From the American Chemical Society2
Methane (CH4) is a potent greenhouse gas and ozone precursor. Quantifying methane emissions is critical for projecting and mitigating changes to climate and air quality. Here we present CH4 observations made from space combined with Earth-based remote sensing column measurements. Results indicate the largest anomalous CH44 emissions from natural gas. The persistence of this CH4 signal from 2003 onward indicates that the source is likely from established gas, coal, and coalbed methane mining and processing. This work demonstrates that space-based observations can identify anomalous CH4 emission source regions and quantify their emissions with the use of a transport model.
Four corners: The largest US methane anomaly viewed from space by Eric A. Kort, Christian Frankenberg, Keeley R. Costigan, Rodica Lindenmaier, Manvendra K. Dubey and Debra Wunch, DOI: 10.1002/2014GL061503
Read the abstract and get the paper here.
American Chemical Society news release here.
Our story NASA Spots Large Methane "Hot Spot" From Space here.
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