Articles | Volume 22, issue 3
Technical note
12 Mar 2018
Technical note |  | 12 Mar 2018

Technical note: False low turbidity readings from optical probes during high suspended-sediment concentrations

Nicholas Voichick, David J. Topping, and Ronald E. Griffiths

Data sets

Laboratory experiment data—turbidity response to increasing silt and clay concentration Voichick, N.

Short summary
This paper describes instances in the Grand Canyon study area and a laboratory experiment in which very high suspended-sediment concentrations result in incorrectly low turbidity recorded with a commonly used field instrument. If associated with the monitoring of a construction or dredging project, false low turbidity could result in regulators being unaware of environmental damage caused by the actually much higher turbidity.