Improved representation of ice particle masses based on observations in natural clouds

AMS Citation:
Heymsfield, A. J., C. G. Schmitt, A. R. Bansemer, and C. H. Twohy, 2010: Improved representation of ice particle masses based on observations in natural clouds. Journal of the Atmospheric Sciences, 67, 3303-3318, doi:10.1175/2010JAS3507.1.
Date:2010-10-01
Resource Type:article
Title:Improved representation of ice particle masses based on observations in natural clouds
Abstract: The mass-dimensional relationship put forth by Brown and Francis has been widely used for developing parameterizations for representing ice cloud microphysical properties. This relationship forms the cornerstone for past and forthcoming retrievals of ice cloud properties from ground-based and spaceborne active and passive sensors but has yet to be rigorously evaluated. This study uses data from six field campaigns to evaluate this mass-dimensional relationship in a variety of ice cloud types and temperatures and to account for the deviations observed with temperature and size, based on properties of the ice particle ensembles. Although the Brown and Francis relationship provides a good match to the observations in a mean sense, it fails to capture dependences on temperature and particle size that are a result of the complex microphysical processes operative within most ice cloud layers. Mass-dimensional relationships that provide a better fit to the observations are developed.
Subject(s):cloud microphysics, Cloud parameterizations
Peer Review:Refereed
Copyright Information:Copyright 2010 American Meteorological Society (AMS). Permission to use figures, tables, and brief excerpts from this work in scientific and educational works is hereby granted provided that the source is acknowledged. Any use of material in this work that is determined to be "fair use" under Section 107 or that satisfies the conditions specified in Section 108 of the U.S. Copyright Law (17 USC, as revised by P.L. 94-553) does not require the Society's permission. Republication, systematic reproduction, posting in electronic form on servers, or other uses of this material, except as exempted by the above statements, requires written permission or license from the AMS. Additional details are provided in the AMS Copyright Policies, available from the AMS at 617-227-2425 or amspubs@ametsoc.org. Permission to place a copy of this work on this server has been provided by the AMS. The AMS does not guarantee that the copy provided here is an accurate copy of the published work.
OpenSky citable URL: ark:/85065/d74m952z
Publisher's Version: 10.1175/2010JAS3507.1
Author(s):
  • Andrew Heymsfield - NCAR/UCAR
  • Carl Schmitt - NCAR/UCAR
  • Aaron Bansemer - NCAR/UCAR
  • Cynthia Twohy
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