Arctic

Arctic anomalies
March 24, 2016

Right from the beginning of 2016 new records were set in the Arctic: warmest air temperature on record in both January and February, and the lowest sea ice cover in February. This year’s record high temperature and low sea ice cover increases concerns about what will happen next in the Arctic and globally under a changing climate.

Arctic sea ice schematic
February 11, 2016

The fate of sea ice in the Arctic Ocean in the coming years and decades is dependent upon our understanding of the complex ocean–ice–air interactions and feedbacks to the system. A new paper by Carmack et al. identifies the critical processes, key questions, and required elements for a research agenda to study this new Arctic environment.

Arctic Sea Ice
December 11, 2015

Climate model projections provide a compelling reason to believe that anthropogenic warming will lead to a pronounced reduction in Arctic sea ice extent over the course of this century and beyond, but there is no reason to expect this long-term sea ice retreat to occur steadily through time.

Cold winter days in US
October 13, 2015

In early January 2014, an Arctic air outbreak brought extreme cold and heavy snowfall to central and eastern North America, causing widespread disruption and monetary losses. However, new research using state-of-the-art climate model simulations finds that the risk of North American daily cold extremes decreases in the future.

December 19, 2014

To understand the increased number of cold extreme events in recent years, a study conducted by an international team of US and Korean scientists suggests that the recently drastic reduction of Arctic sea ice cover could be the key driver.

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