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Sea Ice


From icebergs to smoke, forecasting where dangers will drift

ScienceNewsforStudents

Some of these drift detectives want to know if large icebergs threaten offshore oil platforms. Others hope to track plumes of polluted air or water — and determine where they’re coming from. The work is challenging. It also can be very rewarding.

Melting ice imperils 98% of Emperor penguin colonies by 2100

The Associated Press

WASHINGTON (AP) — With climate change threatening the sea ice habitat of Emperor penguins, the U.S. Fish and Wildlife Service on Tuesday announced a proposal to list the species as threatened under the Endangered Species Act. “The lifecycle of Emperor penguins is tied to having stable sea ice, which they need to breed, to feed and to molt,” said Stephanie Jenouvrier, a penguin ecologist at the Woods Hole Oceanographic Institution.

Icebergs Drifting from Canada to Southern Florida

Eco

Using high resolution seafloor mapping, radiocarbon dating and a new iceberg model, the team analyzed about 700 iceberg scours (“plow marks” on the seafloor left behind by the bottom parts of icebergs dragging through marine sediment) from Cape Hatteras, North Carolina to the Florida Keys.

Arctic Science Mission Wraps Up as Research Ship Docks in Germany

The New York Times
new york times

After a year spent drifting across the top of the world, frozen in sea ice, a German research ship returned home on Monday, ending the largest Arctic science expedition in history, one aimed at better understanding a region that is rapidly changing as the world warms.