Antarctica’s so-called Doomsday Glacier, nicknamed because it is huge and coming apart, is mostly thwarting an international effort to figure out how dangerously vulnerable it is.
A large iceberg broke off the deteriorating Thwaites glacier and, along with sea ice, it is blocking two research ships with dozens of scientists from examining how fast its crucial ice shelf is falling apart.to study the Florida-sized glacier by land, sea and below for the brief time the remote ice is reachable during the Antarctic summer.
Improvising, Holland decamped at the nearby Dotson ice shelf to do his research where no human had been before. He’s hoping that along that blinding white ice and its rugged frozen cliffs he can learn about the unseen warm ocean water nibbling away at both Dotson and Thwaites from below. The smaller Dotson ice shelf is about 87 miles west of the Thwaites ice shelf.
Much of the problem is that loads of sea ice have gravitated around the huge iceberg. And that’s ironic — and troublesome for researchers — because overall Antarctic sea ice is unusually low for this time of year, Larter said. “I think the ice shelf will be gone in a matter of years to decades,” Holland said via Zoom on a computer set up on an outdoor table in the 24-hour sun, where the morning temperature was -4 . “But the actual inland ice, that’s the really unknown question.”
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Giant iceberg blocks scientists' study of 'Doomsday Glacier'A large iceberg broke off the deteriorating Thwaites glacier and, along with sea ice, it is blocking two research ships with dozens of scientists from examining how fast its crucial ice shelf is falling apart. Plans to examine the glacier's crucial ice shelf haven't been stopped but are sidetracked a bit, officials said. This was the last of three international scientific expeditions aimed at the vulnerable ice shelf, said British Antarctic Survey geophysicist Rob Larter, chief scientist of the first research mission.
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