On soil textural classifications and soil texture-based estimations

Martin Martin, Miguel Angel ORCID: https://orcid.org/0000-0002-9724-5869, Pachepsky, Yakov, García-Gutiérrez Baez, Carlos ORCID: https://orcid.org/0000-0001-6147-9068 and Reyes Castro, Miguel E. ORCID: https://orcid.org/0000-0002-1815-0563 (2018). On soil textural classifications and soil texture-based estimations. "Solid Earth Discussions (SED)", v. 9 (n. 1); pp. 159-165. ISSN 1869-9537. https://doi.org/10.5194/se-9-159-2018.

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Title: On soil textural classifications and soil texture-based estimations
Author/s:
Item Type: Article
Título de Revista/Publicación: Solid Earth Discussions (SED)
Date: 22 February 2018
ISSN: 1869-9537
Volume: 9
Subjects:
Faculty: E.T.S. de Ingeniería Agronómica, Alimentaria y de Biosistemas (UPM)
Department: Matemática Aplicada
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The soil texture representation with the standard textural fraction triplet ’sand-silt-clay’ is commonly used to estimate soil properties. The objective of this work was to test the hypothesis that other fraction sizes in the triplets may provide better representation of soil texture for estimating some soil parameters. We estimated the cumulative particle size distribution and bulk density from entropy-based representation of the textural triplet with experimental data for 6300 soil samples. Results supported the hypothesis. For example, simulated distributions were not significantly different from the original ones in 25 and 85 % of cases when the ’sand-silt-sand’ and ’very coarse+coarse + medium sand - fine +very fine sand - silt+clay’, were used, respectively. When the same standard and modified triplets were used to estimate the average bulk density, the coefficients of determination were 0.001 and 0.967, respectively. Overall, the textural triplet selection appears to be application- and dataspecific.

More information

Item ID: 49989
DC Identifier: https://oa.upm.es/49989/
OAI Identifier: oai:oa.upm.es:49989
DOI: 10.5194/se-9-159-2018
Official URL: https://www.solid-earth.net/9/159/2018/
Deposited by: Memoria Investigacion
Deposited on: 30 May 2018 08:56
Last Modified: 30 May 2018 08:56
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