composed primarily of sea water marine current EcoLexicon:marine_current A water current which is maintained by a continuous, directed movement of marine water, generated by forces caused by breaking waves, wind, Coriolis force, temperature and salinity differences, and tides caused by the gravitational pull of astronomical bodies. Depth contours, shoreline configurations and interaction with other currents influence a current's direction and strength. 2010-03-16T12:16:11Z envoPolar ORCID:0000-0002-4366-3088 water current