Totten and Four East Antarctic Glacial Neighbors are Moving


Alex Wierbinski's picture

By Alex Wierbinski - Posted on 10 December 2018

WATER, ICE, OCEANS, & FISH

East Antarctic Glaciers Moving Rapidly
Totten and E Antarctic Glaciers, Landsat 8 — OLI
Totten & E Antarctic Glaciers, NASA, Landsat 8 — OLI

Totten, & More Glaciers in East Antarctica Are Waking Up

Totten and Four Neighbors are Moving,
NASA Earth Observatory, December 11, 2018.

MAIN POINTS

It’s Moving
“...scientists have long considered the eastern half of the continent to be more stable than West Antarctica. Now new maps of ice velocity and elevation show that a group of glaciers spanning one-eighth of the East Antarctic coast have been losing some ice over the past decade.”

Fast
“...found that the surface height of four glaciers west of Totten, in an area facing Vincennes Bay, has dropped by an average of nearly three meters (9 feet) since 2008.”

East Antarctica on the Move
“Such levels of ice loss are small when compared to those of glaciers in West Antarctica. But still they speak of nascent and widespread change in East Antarctica.”

How Far? Unknown
“Heightened attention needs to be given to these glaciers: We need to better map the topography and we need to better map the bathymetry,” Gardner said. “Only then can we be more conclusive in determining whether, if the ocean warms, these glaciers will enter a phase of rapid retreat or stabilize on upstream topographic features.”

 

 

Previous Belief

East Antarctic ice sheet to remain stable even if western ice sheet melts

 

Wrong!
The Totten is Moving

The Totten Glacier, East Antarctica

 

East Antarctic Breakdown: The Totten Glacier is Melting

 

Ice News, Big, Cold, Old, Things are Stirring: The Totten Glacier, East Antarctica

 

Moderate warming could melt East Antarctic Ice Sheet

 

 

2018 Status of All Antarctic Ice: Ice Loss Triples

 

The Big Picture
Antarctic Glacial Flows
Antarctic Glacier Movement, Landsat 8 -- OLI
Antarctic Glaciers, NASA, Landsat 8 — OLI

 

Big Trouble

How Big is the Carbon Gun We're Triggering? Very Large Indeed

Antarctica retreating across the sea floor

 

 

W Antarctica
W Antarctica on the Way Out

 


The End of Cold

Eco Crash News: Furthest Northern Arctic Permafrost to Melt

 

 

 

 Antarctic Map
Canada/British Antarctic Survey detailed map of Antarctica
Canada's BAS PDF Antarctic Map

 

 

 

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 NASA, observations, Totten Glacier, neighbors, moving

 

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