Guest post by David Middleton
Featured image borrowed from here.
If you can set aside the smug, snide remarks of the author, this article does a fairly good job in explaining why the surface station temperature data have to be adjusted and homogenized.
There is just one huge problem…
“In the US, a couple systematic changes to weather stations caused a cooling bias—most notably the time of observation bias corrected in the blue line.
Zeke Hausfather/Berkeley Earth”… I added the the natural variability box and annotation. All of the anomalous warming ince 1960 is the result of the adjustments.
Without the adjustments and homogenization, the post-1960 US temperatures would be indistinguishable from the early 20th century.
I’m not saying that I know the adjustments are wrong; however anytime that an anomaly is entirely due to data adjustments, it raises a red flag with me. In my line of work…
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