publication . Article . 2009

Do Models and Observations Disagree on the Rainfall Response to Global Warming?

Liepert, Beate G.; Beate, G.; Previdi, Michael; Michael,;
Open Access
  • Published: 01 Jun 2009 Journal: Journal of Climate, volume 22, pages 3,156-3,166 (issn: 0894-8755, eissn: 1520-0442, Copyright policy)
  • Publisher: American Meteorological Society
Abstract
Abstract Recently analyzed satellite-derived global precipitation datasets from 1987 to 2006 indicate an increase in global-mean precipitation of 1.1%–1.4% decade−1. This trend corresponds to a hydrological sensitivity (HS) of 7% K−1 of global warming, which is close to the Clausius–Clapeyron (CC) rate expected from the increase in saturation water vapor pressure with temperature. Analysis of two available global ocean evaporation datasets confirms this observed intensification of the atmospheric water cycle. The observed hydrological sensitivity over the past 20-yr period is higher by a factor of 5 than the average HS of 1.4% K−1 simulated in state-of-the-art c...
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Subjects
free text keywords: Atmospheric Science, Global warming, Precipitation, Water cycle, Climatology, Greenhouse gas, Vapour pressure of water, Trend surface analysis, Global change, Environmental science, Climate model
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