Atmospheric composition and climate/Description: Difference between revisions
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|Reference= Forster et al., 2007; WMO/UNEP, 2013; | |Reference= Forster et al., 2007; WMO/UNEP, 2013; | ||
|Description=The IMAGE climate model calculates atmospheric CO2 concentration levels, on the basis of CO2 emission data for energy, industry and land-use change ([[Emissions]]), terrestrial carbon balance ([[Natural vegetation and carbon cycle]]), and carbon uptake by the oceans (calculated in [[MAGICC model|MAGICC]] on the basis of the [[Bern Ocean Carbon model]]). For other long-lived greenhouse gases (CH4, N2O, and halocarbons), and ozone (O3) precursors (CO, NMVOC), MAGICC calculates the resulting emissions via a simple atmospheric chemistry module. Halocarbons and N2O concentrations mostly show a simple mass-concentration conversion and half-life behaviour. CH4 and ozone dynamics are more complex, with CH4 lifetime depending on the OH concentration level, and both O3 and OH concentration levels depending on CH4, NOx, CO and NMVOC emissions ([[Meinshausen et al., 2011b]]). | |Description=The IMAGE climate model calculates atmospheric CO2 concentration levels, on the basis of CO2 emission data for energy, industry and land-use change ([[Emissions]]), terrestrial carbon balance ([[Natural vegetation and carbon cycle]]), and carbon uptake by the oceans (calculated in [[MAGICC model|MAGICC]] on the basis of the [[Bern Ocean Carbon model]]). For other long-lived greenhouse gases (CH4, N2O, and halocarbons), and ozone (O3) precursors (CO, NMVOC), MAGICC calculates the resulting emissions via a simple atmospheric chemistry module. Halocarbons and N2O concentrations mostly show a simple mass-concentration conversion and half-life behaviour. CH4 and ozone dynamics are more complex, with CH4 lifetime depending on the OH concentration level, and both O3 and OH concentration levels depending on CH4, NOx, CO and NMVOC emissions ([[Meinshausen et al., 2011b]]). | ||
Revision as of 11:21, 7 January 2014
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