San Francisco Chronicle

Outbreak adds to challenges of daunting mission in Arctic

- By Frank Jordans Frank Jordans is an Associated Press writer.

BERLIN — They prepared for icy cold and trained to be on the watch for polar bears, but a pandemic just wasn’t part of the program.

Now dozens of scientists are waiting in quarantine for the allclear to join a yearlong Arctic research mission aimed at improving the models used for forecastin­g climate change, just as the expedition reaches a crucial phase.

“We definitely don’t want anybody getting sick and we don’t want to take that out to the ship,” said Matthew Shupe, an atmospheri­c scientist at the University of Colorado and coleader of the MOSAiC expedition. “Realistica­lly, it’s actually one of the safest places on Earth right now.”

For a while, the internatio­nal mission looked like it might have to be called off, as country after country went into lockdown because of the coronaviru­s, hampering plans to bring fresh supplies and crew to the German research vessel Polarstern that’s been moored in the high Arctic since last year.

News of the pandemic caused jitters among those already on board, said Shupe.

“Some people just wanted to be home with their families,” he said in a video interview from the German port of Bremerhave­n, where he and about 90 other scientists and crew have been kept in isolation to ensure they’re virusfree.

Organizers at the Alfred Wegener Institute for Polar and Ocean Research managed to fly out a handful of people via Canada last month. The rest of the crew will be exchanged with the help of two other German research ships that will meet the Polarstern on the sea ice edge.

That upcoming rendezvous will force the Polarstern to abandon its current position for three weeks at a critical time in the Arctic cycle.

“We are on the cusp right now of the onset of the sea ice melt season and that’s a really important transition,” said Shupe.

To avoid missing out on key data, researcher­s will leave some instrument­s behind, including a 36foottall tower used for atmospheri­c measuremen­ts, and hope that it’s still there when they return.

Adding to the problem is the fact that the sea ice is cracking and moving about earlier than anticipate­d, a sign of possible future changes to the Arctic if global warming continues.

“It’s challengin­g,” said Shupe. “But we need to face that challenge in order to get these kind of measuremen­ts.”

Scientists on the $158 million expedition have gathered valuable data since setting out last September with 100 researcher­s and crew from 17 nations including the United States, France, China and Britain.

Shupe said the measuremen­ts that scientists were able to perform during the long Arctic winter will improve the models they use to calculate how snow insulates sea ice and affects the movement of energy.

 ?? Manuel Ernst / Alfred Wegener Institute ?? The German vessel Polarstern is seen April 24 in the Arctic. Scientists are waiting in quarantine to join the research program.
Manuel Ernst / Alfred Wegener Institute The German vessel Polarstern is seen April 24 in the Arctic. Scientists are waiting in quarantine to join the research program.

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