Model Update Info Blog

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Alf Kirkevag: 15/2/2012

CAM4-Oslo-Vcmip5.A2 is the model version we would like the inter-comparison groups to use (for the time being, see below). It uses 2006 emissions of aerosols and precursors, but the meteorology is “climatological” (9999).

CAM4-Oslo-Vcmip5online.A2 is the same version as CAM4-Oslo-Vcmip5.A2, except that it has been run in online modus (thus giving different meteorology in CTRL and PRE), not offline as was required for the standard forcing experiments.

CAM4-Oslo-Vcmip5emi2000.A2 is the same version as CAM4-Oslo-Vcmip5.A2, except that it has been run with 2000 (instead of 2006) emissions, and only we only have data from 1 year (instead of 5 years). These data may be important for the direct radiative forcing study, since many/most other models seem to have been run with 2000 emissions but 2006 meteorology.

CAM4-Oslo.A2 is an old version and should not be used.