2023
DOI: 10.3390/polym15051200
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Application of Unsupervised Learning for the Evaluation of Burial Behavior of Geomaterials in Peatlands: Case of Lignin Moieties Yielded by Alkaline Oxidative Cleavage

Abstract: Tropical Peatlands accumulate organic matter (OM) and a significant source of carbon dioxide (CO2) and methane (CH4) under anoxic conditions. However, it is still ambiguous where in the peat profile these OM and gases are produced. The composition of organic macromolecules that are present in peatland ecosystems are mainly lignin and polysaccharides. As greater concentrations of lignin are found to be strongly related to the high CO2 and CH4 concentrations under anoxic conditions in the surface peat, the need … Show more

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Cited by 4 publications
(2 citation statements)
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“…The first two PCs accounted for only 38% of the total variance (21.4% and 16.6% for the first and second PC, respectively (Figure 1a)). This value is lower than those reported in previous PCA investigations concerning materials' characterization [20,21,23,28,60]. For the investigated variables, most properties had moderate to low contributions to PC 1 , with insignificant influence of pore size, flux, and synthesis and pervaporation temperature.…”
Section: Pca Approach For the Entire Datasetcontrasting
confidence: 66%
“…The first two PCs accounted for only 38% of the total variance (21.4% and 16.6% for the first and second PC, respectively (Figure 1a)). This value is lower than those reported in previous PCA investigations concerning materials' characterization [20,21,23,28,60]. For the investigated variables, most properties had moderate to low contributions to PC 1 , with insignificant influence of pore size, flux, and synthesis and pervaporation temperature.…”
Section: Pca Approach For the Entire Datasetcontrasting
confidence: 66%
“…PCs are actually orthogonal in relation to each other; this represents the geometrical interpretation of no correlation between PCs [ 14 ]. PCA is widely used in various fields, such as geology [ 15 , 16 ], biomass characterization, and valorization [ 17 ]. For aerogels, our previous studies applied PCA for the sake of revealing hidden patterns between the physical and chemical properties and adsorption parameters [ 12 , 13 ].…”
Section: Introductionmentioning
confidence: 99%