Sentences with phrase «as glaciers calved»

Two decades ago, the Greenland ice sheet was in approximate balance - ice loss at the edges as glaciers calved into the ocean was balanced by ice gain in the interior from increased snowfall.
Usually, surface melt and ice flow (as glaciers calve into the sea) are the two ways in which Greenland (and other places, like Canada) contribute water to the ocean.

Not exact matches

Warnings for shipping Molnia said a system for such tracking of glaciers could provide important warning for shipping in the region as calving, and the formation of icebergs, increases.
In a presentation Thursday at the Seismology Society of America's annual meeting in Anchorage, West showed that long - ignored data within the state's earthquake records faithfully capture dynamic change occurring above ground: ice breaking off of glaciers and falling into water, the phenomenon known as calving.
He noted that the equipment to track the seismic signals from calving glaciers is expensive, and it's necessary to have a number of sensors in place — as the Alaska network does — because to pinpoint the location of a calving, glacier scientists have to triangulate data from several sensors.
But there are some niggling doubts about whether the West Antarctic Ice Sheet could calve into the sea more quickly than expected, as the glaciers contract.
«As the glacier's calving front retreats into deeper regions, it loses ice — the ice in front that is holding back the flow — causing it to speed up,» Joughin clarifies.
At its calving front, where the glacier effectively ends as it breaks off into icebergs, some of the ice melts while the rest is pushed out, floating into the ocean.
Can a rising sea level can act as a boost for glaciers calving into the sea and trigger a surge of ice into the oceans?
Pine Island Glacier, the longest and fastest flowing glacier in Antarctica, has calved multiple icebergs, as can be seen in a series of photos.
Alaska's glaciers contributed to one third of the world's ice sheet losses from 2005 to 2010, but a new study suggests melting, not calving as shown here, contributed to the most loss.
Guests on UnCruise Alaskan cruises are often treated to a glacier calving show, as seen below where guests from the Safari Endeavour witnessed massive chunks calve from the face of Dawes Glacier.
Marvel at glaciers and witness the amazing spectacle of thunder and spray as tremendous slabs of ice break off and «calve» into the sea.
From Seattle cruise up Alaska's Inside Passage and enjoy the stunning vistas of majestic mountains, calving glaciers and glistening blue waters as your luxurious ship glides serenely along.
Can a rising sea level can act as a boost for glaciers calving into the sea and trigger a surge of ice into the oceans?
So a 3-fold increase in output glacier velocity does not count as «extensive sustained calving»?
So long as an ice sheet gains an equal mass through snowfall as it loses through melt, ablation, and calving from glaciers and ice shelves, it is said to be in balance.
Here, ice is loss by melting rather than iceberg calving as when glaciers meet the sea.
As a rough estimate, half of the current ice loss in West Antarctica is by melting where the glaciers meet the ocean, and half is by calving.
The rapid melting of Kangerdlugssuaq glacier has produced a special category of earthquake known as a glacialquake.1, 3 Once thought to occur when glacial ice strikes solid earth beneath it, glacialquakes are now attributed to lurching that occurs when parts of the glacier break off (calve) into the ocean.4, 5
Scientists know these processes can lead to collapse, because it's already happening: In Greenland, the Jakobshavn glacier is in rapid retreat, with the unstable calving cliff now more than 250 feet high, about as tall as the Statue of Liberty.
As the Arctic region warms, Greenland glaciers such as Jakobshavn have been thinning and «calving» — or breaking off — icebergs further and further inlanAs the Arctic region warms, Greenland glaciers such as Jakobshavn have been thinning and «calving» — or breaking off — icebergs further and further inlanas Jakobshavn have been thinning and «calving» — or breaking off — icebergs further and further inland.
Pine Island Glacier, the longest and fastest flowing glacier in Antarctica, has calved multiple icebergs, as can be seen in a series of photos.
This was the second large calving event off this glacier in just two years: the iceberg that broke away in August 2010 was twice as large.
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