ice sheet

Scientists have discovered a large aquifer, the size of Ireland, near the surface of the Greenland Ice Sheet. “This was a big surprise,” said Jason Box, a researcher for the Geological Survey of...

Larsen B Ice Shelf, March 7, 2002

An ice shelf is a slab of ice, often hundreds of meters thick, that is attached to a coastline and extends over the adjacent ocean waters. Massive ice shelves hug the perimeter of Antarctica. One...

Martian North Pole

What can researchers learn about Mars from studying Earth's snow and ice?

We have been watching surface melting of the Greenland Ice Sheet (see Greenland Ice Sheet Today ) as one sign of climate change....

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