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http://hdl.handle.net/10261/144086
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dc.contributor.author | San José Martínez, F. | - |
dc.contributor.author | Muñoz Ledesma, Francisco Javier | - |
dc.contributor.author | Caniego, F. J. | - |
dc.contributor.author | Peregrina Alonso, Fernando | - |
dc.date.accessioned | 2017-02-16T11:12:55Z | - |
dc.date.available | 2017-02-16T11:12:55Z | - |
dc.date.issued | 2013-08-02 | - |
dc.identifier | issn: 1539-1663 | - |
dc.identifier.citation | Vadose Zone Journal 12(3): (2013) | - |
dc.identifier.uri | http://hdl.handle.net/10261/144086 | - |
dc.description.abstract | Soil tomography and morphological functions built over Minkowski functionals were used to describe the impact on pore structure of two soil management practices in a Mediterranean vineyard. Soil structure controls important physical and biological processes in soil-plant-microbial systems. Those processes are dominated by the geometry of soil pore structure, and a correct model of this geometry is critical for understanding them. Soil tomography has been shown to provide rich three-dimensional digital information on soil pore geometry. Recently, mathematical morphological techniques have been proposed as powerful tools to analyze and quantify the geometrical features of porous media. Minkowski functionals and morphological functions built over Minkowski functionals provide computationally efficient means to measure four fundamental geometrical features of three-dimensional geometrical objects, that is, volume, boundary surface, mean boundary surface curvature, and connectivity. We used the threshold and the dilation and erosion of three-dimensional images to generate morphological functions and explore the evolution of Minkowski functionals as the threshold and as the degree of dilation and erosion changes. We analyzed the three-dimensional geometry of soil pore space with X-ray computed tomography (CT) of intact soil columns from a Spanish Mediterranean vineyard by using two different management practices (conventional tillage versus permanent cover crop of resident vegetation). Our results suggested that morphological functions built over Minkowski functionals provide promising tools to characterize soil macropore structure and that the evolution of morphological features with dilation and erosion is more informative as an indicator of structure than moving threshold for both soil managements studied. © Soil Science Society of America 5585 Guilford Rd., Madison, WI 53711 USA. All rights reserved. | - |
dc.publisher | Soil Science Society of America | - |
dc.rights | closedAccess | - |
dc.title | Morphological functions to quantify three-dimensional tomograms of macropore structure in a vineyard soil with two different management regimes | - |
dc.type | artículo | - |
dc.identifier.doi | 10.2136/vzj2012.0208 | - |
dc.relation.publisherversion | http://doi.org/10.2136/vzj2012.0208 | - |
dc.date.updated | 2017-02-16T11:12:56Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.relation.csic | Sí | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.fulltext | No Fulltext | - |
item.grantfulltext | none | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
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