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Related: About this forumCatastrophic Ohio Methane Leak Stayed Hidden Until a Satellite Found It
By Rafi Letzter 5 hours ago
A blowout in Ohio made little news in 2018, but satellite images show it was a major global event.
A still from an Ohio State Highway Patrol video shows the leak in February 2018.
(Image: © Ohio State Highway Patrol)
A little-noticed 2018 methane leak at an Exxon Mobil site in Ohio was one of the worst in recent memory, outpacing the methane emissions from the entire oil and gas industries of many countries.
That's according to a paper published Dec. 16 in the journal Proceedings of the National Academy of Sciences and first reported in the The New York Times. When the natural gas well in Belmont County, Ohio, blew in February, it was a significant local event, prompting the evacuation of about 100 residents within a 1-mile (1.6 kilometers) radius, the Times reported. But it wasn't clear how large the leak was until researchers in the new paper, studying data from a new European Space Agency (ESA) methane-monitoring satellite, spotted the plume. The blown well was pumping 132 tons (120 metric tons) of methane into the atmosphere every hour, give or take 35 tons (32 metric tons). That's nearly double the rate of a much more famous leak reported at a SoCalGas site in Aliso Canyon, California, in 2015.
Invisible, odorless methane is one of the most important sources of greenhouse gases after carbon dioxide, the researchers wrote, accounting for at least one-quarter of all global warming that greenhouse gases are causing in 2019. That's despite the substance's concentration in the atmosphere, which is much lower than CO2's. The gas is 80 times more potent at warming the planet than carbon dioxide in the first decade after the substance released.
Methane is also, in some ways, a simpler problem to address: Emissions of this gas hang around in the atmosphere for just 10 years, while carbon dioxide can last thousands of years. But methane emissions are difficult to track, with many significant emissions sources likely going unreported, the authors of the new study wrote. The advent of remote methane-sensing equipment on ESA satellites is offering researchers a new window onto the problem.
The sheer scale of the Ohio incident might have gone unnoticed if the team of Dutch and U.S. researchers behind this paper hadn't decided to specifically look for the leak in the satellite data after hearing reports of the blowout, the Times wrote. The researchers spotted the leak's plume traveling north along the Ohio-Pennsylvania border and then east into Pennsylvania.
More:
https://www.space.com/giant-methane-leak-exxon-pennsylvania.html
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Catastrophic Ohio Methane Leak Stayed Hidden Until a Satellite Found It (Original Post)
Judi Lynn
Dec 2019
OP
Backseat Driver
(4,393 posts)1. Plus, we got those methane maker cows a plenty!
Bearware
(151 posts)2. If we ever pass a list of "Crimes Against the Earth" this should be near the top with immense fines
JDC
(10,129 posts)3. They'll no doubt be fined a whopping 2 million w/ an opportunity
Of making that up in subsidies if they promise to clean it up and make contribution to some "charity"
or fund some study.