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Montreal Protocol Is Delaying First Ice-Free Arctic Summer

May 22, 2023 sarah JonasResearch Results

A new study led by climate researchers at Columbia Engineering and the University of Exeter demonstrates that the treaty’s impact reaches all the way into the Arctic: its implementation is delaying the occurrence of the first ice-free Arctic by as much as 15 years.

Strongest Arctic cyclone on record led to surprising loss of sea ice

November 29, 2022 sarah JonasResearch Results

The strongest Arctic cyclone ever observed struck in January 2022. A new analysis shows that while forecasts accurately predicted the massive storm, models seriously underestimated its impact on sea ice. Results suggest places to improve forecast models in a changing Arctic Ocean.

Study: Arctic Sea Ice Loss Leads to More Frequent Strong El Niño Events

September 22, 2022 sarah JonasResearch Results

Prior to this study, little was known about whether dwindling Arctic sea ice is capable of influencing strong El Niño events.