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We wanted to find out exactly how the Greenland ice sheet is melting. Does the ocean affect how quickly it melts? Could it be melting Greenland’s ice from below? We needed lots of data (information) to be able to answer these questions. So we collected data to help us model the ice sheet melt.
27 lut 2006 · The scientists calculate that Greenland is contributing about 0.5 mm per year to the global rise in sea level of about 2.5 mm per year. Future studies using satellites such as Envisat and ERS will provide essential information on what is happening to ice cover and sea level over the long-term.
18 cze 2024 · Together, the Antarctic and Greenland Ice Sheets contain more than 99 percent of freshwater ice on Earth. If they both completely melted, they would raise sea level by an estimated 67.4 meters (223 feet).
Introduction. The Greenland Ice Sheet (GrIS) is the second-largest contributor of sea-level rise (SLR), after thermal expansion (Zemp et al. 2019). Ice mass loss from the GrIS affects environments and societies worldwide through coastal erosion, saltwater intrusion, habitat loss, increased flooding, and, in some locations, permanent inundation.
21 lis 2012 · Greenland Ice Sheet Today offers the latest satellite data on surface melting of the Greenland Ice Sheet. Surface melt on the ice sheet results from daily weather conditions that are driven by air temperatures, winds, and feedback effect from changes in the snow or surface dust and soot.
Since then, the ice has gradually melted and the ice sheets have retreated. Today, the only ice sheets on Earth’s land masses are found in Antarctica and Greenland. Some ice also occurs as glaciers in mountainous regions and as floating ice floes in the Arctic Ocean and around Antarctica.
Ice caps and mountain glaciers often grow or shrink. Today, many scientists think global warming is causing the ice to melt and sea level to rise, increasing the threat of floods. Over a long period, data from satellites such as ESA’s ERS and Envisat can tell us what is happening.
