This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Ekman spirale. Ekman spirale svg ocean currents changing directions at an angle to the surface winds because of coriolis effect see en Ekman spiral Vernderung der Strmungsrichtung Aufgrund der Corioliskraft German uploaded by Timer Timer PD de User Timer Ekman spiral