Reply to comments on "Effective radius of ice cloud particle populations derived from aircraft probes" by Heymsfield et al, 2006

AMS Citation:
Heymsfield, A. J., C. G. Schmitt, A. R. Bansemer, G. -J. VanZadelhoff, M. J. McGill, C. Twohy, and D. Baumgardner, 2007: Reply to comments on "Effective radius of ice cloud particle populations derived from aircraft probes" by Heymsfield et al, 2006. Journal of Atmospheric and Oceanic Technology, 24, 1511-1518, doi:10.1175/JTECH2077.1.
Date:2007-08-01
Resource Type:article
Title:Reply to comments on "Effective radius of ice cloud particle populations derived from aircraft probes" by Heymsfield et al, 2006
Abstract: Gerber (2007, hereafter Ge07) and Garrett (2007,hereafter Ga07) have written comments in reference to Heymsfield et al. (2006, hereafter H06). Dr. Gerber is the developer of the cloud-integrating nelphelometer (CIN) probe that, with assumptions, directly measures volume extinction coefficient in visible wavelengths the asymmetry parameter (Gerber et al. 2000). Professor Garrett, using data, wrote a seminal paperon the relationship of ice cloud effective radius to air temperature (Garrett et al. 2003). In their 2006 paper,that the ice cloud volume extinction coefficient visible wavelengths, δ, measured by the CIN probe may be overestimated by a factor of ∼2. The measurements supporting this were taken from CIN probes and particle probes on two aircraft in the Cirrus Regional Study of Tropical Anvils and Cirrus Layers-coauthor and asking whether they had scientific arguments disagreeing with the interpretations presented. Gerber’s response was forwarded within days and is noted in H06’s acknowledgments. Garrett also provided comments. The comments in Ge07 are addressed in section 2a and those of Ga07 in section 2b. Conclusions are summarized in section 3.
Subject(s):Cloud observations, Aircraft observations, Ice particles, Instumentation
Peer Review:Refereed
Copyright Information:Copyright 2007 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/d7zw1m69
Publisher's Version: 10.1175/JTECH2077.1
Author(s):
  • Andrew Heymsfield - NCAR/UCAR
  • Carl Schmitt - NCAR/UCAR
  • Aaron Bansemer - NCAR/UCAR
  • Gerd-Jan vanZadelhoff
  • Matthew McGill
  • Cynthia Twohy
  • Darrel Baumgardner - NCAR/UCAR
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