Atmospheric Chemistry and Physics The direct radiative effect of biomass burning aerosols over southern Africa
Abstract. A multi-column radiative transfer code is used to assess the direct radiative effect of biomass burning aerosols over the southern African region during September. The horizontal distribution of biomass smoke is estimated from two sources; i) General Circulation Model (GCM) simulations com...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.405.783 2023-05-15T13:06:05+02:00 Atmospheric Chemistry and Physics The direct radiative effect of biomass burning aerosols over southern Africa S. J. Abel E. J. Highwood J. M. Haywood M. A. Stringer The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.405.783 http://hal.archives-ouvertes.fr/docs/00/29/57/08/PDF/acp-5-1999-2005.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.405.783 http://hal.archives-ouvertes.fr/docs/00/29/57/08/PDF/acp-5-1999-2005.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://hal.archives-ouvertes.fr/docs/00/29/57/08/PDF/acp-5-1999-2005.pdf text ftciteseerx 2016-01-08T03:02:41Z Abstract. A multi-column radiative transfer code is used to assess the direct radiative effect of biomass burning aerosols over the southern African region during September. The horizontal distribution of biomass smoke is estimated from two sources; i) General Circulation Model (GCM) simulations combined with measurements from the Aerosol Robotic Network (AERONET) of Sun photometers; ii) data from the Moderate resolution Imaging Spectrometer (MODIS) satellite. Aircraft and satellite measurements are used to constrain the cloud fields, aerosol optical properties, vertical structure, and land surface albedo included in the model. The net regional direct effect of the biomass smoke is −3.1 to −3.6 Wm−2 at the top of atmosphere, and −14.4 to −17.0 Wm−2 at the surface for the MODIS and GCM distributions of aerosol. The direct radiative effect is shown to be highly sensitive to the prescribed vertical profiles and aerosol optical properties. The diurnal cycle of clouds and the spectral dependency of surface albedo are also shown to play an important role. 1 Text Aerosol Robotic Network Unknown |
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English |
description |
Abstract. A multi-column radiative transfer code is used to assess the direct radiative effect of biomass burning aerosols over the southern African region during September. The horizontal distribution of biomass smoke is estimated from two sources; i) General Circulation Model (GCM) simulations combined with measurements from the Aerosol Robotic Network (AERONET) of Sun photometers; ii) data from the Moderate resolution Imaging Spectrometer (MODIS) satellite. Aircraft and satellite measurements are used to constrain the cloud fields, aerosol optical properties, vertical structure, and land surface albedo included in the model. The net regional direct effect of the biomass smoke is −3.1 to −3.6 Wm−2 at the top of atmosphere, and −14.4 to −17.0 Wm−2 at the surface for the MODIS and GCM distributions of aerosol. The direct radiative effect is shown to be highly sensitive to the prescribed vertical profiles and aerosol optical properties. The diurnal cycle of clouds and the spectral dependency of surface albedo are also shown to play an important role. 1 |
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The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
S. J. Abel E. J. Highwood J. M. Haywood M. A. Stringer |
spellingShingle |
S. J. Abel E. J. Highwood J. M. Haywood M. A. Stringer Atmospheric Chemistry and Physics The direct radiative effect of biomass burning aerosols over southern Africa |
author_facet |
S. J. Abel E. J. Highwood J. M. Haywood M. A. Stringer |
author_sort |
S. J. Abel |
title |
Atmospheric Chemistry and Physics The direct radiative effect of biomass burning aerosols over southern Africa |
title_short |
Atmospheric Chemistry and Physics The direct radiative effect of biomass burning aerosols over southern Africa |
title_full |
Atmospheric Chemistry and Physics The direct radiative effect of biomass burning aerosols over southern Africa |
title_fullStr |
Atmospheric Chemistry and Physics The direct radiative effect of biomass burning aerosols over southern Africa |
title_full_unstemmed |
Atmospheric Chemistry and Physics The direct radiative effect of biomass burning aerosols over southern Africa |
title_sort |
atmospheric chemistry and physics the direct radiative effect of biomass burning aerosols over southern africa |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.405.783 http://hal.archives-ouvertes.fr/docs/00/29/57/08/PDF/acp-5-1999-2005.pdf |
genre |
Aerosol Robotic Network |
genre_facet |
Aerosol Robotic Network |
op_source |
http://hal.archives-ouvertes.fr/docs/00/29/57/08/PDF/acp-5-1999-2005.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.405.783 http://hal.archives-ouvertes.fr/docs/00/29/57/08/PDF/acp-5-1999-2005.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766402717488513024 |