AIRS and Carbon Dioxide: From Measurement to Science
How does a spaceborne instrument like AIRS extract carbon dioxide from Earth's atmosphere, and what is its data revealing? The level of carbon dioxide in the Earth's atmosphere has been on the rise since the late 19th century. Charles David Keeling first proved this by careful measurements of samples collected from atop Mauna Loa in Hawaii and in Antarctica during 1957 and 1958. Since then, many scientists have measured the gas at many different spots on the Earth s surface. And Keeling s chart has become an iconic modern figure. http://airs.jpl.nasa.gov/story_archive/Measuring_CO2_from_Space/Measurement_to_Science/
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