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Glaciers in Alaska are melting at the fastest rate of any of the 19 regions studied, losing about 67 billion tons (61 billion metric tons) of ice a year, producing the biggest net ice loss, the ...
The rate at which sea levels are rising has doubled since 1993, with the acceleration due to increasing ice melt, the WMO report said. Just since January 2020, sea levels have risen by nearly 10mm ...
More recently, new satellite imaging data led to calculations of Thwaites Glacier "ice shelf melt rate of 207 m/year in 2014–2017, which is the highest ice shelf melt rate on record in Antarctica." [26] Totten Glacier is a large glacier draining a major portion of the East Antarctic Ice Sheet.
As Thwaites Glacier continues to retreat, the grounding line will eventually reach a similarly flat portion, and the researchers suggested that a part of the glacier could then disappear similarly quickly. This finding does not change the annual average melting rate for the rest of the glacier. [71] [72]
Swiss glaciers melted at an above-average rate in 2024 as a blistering hot summer thawed through abundant snowfall, monitoring body GLAMOS said on Tuesday. Earlier this year, glaciologists had ...
Globally, the mass of glaciers has persistently declined (blue line), with the rate of decline increasing in recent years (red bars). [1] In these "reference glaciers", seasonal glacier melt contributes to runoff; the annual balance (net change of glacier mass) contributes to sea level rise.
Glaciers in the Juneau Icefield in southeastern Alaska are melting at a faster rate than previously thought and may reach an irreversible tipping point sooner than expected, according to a study ...
The ice of a polar glacier is always below the freezing threshold from the surface to its base, although the surface snowpack may experience seasonal melting. A subpolar glacier includes both temperate and polar ice, depending on the depth beneath the surface and position along the length of the glacier. In a similar way, the thermal regime of ...