Melting from Under Greenland’s Ice Sheet Also Contributes to Sea-Level Rise

五年前

Nature Communications, June 8 Although most ice loss from Greenland comes from either surface melting, or icebergs breaking from outlet…

Permafrost Underlies 15% of the Northern Hemisphere’s Land Surface

五年前

Journal of Geophysical Research: Earth’s Surface, April 23 More than 80% of studies reporting on permafrost area overestimate the baseline…

Widespread Destabilization of Arctic Infrastructure as Permafrost Thaw Increases

五年前

The Cryosphere, May 31 The presence of infrastructure built on permafrost ground in the Arctic causes increased snow accumulation, and…

Unprecedented Heat Wave in Northwest Russia

五年前

Some of the earliest temperatures above 30°C ever observed in this part of the Arctic have been measured in recent…

Role of Ocean Heat in Arctic Winter Sea Ice Reformation

五年前

Journal of Climate, May 18 A negative feedback mechanism related to new, but very thin sea ice formation appears to…

Mercury Released from Southwestern Greenland Ice Sheet

五年前

Nature Geoscience, May 24 The Greenland Ice Sheet releases relatively high concentrations of mercury in its runoff, sending large amounts…

Western Greenland Ice Sheet Nears Tipping Point

五年前

PNAS, May 17 Unlike Antarctica with its protective ice shelves, the stability of Greenland’s ice sheet depends on its sheer…

Arctic Council Scientists Find Arctic Warming Three Times the Global Average

五年前

Arctic Monitoring and Assessment Programme (AMAP) and Arctic Council, May 20 In its new climate report, the Arctic Council’s science…

Extensive Glacier Loss in Himalayas Locked In Even Without Further Warming

五年前

Nature Communications, May 17 Glaciers in the greater Himalayan region (sometimes called High Mountain Asia) are the most vulnerable worldwide…

Legacy Emissions of Permafrost from Overshoot of the Paris Goal

五年前

Nature Communications, May 11 Carbon emissions from thawed permafrost are known to continue for 150-200 years after initial thaw, even…

With Taller Cliffs, Marine Ice Cliff Instability Accelerates Ice Loss from Antarctica

五年前

Nature Communications, May 11 The loss of Antarctica's buttressing ice shelves and glacier retreat due to global warming will expose…

Lake and River Ice Breaking Up Earlier and Forming Later Since 1931

五年前

The Cryosphere, May 10 Over 3000 time series, covering 4 overlapping periods between 1931 and 2005 from 644 sites across…

Permafrost Thaw and Stabilization in the Arctic’s Distant Past

五年前

Science Advances, April 28 Past permafrost thaw extended into the high Arctic between 1.5 and 0.5 million years ago, and…

Ice Sheet Melt Will Increase Methane Emissions in the Arctic

五年前

Geology, April 22 Similarities between previous deglaciation periods reveal that the retreat of Arctic ice sheets was a common driver…

Future Glacier Melt in Himalayas Increases Risk of Glacial Lake Outburst Floods

五年前

Nature, May 6 The widespread disappearance of Himalayan glaciers is associated with the rapid expansion of glacial lakes, increasing the…