Research on Fast in Situ Sensing Technology for Marine Gross Primary Productivity Based on Fluorescence Dynamics Method

YIN Gaofang; ZHAO Nanjing; DONG Ming; MA Mingjun; GAN Tingting; QIN Zhisong; WANG Xiang; HUANG Peng; HU Xiang

doi:10.11993/j.issn.2096-3920.2023-0072

Volume 31 Issue 4

Aug 2023

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Article Navigation > Journal of Unmanned Undersea Systems > 2023 > 31(4): 633-639

YIN Gaofang, ZHAO Nanjing, DONG Ming, MA Mingjun, GAN Tingting, QIN Zhisong, WANG Xiang, HUANG Peng, HU Xiang. Research on Fast in Situ Sensing Technology for Marine Gross Primary Productivity Based on Fluorescence Dynamics Method[J]. Journal of Unmanned Undersea Systems, 2023, 31(4): 633-639. doi: 10.11993/j.issn.2096-3920.2023-0072

Citation:

YIN Gaofang, ZHAO Nanjing, DONG Ming, MA Mingjun, GAN Tingting, QIN Zhisong, WANG Xiang, HUANG Peng, HU Xiang. Research on Fast in Situ Sensing Technology for Marine Gross Primary Productivity Based on Fluorescence Dynamics Method[J]. Journal of Unmanned Undersea Systems, 2023, 31(4): 633-639. doi: 10.11993/j.issn.2096-3920.2023-0072

Citation:

YIN Gaofang, ZHAO Nanjing, DONG Ming, MA Mingjun, GAN Tingting, QIN Zhisong, WANG Xiang, HUANG Peng, HU Xiang. Research on Fast in Situ Sensing Technology for Marine Gross Primary Productivity Based on Fluorescence Dynamics Method[J]. Journal of Unmanned Undersea Systems, 2023, 31(4): 633-639. doi: 10.11993/j.issn.2096-3920.2023-0072

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Research on Fast in Situ Sensing Technology for Marine Gross Primary Productivity Based on Fluorescence Dynamics Method

doi: 10.11993/j.issn.2096-3920.2023-0072

1.
Key Laboratory of Environment Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
2.
School of Environment Science and Optoelectronic Technology, University of Science and Technology of China, Hefei 230026, China
3.
School of Computer and Information Security, Guilin University of Electronic Science and Technology, Guilin 541004, China
4.
School of Electrical Engineering, Anhui University of Engineering, Wuhu 241000, China

Received Date: 2023-06-07
Accepted Date: 2023-08-03
Rev Recd Date: 2023-08-03

Available Online: 2023-08-09

Abstract

Abstract

Marine gross primary productivity(GPP) constitutes a fundamental element of the biological matter cycle and energy flow within the marine ecosystem, serving as a key indicator for assessing the sate of marine ecological environment. Traditional methods of measuring GPP are often laborious, with long measurement period and poor immediacy. To address the pressing need for expeditious monitoring of marine GPP in ecological surveys and carbon sink assessment, we explored multi-wavelength variable light pulse-induced fluorescence kinetic technology. This approach leverages chlorophyll fluorescence as a probe of phytoplankton photosynthetic activity and culminated in the development of an in-situ sensor. Subsequently, we applied this sensor in trials across the Arctic, Yellow Sea, Bohai Sea, and South China Sea. The resulting spatial distribution of GPP across these regions has yielded extensive real-time observational data, contributing substantially to the monitoring and scientific research of the marine ecological environment. Sea trials outcomes demonstrate that the multi-band variable light pulse-induced fluorescence kinetic technology can rapidly and accurately estimate GPP, offering notable advantages such as speed, accuracy, stability, and reliability in measurement. This ultimately provides an advanced technical resource for marine ecological investigations and carbon sink assessments.
- marine ecosystem,
- phytoplankton,
- marine gross primary productivity,
- fluorescence kinetics,
- rapid measurement,
- in situ sensing

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References(17)

References

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