From
http://www.amath.washington.edu/people/faculty/tung/publications.html
K.K. Tung, J. Zhou and C.D.Camp; 2008: "Constraining Model Transient
Climate Response using Independent Observations of Solar-Cycle Forcing
and Response" Geophys. Research Lett., 35, L17707,doi:
10.1029/2008GL034240.
building on
K.K. Tung and C.D. Camp; 2008: "Solar Cycle Warming at the Earth's
Surface in NCEP and ERA-40 data: A linear Discriminant Analysis"
Journal of Geophysical Research, 113, D05114, doi:
10.1029/2007JD009164.
C.D. Camp and K.K. Tung; 2007: "Surface Warming by the Solar Cycle as
Revealed the Composite Mean Difference Projection" Geophysical
Research Letters, 34, L14703, doi:10.1029/2007GL030207.
obtain a rather large value, greater than 3.8, for equilibrium
(Charney) climate sensitivity. The earlier two papers show that the
temperature variation between solar minimum and maximum of a solar
cycle is about 0.2K.
I don't see anything actually wrong, but I'm suspicious of such large
values. Comments about what might have gone wrong, if anything, will
be appreciated.
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