rsmte Klkken 11'12' Februar 2006

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Årsmøte Klækken 11.-12. Februar 2006

• Maria Malene Kvalevåg
• My work since 1th of September

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Main Topics

• Surface albedo and land use change
• Direct and diffuse radiation
• Vegetation changes in NCAR CAM3.0/CLM3.0

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Surface albedo and land use change

• Myhre, G., Kvalevåg, M., Schaaf, C. (2005),
  Radiative forcing due to anthropogenic vegetation
  change based on MODIS data, Geophys. Res. Lett. ,
  Vol.32, doi10.1029/2005GL024004

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Surface albedo change since Preagriculture times
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Radiative Forcing since Pre Industrial times
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Diffuse and Direct radiation changes

• Implications of human impact on the direct and
  diffuse radiation over the industrial era
• Direct aerosol effect
• Sulfate
• Black Carbon
• Organic Carbon
• Bio Mass Burning
• Contrails and Cirrus
• Ozon (stratospheric and tropospheric)
• NO2
• Water vapor
• Indirect aerosol effect

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Direct Aerosol Effect
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Total change of radiation at the surface
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Table of components
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Total change (all contributors)
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Total change of radiation at the surface
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Vegetation changes

• NCAR CAM3.0/CLM3.0
• Water vapour
• Direct human impact on the atmospheric water
  vapor content from land use change