Measurements of desert dust optical characteristics at Porte au Sahara during SAMUM

W. Von Hoyningen-Huene; T. Dinter; A. A. Kokhanovsky; J. P. Burrows; M. Wendisch; E. Bierwirth; D. Mueller; M. Diouri

doi:10.1111/j.1600-0889.2008.00405.x

Measurements of desert dust optical characteristics at Porte au Sahara during SAMUM

W. Von Hoyningen-Huene, T. Dinter, A. A. Kokhanovsky, J. P. Burrows, M. Wendisch, E. Bierwirth, D. Mueller, M. Diouri

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Abstract

Main optical characteristics of desert dust, such as phase function and single scattering albedo, have been derived from combinations of sun-/sky-radiometer and satellite measurements during the SAMUM experiment (10 May-10 June 2006) at the site Porte au Sahara (30.237 degrees N, 5.607 degrees W) in South Morocco. Scattering phase functions have been retrieved using combined data of spectral aerosol optical thickness (AOT) and spectral sky brightness in the almucantar, considering non-spherical light scattering. Intercomparisons of modelled top-of-atmosphere (TOA) reflectance with satellite observations of the Medium Resolution Imaging Spectrometer (MERIS) and Scanning Imaging Absorption Spectrometer for Atmospheric Chartography () instrument have been used for the estimation of spectral single scattering albedo. For the radiative transfer calculations scattering phase functions and AOT from ground-based observations have been used. The spectral single scattering albedo ranges from 0.93 in the blue to 0.98 at 753 nm.

Original language	English
Pages (from-to)	206-215
Number of pages	10
Journal	Tellus Series B-Chemical and Physical Meteorology
Volume	61
Issue number	1
DOIs	https://doi.org/10.1111/j.1600-0889.2008.00405.x
Publication status	Published - Feb 2009

Keywords

APPROXIMATION
SCATTERING
RADIATIVE PROPERTIES
AEROSOL-PARTICLES
MINERAL AEROSOL

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10.1111/j.1600-0889.2008.00405.x

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title = "Measurements of desert dust optical characteristics at Porte au Sahara during SAMUM",

abstract = "Main optical characteristics of desert dust, such as phase function and single scattering albedo, have been derived from combinations of sun-/sky-radiometer and satellite measurements during the SAMUM experiment (10 May-10 June 2006) at the site Porte au Sahara (30.237 degrees N, 5.607 degrees W) in South Morocco. Scattering phase functions have been retrieved using combined data of spectral aerosol optical thickness (AOT) and spectral sky brightness in the almucantar, considering non-spherical light scattering. Intercomparisons of modelled top-of-atmosphere (TOA) reflectance with satellite observations of the Medium Resolution Imaging Spectrometer (MERIS) and Scanning Imaging Absorption Spectrometer for Atmospheric Chartography () instrument have been used for the estimation of spectral single scattering albedo. For the radiative transfer calculations scattering phase functions and AOT from ground-based observations have been used. The spectral single scattering albedo ranges from 0.93 in the blue to 0.98 at 753 nm.",

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author = "{Von Hoyningen-Huene}, W. and T. Dinter and Kokhanovsky, {A. A.} and Burrows, {J. P.} and M. Wendisch and E. Bierwirth and D. Mueller and M. Diouri",

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AU - Von Hoyningen-Huene, W.

AU - Dinter, T.

AU - Kokhanovsky, A. A.

AU - Burrows, J. P.

AU - Wendisch, M.

AU - Bierwirth, E.

AU - Mueller, D.

AU - Diouri, M.

N1 - This journal is published under the terms of the Creative Commons Attribution-Noncommercial 3.0 Unported License

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N2 - Main optical characteristics of desert dust, such as phase function and single scattering albedo, have been derived from combinations of sun-/sky-radiometer and satellite measurements during the SAMUM experiment (10 May-10 June 2006) at the site Porte au Sahara (30.237 degrees N, 5.607 degrees W) in South Morocco. Scattering phase functions have been retrieved using combined data of spectral aerosol optical thickness (AOT) and spectral sky brightness in the almucantar, considering non-spherical light scattering. Intercomparisons of modelled top-of-atmosphere (TOA) reflectance with satellite observations of the Medium Resolution Imaging Spectrometer (MERIS) and Scanning Imaging Absorption Spectrometer for Atmospheric Chartography () instrument have been used for the estimation of spectral single scattering albedo. For the radiative transfer calculations scattering phase functions and AOT from ground-based observations have been used. The spectral single scattering albedo ranges from 0.93 in the blue to 0.98 at 753 nm.

AB - Main optical characteristics of desert dust, such as phase function and single scattering albedo, have been derived from combinations of sun-/sky-radiometer and satellite measurements during the SAMUM experiment (10 May-10 June 2006) at the site Porte au Sahara (30.237 degrees N, 5.607 degrees W) in South Morocco. Scattering phase functions have been retrieved using combined data of spectral aerosol optical thickness (AOT) and spectral sky brightness in the almucantar, considering non-spherical light scattering. Intercomparisons of modelled top-of-atmosphere (TOA) reflectance with satellite observations of the Medium Resolution Imaging Spectrometer (MERIS) and Scanning Imaging Absorption Spectrometer for Atmospheric Chartography () instrument have been used for the estimation of spectral single scattering albedo. For the radiative transfer calculations scattering phase functions and AOT from ground-based observations have been used. The spectral single scattering albedo ranges from 0.93 in the blue to 0.98 at 753 nm.

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KW - SCATTERING

KW - RADIATIVE PROPERTIES

KW - AEROSOL-PARTICLES

KW - MINERAL AEROSOL

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DO - 10.1111/j.1600-0889.2008.00405.x

M3 - Article

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JO - Tellus Series B-Chemical and Physical Meteorology

JF - Tellus Series B-Chemical and Physical Meteorology

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ER -

Measurements of desert dust optical characteristics at Porte au Sahara during SAMUM

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Keywords

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