Sentences with phrase «mean less ice cover»

Warmer temperatures mean less ice cover over waterways, and water evaporates more than ice will into the air.

Not exact matches

They are motivated by the humbling realization that our knowledge of undersea life as a whole is only slightly less sketchy than our knowledge of life under those Antarctic ice shelves: Even where the water is not covered by ice, its sheer volume — not to mention the difficulty of seeing and moving through it — means that it is nearly all aqua incognita.

«By «ice - free», scientists usually mean a sea ice extent of less than one million square kilometres, rather than zero sea ice cover.

In one of the troubling feedback loops of the changing climate, dark ice is partially caused by the warmer Arctic summers climate change has brought us: More warmth means less fresh snowfall to cover areas of accumulated sediment, changes to the shape and size of ice grains that make them less reflective, and more liquid near the surface.

Shallow snow cover over birthing lairs, which are built against pressure ridges as shown in the diagram above (considered to be less than 25 - 32 cm over the lair, or less than 20 cm over flat ice), 1 can mean the snow caves are easier for polar bears to break into (and consume the pup)-- that's good news for polar bears (in the short term) but bad news for ringed seals.

With ice cover shrinking in the Arctic during the summer months, less sunlight is reflected off the icy surface, which means the ocean absorbs the sunlight instead.

«Warmest in 1000 years» means less when 600 years of the period was covered in ice.