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GHGSat-C1 Detects Smallest Methane Emission Ever Found by Satellite

10 Oct 2020, 10:00 UTC
GHGSat-C1 Detects Smallest Methane Emission Ever Found by Satellite
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Methane emission detected n Alberta. (Credit: GHGSat)

MONTREAL (GHGSat PR) — GHGSat, the global leader in high resolution greenhouse gas monitoring from space, today announced the first results from its latest satellite GHGSat-C1 (“Iris”), which already indicates performance 5 times better than its predecessor.

Launched into low-Earth orbit just last month, “Iris” was tasked with measuring a controlled release of methane from a facility in Alberta, Canada. Ground measurements of the controlled release confirmed an emission rate of 260 kgCH4/hr, comparable to the emissions from a large landfill. The satellite successfully detected the controlled release, less than two weeks after launch.

An aircraft fitted with the same, patented GHGSat high-resolution sensor was flown at the same time over the site providing further data to validate the satellite measurement.

Stephane Germain, GHGSat CEO, said: “We are delighted by these first results and by how quickly we were able to confirm them. We knew Iris would be good, because we incorporated everything we had learned from our demonstration satellite, ‘Claire’, in orbit over the past four years.

“Satellites are complex devices and it takes time to fully characterize instruments and optimize processing software to filter out noise from the signal. We have ...

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