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QWhat is a possible explanation for the lack of significant change in sea ice extent around Antarctica since 1978?

ID: #12721 Antarctica 135 views
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#12721Q ID
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  • A Cooling of the Southern Ocean surface waters ✔ ✖
  • B Increased snowfall on the ice sheet ✔ ✖
  • C Melting of the Antarctic ice sheet ✔ ✖
  • D Changes in atmospheric circulation patterns ✔ ✖
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A possible explanation for the lack of significant change in sea ice extent around Antarctica since 1978 is that thermohaline circulation transports warmed water to deeper layers in the Southern Ocean so that the surface remains relatively cool.

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