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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: Brumar89 who wrote (760283)	12/30/2013 9:09:47 PM
From: Wharf Rat	Read Replies (1) \| Respond to of 1576165

Maybe in the desert. The rest of the continent has up to 2 miles of ice between soil and sky which has to melt first. How much of the region is below the tree line? Fast is a relative term...it might take 200 years to melt 6.36 million cubic miles of ice, but that is pretty quick in geologic time; abrupt, even. Even 1000 years is fast. The Dry Valleys: Antarctica’s Ice-Free Region Polygons of permafrost, liquid lakes that leak from towering glaciers, stark-white ice emerging from rocky Grand Canyon-like landscapes: this is the McMurdo Dry Valleys region of Antarctica. Ecologically, a desert is an ecosystem that receives less than 10 inches of precipitation per year. Despite the fact that 98 percent of Antarctica is covered with ice, the continent is the world’s largest and driest desert; it is classified as a polar, or cold, desert rather than a hot desert like the Sahara. The Dry Valleys region, comprising most of the two percent of Antarctica not covered in ice, is one of the most unique ecosystems in the world. It receives little to no measurable precipitation each year; it is ice-free because of the high mountain ridge that blocks the flow of the East Antarctic Ice Sheet into the region; and the ground is permanently frozen. earthgauge.net