Sentences with phrase «south polar surface»
In a world rapidly warming as humans burn ever more fossil fuels, to add ever more greenhouse gases into the atmosphere, researchers expect to observe an increase in the volume of meltwater on the south polar surface.
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It appears that much at least of the surface of Mars has two seasons of vegetal growth, the one quickened by the north polar cap, the other by the south.
The research team found the evidence confirming the stability of the East Antarctic ice sheet at an altitude of 6,200 feet, about 400 miles from the South Pole at the edge of what's called the polar plateau, a flat, high surface of the ice sheet covering much of East Antarctica.
Enceladus is subject to forces that heat a global ocean of liquid water under its icy surface, resulting in its famous south polar water jets which are just visible below the moon's dark, southern limb.
Scientists thought most of Vesta outside the south polar region might be flat like the Moon, yet some of the craters outside that region formed on very steep slopes and have nearly vertical sides, with landslides often occurring in the regolith, the deep layer of crushed rock on the surface.
Cassini first revealed active geological processes on Enceladus in 2005 with evidence of an icy spray issuing from the moon's south polar region and higher - than - expected temperatures in the icy surface there.
Among the surprises are a watery, gaseous plume; a south polar hot spot; and a surface marked by deep canyons and thick flows.»
If polar vortices are driven further and further south, drawing up warmer air from middle latitudes toward the pole and supplanting them with Arctic chill, then many nations might experience cooling, while the generally unmonitored Arctic Circle region experiences substantial restructuring of sea ice as well as surface warming and deep ocean warming too.
The more recent suggestion is that it is triggered by changes in polar surface pressure which modulate wind and ocean currents in both the north and south hemispheres.