Surveying
Surveying is the process of determining the position, distance, and elevation of points on or near the Earth's surface. In the maritime context, surveying is used to determine the depth of water, the shape of the seabed, and the location of underwater hazards. This information is critical for safe navigation and the construction of marine structures such as ports, harbors, and offshore platforms. Surveying techniques used in the maritime industry include bathymetry, which uses sonar to measure water depth, and side-scan sonar, which creates detailed images of the seabed. Other methods include laser scanning, GPS, and traditional land surveying techniques adapted for use on water.
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