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Seals Reveal Changes at Antarctica's Most Imperiled Glacier


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An elephant seals rest on the beach in Robert Island, in the South Shetland Islands archipelago, Antarctica.
Photo: Natacha Pisarenko (AP)
Meltwater from Antarctic glaciers is changing the makeup of the region’s oceans more than previously known, a new study finds. The measurements that made these findings possible were collected by an unusual group of researchers: seals.
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The study, published Friday in Communications: Earth and Environment, uses measurements of water temperature and salinity to show how glacial meltwater is changing the makeup of the ocean near the Pine Island Glacier, one of the fastest-retreating glaciers on the continent. The researchers found that the warmer, fresh meltwater was distributed in patches throughout the ocean, including portions rising near the surface. Those surface layers bring up iron and other nutrients to the top of the ocean, encouraging algae and other biomass to grow as well as keeping the ocean r ....

Yixi Zheng , University Of East Anglia , Robert Island , South Shetland Islands , Natacha Pisarenko , Pine Island Glacier , Doomsday Glaciers , East Anglia , Montane Ecology , Earth Sciences , Effects Of Climate Change , Thwaites Glacier , Physical Geography , Retreat Of Glaciers Since , West Antarctica , Melt Water , பல்கலைக்கழகம் ஆஃப் கிழக்கு ஆங்கிலியா , ராபர்ட் தீவு , தெற்கு ஷெட்லேண்ட் தீவுகள் , பைன் தீவு பனிப்பாறை , டூம்ஸ்டே பனிப்பாறைகள் , கிழக்கு ஆங்கிலியா , பூமி அறிவியல் , விளைவுகள் ஆஃப் காலநிலை மாற்றம் , உடல் நிலவியல் , பின்வாங்குதல் ஆஃப் பனிப்பாறைகள் முதல் ,