A spike in central Arctic Ocean radium levels startled scientists — and led to discoveries about how the ocean is rapidly changing
Scientists found that the amount of radium-228 in the central Arctic ocean had nearly doubled between 2007 and 2015. They traced it to shallow continental shelves where dramatic changes are taking place.
May 15, 2018
3221
In 2007, researchers climbed onto the icebreaker Polarstern and debarked from the northern Norwegian city of Tromsø, which sailed to the central Arctic Ocean. Here, they took samples of the surface water, examining them for a special isotope, radium-228.
Access to content from the Arctic Knowledge Archives is available to subscribers only.
Please sign in to continue, or choose your subscription for unlimited access.
All memberships are considered donations to support this non-profit effort. Institutions and groups should contact us directly for pricing.
Already a subscriber? Log in
Membership
You may select only one level from this group.
Individual Annual
$150.00
Year
Individual Monthly
$15.00
Month
