Metodologia para correlacionar a umidade, compactação e a condutividade elétrica aparente do solo
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2014-12-19
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Universidade Federal de Goiás
Resumo
This work presents the study of the relationship between soil apparent electrical
resistivity ρa and the moisture content, clay content and soil compaction, for use of
the ρa as a mapping tool of spatial soil variability. The values of apparent electrical
resistivity are obtained by geoelectrical prospecting methods that detect the effects
produced by the flow of electrical current in the soil. It is used the Wenner array
and the technique of Lateral Profiling for data collection. It was held measures of
ρa in different soil types, varying moisture content gradually while maintaining a
constant compaction, and then varying the compaction and relating it to a constant
humidity. To the study of spatial variability, it was chose two areas that would enable
the change of moisture and compaction content, in order to verify the measurement
capacity of ρa as methodology of identification of change in soil dynamics. The results
obtained are presented and discussed.
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Citação
SILVA FILHO, A. M. Metodologia para correlacionar a umidade, compactação e a condutividade elétrica aparente do solo. 2015. 102 f. Dissertação (Mestrado em Engenharia Elétrica e da Computação) - Universidade Federal de Goiás, Goiânia, 2014.