The other thing we'll continue to keep watching is that German ship in the Antarctic Sea.

另一个让我们持续关注的事情是停留在南极海上的德国船只。

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But Notz is less optimistic about Antarctic sea ice, its undersides heated by eddying Southern Ocean currents.

但是对于南极的冰盖，诺茨并不那么乐观，因为其下层正受到南大洋旋流的加温。

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Since the start of satellite records in 1979, total Antarctic sea ice has increased by about 1% a decade, according to Nasa.

据NASA的消息，自从1979年卫星开始记录以来，十年内南极海冰总数已经增长约1%。

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Wintertime Antarctic sea ice has been increasing at a small rate and with substantial natural year-to-year variability.

FORBES: On Romney's 'Rising Oceans', Time To Get A Bigger Boat

But there are other plausible explanations for Antarctic sea-ice expansion.

BBC: Melt may explain Antarctica's sea ice expansion

Even if wintertime Antarctic sea ice were to increase or decrease significantly in the future, it would not have a huge impact on the climate system, according to the Center.

FORBES: On Romney's 'Rising Oceans', Time To Get A Bigger Boat