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G

GHG

greenhouse gas


global temperature change potential

index measuring the change in global mean surface temperature at a chosen point in time in response to a greenhouse gas (3.1.2.1) emission pulse, relative to the change in temperature attributed to carbon dioxide (CO2)


global warming potential

index, based on radiative properties of greenhouse gases (GHGs) (3.1.2.1), measuring the radiative forcing following a pulse emission of a unit mass of a given GHG in the present-day atmosphere integrated over a chosen time horizon, relative to that of carbon dioxide (CO2)


greenhouse gas

gaseous constituent of the atmosphere, both natural and anthropogenic, that absorbs and emits radiation at specific wavelengths within the spectrum of infrared radiation emitted by the Earth’s surface, the atmosphere and clouds


greenhouse gas emission

release of a GHG (3.1.2.1) into the atmosphere


greenhouse gas emission factor

coefficient relating activity data with the GHG emission (3.1.2.5)


greenhouse gas removal

withdrawal of a GHG (3.1.2.1) from the atmosphere


GTP

global temperature change potential

GWP

global warming potential