Quarterdeck Volume 5, Number 1, Spring 1997

Fluorometer

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1. As the fluorometer descends through the water column this cone projects flashes of light at a specific wavelength into the water passing in front of it. Plankton in the water absorb the light and respond by emitting a tiny amount of light of a different wavelength.

2. This cone measures the amount of light produced by the plankton.

3. The metal cylinder contains electronics to process the data and transmit them to the CTD for delivery to the surface.

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Last updated June 7, 1997