Pam Pearson

Antarctic Ice Shelves Melting Away from Stabilizing Seafloor Anchors

Nature, 21 February 2024 Rising temperatures have caused the disappearance of many "pinning points" which anchor ice shelves to the…

2 years ago

Potential Physical Early Warning Signs of Atlantic Ocean Circulation Collapse

Science Advances, 9 February 2024 This paper identifies early warning signs for collapse of the AMOC (Atlantic Meridional Overturning Circulation).…

2 years ago

COP28 Video of the Week: “Antarctic and Southern Ocean Ecosystems Under Severe Threat from Climate Change”

Climate change poses a severe threat to Antarctic and Southern Ocean ecosystems, from sea ice loss to warming waters and…

2 years ago

Past Warming Triggered Rapid Runaway Ice Loss in West Antarctica

Nature Geoscience, 8 February 2024 Scientists have uncovered for the first time direct evidence that the West Antarctic Ice Sheet…

2 years ago

Short-term Extreme Events Essential in Predicting Future Sea Level Rise

Nature Reviews Earth & Environment, 8 February 2024 This review paper brought together an international team of 29 ice sheet…

2 years ago

Video of the Week: “Causes and Impacts of the March 2022 Extreme Heat Event in East Antarctica”

Following up on two companion papers printed in the Journal of Climate last week, this presentation by lead author Dr.…

2 years ago

Tropical Weather Directly Linked to Extreme Heat Event in East Antarctica

Journal of Climate, 1 February 2024 A team of five dozen scientists from fourteen countries unraveled the dynamics and impacts…

2 years ago

Atmospheric River Creates Record-high Temperatures and Surface Melt in Antarctic Peninsula

NPJ Climate and Atmospheric Science, 4 December 2023 A similar atmospheric river swept intense heat and rainfall across the Antarctic…

2 years ago

COP28 Video of Week: “Climate Change Increases Antarctica’s Vulnerability to Extreme Events”

This side event features Dr. Jonathan Wille, ETH Zurich, lead author of the two companion papers summarized above. He volunteered…

2 years ago

Record Low Snowfall Sounds Alarm for Water Security in the Hindu Kush Himalaya

News Briefing: 26 January 2024 Mirroring the “snow drought” that struck western North America, mountains across the Hindu Kush Himalaya…

2 years ago

Climate Warming Pushes Northern Hemisphere Snowpack Toward Critical Threshold

Nature, 10 January 2024 This study contained two major findings: first, human-driven fossil fuel emissions have significantly reduced snowpack across…

2 years ago

COP28 Video of the Week: “Disappearing Snow and Ice in the Hindu Kush Himalaya”

The snow and ice of the Hindu Kush Himalaya mountains supply seasonal freshwater to river basins that serve billions of…

2 years ago

Greenland Ice Loss 20% Higher Than Previously Estimated

Nature, 17 January 2024 New measurements reveal that the Greenland Ice Sheet lost 20% more ice over the past four…

3 years ago

COP28 Video of the Week: “Antarctica and Greenland: Nearing Thresholds from Different Ends” with Chris Stokes

The Greenland and Antarctic ice sheets are both losing ice; and have the potential to undergo rapid and self-sustaining retreat…

3 years ago

Marine Ice Sheet Instability Triggered Rapid Retreat of Major West Antarctic Glacier

Nature Climate Change, 4 December 2023 The massive Pine Island Glacier in West Antarctica underwent a fifty-year period of “marine…

3 years ago