A graph of flow past a point in a river versus time. / A graph of water table versus time.

A scientist whose speciality is hydrography.

Of or pertaining to hydrography.

plural of hydrographer

plural of hydrograph

hydrographic

By means of, or in terms of, hydrography.

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

plural of hydrography

plural of hydrographist