Sentences with phrase «calving of icebergs»

A new study has found that the massive Laurentide ice sheet that covered Canada during the last ice age initially began shrinking through calving of icebergs, and then abruptly shifted into a new regime where melting on the continent took precedence, ultimately leading to the sheet's demise.

The calving of this iceberg leaves the Larsen C Ice Shelf reduced in area by more than 12 %, and the landscape of the Antarctic Peninsula changed forever.

David Vaughan of the British Antarctic Survey says the calving of an iceberg the size of Oxfordshire from the Larsen Ice Shelf was not necessarily unusual.

«Coincidentally, when melting took off, the ice sheet began pulling back from the coast and the calving of icebergs diminished.

The calving of icebergs is a natural process.

Data reveal they are losing more ice — mainly through the calving of icebergs — than is being replaced by snowfall.

Somewhere behind me I heard a crunching sound, like the calving of icebergs (or the footfall of a hungry snow leopard).

This flow of ice, fed by the continuous formation of new ice on land and culminating in the breakup of the shelves on the outer fringe and the calving of icebergs, is not new.

This accelerates the glacial flow and the calving of icebergs into the surrounding ocean.

«Once ice loss through the calving of icebergs goes beyond the passive shelf ice and cuts into the safety band, ice flow towards the ocean will accelerate, which might well entail an elevated contribution to sea - level rise for decades and centuries to come.»

«This is an example not only of the way in which events are connected across great ranges of oceanic distance, but also of how events in one kind of earth system, i.e., the tectonic plate system, can connect with another kind of seemingly unrelated event: the calving of icebergs from Antarctica's ice sheet,» concluded MacAyeal.

This week, the world witnessed the calving of an iceberg the enormity of which is rare.

Each circular graph is proportional in area to the total ice mass loss measured from each ice shelf, in gigatons per year, with the proportion of ice lost due to the calving of icebergs denoted by hatched lines and the proportion due to basal melting denoted in black.

The shelf of Pine Island Glacier has been moving forward at roughly 4 kilometers per year, so the calving of this iceberg is not necessarily a surprise, noted Tom Wagner, NASA's cryosphere program manager.