Word: palmer
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Dates: during 2010-2019
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...responsible for more than a quarter of that output. The study could help make climate-change models more accurate, and help scientists understand whether increasing temperatures will lead to even higher methane emissions down the road. "It's all about more accurately describing climate in these models," says Paul Palmer, a geoscientist at the University of Edinburgh and a co-author of the Science paper...
...warmer and wetter, the more the methane. Since rice paddies are kept underwater during the wet growing season in Southeast Asia and other major rice producing areas, paddies too serve as ideal factories for methane. "[The farmers] use controlled floods, and that's guaranteed to produce methane," says Palmer...
...data Palmer and his colleagues used came from the Envisat satellite, launched by the European Space Agency, which gave them a rough picture of methane concentrations across the entire atmosphere. They then combined that with measurements from the multinational Gravity Recovery and Climate Experiment (GRACE) satellite, which gave them a broad estimate of planet-wide groundwater levels. Finally they added surface-temperature data from the U.S. National Center for Environmental Prediction/National CENTER for Atmospheric Research, because heat can increase methane emissions from wetlands as well. (See the top 10 scientific discoveries...