Side-scan sonar records collected in a shallow arctic lagoon (2-2.5 m depth) reveal a herringbone pattern of current-aligned linear reflectors with branching diagonals. The major longitudinal reflectors have no detectable relief (<20 cm), are spaced 5-10 m apart, and may represent current-aligned helical cell boundaries preserved in the silty fine sand of the lagoon floor. The pattern suggests a three-dimensional flow regime of the Taylor-Go??rtler type. ?? 1979.
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A herringbone bedform pattern of possible Taylor-Go??rtler type flow origin seen in sonographs