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07-03-2021 By Earth.com staff writer The total surface area of Earth covered by frozen ground, sea ice, or snow – collectively known as the cryosphere – has been shrinking at an alarming rate as a result of climate change.  In a new study published by the American Geophysical Union, researchers have found that between 1979 and 2016, the cryosphere shrank by about 33,000 square miles per year on average. This is the equivalent of losing an area about the size of Lake Superior each year. The bright white surface of frozen water plays an important role in reflecting sunlight away from Earth and cooling the planet. Changes in the cryosphere can have a widespread impact on air temperatures and ocean currents.

United statesXiaoqing pengAmerican geophysical unionLanzhou universityLake superiorNorthern hemisphereSouthern hemisphereஒன்றுபட்டது மாநிலங்களில்அமெரிக்கன் புவி இயற்பியல் தொழிற்சங்கம்லான்ஷோ பல்கலைக்கழகம்ஏரி உயர்ந்ததுவடக்கு அரைக்கோளம்தெற்கு அரைக்கோளம்