Sentences with phrase «permanent pack ice»

The so - called permanent pack ice for late summer 2012 shows how it is protected by the Greenland and the Canadian archipelago.
Vikings sailed in Arctic waters now permanent pack ice and built settlements in Northern Newfoundland and on Ungava Bay.

Not exact matches

From c1000 AD, ships were recorded as having sailed in parts of the Arctic where there is a permanent ice - pack now (Thompson et al. 2000; Briffa 2000; Lamb 1972a, b; Villalba 1990, 1994).»
Note that if the N hemisphere snow becomes a permanent ice pack, the extra reflectivity provides all the «amplification» needed to explain the ice core records, as forced from incident solar energy.
Beyond the lake, stretching to the horizon in every direction, was the stark white of the permanent polar ice pack.
This fresh water, together with melt ‐ water from the melting ice pack in summer forms a permanent superficial layer (usually about 200m deep) of low salinity over the entire Arctic Ocean, without which much less seasonal ice would form.
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