The cooling would be down to cyclical changes to ocean currents and temperatures in the North Atlantic, a feature known as the North Atlantic Oscillation (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。
Photo Gallery: Plate Tectonics an eelpout fish swims near tube worms at the Mid-Atlantic Ridge in the Atlantic Ocean.
板块构造图片美术馆。一条粘鱼类游近管蠕虫在中大西洋山脊在大西洋。
Iceland is a European island country in the North Atlantic Ocean on the Mid-Atlantic Ridge.
冰岛是北大西洋上的大西洋中脊一个欧洲岛国。
Iceland is a European island country in the North Atlantic Ocean on the Mid-Atlantic Ridge.
冰岛是北大西洋上的大西洋中脊一个欧洲岛国。
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