Sentences with phrase «current ice loss»

As a rough estimate, half of the current ice loss in West Antarctica is by melting where the glaciers meet the ocean, and half is by calving.

The Greenland Ice Sheet during the last glacial cycle: Current ice loss and contribution to sea - level rise from a palaeoclimatic perspective.

This movement is important for understanding current ice loss on the continent, and predicting future ice loss.»

«There are several published lines of evidence suggesting [the 1940s El Niño] could be the initial «bump» that started the current ice loss in this region.»

The team say their findings demonstrate the potential for current ice loss to continue for several decades yet.

Not exact matches

This gives confidence in the predictions of the current generation of ice - sheet models which are used to forecast future ice loss from Antarctica and resulting sea - level rise.»

Despite this effect, the known ice loss at both poles suggests that embedded in the local rises is a signal of current climate change — researchers just have to tease it out.

Velicogna and her colleagues also measured a dramatic loss of Greenland ice, as much as 38 cubic miles per year between 2002 and 2005 — even more troubling, given that an influx of fresh melt water into the salty North Atlantic could in theory shut off the system of ocean currents that keep Europe relatively warm.

Based on what we know, we can expect the rapid ice loss to continue for a long time yet, especially if ocean - driven melting of the ice shelf in front of Pine Island Glacier continues at current rates,»

The basal melting due to subsurface warming represents an important component of the current ice mass loss,» Ezat points out.

Despite an especially warm winter, the current extent of sea ice does not represent a new record low; nevertheless, the amount of ice loss is massive.

While we are within this range, our current understanding of ice - mass loss is adequate.

The Peninsula is one of the largest current contributors to sea - level rise and this new finding will enable researchers to make better predictions of ice loss from this region.

Kuhn, from Germany's Alfred Wegener Institute, added, «This gives confidence in the predictions of the current generation of ice sheet models which are used to forecast future ice loss from Antarctica and resulting sea - level rise.»

and therefore to be able to make a stronger statement on how unique the current and apparently global warming related ice mass loss is» for Greenland, he says.

Our modelled values are consistent with current rates of Antarctic ice loss and sea - level rise, and imply that accelerated mass loss from marine - based portions of Antarctic ice sheets may ensue when an increase in global mean air temperature of only 1.4 - 2.0 deg.

Emissions reductions should increase significantly compared to current mitigation scenarios that do not include Arctic sea - ice loss.

Nevertheless, some caution is in order in interpreting this to mean that current rates of rapid ice loss from West Antarctica represent a long term trend.

If you were to take the current rate of ice loss as a starting point, and assume a constant rate of acceleration, then by the end of the century, the annual loss rate would need to reach nearly 6,200 km ³ / yr, or nearly 23 times the current rate, to result in a cumulative 10 % loss.

For Greenland to lose 285,000 km ³ of ice in 89 years, the AVERAGE rate of loss would have to be more than 3,200 km ³ / yr, or nearly 12 times faster than the current loss rate (273 km ³ / yr).

If the NAO were driving an ocean current that contains higher SST's and more saline surface water into the Arctic region, I suspect it would be a possible correlation that salinity may be playing a part in the Arctic ice loss.

The report comes to no conclusion about how sensitive the bears are to the current loss of the sea ice that they live on, and the evolutionary tale it presents can be read in different ways.

A question if I may... I am not surprised by the current Arctic ice melt, but I am at a loss by the faster melt north of Canada as opposed to the slower melt north of Siberia.

So how much do changes in the Arctic atmosphere play a role in the loss of sea - ice volume and the apparent failure of the GCMs to reflect the current volume loss?

The Norwegian Current is mainly responsable for the loss of Arctic ice in the Barentz Sea.

Thus, even though models are thought to not lose ice fast enough, every one of the old CCSM3 runs had a «RILE» (rapid ice loss event) at some point in the 21st century that beat the current streak.

It's clear to a range of scientists that the enormous loss of old, thick ice carried on currents from the Arctic out past Greenland into the Atlantic Ocean in recent years is a major factor that has led to sharp summer melting.

TagsAntarctica, antarctic ice sheet, climate change, climate, sea level rise, rising sea levels, sea level, global sea level rise, Sea Levels, ice melt, Melting Ice, ice loss, Ice Extent, sea ice extent, ice, warming ocean, ocean curreice sheet, climate change, climate, sea level rise, rising sea levels, sea level, global sea level rise, Sea Levels, ice melt, Melting Ice, ice loss, Ice Extent, sea ice extent, ice, warming ocean, ocean curreice melt, Melting Ice, ice loss, Ice Extent, sea ice extent, ice, warming ocean, ocean curreIce, ice loss, Ice Extent, sea ice extent, ice, warming ocean, ocean curreice loss, Ice Extent, sea ice extent, ice, warming ocean, ocean curreIce Extent, sea ice extent, ice, warming ocean, ocean curreice extent, ice, warming ocean, ocean curreice, warming ocean, ocean currents

In case of achieving the 450 Scenario, that for instance requires all industrialised nations to reduce their GHG emissions by 25 - 40 percent between 1990 and 2020, Arctic summer sea ice would recover from around 2035 - quite sharply - and establish a new equilibrium state at around 2.5 million square kilometres of ice, still a loss of almost 2 million compared to the current situation.

Though you might assume that warming temperatures due to climate change are causing this massive ice loss, it's actually ocean currents that are the culprit.

SLR by 2100 is more likely to come from ice mass loss from West Antarctica (WAIS) where warm ocean currents are already melting ice at glacier mouths and attacking areas of the WAIS resting on the seabed.

The International Conservation Union, in its latest red list of endangered wildlife, gave polar bears threatened status in May, projecting a decline of 30 percent by midcentury from current populations, mainly due to projected losses of sea ice in a warming world.

Yearly sea level rice for the current estimated ice loss from the Greenland ice cap is 0,0005 m / year.

Sorry — there is a fairly basic approximate volume calculation and a broad estimate of current ice sheet (not glacier) losses.

In other words — at the estimated current rate of ice loss from the Greenland ice cap it would take 14 000 years for the ice sheet to melt.

Polyak et al. (2010) looked at Arctic sea ice changes throughout geologic history and noted that the current rate of loss appears to be more rapid than natural variability can account for in the historical record.

Since current ice melt data could indicate variable climate trends and aren't necessarily part of an accelerating trend, the study warned that predictions of future sea - level rise should not be based on measurements of glacial loss» Daily Mail.

- What percentage of Arctic sea ice loss / ice volume loss is attributable to warm currents entering, apparently for the first time, a decade or so ago into the Arctic?

Although Antarctica contains 14 times more ice than Greenland, Greenland has lost between 2 and 5 times more ice than Antarctica.33, 34 Based on changes in gravity, most areas of Antarctica have slightly gained ice designated by greenish tones.24 However where warm waters and winds of the Circumpolar current approach the Peninsula, there has been moderate ice loss designated by bluish tones.

A new study on ice loss in Antarctica by the British Antarctic Survey confirms what we already know about the effects of global warming but it differentiates between the effects of ocean currents, their cause and the air temperature effects at the ice surface.

The Fram strait ice loss, storms, volcanoes (mostly Icelandic), GHG, North Atlantic climate cycles, current patterns etc. all affect sea ice

This grim fact is even bleaker if the international community concludes that it should limit warming to 1.5 degrees C, a conclusion that might become more obvious if current levels of warming start to make positive feedbacks visible in the next few years such as methane leakage from frozen tundra or more rapid loss of arctic ice.

For Antarctica as a whole, the study found the current rate of ice sheet mass loss to be about 160 billion metric tons of ice per year.

«The current rate of sea ice loss, and the reduced thickness of large areas of the ice remaining, suggests that we may see yet another record minimum in summer sea ice extent this year.»

Current events surrounding increased oceanic heat around ice sheet margins in Antarctic are expected to play a dynamical role in marine terminating glacial ice loss acceleration there as well.

Loss of glacial volume in Alaska and neighboring British Columbia, Canada, currently contributes 20 % to 30 % as much surplus freshwater to the oceans as does the Greenland Ice Sheet — about 40 to 70 gigatons per year, 66,78,63,57,64,58 comparable to 10 % of the annual discharge of the Mississippi River.79 Glaciers continue to respond to climate warming for years to decades after warming ceases, so ice loss is expected to continue, even if air temperatures were to remain at current levLoss of glacial volume in Alaska and neighboring British Columbia, Canada, currently contributes 20 % to 30 % as much surplus freshwater to the oceans as does the Greenland Ice Sheet — about 40 to 70 gigatons per year, 66,78,63,57,64,58 comparable to 10 % of the annual discharge of the Mississippi River.79 Glaciers continue to respond to climate warming for years to decades after warming ceases, so ice loss is expected to continue, even if air temperatures were to remain at current leveIce Sheet — about 40 to 70 gigatons per year, 66,78,63,57,64,58 comparable to 10 % of the annual discharge of the Mississippi River.79 Glaciers continue to respond to climate warming for years to decades after warming ceases, so ice loss is expected to continue, even if air temperatures were to remain at current leveice loss is expected to continue, even if air temperatures were to remain at current levloss is expected to continue, even if air temperatures were to remain at current levels.

Summer meteorological current conditions and projections this summer (see Figures 9 - 11) do not favor extreme mid to late summer sea ice loss in 2016, as occurred in 2007 and 2012, despite low sea ice extents at the beginning of summer.

This report discusses our current understanding of the mechanisms that link declines in Arctic sea ice cover, loss of high - latitude snow cover, changes in Arctic - region energy fluxes, atmospheric circulation patterns, and the occurrence of extreme weather events; possible implications of more severe loss of summer Arctic sea ice upon weather patterns at lower latitudes; major gaps in our understanding, and observational and / or modeling efforts that are needed to fill those gaps; and current opportunities and limitations for using Arctic sea ice predictions to assess the risk of temperature / precipitation anomalies and extreme weather events over northern continents.

Consider this idea from Ladakh, an ice stupa engineered where loss of glacial water at the right time of year is occurring & current engineering of them; 4:47; https://www.youtube.com/watch?v=pelOBMX0Qyo

That has been used to make MWP - like claims about sea ice: «sea ice has been lower in the past; therefore there is nothing remarkable about current sea ice loss.»