Quote:
Originally Posted by RIROCKHOUND
When you are collecting bathymetry data with a multi-beam or other similar technology, you typically run parallel lines w/ a spacing at some multiple of water depth (depending on the equipment being used). Then you typically run tie-lines perpendicular at a wider spacing to make sure your accuracy is good in both directions.
At the center, an area of the data swath known as the 'nadir' there is often a slightly deeper or shallower area that is impacted by the angle of the sonar beams and can be tough to process, espeically with older systems and software. Similar issues can arise with the edges of survey lines (at the edge of the data swath being collected), however this looks like a nadir issue to me.
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Wow. look at the brain in Bryan!
