The unusual cold might have been driven at least partly by the Arctic Oscillation (AO).
这不寻常寒冷的一部分原因可能由于是北极涛动(AO)。
Conroy's hypothesized link between dust levels and the Arctic Oscillation "probably warrants more investigation," Thompson says.
Thompson说，Conroy关于尘土量与北极震荡之间存在联系的假定“可能还需要更多准确的数理依据”。
Then, this past winter, there was a natural weather shift called the Arctic Oscillation, sort of a cold weather cousin to El Nino.
然后在上个冬季，出现了一种气候变化，就是所谓的“北极涛动”，和厄尔尼诺现象相关联的寒冷气候现象。
This past winter's negative phase of the Arctic Oscillation transported old ice (four, five, and more years old) from an area north of the Canadian Archipelago.
去年冬天北极这种负向振荡从加拿大群岛北部地区运来多年老海冰(四，五年或更多年的老海冰)。
An analysis of the relationships between the North Atlantic Oscillation(NAO), Arctic Oscillation(AO) and river runoff throughout Xinjiang region of China was presented.
分析了冬季北大西洋涛动（NAO）和北极涛动（AO）与新疆天山南北不同流域河川径流变化的关系。
Using the NCEP/NCAR reanalysis monthly data of SLP, the seasonal difference of Arctic Oscillation(AO) is studied with the emphasis on the temporal and spatial features of the summer AO.
运用NCEP/NCARSLP再分析月资料，分析研究了北极涛动的季节性差异，着重讨论了夏季北极涛动的时空特征。
Using the NCEP/NCAR reanalysis monthly data of SLP, the seasonal difference of Arctic Oscillation(AO) is studied with the emphasis on the temporal and spatial features of the summer AO.
运用NCEP/NCARSLP再分析月资料，分析研究了北极涛动的季节性差异，着重讨论了夏季北极涛动的时空特征。
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