Fractal dimension and anisotropy of soil CO2 emission in an agricultural field during fallow

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorCoruńa University-
Autor(es): dc.contributorUniversidade Federal da Bahia (UFBA)-
Autor(es): dc.creatorLa Scala, N. [UNESP]-
Autor(es): dc.creatorPanosso, A. R. [UNESP]-
Autor(es): dc.creatorPereira, G. T. [UNESP]-
Autor(es): dc.creatorGonzalez, A. P.-
Autor(es): dc.creatorMiranda, J. G.V.-
Data de aceite: dc.date.accessioned2022-08-04T22:02:05Z-
Data de disponibilização: dc.date.available2022-08-04T22:02:05Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2009-12-01-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/219559-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/219559-
Descrição: dc.descriptionThe study of soil CO2 emission is a relevant task due to the fact that it is related to many environmental issues, especially the enhanced greenhouse effect. In this work we investigated the spatial variability structure of a bare soil CO2 emission in an area of 80 × 80 m, during twelve different days. Spatial and temporal variability analyses in the 65-point grid indicate that significant spatial heterogeneity is present in most of the days. Fractal dimension values varying from 2 to 2.88 was determined in a direction of 84.3±22.5°, which is close to perpendicular of crop lines. This effect seems to be related to the structure of temporal variability of soil CO2 emission, which presents a complex net of correlation with 83% of grid points connected within the same cluster, also with most of the points aligned perpendicular to crop lines. © 2009 Institute of Agrophysics, Polish Academy of Sciences.-
Descrição: dc.descriptionAgrarian and Veterinarian Faculty Säo Paulo State University (FCAV/UNESP), Via de Acesso Prof. Paulo Donato Castellane s/n. 14883-292, Jaboticabal, SP-
Descrição: dc.descriptionScience Faculty Coruńa University, Zapatteira, 15.071 Coruńa-
Descrição: dc.descriptionPhysics Faculty Federal University of Bahia, Salvador, BA-
Descrição: dc.descriptionAgrarian and Veterinarian Faculty Säo Paulo State University (FCAV/UNESP), Via de Acesso Prof. Paulo Donato Castellane s/n. 14883-292, Jaboticabal, SP-
Formato: dc.format353-358-
Idioma: dc.languageen-
Relação: dc.relationInternational Agrophysics-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectGreenhouse gas-
Palavras-chave: dc.subjectSoil CO2 flux-
Palavras-chave: dc.subjectSoil respiration-
Palavras-chave: dc.subjectSpatial variability-
Título: dc.titleFractal dimension and anisotropy of soil CO2 emission in an agricultural field during fallow-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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