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UW oceanographer dropping robotic floats on voyage to Antarctica

A drone’s-eye view of the R/V Nathaniel B Palmer encountering sea ice in the Southern Ocean.

A University of Washington oceanographer is chief scientist on a voyage in the waters around Antarctica as part of a major effort to monitor the Southern Ocean. Stephen Riser, a UW professor of oceanography, embarked Dec. 24 as part of the Southern Ocean Carbon and Climate Observations and Modeling, or SOCCOM, project to collect better data about the planet’s most remote ocean. 

Read more at UW Today »

Rapid Arctic warming has in the past shifted Southern Ocean winds

Author Bradley Markle examines a section of ice core at the West Antarctic field site. He spent two months in the field as a member of the drilling team.

The global climate is a complex machine in which some pieces are separate, yet others are connected. Scientists try to discover the connections to predict what will happen to our climate, especially in a future with more heat-trapping gases. A dramatic pattern in our planet’s climate history involves paroxysms in Arctic temperatures. During the last ice age, tens of thousands of years ago, Greenland repeatedly warmed by about 10 degrees Celsius over just a few decades and then gradually cooled. 

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Arctic sea ice loss impacts beluga whale migration

A beluga whale surfaces for air.

The annual migration of some beluga whales in Alaska is altered by sea ice changes in the Arctic, while other belugas do not appear to be affected. A new study led by the University of Washington finds that as Arctic sea ice takes longer to freeze up each fall due to climate change, one population of belugas mirrors that timing and delays its migration south by up to one month. 

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UW Program on Climate Change Director LuAnne Thompson on being a climate scientist

The College of the Environment’s LuAnne Thompson, a faculty member in the School of Oceanography and the director of the Program on Climate Change, has dedicated her career to researching the ocean’s role in climate variability. Having recently returned from France, where she delved into the specifics of measuring an interpreting sea levels from radar altimetry with her academic peers, Thompson reflects on her feelings about the state of climate science and her hopes for the future of climate science outreach and education. 

Read more at Program on Climate Change »