Nitrous oxide global warming potential

Each greenhouse gas differs in its ability to absorb heat in the atmosphere. HFCs and PFCs are the most heat-absorbent. Methane traps over 21 times more heat per molecule than carbon dioxide, and nitrous oxide absorbs 270 times more heat per molecule than carbon dioxide. Often, estimates of greenhouse gas emissions are presented in units of millions of metric tons of carbon equivalents (MMTCE), which weighs each gas by its GWP value, that is, Global Warming Potential. 

Globally, the oxides of nitrogen, NO (nitric oxide), NO2 (nitrogen oxide), and N2O (nitrous oxide), are key species involved in the chemistry of the troposphere and stratosphere. NO and N2O are produced mostly by microbial soil activity, whereas biomass burning is also an important source of NO. Nitric oxide is a species involved in the photochemical production of ozone in the troposphere, is involved in the chemical produaion of nitric acid, and is an important component of acid precipitation. Nitrous oxide plays a key role in stratospheric ozone depletion and is an important greenhouse gas, with a global warming potential more than 200 times that of CO2. 

On the molecular basis what is the global warming potential for thermal adsorption of nitrous oxide as compared to carbon dioxide ... 

The characterisation factors for global warming potentials used in most of the studies reviewed are outdated in the meantime (GWPjqo for methane and nitrous oxide) The GWP equivalence factors used in the various studies are 11 or 21 for CH4 and 270 or 310 for N2O, while - according to the current state of research - more accurate figures are 23 (CH4) and 296 (N2O) [44]. Since the contribution of CO2 dominates the overall GHG effect, this uncertainty is considered to be less important. 

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