“海洋生态系统是由多种资源孕育而非单一依靠冰川，”胡德说，“例如，洋面上升是一种自然循环现象，富含养分的冷水从海底升起，滋养了海面的生物。 但是，由于冰川的融化而导致大量淡水突如其来涌入海洋，这可能会破坏洋流的正常循环。”
But a sudden influx of fresh water from melting ice could also disrupt the ocean currents that drive upwelling.
目前机理还未完全弄清楚的上升的洋流，自一月份开始，已经使超过一千只鸟儿登陆巴西——远远超过平常。
Ocean-circulation shifts, which aren't well understood, have landed more than a thousand birds in Brazil since January--many more than usual.
厄尔尼诺现象发生时，太平洋的洋流将温暖的海水带到海洋表面，导致气温上升，进而导致亚洲及环太平洋地区天气状况发生变化。
During El Nino, currents in the Pacific Ocean bring warm water to the surface and heat up the air. As a result, weather patterns across much of Asia and other regions around the Pacific have shifted.
海平面的上升应该归因于两个主要原因： 暖流扩张：洋流和海面气压的变化将因为区域不同而不同。
The rise in sea level would be unevenly distributed for two main reasons. Thermal expansion: changes in ocean currents and surface air pressure will vary from region.
海平面的上升应该归因于两个主要原因： 暖流扩张：洋流和海面气压的变化将因为区域不同而不同。
The rise in sea level would be unevenly distributed for two main reasons. Thermal expansion: changes in ocean currents and surface air pressure will vary from region.
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