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Study casts doubt on rate of Antarctic sea ice growth
Study casts doubt on rate of Antarctic sea ice growth

A new study suggests that scientists must reexamine records that show increases in Antarctic sea ice since 1979. Researchers found that something changed in the way satellite data get converted into ice cover, but they can’t yet identify the exact nature of the change, or whether it fixed a problem or introduced one. They can say that their results show either Antarctic sea ice has not expanded as much as previously reported or it has been gaining ground for longer than scientists realized. The study was published this week in the journal The Cryosphere. The paradox of expanding Antarctic sea ice has troubled scientists for many years. Although climate models predict southern sea...

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