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"Although wet and dry snow look similar at first glance, wet and re-frozen snow absorb more of the sun’s radiation, reflecting only 50-60 percent back into the atmosphere. Dry snow, on the other hand, reflects about 85 percent of the sun’s radiation," he said. "In other words, melting snow absorbs three to four times as much energy as dry snow, greatly affecting Earth’s energy budget."
"The International Polar Year’s focus on this part of the world gives us an ideal opportunity to combine research results on snowmelt from satellites as well as from climate models to better understand how melting is really affecting the mass balance of Greenland’s ice sheet. We need to link all of this data together to get a better view of this complex system."