By Paul Homewood
There seems to have been a campaign of misinformation, to downplay the significance of the Arctic temperature adjustments we have been looking at.
The claim is that they make little difference to temperature trends there, so let’s test this out with the example of Akureyri.
Note that the temperatures were cooled from 1922 to 1965, effectively in the middle of the record, which started in 1882. As a result the overall trend since 1882 has remained virtually the same. But, of course, this is not the point, as it is the trend since the 1920’s that is significant.
We can see the effect on trends, using 5-year running averages in the chart below.
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