Development of underwater fluorimeters for assessing biochemical constituents of coastal seawater

Jianping Li; Zhisheng Zhou; Liang Zhang; Liangpei Chen; Yizhou Zhang; Peng Liu

doi:10.1117/12.2588174

12 April 2021 Development of underwater fluorimeters for assessing biochemical constituents of coastal seawater

Jianping Li, Zhisheng Zhou, Liang Zhang, Liangpei Chen, Yizhou Zhang, Peng Liu

Author Affiliations +

Proceedings Volume 11752, Ocean Sensing and Monitoring XIII; 117520D (2021) https://doi.org/10.1117/12.2588174
Event: SPIE Defense + Commercial Sensing, 2021, Online Only

Abstract

We developed two underwater fluorimeters (VIS&UV) for in-situ assessments of aquatic fluorescence constituents. Two prototypes had been developed to assess chlorophyll a and BOD₅, respectively, and were deployed under a buoy platform for long-term field tests. Design considerations include exciting light use efficiency, weak fluorescence signal detection, ambient light suppression, corrosion resistance and anti-biofouling. The prototypes demonstrated excellent linearity in response to fluorescence emissions in laboratory calibrations and good environment suitability during the field tests. We had obtained a large amount of observational data and maintenance experience.

Conference Presentation

Citation Download Citation

Jianping Li, Zhisheng Zhou, Liang Zhang, Liangpei Chen, Yizhou Zhang, and Peng Liu "Development of underwater fluorimeters for assessing biochemical constituents of coastal seawater", Proc. SPIE 11752, Ocean Sensing and Monitoring XIII, 117520D (12 April 2021); https://doi.org/10.1117/12.2588174

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