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3D multifractal characterization of computed tomography images of soils under different tillage management: linking multifractal parameters to physical properties

Identificadores del recurso

Geoderma, 363, 114129 (2020)

00167061

http://hdl.handle.net/11093/6932

10.1016/j.geoderma.2019.114129

https://linkinghub.elsevier.com/retrieve/pii/S0016706119311954

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Title:: 3D multifractal characterization of computed tomography images of soils under different tillage management: linking multifractal parameters to physical properties
Tema:: 2511.12 Física de Suelos
Description:: Multifractal analysis of pore images obtained from X-ray computed tomography (CT) was used to characterize the scaling properties of macropores in soils with different managements and their correspondence with macroscopic physical properties related with the soil functions. We used CT images of twenty undisturbed soil columns to examine the multifractal properties of the pores identified by X-ray computed tomography (CT-Porosity). Multifractal spectra successfully describe the scaling of the pore network in all soil columns. The dimensions and scaling parameters of these spectra correlate with macroscopic magnitudes, namely, CT-Porosity, surface area of the pore walls, tortuosity, and bulk density. We also found strong correlations between the singularity spectra and the topological descriptors of the pore network skeleton: total slab voxels, number of branches per path, number of endpoints and sum of branch length, among others. These correlations show that the complexity of the CT-Porosity can be related quantitatively with physical properties, the organization of the pore skeleton and solute transport.; Ministerio de Educación y Ciencia | Ref. FPU14/00681; Xunta de Galicia | Ref. ED481B-2017/31
Idioma:: English
Autor/Productor:: Soto Gómez, Diego; Pérez Rodríguez, Paula; Vázquez Juiz, Laura; Paradelo Pérez, Marcos; López Periago, José Eugenio
Publisher:: Geoderma; Bioloxía vexetal e ciencias do solo; Pranta, Solo e Aproveitamento de Subproductos
Rights:: © 2019 Elsevier B.V. All rights reserved.; closedAccess
Date:: 2024-06-05T09:08:32Z; 2020-04; indefinido; 2024-02-01T09:49:05Z
Tipo de recurso:: article

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