GREENHOUSE GASES and GHG CHEMISTRY
Global Warming Potential (GWP)
(GWP relates the impact of emissions of a gas to that of emission of an equivalent mass of CO 2 )
Greenhouse Gas
Carbon Dioxide
Methane
Nitrous Oxide
Chemical Formula GWP at Time Horizon
100-yr
20-yr
CO2
CH4
N2O
1
25
298
1
72
289
Adapted from: https://www.ipcc.ch/publications_and_data/ar4/wg1/en/ch2s2-10-2.html
and http://www.ipcc.ch/ipccreports/sres/aviation/index.php?idp=71
http://www2.epa.gov/sites/production/files/styles/large/public/2014-05/ghg-chart.png?itok=ad79vwy9
http://scied.ucar.edu/sites/default/files/imag
es/large_image_for_image_content/co2_mol
Greenhouse Gases
N2O
Gas
http://scied.ucar.edu/sites/default/files/image
s/large_image_for_image_content/ch4_molec
ule_720x400.gif
Adapted from:
https://mls.jpl.nasa.gov/images/N2O.jpg
Alternate name
Carbon dioxide
Carbonic anhydride
Methane
Marsh gas
Nitrous Oxide
Laughing gas
https://www.ucar.edu/learn/images/radiate.gif
https://en.wikipedia.org/wiki/IPCC_list_of_greenhouse_gases
EMISSIONS and SOURCES
http://www.eia.gov/tools/faqs/faq.cfm?id=77&t=3
a
http://www.epa.gov/climatechange/ghgemissions/global.html a,b
U.S. Nitrous Oxide Emissions, By
Source
U.S. Methane Emissions, By Source
b
http://www.icbe.com/emissions/calculate.asp
http://www.epa.gov/climatechange/images/indicator_figures/global-ghg-emissions-figure2-2014.png