Sentences with phrase «ice shelf stability»

«Our models show that similar levels of melt may occur across coastal Antarctica near the end of the century, raising concerns about future ice shelf stability.»

Impacts of warm water on Antarctic ice shelf stability through basal channel formation.

The project aims to improve understanding of snow melt on ice shelves, floating extensions of the massive inland ice sheet which stabilize ice loss, and how melt will impact on ice shelf stability and sea level.

Not exact matches

The yolks will also improve the stability of the ice cream, reducing its tendency to melt quickly, and they will prolong shelf life in the freezer, inhibiting the thaw - re-freeze cycle.

Some scientists plan to assess the stability of the remaining ice shelf, others will map the region's seafloor topography and still others want to study the newly exposed ecosystem that's been hidden from the sun for up to 120,000 years (SN Online: 10/13/17).

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.

Newly developing rift in Larsen C ice shelf presents significant risk to stability.

Now, several research groups aim to assess the stability of the remaining ice shelf, map the region's seafloor and study a newly exposed ecosystem that's been hidden from the sun for up to 120,000 years.

The crack could break off a massive area of ice and threaten the ice shelf's stability.

Shifts in subglacial drainage patterns change the location of these basal channels, which could impact the ice shelf's stability by unevenly distributing the melting at the base.

The stability of ice shelves is important because they help buttress the huge glaciers that feed them.

But it is not really significant yet — it is not yet influencing the stability of the ice shelves outside the Peninsula region — eric]

In fact, Antarctic ice shelves appear crucial to the stability of their tributary glaciers [8], and melting ice shelves could have catastrophic consequences for many glaciers.

Last year, an influential publication showed that Antarctica's contribution to rising sea levels depends largely on the stability of these melting ice shelves.

However, the ice shelves around Antarctica are extremely important for ice sheet stability, because they hold back the land ice.

Ice shelves are important, because they play a role in the stability of the Antarctic Ice Sheet and the ice sheet's mass balance, and are important for ocean stratification and bottom water formation; this helps drive the world's thermohaline circulatiIce shelves are important, because they play a role in the stability of the Antarctic Ice Sheet and the ice sheet's mass balance, and are important for ocean stratification and bottom water formation; this helps drive the world's thermohaline circulatiIce Sheet and the ice sheet's mass balance, and are important for ocean stratification and bottom water formation; this helps drive the world's thermohaline circulatiice sheet's mass balance, and are important for ocean stratification and bottom water formation; this helps drive the world's thermohaline circulation.

Breakup of the Larsen B Ice Shelf triggered by chain reaction drainage of supraglacial lakes (pages 5872 — 5876) Alison F. Banwell, Douglas R. MacAyeal and Olga V. Sergienko Article first published online: 27 NOV 2013 DOI: 10.1002 / 2013GL057694 Key Points Larsen B Ice Shelf rapidly broke ‐ up by chain ‐ reaction drainage of surface lakes Lake ‐ induced stress set fracture spacing small enough for capsize ‐ driven breakup Lake interaction by flexural stress defines an ice ‐ shelf stability tipping point (http://onlinelibrary.wiley.com/doi/10.1002/2013GL057694/abstraIce Shelf triggered by chain reaction drainage of supraglacial lakes (pages 5872 — 5876) Alison F. Banwell, Douglas R. MacAyeal and Olga V. Sergienko Article first published online: 27 NOV 2013 DOI: 10.1002 / 2013GL057694 Key Points Larsen B Ice Shelf rapidly broke ‐ up by chain ‐ reaction drainage of surface lakes Lake ‐ induced stress set fracture spacing small enough for capsize ‐ driven breakup Lake interaction by flexural stress defines an ice ‐ shelf stability tipping point (http://onlinelibrary.wiley.com/doi/10.1002/2013GL057694/abstraIce Shelf rapidly broke ‐ up by chain ‐ reaction drainage of surface lakes Lake ‐ induced stress set fracture spacing small enough for capsize ‐ driven breakup Lake interaction by flexural stress defines an ice ‐ shelf stability tipping point (http://onlinelibrary.wiley.com/doi/10.1002/2013GL057694/abstraice ‐ shelf stability tipping point (http://onlinelibrary.wiley.com/doi/10.1002/2013GL057694/abstract)

states, in part, «Thus, in the foreseeable future, sea - level rise should not threaten the ice sheet's stability [for Whillans Ice Stream out to the Ross ice shelf].&raqice sheet's stability [for Whillans Ice Stream out to the Ross ice shelf].&raqIce Stream out to the Ross ice shelf].&raqice shelf].»

Also, the stability of the ice shelves is doubtful and without them the ice sheet would probably flow much more rapidly into the sea, finding a new equilibrium after losing a great deal of mass.

The resulting weaker density stratification allowed more vertical mixing of the water column during storms in late September and early October, leading to the observed warming of the near - bottom layer in the still ice - free Laptev Sea... Warmer water temperatures near the seabed may also impact the stability of the shelf's submarine permafrost.»

In the case of the East Antarctica Ice - Sheet (EAIS), the situation has been less clear: thinning of ice shelves and acceleration of glaciers have been described in some areas but it has to date given an impression of relative stabiliIce - Sheet (EAIS), the situation has been less clear: thinning of ice shelves and acceleration of glaciers have been described in some areas but it has to date given an impression of relative stabiliice shelves and acceleration of glaciers have been described in some areas but it has to date given an impression of relative stability.

These channels, however, are blocked by ice shelves, which act like a cork, keeping back the ice and helping to maintain the stability of the glaciers.

Together, the glacier and ice shelf form a stable system, but this system can lose its stability in response to warmer temperatures.

She suggests that future shelf stability studies should consider the role of the ocean's influence, like the effects of warm water pulses flowing under the Cosgrove Ice Shelf.

Loss of so large a section of ice from Larsen C threatens the entire ice shelf's stability.

Jonathan Kingslake, an assistant professor at Columbia University's Lamont - Doherty Earth Observatory, also raised concerns about the stability of the ice shelf and other Antarctic ice shelves amid changes underway in the region.

Trusel's study is the first to comprehensively study the sensitivity of warming air temperature on the stability of ice shelves in Antarctica, which are the floating extensions of glaciers and act to constrain the glaciers» speed.

«This event will fundamentally change the landscape of the Antarctic Peninsula,» scientists involved in Project Midas, which studies the impact of melting on ice shelf dynamics and stability, wrote on its website.

Analysis of various ice - shelf configurations reveals characteristic patterns in the strain rates near the ice front which we use to describe the stability of the ice shelf.

Our climate model exposes amplifying feedbacks in the Southern Ocean that slow Antarctic bottom water formation and increase ocean temperature near ice shelf grounding lines, while cooling the surface ocean and increasing sea ice cover and water column stability.

Ice shelves are perhaps the most important part of the Antarctic ice sheet for its overall stabiliIce shelves are perhaps the most important part of the Antarctic ice sheet for its overall stabiliice sheet for its overall stability.

Ice shelves maintain the stability of the ice on the continent: a huge ice shelf slows glacial flow from the highlands and effectively constrains the flow of meltwatIce shelves maintain the stability of the ice on the continent: a huge ice shelf slows glacial flow from the highlands and effectively constrains the flow of meltwatice on the continent: a huge ice shelf slows glacial flow from the highlands and effectively constrains the flow of meltwatice shelf slows glacial flow from the highlands and effectively constrains the flow of meltwater.