Sentences with phrase «irreversible melting of»

For example, the weakening of the THC under 1 degree of warming, a risk of collapse for 3 degrees, risk of irreversible melting of the Greenland Ice sheet at 2 degrees warming, sea level changes of 5 — 12 meters over several centuries, — these eventualities are debatable, and should certainly be viewed as the «adverse tail» of possible impacts.

A 550 world dramatically increases the likelihood of catastrophes and runaway climate change, such as an irreversible melting of the Greenland ice sheet resulting in sea - level rise of 7 metres.

But in Bamber's second calculation the relatively sophisticated energy balance model, which he believes better represents ice sheet behaviour, gave a threshold of 8 degrees for irreversible melting of Greenland - double the previously published threshold.

But in Bamber's second calculation the relatively sophisticated energy balance model, which he believes better represents ice sheet behaviour, gave a threshold of 8 degrees for irreversible melting of Greenland — double the previously published threshold.

The team stresses that even a little warming could cause irreversible melting of ice sheets and turn dense Amazon forests into dry savannah grassland.

Not exact matches

«Once the site transitions from net snowfall to net melt, it's only a matter of time before the wastes melt out; it becomes irreversible.»

Some of the melting that has already occurred is likely irreversible, and could take hundreds of years to reverse, Rignot said.

The United Nations scientific community is pointing to the overwhelming evidence that global warming, from increased greenhouse gas emissions, is propelling us towards an irreversible runaway melting of the ice caps and northern permafrost while rising temperature cause massive forest fires.

This ice sheet is losing mass at a rather larger rate (around 220 cubic kilometres per year) and it will take only another 1 - 2 oC world warming to raise the summer melt zone to the top of the Greenland ice pack after which point, in my understanding, the ice sheet will go into irreversible melt.

Many important questions of environmental policy, however, involve inescapably uncertain outcomes... How much global warming will it take to trigger the irreversible collapse and melting of the Greenland ice sheet?»

Reducing emissions of the short - lived climate forcers black carbon and tropospheric ozone — soot and smog — has been identified by scientists as the most effective strategy to slow Arctic warming and melting in the near term, forestalling potentially irreversible tipping points such as the melting, while the world works to reduce emissions of GHGs.

Irreversible: see Favier et al. (2014); Rignot et al. (2014); Joughin et al. (2014); quote: Justin Gillis and Kenneth Chang, «Scientists Warn of Rising Oceans From Polar Melt,» New York Times, May 12, 2014, p. 1.

Will we reach the point where the melting of the Greenland ice sheet is irreversible?

The melting of Greenland and the retreat of Antarctic ice sheets were proceeding faster than experts had expected and now looked irreversible.

Were the increase in average global temperatures held below 2 degrees Celsius (3.6 degrees Fahrenheit), then drastic climate change and long - term irreversible damage — like the melting of Greenland's glaciers — could still be avoided.

Can we reach the political tipping point that will enable us to cut carbon emissions before we reach the point where the melting of the Himalayan glaciers becomes irreversible?

At that level, the world risked initiating feedbacks in the climate system, such as the melting of ice sheet area, that could trigger irreversible warming out of humanity's control.

How such a warming would impact the probability of irreversible changes to elements of the climate system (melting ice sheets, reversal or slowing of ocean currents, release of carbon in permafrost) is unknown.

So scientists are keen to know at what temperature melting of the ice sheet is likely to become irreversible.

Posted in Glaciers Comments Off on Melting Antarctic Glacier in State of «Irreversible Retreat» Experts Say

Glaciologists have announced that a huge ice stream in western Antarctica, recognised as the largest single contributor of ice to the sea, has begun an accelerated and irreversible melt rate that could see it shedding 100 billion tonnes a year, equating to a global sea level rise of up to 10 mm in 20 years.

This could prevent catastrophic, irreversible tipping points such as the melting of Arctic sea ice and the Greenland ice sheet, and buy time for implementation of critical strategies to cut long - lived greenhouse gas emissions.

Greenland's ice melt is a key concern: If we reach a tipping point there, with a certain degree of warming, that could cause sea levels to rise and have irreversible impacts for the next millennium.

The IPCC approach, using highly damped deterministic global climate models, is incapable of producing abrupt climate change (beyond the melting of Arctic sea ice, which is not irreversible even on timescales of a decade).

Conservative estimates so far, projected irreversible melting in the course of a few centuries, depending on the temperature increase.

Say we need 20 years to get our sh*t together and reduce emissions, but we only have 10 before the tipping point (where ice melting becomes irreversible, for example), maybe it's worthwhile to pump out massive amounts of harmful junk, paint roofs white, whatever is possible, to avoid that tipping point.