Geophysical Hydrography Positioning

Geophysical survey

About Geophysical survey

Stema Systems having combined the equipment for water column and sub-bottom analysis is in a position to offer a complete range of systems that will enable its clients to conduct comprehensive surveys of the entire maritime environment, from harbour slip monitoring to placement of wind turbine foundations.

We assist clients by supporting their sub bottom survey and processing the data.

Taking on projects that are commissioned by the most disconcerting clients Stema Systems offers the complete range of surveying equipment and on occasion can also provide the staff for the implementation of the various environmental monitoring projects that its clients are conducting.

Silas 3D is a complete  data acquisition, processing and interpretation system. Capable of mapping the Depth of Burial of objects […]

Geophysical survey support, geophysical processing & seismics that is Stema Geophysical survey support & processing. We have proven our added […]

R2Sonic 2024 Wideband Multibeam Echosounder
0.5 x 1.0 degree angular resolution, 100 m depth rating, 500m range multibeam, 160 deg swath width

Stema RheoTune for setting of the nautical depth doing so by measuring the yield stress, viscosity and density of the fluid mud. This enables portmanagers to save costs on dredging.

2023 Q2 New SILAS release V3.11.1.0

Dear Silas user, The Silas V3.11.1.0 release contains improved versions of both Silas Acquisition and Silas Processing. Stema has added […]

RheoTune for Three Gorges Dam

China Yangtze Three Gorges Project (TGP), as one of the biggest hydropower-complex project in the world, ranks as the key […]

Silas useful in pollution isolation project

The Kralingse Plas is situated near to Rotterdam, The Netherlands, town centre. The lake has an important recreational function. Nevertheless […]

Silas – EBP-10 tackles mud survey problem

Van Oord, a world leading dredging contractor, is frontrunner in maintenance dredging works with their water injection dredging techniques. Natural […]