Atmospheric composition and climate/Description: Difference between revisions

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===Downscaling===
===Downscaling===
The global mean temperature change from MAGICC, and maps of temperature and precipitation change are used in a pattern scaling, to derive spatially explicit temperature and precipitation changes used in other IMAGE components ([[Carbon cycle and natural vegetation|carbon cycle]], [[Crops and Grass|crop model]], [[Water|hydrology]], [[Nutrients|nutrients]]).
The global mean temperature change from MAGICC, and maps of temperature and precipitation change are used in a pattern scaling, to derive spatially explicit temperature and precipitation changes used in other IMAGE components ([[Carbon cycle and natural vegetation|carbon cycle]], [[Crops and grass|crop model]], [[Water|hydrology]], [[Nutrients|nutrients]]).


Grid-specific temperature and precipitation changes at the end of the century (2071–2100 compared to 1961–1990) from AR4 {{abbrTemplate|AOGCM}} model results ([[IPCC-DDC, 2007]]) are linearly interpolated based on the MAGGICs global mean temperature change at a certain time step, and the global mean temperature change corresponding to this map. For future calculations, the results of AR5 should be used to update the MAGICC parameterisation for all available AOGCMs, and to update the gridded patterns of climate change.
Grid-specific temperature and precipitation changes at the end of the century (2071–2100 compared to 1961–1990) from AR4 {{abbrTemplate|AOGCM}} model results ([[IPCC-DDC, 2007]]) are linearly interpolated based on the MAGGICs global mean temperature change at a certain time step, and the global mean temperature change corresponding to this map. For future calculations, the results of AR5 should be used to update the MAGICC parameterisation for all available AOGCMs, and to update the gridded patterns of climate change.
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Revision as of 19:15, 20 May 2014