Revisiting the determination of climate sensitivity from relationships between surface temperature and radiative fluxes

Eui Seok Chung, Brian J. Soden, Byung Ju Sohn

Research output: Contribution to journalArticle

20 Scopus citations

Abstract

We analyze the radiative damping of climatological variations in surface temperature based on relationships between surface temperature and top-of-atmosphere radiative fluxes for both satellite observations and climate model simulations. The observed damping rates are generally consistent with positive radiative feedbacks over the tropical oceans, in agreement with climate model simulations. The model-simulated radiative damping rates are shown to be much more robust when analyzed at global scales, rather than tropical-means. Moreover, the model-simulated values of global-mean radiative damping rates deduced from interannual variability are shown to be modestly correlated to the climate sensitivity of the model in response to increasing CO2.

Original languageEnglish (US)
Article numberL10703
JournalGeophysical Research Letters
Volume37
Issue number10
DOIs
StatePublished - May 1 2010

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

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