Yet Another Arctic Data Problem

Frank Lasner dug this up. DMI has old ice extent maps on their web site, like this one from August 1938.

Hide the decline – Latest News (hidethedecline)

It shows the Northeast Passage nearly open, with several hundred miles of open water north of Russia. Now compare vs. August 1996 – when the Northeast Passage was frozen up.

N_199608_extn.png (420×500)

The image below overlays the 1996 map on the 1938 map. Green represents more ice in 1996, red shows more ice in 1938. There was more ice in August 1996 than in August 1938.

So here is the problem. UIUC has this graph on their website, which shows a lot more ice in summer 1938 than in summer 1996.

seasonal.extent.1900-2010.png (1296×1057)

That isn’t the first problem found with this graph. It also shows 1974 extent higher than 1979, which we know from the 1990 IPCC report to be incorrect.

Bottom line for me is that I don’t trust any of the pre-satellite ice or temperature data being published now. They appear to be political documents rather than historical.

About stevengoddard

Just having fun
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3 Responses to Yet Another Arctic Data Problem

  1. What you say above, is straightforward.

    My question is: how come no scientist every steps forward to correct the record? There must be people around who know this. Polar scientists?

    What do they have to say? Are there papers that address it?

    • hannuko says:

      I wondered the same after reading Donna Laframboise’s book “The Delinquent Teenager Who Was Mistaken For The World’s Top Climate Expert”. Why didn’t any of those “thousands of best scientists in the world” come out in the media and say that many of the claims the IPCC leadership made about IPCC procedures were nothing but lies.

      I don’t know, but in the light of what is revealed on that book it is easy to believe that none of them would come out to say the report were full of BS even if they knew they it was.

  2. Anything is possible says:

    Spitzbergen completely ice-free in August 1922…….

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