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Predicting Greenhouse Gas Emissions From Flares - SCS Global ...

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<strong>Global</strong> Warming Potentials (GWPs(<br />

GWPs)<br />

• Relative measure of climate forcing of 1kg of<br />

substance compared to 1kg of CO 2<br />

– Usually defined on a 100 year time horizon<br />

– Established by Intergovernmental Panel on Climate<br />

Change (IPCC)<br />

– Used to make GHG calculations on a CO 2 equivalent<br />

basis<br />

<strong>Gas</strong><br />

Lifetime<br />

(years)<br />

<strong>Global</strong> Warming Potential<br />

(Time horizon in years)<br />

20 yrs 100 yrs 500 yrs<br />

Carbon dioxide CO 2<br />

1 1 1<br />

Methane CH 4<br />

12.0 62 23 7

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