with sulfur. The percentages of particles in our samples (representing the larger residual particles from relatively large ice crystals) identified as exhaust-derived and the percentage apparently derived from the ambient aerosol were roughly equal, suggesting that ambient particles may be important in contrail formation. Possible explanations for this are presented.
Resource Type	Article
DOI	https://doi.org/10.1029/97GL03162
Date Available	2010-04-19T23:09:25+00:00
Date Issued	1998
Citation	Twohy, C. H. , and Gandrud, B. W., 1998, Electron microscope analysis of residual particles from aircraft contrails: Geophys.Res. Lett., v. 25, p. 1,359-1,362.
Journal Title	Geophysical Research Letters
Journal Volume	25
Journal Issue/Number	9
Rights Statement	Copyright Not Evaluated
Publisher	American Geophysical Union
Language	English [eng]
Replaces	http://hdl.handle.net/1957/15534