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According to a latest, Greenland's ice structure has changed drastically over time and shows how the melting rate has increased significantly in the recent years. The study that was published in the Nature journal on Wednesday monitors how the ice mass of Greenland has changed in over 100 years. This study will help get deeper understanding of Greenland's role in increasing sea levels. "We have observation-based estimates that is new and super important," Kristian Kjellerup Kjeldsen, the lead author of the study at the Natural History Museum of Denmark, told Scientific American. The observations made by the researchers came after tracking the changes in ice structure of Greenland that has been captured in black and white photos that were taken before 1990.

Greenland is known to the largest island in the world that is completely covered in ice. Scientists say that it is about 695,000 square miles that is covered with glaciers. However, thanks to the growing global warming, the ice coating has been melting at a staggering rate due to greenhouse gas emissions. The University of Colorado climate scientist Konrad Steffen, the ice lost by Greenland in 2007 was "the equivalent of two times all the ice in the Alps". As the permafrost in the tundra region has been thawing speedily, the sea ice in the Arctic ocean around Greenland has also reduced significantly as reported by The Christian Science Monitor

The latest study not only shows how Greenland is suffering at the hands of global warming but how it continues to play a crucial role at a global rise of sea-level. The study also points out how Greenland has been losing ice and the way the melting rate has changed over time, reports The Guardian.