ice cap


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ice cap

[′īs ‚kap]
(hydrology)
A perennial cover of ice and snow in the shape of a dome or plate on the summit area of a mountain through which the mountain peaks emerge.
A perennial cover of ice and snow on a flat land mass such as an Arctic island.
References in periodicals archive ?
Scientists know that Britain was once covered in glaciers but what Davies and her colleagues are uncovering is the extent of the ice caps that spread from Scotland over Wales, Ireland and England, the number of times they receded and returned and the forces behind those climatic shifts.
This study aims to assess changes in the area of the Grinnell and Terra Nivea ice caps over the past 50 years and to provide insight into the main drivers of recent ice cap changes.
A Facebook update revealed: "What a 72 hours, got trapped in a howler of a storm for neary 36hrs, spent five hours digging the tents out to spend over an hour travelling 1km in 60-100km winds to spend another hour putting up just one tent, absolutely crazy weather, and then this morning we woke to blue skies and then we have made a dash to finish the ice cap.
Crossing the Greenland ice cap is just one of 12 physical challenges Antony will undertake this year as he attempts to complete them in as many months.
True or false: Over the past 10 years, the Arctic ice cap stopped reaching Iceland.
They also pointed out that sharply reducing the amount of carbon dioxide (CO2) pumped into the atmosphere will help slow the disappearance of the Arctic ice cap.
Of course, many volcanoes around the world are not subject to pressure from ice caps, and scientists stress that there is little if any evidence linking global warming to eruptions in such situations.
The alarming rate at which the Arctic ice cap is shrinking is triggering much of the new research.
During a 2002 expedition to the Quelccaye ice cap in Peru, the largest tropical ice field in the world, Thompson and colleagues discovered patches of ancient wetland plants that had been exposed as the edge of the ice cap retreated.
The Emirates NBD Greenland Quest will take the Guinness World Record holder over 3,500km of ice in an unsupported vertical crossing of the entire Greenland ice cap, from the Atlantic Ocean in the south to the Arctic Ocean in the north.
Some scientists fear that within five years the ice cap could disappear completely in the summer months as global warming takes its toll.
Bangor University oceanographer Dr Tom Rippeth said data from the National Snow and Ice Data Centre (NSIDC) shows the polar ice cap has shrunk to just 1.