Fractal parameters of pore space from CT images of soils under contrasting management practices

Muñoz Ortega, Francisco Javier and San Jose Martinez, Fernando and Caniego Monreal, Francisco (2014). Fractal parameters of pore space from CT images of soils under contrasting management practices. "Fractals-Complex Geometry Patterns And Scaling in Nature And Society", v. 22 (n. 3); pp.. ISSN 0218-348X. https://doi.org/10.1142/S0218348X14400118.

Description

Title: Fractal parameters of pore space from CT images of soils under contrasting management practices
Author/s:
  • Muñoz Ortega, Francisco Javier
  • San Jose Martinez, Fernando
  • Caniego Monreal, Francisco
Item Type: Article
Título de Revista/Publicación: Fractals-Complex Geometry Patterns And Scaling in Nature And Society
Date: September 2014
ISSN: 0218-348X
Volume: 22
Subjects:
Faculty: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Department: Matemática Aplicada a la Ingeniería Agronómica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Soil structure plays an important role in flow and transport phenomena, and a quantitative characterization of the spatial heterogeneity of the pore space geometry is beneficial for prediction of soil physical properties. Morphological features such as pore-size distribution, pore space volume or pore?solid surface can be altered by different soil management practices. Irregularity of these features and their changes can be described using fractal geometry. In this study, we focus primarily on the characterization of soil pore space as a 3D geometrical shape by fractal analysis and on the ability of fractal dimensions to differentiate between two a priori different soil structures. We analyze X-ray computed tomography (CT) images of soils samples from two nearby areas with contrasting management practices. Within these two different soil systems, samples were collected from three depths. Fractal dimensions of the pore-size distributions were different depending on soil use and averaged values also differed at each depth. Fractal dimensions of the volume and surface of the pore space were lower in the tilled soil than in the natural soil but their standard deviations were higher in the former as compared to the latter. Also, it was observed that soil use was a factor that had a statistically significant effect on fractal parameters. Fractal parameters provide useful complementary information about changes in soil structure due to changes in soil management. Read More: http://www.worldscientific.com/doi/abs/10.1142/S0218348X14400118?queryID=%24%7BresultBean.queryID%7D&

Funding Projects

TypeCodeAcronymLeaderTitle
Government of SpainAGL2011-25175UnspecifiedUnspecifiedUnspecified

More information

Item ID: 35639
DC Identifier: http://oa.upm.es/35639/
OAI Identifier: oai:oa.upm.es:35639
DOI: 10.1142/S0218348X14400118
Official URL: http://www.worldscientific.com/doi/abs/10.1142/S0218348X14400118
Deposited by: Memoria Investigacion
Deposited on: 24 Jun 2015 17:19
Last Modified: 22 May 2019 07:39
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