AI Article Synopsis
- Colored dissolved organic matter (CDOM) is crucial for marine ecosystems, and measuring its absorption has faced challenges.
- An automated onboard analyzer using liquid core waveguides was developed, featuring a flexible optical path, extensive measurement range, and high sensitivity.
- Controlled by LabVIEW software, the analyzer can automate filtration and sample injection, while providing real-time data, proving to be reliable through various experiments.
Article Abstract
Colored dissolved organic matter (CDOM) plays an important role in marine ecosystems. In order to solve the current problems in measurement of CDOM absorption, an automated onboard analyzer based on liquid core waveguides (Teflon AF LWCC/LCW) was constructed. This analyzer has remarkable characteristics including adjusted optical pathlength, wide measurement range, and high sensitivity. The model of filtration and injection can implement the function of automated filtration, sample injection, and LWCC cleaning. The LabVIEW software platform can efficiently control the running state of the analyzer and acquire real time data including light absorption spectra, GPS data, and CTW data. By the comparison experiments and shipboard measurements, it was proved that the analyzer was reliable and robust.
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