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Resolving the variability in dissolved organic matter fluorescence in a temperate estuary and its catchment using PARAFAC analysis

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Stedmon, Colin A., Markager, Stiig·2005·Limnology and Oceanography

Abstract

Excitation emission matrix fluorescence spectroscopy combined with PARAFAC analysis provides a fast and effective method of characterizing the fluorescent fraction of dissolved organic matter (DOM). Fluorescence measurements can be used as a tracer for quantitative and qualitative changes occurring in the DOM pool as a whole. An earlier study found that the fluorescence signal could be modeled by five fractions. This study presents an analysis on a considerably larger data set (>1,200 samples) resulting from a 1-yr sampling program in Horsens Estuary, Denmark. Eight fluorescent fractions were identified. Four biogenic terrestrial, two anthropogenic, and two protein-like fractions were identified. Analysis of covariation between the components identified source-specific fractions and the presence of common factors controlling the composition of terrestrial DOM exported from different catchments.

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Metadata

Authors
Stedmon, C. A., & Markager, S.
Venue
Limnology and Oceanography
Publisher
Wiley
Published
2005-03
Volume
50
Issue
2
Pages
686-697
ISSN
0024-3590 (ISSN-L)
OpenAlex
W2146891368
Cited by
1,185
References
0
FWCI
9.92
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Resolving the variability in dissolved organic matter fluorescence in a temperate estuary and its catchment using PARAFAC analysis. https://app.cochat.ai/papers/10.4319/lo.2005.50.2.0686
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Stedmon, C. A., & Markager, S. (2005). Resolving the variability in dissolved organic matter fluorescence in a temperate estuary and its catchment using PARAFAC analysis. Limnology and Oceanography. https://doi.org/10.4319/lo.2005.50.2.0686

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.