A new study published in Geophysical Research Letters, highlights the vulnerability of low-lying populations throughout
the tropics, including western Australia, Hawaii and the islands of the South Pacific.
'We are successful in defining the patterns, known as sea level fingerprints, which affect sea levels,'
says Professor Giorgio Spada of Italy's University of Urbino, who led the study.
'This is paramount for assessing the risk due to inundation in low-lying, densely populated areas.'
It has long been known that sea levels change by different amounts in different places.
Threat from rising sea levels - Pacific archipelago of Kiribati. Photo: Reuters
But this research is the first to detail what those changes will look like as the oceans react to our changing climate.
The team, including two researchers from the Bristol University's glaciology centre, used computer models to
investigate three key influences over the global pattern of sea-level rise.
At the end of the last ice age 10,000 years ago, billions of tonnes of ice melted from Earth's polar regions,
lifting an enormous weight from the rocks beneath. The Earth's surface has been slowly rebounding ever since,
causing some regions to emerge from
the sea while others subside.
The sheer mass of the remaining ice sheets gives them a strong gravitational pull, sucking in the seas around them
like a giant plunger. As those ice sheets melt, the plunger will be released and the water redistributed around the globe.
As the oceans warm, they will also expand. Complex weather and climate patterns will mean that some areas will warm
and expand more than others.
'The most vulnerable areas are those where the effects combine to give sea-level rise that is significantly higher
than the global average,' says Spada.
'The total rise in some areas of the equatorial oceans worst affected by the terrestrial ice melting could be 60
centimetres if a mid-range sea-level rise is projected, and the warming of the oceans is also taken into account.'
Rising sea levels are threatening the very existence of
countries like Nauru, a remote, eight-square-mile Pacific island near
the equator. Photo credit: Arm Climate Research Facility
For Europe, it means that sea levels will continue to rise, but by slightly less than the global average.
According to the 2007 Intergovernmental Panel on Climate Change (IPCC) report, the effect of melting ice was the
largest remaining source of uncertainty in predicting sea-level rise.
This work was part of the ice2sea project, led by the British Antarctic Survey's Professor David Vaughan, which is
attempting to address that uncertainty.
'In the last couple of years, programmes like ice2sea have made great strides in predicting global average sea-level
rise,' says Vaughan.
'The urgent job now is to understand how global sea-level rise will be shared out around the world's coastlines.'
'Only by doing this can we really help people understand the risks and prepare for the future.'
Tractor Beams Of Light -
No Longer Pure Science Fiction!
Science fiction meets real science! "Tractor beams" - fascinating invisible beams that can push and pull objects, leave science fiction domain.
The concept of "tractor beam" used in science fiction films and books to haul spaceships and capture floating capsules gains scientific attention.
They Produce Water From The Air!
An Amazing Invention For Those Who Really Need It!
"How can we help someone so powerful they can create water out of thin air?" an astonished Jabin yells in Star Trek's Caretaker.
If you are a Star Trek fan you will remember how the Kazons try to aquire technology that can create water our of thin air.
This technology is no longer in the realms of science fiction. Today we can really create water out of thin air!
Star Trek Tricorder - Now Available Online For Anyone To Build!
Imagine you can see what cannot be seen. Wouldn't you want to actually be able to see beyond the visible?
The good news is that from now on it will be possible to see things we have previously only dreamt of.
We certainly live in exciting times. More and more devices that have long been considered pure science
fiction are now quickly becoming reality.
Do We Live In A Computer Simulation
Created By An Advanced Alien Civilization?
The captivating idea that we might be living in 3 dimensional holographic simulation has been put forward by various scientists.
We will explore this mind-boggling idea further and examine some intriguing questions.
If we suspect that we are programmed beings living inside a simulation is there any way for us to find out if this is true?
Is it possible to change the outcome of this virtual game?
Who could have created this matrix and for what reason?
Biometrics: Eye-Scanners Can Be Fooled
Iris scanning technologies allow people to use their eyes to prove their identify. S
canning your iris has been considered a very good security tool, but now it turns out it is actually possible to fool eye-scanners!
European Physicists Break Quantum Teleportation Record!
Teleportation experiments represent a crucial step toward future quantum networks in space, which require space
to ground quantum communication.
A few weeks ago, the Chinese physicists achieved a great progress by teleporting more than 1100 photons over a
distance of 97 kilometres in only four hours, but the teleportation competition still continues...
Levitating Ball Defies Gravity -
Incredible Technology Of The Future
Acccording to recent survey, a huge active fault was found under Mount Fuji, standing at 3,776 meters (12,385 feet) above sea level.
The dangerous fault can trigger a magnitude-7 earthquake, close to a volcano, changing the shape of the mountain and destroying nearby communities...
Artificial Intelligence: Super-Turing Machine Imitates Human Brain
As computer scientists this year celebrate the 100th anniversary of the birth of the mathematical genius Alan Turing, who set out the basis for digital computing
in the 1930s to anticipate the electronic age, they still quest after a machine as adaptable and intelligent as the human brain.