2 天之前 · 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.

2023年4月20日 · The Greenland and Antarctic ice sheets, which hold almost all of the world’s freshwater ice, are shrinking at a frighteningly rapid pace, according to a report on Thursday from a team of ...

2024年1月19日 · The Greenland ice cap is losing an average of 30 million tonnes of floating ice on average per hour — faster than scientists had previously estimated, according to a study published in the...

2024年1月18日 · Greenland's ice sheet is melting faster than scientists previously estimated, according to a study released Wednesday in the journal Nature, with the loss believed to be …

In addition to generating daily maps and graphs of surface melt data, Ice Sheets Today provides the following data tools with a focus on the Greenland Ice Sheet. Explore the interactive graph below and look at Greenland surface melt extent over time. You can also easily compare melt patterns between years.

2023年7月20日 · A recently discovered ice core taken from beneath Greenland’s ice sheet decades ago has revealed that a large part of the country was ice-free around 400,000 years ago, when temperatures...

Key Takeaway: Antarctica is losing ice mass (melting) at an average rate of about 150 billion tons per year, and Greenland is losing about 270 billion tons per year, adding to sea level rise.

2023年11月7日 · Scientists analyzed eight ice shelves buttressing glaciers in northern Greenland, which together hold enough ice to raise sea levels by 2.1 meters — nearly 7 feet — should they break down and...

The Greenland Ice Sheet lost 55 ± 35 Gt of mass in 2024, the lowest annual ice loss since 2013. This occurred due to above-average snowfall and below-average melting and despite higher glacier flow rates than the 1991-2020 average.

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).