Warming's most obvious oceanic effect is the opening of the fabled Northwest passage for the first time in recorded history.
全球变暖对海洋最大的影响就是有史以来第一次打开了传说中西北部的通道。
2
Global warming is opening summer sea lanes through the ice, along the north-west passage sought by Martin Frobisher and the North-East one sought by Hugh Willoughby.
沿着马丁·弗罗比舍发现的西北通道和休·威洛比探索的东北通道，全球变暖正在为北冰洋开辟夏季海上通道。
3
Then as a result of the decreasing ice cover which means the North-West Passage is opening up it kept on going before heading south into the Atlantic.