Fluorescens
The graph shows fluorescence yesterday.
![Fluorescens Fluorescens](http://www.ektedata.no/en/daygraphs/fluorescens/@@images/bf53adb8-15cf-4c7b-8ea0-9a589bdfbc12.jpeg)
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- Fluorescence is a measure of radiated light from a substance that has absorbed radiation from, for example, the sun.
- Fluorescence is a form of luminescence and is directly dependent on biological mass which has absorbed and then emitted radiation.
- This gives us a measure of biological mass such as different types of plankton in the water. Measured in ug / l.