Tag Archives: icebergs

Ocean Circulation May Have Released CO2 at End of Ice Ages

At the end of each ice age, the ocean exhales carbon dioxide. Scientists believe this explains the difference in atmospheric CO2 concentrations between ice ages, which have lower concentrations of carbon dioxide, and warmer, more CO2-saturated periods like the one … Continue reading

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Antarctic sea-ice expansion

Changes in sea ice significantly modulate climate change because of its high reflective and strong insulating nature. In contrast to Arctic sea ice, sea ice surrounding Antarctica has expanded1, with record extent2 in 2010. This ice expansion has previously been … Continue reading

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