Global warming potential: Difference between revisions
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<b>Global warming potential</b> (GWP) is a measure of how much a given mass of [[greenhouse gas]] is |
<b>Global warming potential</b> (GWP) is a measure of how much a given mass of [[greenhouse gas]] is estimaed to contribute to [[global warming]]. It is a relative scale which compares the gas in question to that of the same mass of [[carbon dioxide]] whose GWP is one. |
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'''Examples:''' |
'''Examples:''' |
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*[[carbon dioxide]] has a GWP of exactly 1 (since it is the baseline unit to which all other [[greenhouse gas]]es are compared.) |
*[[carbon dioxide]] has a GWP of exactly 1 (since it is the baseline unit to which all other [[greenhouse gas]]es are compared.) |
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*[[methane]] has a GWP of 21 |
*[[methane]] has a GWP of 21 |
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*[[ |
*[[nitrogen dioxide]] has a GWP of 310 |
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Some |
Some [[hydrofluorocarbon]] (HFC) compounds have GWPs of several thousands (HFC-23 is 11,700). |
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Revision as of 09:27, 24 July 2002
Global warming potential (GWP) is a measure of how much a given mass of greenhouse gas is estimaed to contribute to global warming. It is a relative scale which compares the gas in question to that of the same mass of carbon dioxide whose GWP is one.
Examples:
- carbon dioxide has a GWP of exactly 1 (since it is the baseline unit to which all other greenhouse gases are compared.)
- methane has a GWP of 21
- nitrogen dioxide has a GWP of 310
Some hydrofluorocarbon (HFC) compounds have GWPs of several thousands (HFC-23 is 11,700).