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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 36 — Dec. 20, 2002
  • pp: 7540–7549

Optical and physical properties of stratospheric aerosols from balloon measurements in the visible and near-infrared domains. II. Comparison of extinction, reflectance, polarization, and counting measurements

Jean-Baptiste Renard, Gwenaël Berthet, Claude Robert, Michel Chartier, Michel Pirre, Colette Brogniez, Maurice Herman, Christian Verwaerde, Jean-Yves Balois, Joëlle Ovarlez, Henri Ovarlez, Jacques Crespin, and Terry Deshler  »View Author Affiliations


Applied Optics, Vol. 41, Issue 36, pp. 7540-7549 (2002)
http://dx.doi.org/10.1364/AO.41.007540


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Abstract

The physical properties of stratospheric aerosols can be retrieved from optical measurements involving extinction, radiance, polarization, and counting. We present here the results of measurements from the balloonborne instruments AMON, SALOMON, and RADIBAL, and from the French Laboratoire de Météorologie Dynamique and the University of Wyoming balloonborne particle counters. A cross comparison of the measurements was made for observations of background aerosols conducted during the polar winters of February 1997 and January–February 2000 for various altitudes from 13 to 19 km. On the one hand, the effective radius and the total amount of background aerosols derived from the various sets of data are similar and are in agreement with pre-Pinatubo values. On the other hand, strong discrepancies occur in the shapes of the bimodal size distributions obtained from analysis of the raw measurements of the various instruments. It seems then that the log-normal assumption cannot fully reproduce the size distribution of background aerosols. The effect of the presence of particular aerosols on the measurements is discussed, and a new strategy for observations is proposed.

© 2002 Optical Society of America

OCIS Codes
(010.1100) Atmospheric and oceanic optics : Aerosol detection
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements

History
Original Manuscript: March 18, 2002
Revised Manuscript: September 17, 2002
Published: December 20, 2002

Citation
Jean-Baptiste Renard, Gwenaël Berthet, Claude Robert, Michel Chartier, Michel Pirre, Colette Brogniez, Maurice Herman, Christian Verwaerde, Jean-Yves Balois, Joëlle Ovarlez, Henri Ovarlez, Jacques Crespin, and Terry Deshler, "Optical and physical properties of stratospheric aerosols from balloon measurements in the visible and near-infrared domains. II. Comparison of extinction, reflectance, polarization, and counting measurements," Appl. Opt. 41, 7540-7549 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-36-7540

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