Portrait of Professor Charles Keeling

Portrait of Professor Charles Keeling

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This image is part of the feature Keeling

Credit: HANK MORGAN/SCIENCE PHOTO LIBRARY

Caption: Portrait of Professor Charles D Keeling (b.1928), the US oceanographer and climate scientist. Keeling was the first to confirm, by measurement, the gradual accumulation of carbon dioxide (CO2) in the Earth's atmosphere. The data set that shows this change is known as the "Keeling Curve". Previously, it had been thought that the excess CO2 would be absorbed by the oceans. This world- wide increase in CO2 concentration is thought to cause 'global warming', a rise in the Earth's mean temperature by the 'Greenhouse Effect'. This photograph was taken in March 1992 in Keeling's laboratory at the Scripps Institution of Oceanography, San Diego, USA.

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Keywords: atmospheric research, carbon dioxide, charles d., climate research, discoverer, greenhouse effect, greenhouse gas, keeling, portraits, surname k

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