Contributions of Stratospheric Water Vapor to Decadal Changes in the Rate of Global Warming
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- 5 March 2010
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 327 (5970), 1219-1223
- https://doi.org/10.1126/science.1182488
Abstract
Dropping a Notch: Between 2000 and 2001, the concentration of water vapor in the stratosphere dropped by about 10%. Water vapor is an important greenhouse gas, so did the decrease affect climate and slow global warming? Solomon et al. (p. 1219 , published online 28 January) used a combination of data and models to show that lower stratospheric water vapor probably has contributed to the flattening of global average temperatures since 2000, by acting to slow the rate of warming by about 25%. Furthermore, the amount of water vapor in the stratosphere probably increased between 1980 and 2000, a period of more rapid warming, suggesting how important the concentration of stratospheric water vapor might be to climate.Keywords
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