Bathymetrical a. : Pertaining to bathymetry; relating to the measurement of depths, especially of depths in the sea.

Example:


Taxonomy
measurements, bathymetry data, measure, soundings, surveys, seafloor topography, free encyclopedia, depths, map, beams, bathymetric, bathymetric maps, remote sensing, LADAR, sounder, single-beam, MBES, sensors.

Defination from the web:
Bathymetric (or hydrographic) charts are typically produced to support safety of surface or sub-surface navigation, and usually show seafloor ... Bathymetric maps (a more general term where navigational safety is not a concern) may also use a Digital Terrain Model and artificial ...