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Suivi en continu de la qualité d’un cours d’eau. Apports et difficultés des méthodes optiques

Abstract : Optical sensors, namely a submersible UV-visible spectrophotometer, a fluorescence probe for dissolved organic matter and a fluorimeter with a circulation cuvette dedicated to tryptophan-like fluorescence measurement have been deployed for the real-time monitoring of a periurban stream. Biofouling was a main issue for the UV-visible spectrophotometer and the tryptophan-like fluorimeter. However nitrates variation could be monitored by UV-vis spectroscopy based on the maximum of the second derivative of the spectrum in the UV-range.
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https://hal.inrae.fr/hal-02605203
Contributor : Migration Irstea Publications <>
Submitted on : Saturday, May 16, 2020 - 10:37:18 AM
Last modification on : Tuesday, June 15, 2021 - 2:30:15 PM

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Philippe Namour, Marie-Noëlle Pons, Stéphanie Wachs, Xavier France. Suivi en continu de la qualité d’un cours d’eau. Apports et difficultés des méthodes optiques. Instrumentation, Mesure, Métrologie, Lavoisier, 2016, 15 (1-2), pp.65-77. ⟨10.3166/I2M.15.1-2.65-77⟩. ⟨hal-02605203⟩

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