But a sudden influx of fresh water from melting ice could also disrupt the ocean currents that drive upwelling.
“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。”
Argument exists over whether slowdowns are primarily wind-driven, or could be caused by an influx of fresh water from melting ice sheets.
围绕着环流的减速主要是由风力造成的，还是由冰盖融化后大量淡水的涌入引起的，出现了两种不同的观点。
The hydrodynamic head is provided by influx of fresh water from the interior of tropical Jamaica.
水压头是由处于热带的牙买加内地流入的淡水提供的。
The hydrodynamic head is provided by influx of fresh water from the interior of tropical Jamaica.
水压头是由处于热带的牙买加内地流入的淡水提供的。
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