Definition of cotidal line in English:
A line on a map connecting points at which a tidal level, especially high tide, occurs simultaneously.
- Apply oceanographic principles for the development of co-tidal lines and tidal zoning.
- Instead, as is shown on the map, most co-tidal lines lie at a marked angle to the longitudes and some are even perpendicular to them.
- Co-tidal lines run in the southwest direction in the southern coast of Korea.