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Articles

1983: Vol. LX, No. 1

Note on Amphidromic Systems

Submitted
August 6, 2015
Published
2015-07-14

Abstract

Some simple theoretical relations are given for the water motion around amphidromic points in the sea. The relations are based on the local approximation of the sea surface as the superposition of two sloping plane surfaces each uniformly rotating around a vertical axis, one in anti-clockwise direction and the other in clockwise direction. The simple relationship between current velocities and elevations is only valid in co-oscillating tides. The theoretical relations were tested for a few actual situations, with satisfactory results.