Water Vapor Feedbacks in the ECMWF Reanalyses and Hadley Centre Climate Model

Autor:	A. Slingo, J. A. Pamment, Richard P. Allan, P. S. Wilson
Rok vydání:	2000
Předmět:	Atmospheric Science Scale (ratio) Global warming Longwave Magnitude (mathematics) Atmospheric sciences Physics::Geophysics Direct measure Satellite data Climatology Environmental science Climate model Physics::Atmospheric and Oceanic Physics Water vapor
Zdroj:	Journal of Climate. 13:3080-3098
ISSN:	1520-0442 0894-8755
DOI:	10.1175/1520-0442(2000)013<3080:wvfite>2.0.co;2
Popis:	Many studies have been made of the water vapor feedback, in both satellite data and climate model simulations. Most infer the magnitude of the feedback from the variability present in geographical distributions of the key variables, or from their seasonal variations, often using data only over the oceans. It is argued that a more direct measure of the feedback should come from the interannual variability of global mean quantities, because this timescale and space scale is more appropriate for such a global phenomenon. To investigate this suggestion, the feedback derived from the simulations of clear-sky longwave fluxes (CLERA), which used data from the 15-yr reanalysis project of the European Centre for Medium-Range Weather Forecasts, is compared with simulations by the latest version of the Hadley Centre climate model. Results are taken from an integration of the atmosphere-only version of the climate model with prescribed sea surface temperatures, as well as from a control and a global warming ...
Databáze:	OpenAIRE
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