Infographic on measuring water quality with light
![Infographic on measuring water quality with light](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/figure-2.jpg?itok=N_-SwQFl)
Detailed Description
(A) Visible and ultraviolet light are forms of energy. (B) Sensors can take a variety of forms. Many are cylinders protected by a plastic or metal covering. Hiding inside are the energy sources, detectors, and computers for logging (storing) data.
Figure 2 in Underwater Flashlights: What Light Can Tell Us About Water Quality
Sources/Usage
Public Domain.