Abstract
A detailed study of wind‐generated currents at a station with rotary tidal currents, based on the analysis of four‐hourly observations during the years 1924–1933, was made at Amrum Bank Light vessel. The use of punch cards for the harmonic analysis of such bulky information is briefly explained. A ‘residual current at calms’ is defined and calculated to separate the wind‐generated current from that caused by other forces. The wind‐generated currents are calculated for winds of eight different directions. The influence of wind velocity and wind steadiness is investigated, and the functional relationship between wind and current is calculated. The water transport under various wind conditions is calculated, and finally charts are constructed which show the general current circulation in the German Bight of the North Sea at eight different wind situations.
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