Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996georl..23..359c&link_type=abstract
Geophysical Research Letters, Volume 23, Issue 4, p. 359-362
Astronomy and Astrophysics
Astrophysics
42
Meteorology And Atmospheric Dynamics: Paleoclimatology, Solar Physics, Astrophysics, And Astronomy: Solar And Stellar Variability
Scientific paper
The role of solar variability as a cause of decadalcentennial scale climate change continues to be a topic of debate. Herein we compare two estimates of solar variability since 1600 with two estimates of northern hemispheric temperature change. Sun-climate correlations vary between 0.57-0.74 and are significant at the 95% level. However, the small number of oscillations in the time series suggests to us that longer records are needed for a more convincing demonstration of a significant sun-climate linkage. Forcing of an energy balance model with the solar time series indicates that modest amounts of solar variability and climate sensitivity yield temperature variations that represent a significant fraction of the inferred changes during the Little Ice Age. This latter result further supports the hypothesis that solar variability may be significantly contributing to climate change on decadal-centennial time scales.
Crowley Thomas J.
Kim Kwang-Yul
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