Abstract

In the past the collection of samples from the deep scattering layer by the familiar horizontal net haul method has been handicapped by the available tools. The time-honored weighted line technique has often been suspected of introducing error in the depth factor of data. The development of the streamlined cable depressor herein described provides an effective tool for oceanographic studies. Because of its form, the depressor has a high lift/drag ratio and is free from the damaging vibration usually characteristic of depressors. Many applications are suggested by its performance in the field.

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