Cryosphere Capsules

COP-26 Video of the Week: Impact of Lost Sea Ice / Ecosystem Collapse with Helen Findley, Walt Meier, and Martin Sommerkorn

What are the impacts of Arctic and Southern Ocean sea ice loss on marine ecosystems and fisheries? How is this…

4 years ago

Multi-year Winter Sea Ice in the Arctic is Vanishing Faster Than Expected

Geophysical Research Letters, 10 March 2022 Much of Arctic sea ice research focuses on summer sea ice loss; but this…

4 years ago

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;…

4 years ago

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…

4 years ago

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%…

4 years ago

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…

4 years ago

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…

4 years ago

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…

4 years ago

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…

4 years ago

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…

4 years ago