Sentences with phrase «thins ice in this region»

Because they depend on sea ice to hunt seals, the polar bear is considered threatened as global warming melts and thins ice in this region.

Not exact matches

If one part of an ice shelf starts to thin, it can trigger rapid ice losses in other regions as much as 900 kilometres away — contributing to sea level rise
The region's birth in a giant impact must have excavated so much ice from Pluto's surface that watery slush welled up from deeper within, plumping up to form a heavy, planetary - scale bruise beneath the thinner crust.
Since a thinner ice shell retains less heat, the tidal effects caused by Saturn on the large fractures in the ice at the south pole are no longer enough to explain the strong heat flow affecting this region.
In previously ice - rich areas such as the Beaufort Gyre off the Alaskan coast or the region south of Spitsbergen, the sea ice is considerably thinner now than it normally is during the spring.
In fact, their satellite tracking revealed that those bears that continued to den on ice tended to shift their dens eastwards, moving away from the western regions where the ice was thinning faster.
Results published in May show this region crossed an invisible threshold in 2009, with a dozen major glaciers simultaneously starting to thin, sweating off 60 billion tons of ice per year.
Dr Ian Joughin at the University of Washington, author of a recent study simulating future Antarctic ice sheet losses added: «This study does a nice job of revealing the strong thinning along the Amundsen Coast, which is consistent with theory and models indicating this region is in the early stages of collapse.»
«In this region, the same [storms] that have driven increased snowfall inland have brought warmer ocean currents into contact with West Antarctic's ice shelves, resulting in rapid thinning,» said ThomaIn this region, the same [storms] that have driven increased snowfall inland have brought warmer ocean currents into contact with West Antarctic's ice shelves, resulting in rapid thinning,» said Thomain rapid thinning,» said Thomas.
On March 21, 2012, the MESSENGER team also revealed new supporting evidence that many permanently shadowed craters in Mercury's polar regions may harbor water ice insulated with a thin layer of soil or dust, or some other radar - reflecting volatile substance such as sulfur.
Ice is also thinner in the Canadian Archipelago region (an implication for the Northwest passage).
The ice in this region of approximately 100 kilometers in diameter is always thinner than the surrounding regions, and small areas of open water are common year - round.
Sea ice development in the Svalbard region was later than usual and many Svalbard fjords had little landfast ice or thinner than normal landfast ice.
Hunters in the region have had to traverse thin, unstable ice as reflected in ice thickness surveys along trails in the Barrow region.
West Antarctica is one of the fastest warming regions on Earth and its ice sheet has been stage to dramatic thinning in recent years.
The total area covered by thick older ice that survives one or more summers («multi-year ice») shrank 42 percent or 1.54 million square kilometers (595,000 square miles), leaving thinner first - year ice («seasonal ice») as the dominant type of ice in the region.
It is found that winter sea ice is about 50 cm thinner in high - NAO index years than in low - NAO index years in the Eurasian coastal region mainly due to stronger wind - driven ice export.
The thinner wintertime ice combined with strengthened southerlies in spring promotes an earlier break - up of the ice pack in the Eurasian coastal region, resulting in significant sea ice export.
Lance, adrift in the ice, provided a base for 100 scientists and engineers who spent 3 to 6 weeks on board the vessel studying air - snow - ice - ocean interactions in a region with thinner sea ice.
Although the study did not find a significant change in the elevation of the interior East Antarctic Ice Sheet, it shows for the first time that the thinning of the Totten glacier in that region extends to the point where the ice meets the land surface below, known as the grounding liIce Sheet, it shows for the first time that the thinning of the Totten glacier in that region extends to the point where the ice meets the land surface below, known as the grounding liice meets the land surface below, known as the grounding line.
Statistically significant upward velocity and accelerations are recorded at 27 GPS stations, predominantly located in the Central Highlands region of Iceland, where present - day thinning of the Iceland ice caps results in velocities of more than 30 mm / yr and uplift accelerations of 1 — 2 mm / yr2.
«This is not a case of thicker ice appearing in one region simultaneously with thinner ice appearing in another, induced perhaps by a change in surface winds or other transient conditions,» Dr. Rothrock said, noting that the decrease was widespread in the central Arctic Ocean, and most pronounced in the eastern Arctic.
This would only compound warming in the region, which is already moving at a fast clip due to the thinning of ice sheets and record melting of sea - surface ice.
a b c d e f g h i j k l m n o p q r s t u v w x y z