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AGU: Geophysical Research Letters

 

Index Terms

  • Atmospheric Composition and Structure: Aerosols and particles
  • Atmospheric Composition and Structure: Radiation: transmission and scattering
  • Global Change: Land cover change
  • Atmospheric Processes: Radiative processes
  • Atmospheric Processes: Remote sensing

Abstract

Radiative effect of surface albedo change from biomass burning

Gunnar Myhre

Department of Geosciences, University of Oslo, Oslo, Norway

Yves Govaerts

European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT), Darmstadt, Germany

Jim M. Haywood

Met Office, Exeter, UK

Terje K. Berntsen

Department of Geosciences, University of Oslo, Oslo, Norway

Alessio Lattanzio

MakaluMedia, Darmstadt, Germany

The radiative impact of burn scars from biomass is investigated. Changes in surface albedo derived from satellite observations over the African continent are used as a first order indication of this impact. Because the direct radiative effect of aerosols from biomass burning is dependent on the underlying surface albedo, we investigate the interaction of the direct radiative effect due to biomass burning aerosols with the change in surface reflection due to the burn scars. The radiative effect of reduced surface albedo from burn scars is estimated to be close to 0.1 Wm−2 over a region covering the African continent.

Received 6 March 2005; accepted 13 September 2005; published 26 October 2005.

Citation: Myhre, G., Y. Govaerts, J. M. Haywood, T. K. Berntsen, and A. Lattanzio (2005), Radiative effect of surface albedo change from biomass burning, Geophys. Res. Lett., 32, L20812, doi:10.1029/2005GL022897.

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