Sentences with phrase «ice breakup in»

Conclusions Early ice breakup in summer and / or late freeze - up in fall can not exclusively be blamed when polar bears struggle to get through the ice - free period.

Abstract Under current climate trends, spring ice breakup in Hudson Bay is advancing rapidly, leaving polar bears (Ursus maritimus) less time to hunt seals during the spring when they accumulate the majority of their annual fat reserves.

Not exact matches

The researchers used underwater microphones aboard buoys to record the ambient noises of a variety of ice breakups at the Hans Glacier in Norway and synchronized the recordings with time - lapse photos of the glacier (as shown in the video above).

«There are suggestions in the literature that accelerated breakup of ice shelves will lead to rise of sea level by several meters by the end of the century,» Godin said.

Summer surface meltwater will expand vertical fractures in the ice sheet and lubricate the ice sheet bed, so leading to mechanical breakup by mechanisms that we currently can not model by computer and so can not forecast.

Since IPCC (2001) the cryosphere has undergone significant changes, such as the substantial retreat of arctic sea ice, especially in summer; the continued shrinking of mountain glaciers; the decrease in the extent of snow cover and seasonally frozen ground, particularly in spring; the earlier breakup of river and lake ice; and widespread thinning of antarctic ice shelves along the Amundsen Sea coast, indicating increased basal melting due to increased ocean heat fluxes in the cavities below the ice shelves.

An additional new feature is the increasingly visible fast dynamic response of ice shelves, for example, the dramatic breakup of the Larsen B Ice Shelf in 2002, and the acceleration of tributary glaciers and ice streams, with possible consequences for the adjacent part of the ice sheeice shelves, for example, the dramatic breakup of the Larsen B Ice Shelf in 2002, and the acceleration of tributary glaciers and ice streams, with possible consequences for the adjacent part of the ice sheeIce Shelf in 2002, and the acceleration of tributary glaciers and ice streams, with possible consequences for the adjacent part of the ice sheeice streams, with possible consequences for the adjacent part of the ice sheeice sheets.

Emma Watson and Robert Pattinson reunited for the first time since Harry Potter And The Goblet Of Fire in 2005 while presenting together at the Golden When dealing with breakups, most people drown their feelings — in chocolate, ice cream, or The Notebook.

Arriving in New York City following a nasty breakup, Slevin gets mugged while he's practically still on the airport tarmac; shortly thereafter, this hapless (and newly walletless) innocent winds up being mistaken for the deadbeat pal in whose apartment he's crashing, targeted by not one but two ice - cold criminal kingpins — archrivals, no less, who've spent the last two decades malevolently eyeing each other from matching penthouse suites situated just a few blocks apart.

While filming in the Arctic for his documentary, «Chasing Ice», filmmaker James Balog captured the breakup of the Ilulissat...

Reports of the breakup of Antarctic ice shelves and other signs of actual current warming in polar regions begin to affect public opinion.

With this unofficial time, this year places 4th earliest for the breakup of ice in the Tanana river.

Ultimately, there is limited value in debating whether human - driven warming has caused the uncloaking of any particular Arctic island, the retreat of a snowfield atop any single mountain — even one as charismatic as Kilimanjaro — or the breakup of a particular ice shelf in Antarctica, or any other regional anomaly.

I taught a climate statistics class at the University of Alaska Fairbanks, Dept. of Atmospheric Sciences in 2011 (I think) during spring semester and as a class team exercise we «forecast» the Nenana ice breakup date.

Despite this, if you display those images at 500 meter resolution, you can see where the ice in the North West Passage is a darker blue, which would indicate some level of breakup.

Throw in the possibility (weighted, perhaps) of ice sheet breakups in greenland and antarctica, and how do our «Scenarios A B and C» look for the FUTURE now?

«in Western Hudson Bay, the decline in population size, condition, and survival of young as a consequence of earlier breakup of the sea ice brought about by climate warming have all been well documented (Stirling et al., 1999; Gagnon and Gough, 2005; Regehr et al., 2005; I. Stirling and N.J. Lunn, unpub.»

Negative interactions between polar bears and humans, such as bears foraging in garbage dumps, have historically been more prevalent in years when ice - floe breakup occurred early and polar bears were relatively thin.

When such events do occur (such as flooding in Bangladesh, ice shelf breakups in Antarctica) they occur in remote locations that are far from the concerns of average Americans, and making the link between these events and individual day to day concerns is very difficult to make.

The same is true for ice melting: All glaciers of Greenland are receding, but the breakup point of the largest tidal glacier (near Illulisat) moved faster inland in the 1930 - 1940 period than today.

I believe that what the phrase is trying to get at is either the acceleration relative to the pause in the 1950 - 1970 period, or the acceleration in accumulation of noticeable consequences — worldwide glacier melt, sea ice retreat, earlier onset of springtime, (possibly) increasingly intense hurricanes, Larsen - B breakup, melting of Greenland along the margins, etc..

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.

Small changes in global sea level or a rise in ocean temperatures could cause a breakup of the two buttressing ice shelves.

Subsequent work pointing in the same direction included De Angelis and Skvarca (2003), who found that Antarctic grounded ice surged after an ice shelf breakup, and Bindschadler et al. (2003), who reported that a major West Antarctic ice stream started and stopped flowing as the tide went up and down.

There has been discussion of the role of an August storm in 2012; the storm contributed to breakup of the sea ice and perhaps enhanced sea ice decay.

In this case the thinning and resultant structural weaknesses preconditioned the ice to rapid breakup, which proceeded to lose only the preconditioned portion of the ice shelf.

A run of bad news from the climate scientists might convince a government that the breakup of the Greenland ice sheet was accelerating, and that Earth's low - lying areas were facing an imminent rise of 3 feet or more in sea level.

The Nenana Ice Classic has interested me, as it is a continuous record since 1917 of the breakup of ice in the Tanana River near Nenana, AlasIce Classic has interested me, as it is a continuous record since 1917 of the breakup of ice in the Tanana River near Nenana, Alasice in the Tanana River near Nenana, Alaska.

In 1992 when breakup of sea ice was delayed by 25 days, the body condition of all ringed seals declined.

However, in the first few days of August, it now appears the cyclone is fostering ice loss through mechanical ice breakup and enhanced melt.

Although they never knew exactly when it would happen, they had come to expect and prepare for ice breakups, which have become more common in recent years.

Unlike 2007, which had a strong unusual wind pattern during all the summer months that contributed to major sea ice loss, summer 2012 meteorology was generally unremarkable, except for a strong storm in early August that contributed to sea ice breakup.

Comments Off on Breakup of sea ice on track in Canada as critical feeding period for polar bears ends

Relative to recent years and potential impacts on polar bear health and survival in Canada, there is nothing alarming in the pattern or speed of sea ice breakup for 2017, either over Hudson Bay, the southern Beaufort, or the eastern high Arctic.

Regehr, E. V., N. J. Lunn, S. C. Amstrup, and I. Stirling, 2007: Effects of earlier sea ice breakup on survival and population size of polar bears in western Hudson Bay.

The high temperatures also helped fuel wildfires and hastened the breakup of sea ice in the Chukchi Sea.»

However, a major storm in the central Arctic during mid - to late August will support continued breakup of the central ice pack.

Breakup for Western Hudson Bay (WHB) is looking to be later than usual this year, given that the average breakup date since 1991 has been July 1 (using a 30 % threshold)-- only a few days from now — and the ice in WHB is nowhere near 50 % coverage, let alonBreakup for Western Hudson Bay (WHB) is looking to be later than usual this year, given that the average breakup date since 1991 has been July 1 (using a 30 % threshold)-- only a few days from now — and the ice in WHB is nowhere near 50 % coverage, let alonbreakup date since 1991 has been July 1 (using a 30 % threshold)-- only a few days from now — and the ice in WHB is nowhere near 50 % coverage, let alone 30 %.

IMO, the strongest argument for sea ice decline over the last decade for being unusual and at least in part attributable to global warming is this (from Polyakov et al.): The severity of present ice loss can be highlighted by the breakup of ice shelves at the northern coast of Ellesmere Island, which have been stable until recently for at least several thousand years based on geological data.