The theory posited that this meltwater flooded into the North Atlantic, lowering the salinity and intensity of surface waters enough to prevent them from sinking.

该理论假设，这些融水涌入北大西洋，降低了地表水的盐度和强度，足以防止它们下沉。

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These have a cooling effect on the climate, and removing this effect will increase the sea surface temperature in the North Atlantic relative to the South Atlantic.

这些二氧化硫对气候具有致冷效应，清除这种效应将使北大西洋相对于南大西洋的海洋表面温度增加。

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In the southeast Atlantic Ocean, strong ocean currents carry nutrient-rich deep-ocean water to the surface.

在大西洋东南，强大的洋流将营养丰富的深海海水带到水面。

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Although the details are not well understood, it seems likely that, in response to tectonic pressures originating in the Atlantic (where the surface of the Earth is being pulled apart), those softer rocks on either side are disturbed.

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But by the Berkeley team's analysis, the global temperature correlates more closely with the state of the Atlantic Multidecadal Oscillation (AMO) index - a measure of sea surface temperature in the north Atlantic.

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Bathtub conditions at the surface of the Atlantic Ocean gave him his answer.

CNN: graphic