冰冻圈胶囊

Record-Breaking Heatwaves Simultaneously Hit Antarctica and the Arctic; Conger Ice Shelf Collapses

Both of Earth’s polar regions experienced extreme heat this week, with parts of Antarctica rising more than 40°C above average;…

四年前

COP-26 Video of the Week: Committed Permafrost Emissions and Intergenerational Justice with Gustaf Hugelius, Jens Strauss, and Sarah Chadburn

Permafrost begins emitting carbon into the atmosphere as soon as its first thaw. These emissions can continue for over 100…

四年前

High-Elevation Permafrost More Vulnerable to Rising Temperatures than Arctic Permafrost

Nature Communications, 14 March 2022 Even at current levels of atmospheric carbon dioxide, 60% of high-elevation “alpine” permafrost and 20%…

四年前

Tipping Point for Permafrost Peatlands Sooner Than Expected

Nature Climate Change, 14 March 2022 Large expanses of northern Europe and western Siberia may become too warm and wet…

四年前

COP-26 Video of the Week: Triple Threat to Polar Oceans with Carol Turley, Helen Findley, Sian Henley, Rolf Rødven and Anne Nuorgam

The Arctic and Southern Oceans play a key role in regulating the global climate, but are under serious threat from…

四年前

Rising Temperatures Double Glacier Loss in the Russian High Arctic

The Cryosphere, 6 January 2022 Glaciers in the Russian High Arctic lost twice as much ice between 2010 and 2017…

四年前

Decline in Salmon Size Signals Potentially Significant Fisheries and Ecosystem Shift in the North Atlantic

Science Advances, 4 March 2022 In 2005, a sudden reduction in the transport of Arctic water into the Norwegian Sea…

四年前

Warm Water Slowed Formation of the West Antarctic Ice Sheet

Communications Earth & Environment, 21 February 2022 New evidence suggests the presence of warm, deep water delayed the expansion of…

四年前

Arctic Council Suspends Work Due to Invasion of Ukraine

On March 3, Canada, the Kingdom of Denmark, Finland, Iceland, Norway, Sweden, and the United States issued the following joint…

四年前

Rapid Arctic Sea Ice Loss Increases the “Atlantification” of the Fram Strait

Journal of Geophysical Research: Oceans, 18 February 2022 The Fram Strait is the main waterway connecting the central Arctic Ocean…

四年前