Hydrograph

Pronunciation: /ˈhaɪˌdɹoʊˈɡɹæf/

Hydrograph (noun)

  1. A chart that shows water depth and the shape of the sea or lake floor in a certain area.
  2. A graph that records how a river’s water level or flow changes over time.

Examples

  • The hydrograph shows the water depth map clearly.
  • A hydrograph helps sailors understand the water depth map.