Envilab: Measuring phytoplankton in-vivo absorption and scattering properties under tunable environmental conditions.
OPTICS EXPRESS(2017)
摘要
Optical remote sensing of phytoplankton draws on distinctive spectral features which can vary with both species and environmental conditions. Here, we present a set-up (ENVILAB) for growing phytoplankton under well-defined light, temperature and nutrient conditions. The custom-built light source enables creation of light with spectral composition similar to natural aquatic environments. Spectral tuning allows for light quality studies. Attenuation is monitored with a spectrometer in transmission mode. In combination with automated spectrophotometer and fluorimeter measurements, absorption and excitation-emission- fluorescence spectra are recorded. The set-up opens the door for systematic studies on phytoplankton optical properties and physiology. (c) 2017 Optical Society of America
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