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Guest Post by Willis Eschenbach Nerem and Fasullo have a new paper called OBSERVATIONS OF THE RATE AND
ACCELERATION OF GLOBAL MEAN SEA LEVEL CHANGE, available here. In it, we find the following statement:
Both tide gauge sea level reconstructions and satellite altimetry show that the current rate of global mean sea
level change is…
Figure 6. Comparison between the values and the errors of the difference between the 21-year trend before the
1993 start of the satellite record, and the succeeding 21-year trend from 1993 to the end of the Church and
White records. The C&W trends are shown in Figure 3 above.
Since the error bars (orange and red) do not overlap, we can say that the C&W estimate does NOT agree with
the tide gauge data. And that, of course, means that it has been artificially increased by cross-pollution with
satellite data.
Let me close by saying that I think that it is very bad scientific practice to splice together a terrestrial and a
satellite record unless they agree well during the period of overlap. In this case, they disagree greatly over
the period of record. For the detrended values over the period of overlap (1993-2013), the R^2 value is 0.01
and the P-value is 0.37 … in other words, there is absolutely no significant correlation between the satellite
data and the C&W estimate.
And this makes it very likely that Church and White are manufacturing sea level acceleration where none exists …
bad scientists, no cookies.
Finally, at the end of my research into this, I find that I’m not the only one to notice the discrepancy...