Say goodbye
to Tuvalu, because, according to climate scientists, the raising sea
levels cannot be stopped over the next several hundred years, even if
we made drastic cuts to emissions today:
... even if the most ambitious emissions cuts are made, it might
not be enough to stop sea levels rising due to the thermal expansion
of sea water, said scientists at the United States' National Centre
for Atmospheric Research, U.S. research organisation Climate Central
and Centre for Australian Weather and Climate Research in Melbourne.
"Even with aggressive mitigation measures that limit global
warming to less than 2 degrees above pre-industrial values by 2100,
and with decreases of global temperature in the 22nd and 23rd centuries
... sea level continues to rise after 2100," they said in the journal
Nature Climate Change.
This is because as warmer temperatures penetrate deep into the
sea, the water warms and expands as the heat mixes through different
ocean regions.
Even if global average temperatures fall and the surface layer
of the sea cools, heat would still be mixed down into the deeper layers
of the ocean, causing continued rises in sea levels.
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