Sentences with phrase «significantly less sea ice»
During the so - called Holocene Climate Optimum, from approximately 8000 to 5000 years ago, when the temperatures were somewhat warmer than today, there was significantly less sea ice in the Arctic Ocean, probably less than 50 % of the summer 2007 coverage, which is absolutely lowest on record.
https://dotearth.blogs.nytimes.com/ Not exact matches
During the later period, when there was less sea ice, the whales dove significantly longer and deeper than in the earlier period — presumably in search of prey as the animals, in turn, changed their habits because of different ocean conditions brought on by sea ice loss.
10) Most recently, Early Holocene, which had significantly less summer sea ice than even 2012.
Since about 1976 the areal extent of sea - ice in the Northern Hemisphere has varied about a constant climatological level but in 1972 - 1975 sea - ice extent was significantly less.