Single beam sounders provide a cost-effective way to obtain accurate data. It is excellent for creating profiles and low-density surveys and is very useful in both deep and shallow water.
Sub Bottom Profilers similar to single beam sounders but differ by sending a signal that penetrates through the bottom and sends returns from different stratified material levels. Geologist often uses this to help determine the makeup of the substrate below the water column.
When detailed scans of large areas are required, multi-beam sounders can create high-density point clouds, which showed detailed XYZ data.
If you are looking for a target or want to inspect underwater structures, side-scan 'sees' through the waves by casting sound shadows of underwater objects helping you see the size and shape of underwater objects and structures. With new developments in technology, some side-scan units also offer the ability to collect bathymetry data similar to multi-beam sonars, simultaneously providing detailed point clouds and side-scan imagery and do very well in shallow water.
Scanning sonar Like side scan is another useful tool but scans in 360 degrees. Great for helping ROVs navigate. assist in underwater searches and profiling tunnels.
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Technological advancements in sonar and computing power are always pushing the edge of what is possible. Sonar has a wide range of uses, from mapping the unknown to aiding ROVs and divers in zero visibility. There are many types of sonar systems that can be used on many different platforms to provide the results you need.