Picture of Sounding Weight and Point Acoustic Sensor Highlighted

A yellow Columbus sounding weight above a river with point acoustic sensor attached below and inside a polyvinyl chloride (PVC) apparatus. The point acoustic method is highlighted by a white, dashed box. 

This picture shows a yellow Columbus sounding weight above a river with a polyvinyl chloride (PVC) apparatus attached to the bottom of the suspended sediment sampler. The PVC apparatus has a main tube with a black acoustic point sensor in the middle of the PVC and only the face of the acoustic sensor is showing. There is a white, dashed box that is highlighting the point acoustic sensor. There are two PVC leg tubes below the main tube. There is a cable holding the suspended sediment sampler and a person’s hand holding the cable attachment. There is a river with aquatic vegetation below the sampler and a streambank and mowed grass in the background.