Erg interessant
What have we learned according to DMI´s international compilation of sea ice data?
- That sea ice data has declined strongly even in the recent past before human CO2 outlet.
- That Sea ice from a level not far from the 2006 level has recovered very fast 1938-1946.
- That the Sea ice decline documented year after year in DMI maps after 1921 apparently is not shown in Chryosphere data for some reason.
We do not have the WW2 data, but the maps of 1957-61 ice areas EXIST!
These are the years where we had a strong Solar max and photos of US Navy submarine on a slushy North pole.
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