The 1845 Franklin expedition through the Northwest Passage ended with everybody dead, after getting trapped by ice at several locations.
NOVA | Arctic Passage | Tracing the Routes (printable) | PBS
The ice at 3, 4, 5 on Franklin’s Route is 1.5 to 2.5 meters thick. They would have been trapped by the ice again this year.
FullSize_CICE_combine_thick_SM_EN_20180801.png (1337×1113)
And temperatures are below freezing.
However, the Northwest Passage was open in 1904.
And by 1958, there was even less ice.
The Changing Face of the Arctic; The Changing Face of the Arctic – The New York Times
Yet the climate lies continue endlessly …..
