A multi-data comparison of shortwave climate forcing changes

E. Pallé, P. Montañés-Rodriguez, P. R. Goode, S. E. Koonin, M. Wild, S. Casadio

Research output: Contribution to journalArticle

Abstract

Traditionally the Earth's reflectance has been assumed to be roughly constant, but large decadal variability, not reproduced by current climate models, has been reported lately from a variety of sources. We compare here the available data sets related to Earth's reflectance, in order to assess the observational constraints on the models. We find a consistent picture among all data sets of an albedo decreased during 1985-2000 between 2-3 and 6-7 W/m2, which is highly climatically significant. The largest discrepancy among the data sets occurs during 2000-2004, when some present an increasing reflectance trend, while CERES observations show a steady decrease of about 2 W/m2.

Original languageEnglish (US)
Article numberL21702
Pages (from-to)1-4
Number of pages4
JournalGeophysical Research Letters
Volume32
Issue number21
DOIs
StatePublished - Nov 16 2005

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

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