Sentences with word «circumpolar»

The majority of Antarctic Circumpolar Current water is transported by jets in the Sub-Antarctic Front and the Polar Front.

Scientists have observed that pressure from current - seafloor encounters drives the direction of the massive Antarctic Circumpolar Current in the Southern Ocean.

In this case, incursions of circumpolar deep water onto the continental shelf are melting the ice stream at its base and encouraging grounding line recession, which results in a positive feedback loop and further grounding line recession.

For one thing there has been a noticeable expansion of the great belt of dry, high - altitude polar winds — the so - called circumpolar vortex — that sweep from west to east around the top and bottom of the world.»

Around the Antarctic Peninsula, changes in ocean currents, and in particular, changes in circumpolar deep water flowing onto the continental shelf, is melting ice shelves from below.

Antarctica's strong Circumpolar Deep Current circles the entire continent, driven by strong winds called westerlies, which also create the Southern Ocean's dangerous and choppy waters.

The galaxy is circumpolar north of latitude 35N and can be seen throughout the year.

The AMO should be out of phase in the region of the Antarctic circumpolar ocean (21), where deep water from the North Atlantic upwells.

But considering that they have the potential to develop in permafrost and glaciated - influenced landscapes covering 9.6 millions of km2 in circumpolar regions [23], these small systems certainly deserve more attention.

Material from both eruptions was unable to penetrate the Antarctic stratosphere at high altitudes last year because the eruptions occurred after the establishment of the winter vortex of circumpolar winds, which cuts off the upper stratosphere above Antarctica.

«Every one of the 56,000 Inuits in Greenland have had to adapt to the retreat of the ice,» said Carl - Christian Olsen, president of the Inuit Circumpolar Council in Nuuk, Greenland.

Aqqaluk Lynge, a board member and former president of the Inuit Circumpolar Council of Greenland in Nuuk, helped secure modest reparations from Denmark for the displaced residents of Uummannaq, and he says waste leaching from Camp Century would certainly be a problem.

I have looked at all data of circumpolar stations.

The clues found in sediments deposited during the late Holocene suggest that an ocean current that circles the southern polar region, known as Circumpolar Deep Water, flowed underneath the Cosgrove Ice Shelf and melted it.

«In winter, the freezing Arctic air is normally «locked» by strong circumpolar winds several tens of kilometers high in the atmosphere, known as the stratospheric polar vortex, so that the cold air is confined near the pole,» says Marlene Kretschmer from PIK, lead - author of the study to be published in the Bulletin of the American Meteorological Society.

Possibilities include impacts on circumpolar circulation, which would impact moisture flowing over the continent from the north, and the Bermuda High, which would impact moisture flowing over the continent from the south.

The effects of eddies in a primitive equation ocean model configured in a single hemisphere domain with circumpolar channels at their poleward ends are investigated; in particular, two regimes for the mass balance in the channel are investigated.

This experience showed that the Weddell Sea ice slowly rotates clockwise, with a period of about two years (1), the same period for the Antarctic Circumpolar Circulation.

Circumpolar distribution of Holocene marine fossils in Antarctic beaches.

Models now simulate that as drifting continents opened «gateways» and allowed for uninterrupted circumpolar flow, surface temperatures began cooling significantly (Bijl 2013).

Glacial troughs, excavated throughout maximum glaciations over the last 2 million years, provide a major route for Circumpolar Deep Water to access the ice shelves11.

The imagery will help the team understand the forces at work in the animation - a north pole dominated by a central cyclone surrounded by eight circumpolar cyclones with diameters ranging from 2,500 to 2,900 miles (4,000 to 4,600 kilometers).

For Mathis, the ministerial's most important achievements include agreements to expand monitoring of climate - change impacts on the region and sharing that data between the eight circumpolar nations and 15 non-Arctic nations represented at the event.

Science diplomacy will play a large role in how indigenous people, the eight circumpolar countries, and other interested nations negotiate complicated economic, security, and environmental interests while attempting to maintain strong scientific ties, particularly with the new U.S. administration.

And with Arctic ice cover shrinking more than ever this past summer, the Inuit of the northern circumpolar region say their way of life is disappearing.

Temperatures typically have the steepest gradients in mid-latitudes and a strong circumpolar jet stream arises.

Assessing circumpolar polar bear health status in relation to climate changes and contaminant exposure.

Thoma M, Jenkins A, Holland D, Jacobs S. Modelling circumpolar deep water intrusions on the Amundsen Sea continental shelf, Antarctica.

A new 3D map sorts global water masses — from deep, frigid circumpolar waters to the oxygen - starved Black Sea — into 37 categories.

Papp: As you look down on the earth from above the North Pole, what you see is a large ocean with an ice cap surrounded circumpolar by land with people on it.

A 2013 circumpolar expedition discovered hundreds of tons of plastic debris, from fishing lines to plastic films, ecologist Andrés Cózar of the University of Cádiz in Spain and colleagues report April 19 in Science Advances.

Currently, Pallas comprises one of the most important research infrastructures in Finland and in the wider circumpolar region, contributing to numerous European and global research programmes, such as GAW, ICOS, ACTRIS and EMEP.

Other circumpolar regions face infrastructure challenges from the warming earth.

Varying surface pressure pushes circumpolar winds and storms more or less into lower latitudes.