21 October, 2018

The song of climate change: Antarctic ice shelf ‘sings’

Antarctica's vast Ross Ice Shelf has been captured "singing" in remarkable new observations – something that could help scientists to monitor its changes from afar.
US scientist Rick Aster, pictured on Antarctica's Ross
Ice Shelf holding a broadband seismometer that was
 buried to record micro-scale seismic motions
of the shelf over two years.
Winds blowing across snow dunes on the shelf cause the Texas-sized ice slab's surface to vibrate, producing a near-constant set of seismic "tones" described in a just-published study.

The ice shelf – which aircraft flying to New Zealand's Scott Base land upon in the summer season – is Antarctica's largest and is fed from the icy continent's interior that floats atop the Southern Ocean.

Most of it lay in the Ross Dependency, claimed by New Zealand.


Read the story from the NZ Herald by Jamie Morton - “The song of climate change: Antarctic ice shelf ‘sings’."

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