4.2.16. Bottom interference¶

Sometimes when the bottom is too close to the instrument or near the end of the instrument’s range, the UHDAS automated at-sea processing cannot identify the bottom by a simple algorithm. There may be artifacts left in the ocean velocities, which should be edited out by hand.

BEFORE

ADCP data: some bottom interference not edited out

AFTER

ADCP data: bottom interference after hand-editing