LOS ANGELES — An orbital NASA instrument designed mainly to advance studies of airborne dust and its effects on climate change has proven adept at another key…
The device, called an imaging spectrometer, has identified more than 50 methane “super-emitters” in Central Asia, the Middle East and the Southwestern United States since it was installed in July aboard the International Space Station, NASA said on Tuesday.Sign up to receive daily headline news from Ottawa Citizen, a division of Postmedia Network Inc.By clicking on the sign up button you consent to receive the above newsletter from Postmedia Network Inc.
It turns out that methane absorbs infrared light in a unique pattern that EMIT’s spectrometer can easily detect, according to scientists at NASA’s Jet Propulsion Laboratory near Los Angeles, where the instrument was designed and built. A byproduct of decomposing organic material and the chief component of natural gas used in power plants, methane accounts for a fraction of all human-caused greenhouse emissions but has about 80 more heat-trapping capacity pound-for-pound than carbon dioxide.Article content
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