Sentences with phrase «about ice sheet collapse»

Not exact matches

A few days later, back at her office whiteboard, she thought about the collapsed sheet of ice above each lake, full of giant fractures like the ones above Grimsvotn.
When scientists talk about the «collapse» of an ice sheet, they mean irreversible, rapidly increased rates of recession.
We believe that the standfirst of this piece, which states that the author «takes issue with some common misconceptions about how ice - sheets move, and doubts many pronouncements about the «collapse» of the planet's ice sheets» misleads the reader by assuming that Ollier's arguments are correct.
Geologic shoreline evidence has been interpreted as indicating a rapid sea level rise of a few meters late in the Eemian to a peak about 9 meters above present, suggesting the possibility that a critical stability threshold was crossed that caused polar ice sheet collapse [84]--[85], although there remains debate within the research community about this specific history and interpretation.
Among the benefits of paying the AGU associate membership even if you're not a climate scientist — prompt notice of new papers, some about climate, e.g. how do surface meltwater lakes contribute to ice sheet collapse.
Again about WAIS collapse Here at this mark 35 mins in R. Alley explains why Ice Sheet retreat is based on thresholds (local topography).
Until we have a shift in attitudes in the USA towards the precautionary approach, we will continue to bicker about whether this or that climate impact (be it frogs, salmon, hurricanes, ice sheet collapse, etc.) is REALLY due to climate change or not.
In Hansen, 2005, he talks about the use of the word «explosive» in relationship to ice sheet collapse.
Revelle (1983); similarly Thomas et al. (1979); Bentley (1980) saw a possible ice sheet collapse in the next 500 years; but Bentley (1982) said melting could take thousands of years; this was disputed by Hughes (1982); Hollin (1980) tried to demonstrate an East Antarctic ice sheet surge about 95,000 years ago; for predictions of meter - scale rises, see Jones and Henderson - Sellers (1990), pp. 10 - 11, 15; a skeptic: Van der Veen (1985); Van der Veen (1988).
Right, but there hasn't been an ice sheet collapse we're on the left hand case, not the right hand case, so the next time someone blathers on about intense storms and global warming, you set»em straight, ok?
When one couples the plausibility of underground heat causing instability in one region with the old newspaper articles about fears of ice sheet collapse from 100 years ago, at a minimum a reasonable person should wonder what has really been going on for many centuries.
Scientific Discipline Cryosphere Speaker Eric Rignot (NASA Jet Propulsion Laboratory) Abstract Modern views of ice sheets provided by satellites, airborne surveys, in situ data and paleoclimate records while transformative of glaciology have not fundamentally changed concerns about ice sheet stability and collapse that emerged in the 1970's.
What is significant about this paper is that GHG forcing that is supposedly causing exponential, run - away warming, collapse of the polar ice sheets, retreat of the worlds glaciers, etc since around 1960 is not visible at all in the sea level record.
Recent research has raised concerns about the possible collapse of the West Antarctic Ice Sheet and how this could double sea level rise projections for 2100.
Most of that ice is — for now — stable, but scientists are concerned that the massive West Antarctic Ice Sheet, which holds about 11 feet of potential sea level rise, has reached a tipping point and will collapice is — for now — stable, but scientists are concerned that the massive West Antarctic Ice Sheet, which holds about 11 feet of potential sea level rise, has reached a tipping point and will collapIce Sheet, which holds about 11 feet of potential sea level rise, has reached a tipping point and will collapse.
We will explain more on ice sheet collapse later, but prior to about 1900, we know sea level was stable for several thousand years.
Deep uncertainty persists about the likelihood of a rapid ice - sheet «collapse» contributing to a major acceleration of sea - level rise; for the coming century, the probability of such an event is generally considered to be low but not zero (e.g., Bamber and Aspinall, 2013).
«We're doing about the most we can do right now to study the possible collapse of the west ice sheet,» said Dr. Richard Cameron, NSF program manager for glaciology.
The two glaciers between them account for 12 % of the island's ice sheet, and if both collapsed into the sea and melted entirely, global sea levels would rise by about a metre.
Conclusion The best available climate - change science plainly tells us that «We don't * WE DO * have to worry about the genuinely dangerous scenarios (e.g. ice sheet collapse, AMOC collapse) on timescales of [more than] a century.»
This raises new concern about the overall stability of the West Antarctic Ice Sheet, the collapse of which would trigger another five to six metres [approximately 16 to 20 feet] of sea level rise.
See also: Antarctic Octopus Genes Contain Clues About Ancient Catastrophic Ice Sheet Collapse
Recently, the news about the climate crisis has included some hard things to read — like the announcement by scientists that the collapse of the West Antarctic ice sheet is now irreversible.
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