Sonar used to map ocean floors can penetrate polluted and turbid waters
the verdict
SUPPORTED
the evidence backs this
confidence 87/100
Sonar is well-suited for mapping ocean and inland floor bathymetry because acoustic waves penetrate turbid and polluted waters where optical methods fail.
Evidence for · 2
Technical note: Bathymetry observations of inland water bodies using a tethered single-beam sonar controlled by an unmanned aerial vehicle
2018 · cited by 83
Paper [0] notes that sonar observations measure bathymetry without being significantly affected by water turbidity.
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More for · 1
Shallow water benthic imaging and substrate characterization using recreational-grade sidescan-sonar
2017 · cited by 67
Paper [1] describes procedures for identifying the bed-water interface using sonar precisely because the water is too turbid or turbulent for reliable optical echosounding.