The cooling would be down to cyclical changes to ocean currents and temperatures in the NorthAtlantic, a feature known as the NorthAtlanticOscillation (NAO).
冷却将降至洋流和北大西洋温度的周期性波动,这是被称为北大西洋涛动现象(NAO)的特征。
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An analysis of the relationships between the NorthAtlanticOscillation(NAO), Arctic Oscillation(AO) and river runoff throughout Xinjiang region of China was presented.