having to do with the description and study of bodies of water (seas, lakes, rivers): as in surveying and charting; measuring flow, currents, and tides; and sounding (measuring depth)

Referring to study of water features (oceans, lakes, rivers), including physical characteristics ( oceanography, limnology) and elements affecting safe navigation.

Of or relating to hydrography.

Relating to the science of hydrography which is the scientific description and analysis of the physical conditions, boundaries, flow, and related characteristics of the earth's surface waters.

Referring to the arrangement and movement of bodies of water, such as currents and water masses.

Pertaining to ground or surface water.