Spatial gradients and molecular transformations of DOM, DON and DOS in human-impacted estuarine sediments

Ni, Zhaokui; Wu, Yue; Ma, Yu; Li, Yu; Li, Dan; Lin, Wei; Wang, Shengrui; Zhou, Chunyang

doi:10.1016/j.envint.2024.108518

Environment International

2024

DOI: 10.1016/j.envint.2024.108518

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Spatial gradients and molecular transformations of DOM, DON and DOS in human-impacted estuarine sediments

Zhaokui Ni,

Yue Wu,

Yu Ma

et al.

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Cited by 2 publications

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Transforming contaminant ligands at water–solid interfaces via trivalent metal coordination

Wang,

Xu,

Liu

et al. 2024

Environment International

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Transforming contaminant ligands at water–solid interfaces via trivalent metal coordination

Wang,

Xu,

Liu

et al. 2024

Environment International

View full text Add to dashboard Cite

Spectroscopic Indices Reveal Spatiotemporal Variations of Dissolved Organic Matter in Subtropical Karst Cave Drip Water

Dong,

Zhou

2024

Water

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The migration and transformation of dissolved organic matter (DOM) in highly heterogeneous and permeable karst aquifers are of great significance to the regional carbon cycle but are rarely explored, especially in response to extreme climate events. In this study, we utilized spectroscopic indices to investigate variations in DOM concentration, composition, and origin in Mahuang Cave, Southwest China, from August 2020 to October 2022. The findings indicate that meteorological conditions, hydrological pathways, and in–situ metabolism primarily control DOM dynamics in karst cave drip water. However, due to the complex cave fractures and stratigraphy, the DOM composition at the four monitoring sites—classified into slow and fast seepage—showed different responses to meteorological events. Therefore, surface reworking must be fully considered when assessing the environmental information recorded by cave sediments.

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Spatial gradients and molecular transformations of DOM, DON and DOS in human-impacted estuarine sediments

Cited by 2 publications

References 102 publications

Transforming contaminant ligands at water–solid interfaces via trivalent metal coordination

Transforming contaminant ligands at water–solid interfaces via trivalent metal coordination

Spectroscopic Indices Reveal Spatiotemporal Variations of Dissolved Organic Matter in Subtropical Karst Cave Drip Water

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