The glacier is currently experiencing significant acceleration, thinning and retreat that is thought to be caused by «ocean - driven» melting; an increase in warm ocean water finding
its way under the ice shelf.
Not exact matches
The team plans to apply for funding to return to the
ice shelf with a more advanced robot that could go farther
under the
ice, all the
way to the seafloor.
One 2004 NASA - led study found that most of the glaciers they were studying «flow into floating
ice shelves over bedrock up to hundreds of meters deeper than previous estimates, providing exit routes for
ice from further inland if
ice - sheet collapse is
under way.»
But deep water production by convection may be less, depending on how much NADW is Arctic in origin and how much is simply recirculated Antarctic bottom water (extremely dense water, formed as brine
under the sea
ice around polynas offshore of Antarctica and sliding down the continental
shelf into the depths without much mixing, creates a giant pool of dense water extending all the
way up the bottom of the Atlantic to about 60 ° N).
«Deep channels
under the
ice allow warm water to flow all the
way to the grounding line, where the
ice shelf meets the bedrock,» said Michael Studinger, a researcher with the mission.