Sentences with phrase «more calving»

Once the process begins thinner less buttressed ice enables acceleration and more calving and more retreat.

As in the case on Jakobshavns, Helheim and others the key is the pre-conditioning phase of thinning, that leads to more calving, that leads to more acceleration, and that generates retreat.

This acceleration in our experience leads to more calving, more retreat and more acceleration.

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.

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.»

Not exact matches

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.

The iceberg weighs more than a trillion tonnes (1,000,000,000,000 metric tonnes), but it was already floating before it calved away so has no immediate impact on sea level.

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.

That's because faster development meant less time exposed to predators — and also brought the mosquitoes» life cycle more into sync with that of the caribou they feed on, which are less mobile as they calve in early spring.

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.

This means that, even though the glacier is flowing towards the coast and carrying more ice into the ocean, its calving front is actually retreating.

«The new branch is heading off more toward the ice front, so it's more dangerous and more likely to cause this calving event to occur» than the main branch, he says.

Researchers knew that the reindeer spent their summers in calving grounds in the north and migrated south to spend the winter in a bit more hospitable territory.

Scientists witnessed gigantic events this year — a neutron star collision and a calving Antarctic iceberg — and also demonstrated the transformative power of more minuscule changes.

The most obvious example of this is the case of calving glaciers where their gross behaviour may relate more to water depth at the calving front than small - scale climate variations.

The findings also show that the loss of ice from calving has remained more or less constant through the 20th century, says Dr Ruth Mottram, a climate scientist at the Danish Meteorological Institute who wasn't involved in the study.

The figures opposite and above show that latitude, terminal environment (calving or ending on land) and size exert the strongest controls on glacier shrinkage, with the more northerly, land - terminating, smaller (less than 5 km2) glaciers shrinking fastest.

More specifically, using digital scans of paper maps based on aerial imagery acquired by the U.S. Geological Survey, along with modern - day satellite imagery from a variety of platforms, the authors digitized a total of 49 maps and images from which they calculated changes in the terminus positions, ice speed, calving rates and ice front advance and retreat rates from 34 glaciers in this region over the period 1955 - 2015.

DESIGNED SPECIFICALLY FOR DYNAMIC CONTRACTION TECHNIQUE — have you ever tried to get the perfect hamstring or calve stretch only to find yourself involving many more muscles in the process?

For me personally, I have weak calve and lat muscles that I need to work more on.

Researchers individually tracked more than 33,000 cows in 205 beef cow - calf herds from spring 2001 to the end of the calving season in 2002 to examine the potential effects of emissions from the oil and gas industry on productivity.

Another hip disease, even more serious, is called Legg - Calve - Perthes.

Generally these are more common in Aussies, including thyroiditis, Addison's disease, degenerative myelopathy, exocrine pancreatic insufficiency, glomerulonephritis, idiopathic thrombycytopaenia, immune mediated haemolytic anaemia, inflammatory bowel disease, Leg - Calve - Perthes Disease, Lupus, myasthenia gravis, pemphigus, puppy strangles, sterile granuloma, uveodermatological syndrome and vitiligo.

«As we reframe how we manage the vulnerable time around calving and make immune suppression a priority, we know that more than 80 percent of U.S. producers are looking to their veterinarians for help in protecting their cows» immune systems,» said Paul Rapnicki, DVM, MBA, Dairy Technical Consultant, Elanco Animal Health.

Legg - Calve - Perthes disease is a more serious condition, but is fortunately less common.

They are more prone to hip and elbow dysplasia and a disease of the femoral bone called Legg - Calve - Perthes in which the femoral bone receives a lack of blood and bone tissue dies.

Witness the northern lights, come eye to eye with beluga whales, watch Alaska's coastal grizzlies gorge on salmon, view glaciers calving in Greenland, and more!

Cruise through Tracy Arm, with one of Alaska's most dramatic glacier settings; the gorgeous Inside Passage, with its whales, soaring eagles, and more; and Glacier Bay National Park, where you'll witness the huge slabs of ice break off and «calve» into the sea.

Examinations of the stomachs of whales during the more prevalent whaling days indicated that Gray Whales eat very little while migrating and while in calving areas.

Close encounters with Grey Whales in their calving lagoons is an experience never to be forgotten, and many more species besides congregate in these rich and diverse waters.

The most obvious example of this is the case of calving glaciers where their gross behaviour may relate more to water depth at the calving front than small - scale climate variations.

... Khan said understanding the underlying processes that lead to calving are much more important in determining the fate of glaciers around Greenland, but particularly Zachariae and other glaciers in the northeast.

NPR gave some of the history as found here: http://pubs.aina.ucalgary.ca/arctic/Arctic39-1-15.pdf (the ice loss has been happening for more than a century, but the last bits of the old ice age ice sheet are going fast now ``... a total of 48 square km... calved from Milne and Ayles ice shelves between July 1959 and July 1974.....»

Thinning causes the glacier to be more buoyant, even becoming afloat at the calving front, and is responsive to tidal changes.

As the ice thins, the ice shelf connection with the pinpoints becomes more tenuous and more prone to retreat via calving.

If I may add one more speculative question: are the portions of glacial sheets formed during periods of high ice flux less stable, and more prone to calving, than those formed during slow flux?

Of course, the calving front will be a spectacular 30 km across the main trunk and, where Columbia has earth on each side, the PIG has ice on both sides of the channel; so, it will be more complicated than the Columbia collapse.

It's also possible that the calving patterns mean more than the total mass of the ice.

Given that calving Patagonia glaciers were far more sensitive to climate fluctuations than western Antarctica, and given the likelihood that paleo sea - ice extent around Antarctica deflected iceberg drift from present pathways, it would be helpful to know how they confirmed the respective continental sources of any dated sediments.

If snowfall increases (as in some models), the mass of ice in Greenland and Antarctica may increase, even if there is more melting and calving of icebergs at the edges.

Acceleration and calving of the Columbia Glacier and other tidewater glaciers in the far north are a large reason glaciers and ice caps are contributing more to sea level rise this century than Greenland and Antarctica, says a new CU - Boulder study.

While there have been numerous claims that warmer Polar temperatures (due to posited global warming effects) will cause more iceberg calving, I'm sure it will come as quite a shock to those same folks when they discover that there's...

More often, however, as with Gotley and its 11 neighbours, the icebergs break off as soon as the ice reaches sea level, so the calving front doesn't change much.

Calving glaciers are more challenging than ordinary ones when it comes to documenting change.

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.

This means that, even though the glacier is flowing towards the coast and carrying more ice into the ocean, its calving front is actually retreating, stated the press release.

So for land ice, more snow falls on Antarctica, but the land ice mass is dropping due to increased calving rates.

-- First we increase the greenhouse gases — then that causes warming in the atmosphere and oceans — as the oceans warm up, they evaporate more H2O — more moisture in the air means more precipitation (rain, snow)-- the southern hemisphere is essentially lots of water and a really big ice cube in the middle called Antarctica — land ice is different than sea ice — climate models indicated that more snowfall would cause increases in the frozen H2O — climate models indicated that there would be initial increases in sea ice extent — observations confirm the indications and expectations that precipitation is increasing, calving rates are accelerating and sea ice extent is increasing.

The two big ice shelves still lose mass predominantly through calving, Thwaites shelf is balanced between the two, PIG is more basal melt.

If the ice shelves were smaller, the glaciers would flow much faster towards the ocean, melting and calving more ice than snowfall inland could replace.