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The Radiative Signature of Upper Tropospheric Moistening
Brian J. Soden, Darren L. Jackson, V. Ramaswamy, M. D. Schwarzkopf and Xianglei Huang
New Series, Vol. 310, No. 5749, Systems-Level Brain Development (Nov. 4, 2005), pp. 841-844
Published by: American Association for the Advancement of Science
Stable URL: http://www.jstor.org/stable/3842762
Page Count: 4
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Climate models predict that the concentration of water vapor in the upper troposphere could double by the end of the century as a result of increases in greenhouse gases. Such moistening plays a key role in amplifying the rate at which the climate warms in response to anthropogenic activities, but has been difficult to detect because of deficiencies in conventional observing systems. We use satellite measurements to highlight a distinct radiative signature of upper tropospheric moistening over the period 1982 to 2004. The observed moistening is accurately captured by climate model simulations and lends further credence to model projections of future global warming.
Science © 2005 American Association for the Advancement of Science