Technical Comments

Comment on “Atlantic and Pacific multidecadal oscillations and Northern Hemisphere temperatures”

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Science  11 Dec 2015:
Vol. 350, Issue 6266, pp. 1326
DOI: 10.1126/science.aab3570


Steinman et al. (Reports, 27 February 2015, p. 988) argue that appropriately rescaled multimodel ensemble-mean time series provide an unbiased estimate of the forced climate response in individual model simulations. However, their procedure for demonstrating the validity of this assertion is flawed, and the residual intrinsic variability so defined is in fact dominated by the actual forced response of individual models.

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