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Hydrography vs Hydrograph - What's the difference?

hydrography | hydrograph |

As nouns the difference between hydrography and hydrograph

is that hydrography is (nautical) the scientific measurement and description of the physical features and conditions of navigable waters and the shoreline while hydrograph is a graph of flow past a point in a river versus time.

hydrography

English

(wikipedia hydrography)

Noun

  • (nautical) The scientific measurement and description of the physical features and conditions of navigable waters and the shoreline.

    • hydrograph

    English

    (wikipedia hydrograph)

    Noun

    (en noun)
  • A graph of flow past a point in a river versus time.
  • A graph of water table versus time.
  • * 1962 , Arthur John Zeizel, Ground-water resources of Du Page County, Illinois
    • A comparison of Silurian dolomite aquifer water-level hydrographs and pumpage graphs indicates that in general water-level decline is directly proportional to pumpage and suggests that recharge balances discharge.