Here’s a collection of stories about impending sea level rises:
From 27 Jan 06:
Sea level rise ‘is accelerating’
Global sea levels could rise by about 30cm during this century if current trends continue, a study warns.Australian researchers found that sea levels rose by 19.5cm between 1870 and 2004, with accelerated rates in the final 50 years of that period.
The research, published in the journal Geophysical Research Letters, used data from tide gauges around the world.
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From 23 Mar 06:
Sea rise could be ‘catastrophic’
Earth could be headed for catastrophic sea level rise in the next few centuries if greenhouse gases continue to rise at present rates, experts say.
A study in the US journal Science suggests a threshold triggering a rise in sea level of several metres could be reached before the end of the century.
Scientists used an ancient period of warming to predict future changes.
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From 14 Dec 06:
Sea level rise ‘under-estimated’
Current sea level rise projections could be under-estimating the impact of human-induced climate change on the world’s oceans, scientists suggest.
By plotting global mean surface temperatures against sea level rise, the team found that levels could rise by 59% more than current forecasts.
The researchers say the possibility of greater increases needs be taken into account when planning coastal defences.
The findings have been published in the online edition of the journal Science.
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From 17 Dec 07:
Rising seas ‘to beat predictions’
The world’s sea levels could rise twice as high this century as UN climate scientists have previously predicted, according to a study.
The Intergovernmental Panel on Climate Change proposes a maximum sea level rise of 81cm (32in) this century.
But in the journal Nature Geoscience, researchers say the true maximum could be about twice that: 163cm (64in).
They looked at what happened more than 100,000 years ago – the last time Earth was this warm.
The results join other studies showing that current sea level projections may be very conservative.
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