source: ipcc 2007
DESCRIPTION
source: IPCC 2007. Chiquicamata, Chile. Cloud droplet concentration. Twomey. Albrecht. Model estimates of the two major aerosol indirect effects (AIEs). Pincus and Baker (1994) – 1 st and 2 nd AIEs comparable GCMs (Lohmann and Feichter 2005) 1 st AIE: -0.5 to -1.9 W m -2 - PowerPoint PPT PresentationTRANSCRIPT
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source: IPCC 2007
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Cloud droplet concentration
Chiquicamata, Chile
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Twomey
Albrecht
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Model estimates of the two major aerosol indirect effects (AIEs)
• Pincus and Baker (1994) – 1st and 2nd AIEs
comparable
• GCMs (Lohmann and Feichter 2005) 1st AIE: -0.5 to -1.9 W
m-2
2nd AIE: -0.3 to -1.4 W m-2
Limited investigation of factors that control the relative importance of the two AIEs