
Greenland ice sheet - Wikipedia
The Greenland ice sheet is an ice sheet which forms the second largest body of ice in the world. It is an average of 1.67 km (1.0 mi) thick and over 3 km (1.9 mi) thick at its maximum. [2]
Greenland Ice Sheet | Definition, History, Volume, Map, & Facts ...
Feb 14, 2025 · The Greenland Ice Sheet is a single ice sheet or glacier covering about 80 percent of the island of Greenland. It is the largest ice mass in the Northern Hemisphere, globally second in size to only the Antarctic ice mass.
Ice Sheets Today - National Snow and Ice Data Center
Jan 29, 2025 · Ice Sheets Today offers the latest satellite data and scientific analyses on surface melting of the Greenland Ice Sheet in the Northern Hemisphere and Antarctic Ice Sheet in the Southern Hemisphere. Surface melt on each ice sheet results from a combination of daily weather conditions and the amount of solar energy absorbed by its snow and ice.
Greenland Ice Sheet - NOAA Arctic
The Greenland Ice Sheet contains the equivalent of 7.4 meters of global sea level rise, currently frozen atop the world’s largest island (Morlighem et al. 2017).
Greenland ice sheet could fully melt after reaching specific …
Feb 11, 2025 · The Greenland ice sheet, covering over 1.7 million km 2, is losing mass at an accelerating rate, with recent losses averaging 30 million tonnes per hour. A critical tipping point is...
Greenland Ice Sheet - NOAA Arctic
On 26 June 2023, Summit Station reached a temperature of 0.4°C and experienced melt for only the fifth time in its 34-year observational history. The Greenland Ice Sheet (GrIS) is the second-largest contributor of sea-level rise (SLR), after thermal expansion (Zemp et al. 2019).
Glacier - Greenland, Ice Sheet, Melting | Britannica
Jan 15, 2025 · The Greenland Ice Sheet, though subcontinental in size, is huge compared with other glaciers in the world except that of Antarctica. Greenland is mostly covered by this single large ice sheet (1,730,000 square kilometres), while isolated glaciers and small ice caps totaling between 76,000 and 100,000 square kilometres occur around the periphery .
An introduction to the Greenland Ice Sheet - AntarcticGlaciers.org
May 28, 2024 · The Greenland Ice Sheet is the largest ice mass in the Northern Hemisphere. It lies from 71 ° N northwards, between the Atlantic and the Arctic Ocean [1]. Almost 80% of Greenland’s landmass is covered by the ice sheet, expanding an area over 1.7 million km 2 .
Greenland Ice Sheet - NOAA Arctic
The Greenland ice sheet covers ~1.63 million km 2 and contains ice equivalent to 7.4 m of eustatic sea level rise (Morlighem et al. 2017). Following decades of relative stability, the ice sheet has now lost mass almost every year since 1998, with tied years of record ice loss in 2012 and 2019 (Mankoff et al. 2021).
Greenland's ice sheet — the second biggest in the world — is …
Feb 6, 2025 · Water from the Greenland Ice Sheet is already the largest global source of sea level rise, accounting for a 0.6-inch (14 millimeters) increase since the 1990s, Thomas Chudley, a glaciologist at ...