Embodiments presented provide for a method for locating or placing fiber optic cable on a sea floor. The placement of the fiber optic cable may be performed in a transition zone that typically causes errors in conventional placement technologies.

Method, system, and non-transitory computer readable storage medium are provided for creating a shelf bathymetric map. In some embodiments, a satellite image with a shelf area and related altimeter data for at least a number of points of the shelf area are...

The invention relates to an improved method for determining the nautical depth of a water mass such as a water channel. The method characterized in that a measuring body is immersed in the fluid mass to a determined depth; the depth position of the measuri...

A computerized system (200) for obtaining information regarding a waterway is described. The system (200) comprises an input means (210) for receiving accelerometer data from an accelerometer (110) of a free fall object (100) and a processing means (220) b...

The gauge (1) has a capillary tube of triangular section that is arranged against a background opposite to an observation surface and visible by transparency from the observation surface. A tubular section is filled with water and a reflection surface is v...

A quayside scour measurement procedure measures the sink depth in a sediment bottom (S) of a vertically moving sinker at points close to the quay (Q) construction with maximum and instantaneous scour (K) measured using sinkers of appropriate densities (12)...