Sentences with phrase «ice calve»

It's where pieces of ice calve from the west coast of Greenland and drift south with the Labrador Current.

Icebergs form when chunks of ice calve, or break off, from glaciers, ice shelves, or a larger iceberg.

Immense craggy mountain ranges erupt straight up from colossal boulder fields, vast rivers of ice calve into deep blue lakes, and its intricate coastline is strewn with uncharted fiords and inlets.

Scientists have documented this transition before: In 2002, a Rhode Island sized chunk of ice calved from a different ice shelf, Larsen B, along the Antarctic Peninsula (SN: 10/18/14, p. 9).

You'll get to «sail up to the face of a towering valley glacier» and «hike above the ice of Grey Glacier» while listening to «the sound of ice calving off hanging mountain glaciers.»

Historic photos and maps (from the 1800's to present) indicate a long term retreat of ice calving fronts on Greenland's glaciers.

Similar patterns of ice calving and retreat leading to rapid glacier acceleration have also been observed in Greenland.

This extraordinary ice calving event happened in spite of it being the middle of winter at the South Pole.

One MODIS animation of ice calving from a glacier in Antarctica actually made it into the Washington Post recently.

Pictures of ice calving from the Arctic ice pack and polar bears stranded on ice sheets drifting in the frigid water bring an emotional charge to the discussion.

That would have needed a factor of 80 for every cubic metre of perennial Arctic ice melted, along with the same factor for every cubic meter of ice calved and melted from the base of the Antarctic ice shelves.

Not exact matches

Although MIDAS is studying climate change's effect on Antartica, they said they weren't sure whether or not global warming was actually the culprit in this particular calving (although they said it does leave the ice shelf in a «vulnerable position.»)

We wandered old Indian trails together, hiked virgin forests and rode Zodiacs up to the calving ice faces of towering glaciers.

An expanding ice - free season also means bears» stay on land would overlap the entire caribou calving season and a good portion of a booming geese population's molt and egg - laying season.

When interviewed, the researchers repeatedly noted that ice shelves calve naturally, and that any link between the new rift and climate change is complicated at best.

One way to assess the health of ice sheets is to look at their balance: when an ice sheet is in balance, the ice gained through snowfall equals the ice lost through melting and iceberg calving.

This iceberg, named UK211, had survived for three years since calving off the Larsen C ice shelf 385 kilometers south, but now it was drifting into warm climates north of the peninsula.

Icebergs that have calved off the edge of the glacier are visible floating out to sea — but so are cracks hundreds of kilometers inland from Jakobshavn, on what would otherwise be a flat expanse of ice.

This isn't the first time ice sheets have calved from the Greenland mainland, but it's one of the largest breaks.

It's vital we achieve this or we are likely to see more calving of large ice shelves, similar to the recent Larsen C event.»

The last time a large iceberg calved from Antarctica was in 2002, when a chunk about half the size of the Larsen C iceberg calved from a different ice shelf on the Antarctic Peninsula, Larsen B (SN: 3/30/02, p. 197).

Thermal wavelength image of a large iceberg, which has calved off the Larsen C ice shelf.

Reporting this week in the journal Nature Climate Change Dr Hogg and Dr Gudmundsson, examine the events leading up to this dramatic natural phenomenon and discuss how calving of huge icebergs affects the stability of Antarctic ice shelves.

Their article asserts that a calving event is not necessarily due to changes in environmental conditions and may simply reflect the natural growth and decay cycle of an ice shelf.

Calving and Ice - Shelf Break - up Processes Investigated by Proxy: Antarctic Tabular Iceberg Evolution during Northward Drift.

Even relatively large calving events, where tabular ice chunks the size of Manhattan or bigger calve from the seaward front of the shelf, can be considered normal if the ice sheet is in overall balance.

«Now we want to understand how the ice shelf will react to this calving event.»

Their observations show that since the calving event, the berg has started to drift away from the Larsen - C, with open ocean clearly visible in the ~ 5 kilometre gap between the berg and the ice - shelf.

Current simulations suggest that the truncated ice shelf will react to this change by flowing faster into the ocean, which will also lead to more calving.

Healthy ice shelves tend to shed, or «calve,» large, tabular icebergs, sometimes larger than the state of Rhode Island.

An iceberg weighing 1 trillion tons calved from Antarctica's Larsen C ice shelf around July 10, capturing global headlines.

The team's next steps include looking more closely at specific ocean swell events and sea ice conditions during known ice shelf collapses and large iceberg calving events.

A one trillion tonne iceberg — one of the biggest ever recorded — has calved away from the Larsen C Ice Shelf in Antarctica, after a rift in the ice, monitored by the Swansea University - led MIDAS project, finally completed its path through the iIce Shelf in Antarctica, after a rift in the ice, monitored by the Swansea University - led MIDAS project, finally completed its path through the iice, monitored by the Swansea University - led MIDAS project, finally completed its path through the iceice.

RETREATING ICE Jakobshavn Glacier in western Greenland (its front edge, where ice is calving into the ocean, shown here in 2012) is one of the world's fastest - shrinking glaciers.

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.

Some calving occurs quietly; ice can slip off a glacier beneath the water without generating seismic waves.

The calving of ice sheets is a continuous process that is influenced by a number of different factors.

The goal is to track the dynamic response of the ice to the calving event, both short - term and long - term.

The iceberg, which is likely to be named A68, was already floating before it broke away so there is no immediate impact on sea levels, but the calving has left the Larsen C ice shelf reduced in area by more than 12 percent.

«In the ensuing months and years, the ice shelf could either gradually regrow, or may suffer further calving events which may eventually lead to collapse — opinions in the scientific community are divided,» Luckman said.

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.

Freshwater flux from Greenland is composed of melt runoff from ice and tundra runoff as well as ice discharge («calving» of icebergs).

The image shows, at the lower center, a thousand - square - mile iceberg that calved off the huge Larsen Ice Shelf sometime in January or February.

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

Slabs continued to calve and break up throughout the next 10 days; by March 8 the Wilkins ice shelf, comprising some 5,000 square miles of floating ice off the coast of the Antarctic Peninsula, had lost 160 square miles of ice to the Pacific Ocean.

There is a lot of evidence that ice - ocean interaction is causing fractures where you see icebergs calving.

«We find that iceberg calving is not the dominant process of ice removal.

They underwent rapid collapse through calving of vast armadas of icebergs and undercutting of the ice margin by warm ocean currents.»

Current climate models do not take into account glacial flow and therefore underestimate the impact of glacial melt and the calving of ice flows, the researchers argue in a paper detailing the findings in today's Science.

«There's an entrenched view in the public community that glaciers only lose ice when icebergs calve off,» says Eric Rignot at the University of California, Irvine.