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The loss of the ice sheet is not inevitable because surface melting has long time scales and it might re-grow to its original volume or some fraction thereof if global temperatures decline. However, a significant decay of the ice sheet may be irreversible on millennial time scales. In the 21st century surface melting is projected to remain small on the Antarctic ice sheet, while we have medium confidence that snowfall will increase.
Antarctica is melting, not growing. In fact the ice mass is dropping at an accelerating rate due to multiple factors including accelerated glacial ice calving rates. The loss of sea based ice allows the Antarctic ice to move faster towards the ocean resulting in an increased rate of loss of the Antarctic ice.
Well I wouldn't characterize poet1b's post as making things up. A bit of hyperbole about the sea level rise acceleration perhaps, but not just making things up. Poetic license maybe? Anyway, it is beyond question that if the Greenland melt accelerates, the sea rise rate will accelerate because of it. Six times is probably in the wrong ballpark, but still...
Simply put, regardless of how much you or anyone else wants it to be true, regardless of how desperately you or anyone else dreams about or writes about or prays about some miraculous form of energy appearing to suddenly remove our dependence on oil, it just isn't going to happen that way.
The six-fold acceleration of sea level rise in the last decade was reported in what is claimed to be a leak from the IPCC.
well scientific knowledge also means look at all the numbers, not just cherry picking what you want to believe
andy06shake
Global warming, im more worried about Global cooling. Compare the Arctic ice sheet from 2012 to now in Sep 2013 and I think it may surprise you.
I have provided other sources that confirm what was stated in the Op linked article, which you have failed to address.
Greenland's contribution to rising sea levels “very likely” rose to an average of 0.59 millimeters a year from 2002 to 2011, from 0.09 millimeters a year in the prior decade, according to the draft.
For context, the AR4’s assessment was 0.21 ± 0.07 mm yr–1 for Greenland and 0.21 ± 0.35
mm yr for Antarctica, over the period 1993–2003.
It concludes that there is high confidence that this higher rate, which is also seen
25 in tide gauge data over the same period, is real but does not necessarily reflect a recent acceleration,
26 considering the previously reported multi-decadal oscillations of the mean sea level.
It is virtually certain that globally averaged sea level has risen at a mean rate between 1.4 and 2.0 mm yr–1 over the 20th Century and between 2.7 and 3.7 mm yr–1 since 1993 (both ranges 99% confidence).
First, your link titled "Stop green Suicide has such a sophomoric name, it will never be taken seriously,
bbc.co.uk
But those involved with the IPCC say that even now, just a month away from publication, you would be "foolish in the extreme" to take this latest leak as conclusive.
"It is guaranteed it will change," said Jonathan Lynn, spokesman for the IPCC. "In September, the scientists will go through the 15-page summary for policymakers, line by line."
Try reading comprehension before you reply to a point no one has made. What was discussed was poet's claim of a accelerated warming rate in the last 3-4 decades. How fast is the planet warming, not if it is warming in general. Has the average rate of warming increased over a statistical significant period. It has not.
poet1b
reply to post by MamaJ
Care to provide some links to these studies on which you base your claim?
I have done a great deal of research on the matter, posted numerous links to back up my opinion.
You should do the same, if you have such studies to cite.