Sentences with phrase «ice margin»

The Greenland ice sheet terminates along this so - called grounded ice margin near the town of Ilulissat.
Straddled along the sea - ice margin at the northernmost extension of the warm Gulf Stream, climate on the archipelago is highly sensitive to change: Svalbard is one of the fastest - warming places on the planet.
A study of the demise of the Laurentide Ice Sheet that once covered Canada may help scientists better understand shrinking ice fields today — like this melting ice margin in Greenland.
Current south Greenland ice margin retreat suggests that south Greenland may have now warmed to or above earliest Holocene summer temperatures.
There are a few settlements down - valley of large terrestrially - terminating Greenland outlets, but even these are mostly at least 3 km from the present ice margins.
Subsequent insolation - driven cooling caused GIS margin readvance to late Holocene maxima, from which ice margins are now retreating.
«In line with previous results, we find that on average the surface air temperature variability decreases at higher latitudes, particularly over the ocean along the sea ice margins, while variability in precipitation increases on average, particularly at high latitudes.
Warm Pliocene ocean waters would have facilitated such a retreat of this part of the EAIS into the Central Basin, occurring at the same time as ice shelf collapse and ice margin retreat in other circum - Antarctic locations, such as the Ross Sea.
They underwent rapid collapse through calving of vast armadas of icebergs and undercutting of the ice margin by warm ocean currents.»
Earthquakes triggered near the ice margin may in turn accelerate ice calving and may account for the Heinrich events (Hunt & Malin 1998).
As more ice are removed near the ice margin, more intraplate earthquakes are induced and this positive feedback may explain the fast collapse of ice sheets.
As the ice margin retreats, the area of ice sheet exposed to ocean water grows.
The authors propose that the enhanced erosion of FLIP material in the Central Basin required multiple retreats of the ice margin inland by several hundred kilometres.
This is why extent is such a useful measure: it only needs observations at the ice margin, and is robust even with sparse observations.
If you measure the latitude of the ice margin at just one point, you can make a very reasonable estimate of the total extent.
The ice margin near Jakobshavn thus underwent large and rapid adjustments in response to relatively modest centennial - scale Holocene temperature changes, which may foreshadow GIS response to future warming.
They underwent rapid collapse through calving of vast armadas of icebergs and undercutting of the ice margin by warm ocean currents.»
As the ice margin retreats, the area of ice sheet exposed to ocean water grows.
In 2010, microbiologist Marian Yallop of Bristol found more life on the ice margins: a thriving community of algae that extends beyond the cones.
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