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七十年代以来,有关沿岸上升流及沿岸流的研究受到了人们异乎寻常的重视。除其本身的理论意义之外,这主要还是因为世界上的鱼有一半是在面积仅占世界海洋总面积千分之一的沿岸上升流区捕获的缘故(Ryther,1969)。由于广泛的海上调查,世界上新发现的上升流区愈来愈多。上升流已不再是东部边界流独具的特征了,在西部边界也发现了不少上升流区。
Since the 1970s, the research on the upwelling and coastal flow along the coast has received extraordinary attention. In addition to its own theoretical significance, this is mainly due to the fact that half of the world’s fish catch in the upwelling area of the coast, which occupies only one in 1000 of the world’s oceans (Ryther, 1969). Due to the extensive maritime survey, there are more and more newly discovered upwelling areas in the world. Upwelling is no longer a unique feature of the eastern border flow, and many upwelling areas are also found on the western border.