A review of physicochemical properties of dissolved organic carbon and its impact over mountain glaciers

Niu, Hewen; Chen, Mengxue; Kang, Shichang; Shukla, Tanuj; Qin, Huili; Gao, Wanni; Huang, Shihai; Zhang, Fu

doi:10.1007/s11629-023-8437-3

J. Mt. Sci.

2024

DOI: 10.1007/s11629-023-8437-3

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A review of physicochemical properties of dissolved organic carbon and its impact over mountain glaciers

Hewen Niu,

Mengxue Chen,

Shichang Kang

et al.

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Cited by 2 publications

References 144 publications

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Emerging glacier forelands alter carbon dynamics on the Tibetan Plateau

Gao,

Zhang,

Meadows

2024

J. Mt. Sci.

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Emerging glacier forelands alter carbon dynamics on the Tibetan Plateau

Gao,

Zhang,

Meadows

2024

J. Mt. Sci.

View full text Add to dashboard Cite

Spectral Analysis of Dissolved Organic Carbon in Seawater by Combined Absorption and Fluorescence Technology

Cao,

Xiong,

Wang

et al. 2024

JMSE

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Dissolved organic carbon refers to soluble carbon substances in water bodies and can be used as an important indicator for water pollution. Spectroscopic detection is commonly used to detect dissolved organic carbon in seawater. However, independent spectral methods are susceptible to interference, and insufficient extraction of the data features can occur. Accordingly, this study introduces a multisource spectral fusion method that relies on a combination of principal component analysis and convolutional neural networks to construct the detection model. The Bayesian correction method is used for calibration, and the dissolved organic carbon content of 10 groups of unfiltered seawater samples is analyzed. Correcting the spectral data acquired from samples containing impurities significantly improved the linear correlation coefficient R2 of dissolved organic carbon from 0.8891 to 0.9838. Similarly, the mean absolute error was significantly reduced from 15.33% to 3.24%, while the individual absolute error was effectively controlled, remaining within 9%. The obtained results show that the developed method effectively integrates the ultraviolet absorption and fluorescence spectral data and overcomes interference from other substances using the Bayesian correction method. Overall, this provides a highly accurate detection system with potential applications in monitoring the marine environment.

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A review of physicochemical properties of dissolved organic carbon and its impact over mountain glaciers

Cited by 2 publications

References 144 publications

Emerging glacier forelands alter carbon dynamics on the Tibetan Plateau

Emerging glacier forelands alter carbon dynamics on the Tibetan Plateau

Spectral Analysis of Dissolved Organic Carbon in Seawater by Combined Absorption and Fluorescence Technology

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