Remote sensing of the sea by tunable multichannel lidar

Babichenko, Sergey; Lapimaa, Juri; Porovkina, Larissa; Dudelzak, Alexander E.

doi:10.1117/12.138516

Cited by 1 publication

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“…Also, passive, and active remote-sensing systems have been applied in marine monitoring and applications such as water quality parameters, toxins, and marine biodiversity (14)(15)(16). Despite the inclusion of freshwater systems in some early trials and applications of airborne fluorescence lidar systems, its use in the detection and monitoring of inland waters and its biodiversity remains limited with only a few exceptions (17). Hence, near-range measurement is important in the monitoring of surrounding environments (11,18).…”

Section: Introductionmentioning

confidence: 99%

Chlorophyll-a Characterization of Chlamydomonas reinhardtii Using Absorbance Fluorescence Spectroscopy and Portable LED Fluorescence Lidar System

Cadondon¹,

Vallar²,

Shiina³

et al. 2022

ECS Trans.

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With the increasing reports on algal blooms in the Philippines, we aimed to characterize chlorophyll-a pigment of C. reinhardtii using a portable LED fluorescence lidar system. C. reinhardtii was prepared using BG-culture media with controlled cultivation parameters. Chlorophyll-a pigment measurements were conducted using optical density and EEM chlorophyll-a pigment at 680 nm emission wavelength. The developed portable LED fluorescence lidar system uses 385 nm excitation wavelength for its transmitting system with pulse width of 10.92 ns and peak power of 830 mW. Positive correlations were observed between the range-resolved fluorescence lidar signal and other standard parameters. This new technique can provide real time monitoring of chlorophyll-a in algal growth, which can be used by government and private sectors in creating policies for environmental monitoring and management.

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