Upstream 04


Upstream 04 : Along coasts with obliquely approaching waves there is a longshore (wave-driven) current. For this current one can define an upstream and a Downstream direction. For example, on a beach with an orientation west-east with the sea to the north, the waves come from NW. Then the current flows from West to East. Here, upstream is West of the observer, and East is Downstream of the observer
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