Hidden Greenland Valleys Up Glacier Melting Risk

Greenland

Sukkertoppen Isflade, a small ice cap in the southwest Greenland mountains.

The decline of Greenland’s glaciers could be more spectacular than predicted, because the island’s valleys run longer and deeper than thought, a new study finds.

Melting Glaciers: Photo
Melting Glaciers - Argentina ice

Argentina ice The Perito Moreno Glacier is one of the major tourist attractions in southern Patagonia.

Many glacial valleys identified in the new study are deeper and wider than those shown in earlier maps, and extend farther inland — an average of 41 miles (67 kilometers).

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