Pam Pearson

Satellite Data Confirms Accelerating Greenland Ice Sheet Loss

Nature, August 20   The Greenland Ice Sheet lost a record-breaking 532 (± 58 Gt) of ice in 2019, up around 200 Gt in the…

6 years ago

Ice Mass Loss from Greenland Will Continue Even After Stabilized

Nature, Communications Earth & Environment, August 13 Acceleration of outlet glaciers from the Greenland ice sheet, not compensated by accumulation…

6 years ago

Basal Melting of Antarctic Ice Shelves

Nature Geoscience, August 10 Between 1994 and 2018, Antarctic ice shelves (floating ice connected to the land-based Antarctic ice sheet)…

6 years ago

Emissions from Thawing Peatland Permafrost 30-50% Greater than Previous Estimates

Proceedings of the National Academy of Sciences, August 10 Under high emissions scenarios, northern hemisphere permafrost and peatlands will show…

6 years ago

Arctic Sea Ice More Sensitive to Emissions: Ice-Free Arctic During Last Interglacial Points to Rapid Future Loss

Nature Climate Change, August 10 The Arctic Ocean could be seasonally ice-free at temperatures only slightly above today’s, once land-based…

6 years ago

New Global Estimate of Rock-Debris Cover on Glaciers Helps Improve Projections of Glacier Melt and Sea Level Rise

Nature Geoscience, August 3 An updated approach is required to estimate the melting of global glaciers due to rock debris…

6 years ago

Extreme Glacier Loss in New Zealand Undeniably Linked to Human-Caused Climate Change

Nature Climate Change, August 3 In New Zealand’s Southern Alps, anthropogenic forcing has made extreme loss of glacier ice at…

6 years ago

Canadian Ice Shelf Collapse in the Canadian Arctic, and Glacier Collapse in the Alps

Water and Ice Research Laboratory, August 7 This extremely warm summer is driving some dramatic collapses: one of the last…

6 years ago

Emissions To-date Consistent with Worst-Case Scenario for Global Warming

Proceedings of the National Academy of Sciences, August 3 Despite recent progress on bending the emissions curve and the global…

6 years ago

Loss of Outdoor Ice Skating in Coming Decades

The Canadian Geographer, July 16 Outdoor ice-skating is an important cultural pastime in many northern regions and holds a firm…

6 years ago

Arctic Ocean Experiences Significant Shifts in its Ecological Structure

Science, July 10 Growth of phytoplankton biomass in the Arctic Ocean increased by 57% between 1998 and 2018. This surge…

6 years ago

Increased Episodic Flooding by 2100 Under High Emissions Scenarios

Scientific Reports, July 30 Under the high emissions RCP8.5 scenario, and with no adaptation such as sea walls or inland…

6 years ago

Current Arctic Warming Closer to Past Abrupt Climate Events than Models

Nature, July 29 Over the past 40 years, the rate of change in large portions of the Arctic appears comparable…

6 years ago

Record High Temperatures in Northernmost Arctic Human Settlements

While the Siberian heatwave drove large wildfires in July, other parts of the Arctic also saw record-breaking temperatures. On July…

6 years ago

First Active Methane Leak Observed off Antarctica

Proceedings of the Royal Society B, July 22. A team of scientists has discovered the first active leak of methane through…

6 years ago