A study of cirrus ice particle size distributions using TC4 observations

AMS Citation:
Tian, L., G. M. Heymsfield, A. J. Heymsfield, A. Bansemer, L. Li, C. H. Twohy, and R. C. Srivastava, 2010: A study of cirrus ice particle size distributions using TC4 observations. Journal of the Atmospheric Sciences, 67, 195-216, doi:10.1175/2009JAS3114.1.
Resource Type:article
Title:A study of cirrus ice particle size distributions using TC4 observations
Abstract: An analysis of two days of in situ observations of ice particle size spectra, in convectively generated cirrus, obtained during NASA’s Tropical Composition, Cloud, and Climate Coupling (TC4) mission is presented. The observed spectra are examined for their fit to the exponential, gamma, and lognormal function distributions. Characteristic particle size and concentration density scales are determined using two (for the exponential) or three (for the gamma and lognormal functions) moments of the spectra. It is shown that transformed exponential, gamma, and lognormal distributions should collapse onto standard curves. An examination of the transformed spectra, and of deviations of the transformed spectra from the standard curves, shows that the lognormal function provides a better fit to the observed spectra.
Peer Review:Refereed
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OpenSky citable URL: ark:/85065/d7g73f5n
Publisher's Version: 10.1175/2009JAS3114.1
  • Lin Tian
  • Gerald Heymsfield
  • Andrew Heymsfield - NCAR/UCAR
  • Aaron Bansemer - NCAR/UCAR
  • Lihua Li
  • Cynthia Twohy
  • Ramesh Srivastava
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