Global tropospheric methane, 2005

Global tropospheric methane, 2005

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Credit: NASA/JPL/SCIENCE PHOTO LIBRARY

Caption: Global tropospheric methane, 2005. Map showing the global variation of the greenhouse gas methane in the troposphere in August 2005. A scale is at bottom in parts per billion by volume (ppbv), ranging from low (blue) to high (orange and red). This and similar maps are used to study the natural and human sources of methane, and its global and seasonal variations. This global data was obtained by the AIRS (Atmospheric Infrared Sounder) instrument on NASA's Aqua satellite.

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Keywords: 2005, 21st century, airs, annual, aqua, atmosphere, atmospheric, atmospheric chemistry, atmospheric infrared sounder, august, ch4, climate change, climatological, climatology, earth, earth science, earth sciences, environmental science, experiment, from space, global, global warming, greenhouse gas, infrared, key, map, methane, model, planet, research, satellite image, scale, variation, variations

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