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Figure 7.3. Dynamic response
Indeed, for the contribution of irradiance, over the period where it is
present in the data, a response to the Schwabe cycles can be noted.
Figure 7.4 (left) overlaps the temperature observed between 1960 and 2010,
corrected for estimated human activity, volcanism and an underlying trend,
with the estimated contribution of solar activity. The right graph shows
similar lines, obtained by C. Camp et al ., [CAM 07], in the context of
determining sensitivity to irradiance using modern measurements.
Figure 7.4. Reproduction of solar cycles by the
contribution of irradiance
The temperatures in the two graphs above overlap poorly because
the respective processes of smoothing and removal of trends differ.
Camp
Wm
2
0.18
±°
0.10 C /
,
estimates
the
sensitivity
at
or
2
1.03
±°
0.57
CWmnet
/
.
Our identified frequential sensitivity is very
similar:
. This coincidence is noteworthy, given that
our estimation is not the result of processing the historical period selected by
S
0.9
C
/
W m
2
net
irr
11
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