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A study of stratospheric aerosol maturityA sampling and analysis technique that uses the binomial distribution to characterize stratospheric aerosol populations at the 95% level of confidence is described. Particle samples obtained over Alaska during July 15-19, 1979, are used; the results show the presence of more small particles at lower altitude than at high altitudes. Calculations of the surface area and volume distributions for all aerosol samples collected are given. Evidence from these data suggests either that Aitken nuclei are injected or diffused across the tropopause and rise into the stratosphere, where they mature into larger particles, or nuclei form in the lower stratosphere and become mature aerosols at high altitude. Samples obtained at another site give the same results, supporting the view that the process of injection or nucleation and maturing of aerosols with altitude may be global and need not occur only in locations exhibiting unique meteorologic features.
Document ID
19810038700
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Oberbeck, V. R.
(NASA Ames Research Center Moffett Field, CA, United States)
Farlow, N. H.
(NASA Ames Research Center Moffett Field, CA, United States)
Ferry, G. V.
(NASA Ames Research Center Moffett Field, Calif., United States)
Lem, H. Y.
(NASA Ames Research Center Moffett Field, CA, United States)
Hayes, D. M.
(LFE Corp. Environmental Analysis Laboratories, Richmond, Calif., United States)
Date Acquired
August 11, 2013
Publication Date
January 1, 1981
Publication Information
Publication: Geophysical Research Letters
Volume: 8
Subject Category
Geophysics
Accession Number
81A23104
Distribution Limits
Public
Copyright
Other

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