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Solving methane mysteries with satellite imagery
By combining two types of remote sensing data, we can see hidden leaks from ships
At least three major satellite programmes now exist — NASA EMIT, GHGSat and MethaneSAT — and the data that they’re sending back to Earth is making darkness visible, revealing huge plumes that have in some cases been flowing for decades. A growing body of scientific work has emerged around this new data, using visual satellite imagery and maps of global oil and gas infrastructure to help identify and attribute the methane plumes observed from space. Sarah, GMET’s project manager, sent us a list of all methane plumes in their database observed in or around LNG import and export terminals in the United States, where the most comprehensive measurement campaigns have so far taken place.
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