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According to a scary new report from NASA, the oldest and thickest
Arctic sea ice is melting away at a more rapid rate than the thinner ice
at the edges of the Arctic ice cap.
In the study, which was led by Joey
Comiso, senior scientist at NASA Goddard Space Flight Center, Comiso
says:
“The average thickness of the Arctic sea ice cover is declining
because it is rapidly losing its thick component, the multi-year ice. At
the same time, the surface temperature in the Arctic is going up, which
results in a shorter ice-forming season,” Comiso said.
“It would take a
persistent cold spell for most multi-year sea ice and other ice types
to grow thick enough in the winter to survive the summer melt season and
reverse the trend.”
The team discovered that this perennial ice is disappearing at a rate
of -12.2% per decade, while its area is declining at a rate of -13.5%
per decade. The study was recently published in Journal of Climate.
4 comments:
The arctic ice caps are melting due to the speed of global warming. When the world temperature is getting warmer, soon the polar bears and penguins will go extinct.
We all must do our part to slow down the effects of global warming such as reducing gas emission, pollution and embracing green technology that does not cause the environment any harm.
The polar ice caps play an extremely important role in regulating the temperature of our planet. 80% of the sunlight that strikes the polar ice caps is reflected back out of our atmosphere.
any issues related to environment like this should be disseminated to the people around the world to bring awareness so that everyone will do their part to save our planet..
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