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The recent similarity hypotheses to describe water infiltration into homogeneous soils
Reichardt, Klaus; Timm, Luís Carlos; Dourado-Neto, Durval.
Afiliação
  • Reichardt, Klaus; University of São Paulo. Centro de Engenharia Nuclear na Agricultura. Soil Physics Lab. Piracicaba. Brasil
  • Timm, Luís Carlos; Federal University of Pelotas. Faculdade de Agronomia Eliseu Maciel. Capão do Leão. Brasil
  • Dourado-Neto, Durval; University of São Paulo. Escola Superior de Agricultura Luiz de Queiroz. Dept. of Crop Production. Piracicaba. Brasil
Sci. agric. ; 73(4): 379-383, 2016. tab, graf
Article em En | VETINDEX | ID: vti-684175
Biblioteca responsável: BR68.1
Localização: BR68.1
ABSTRACT
A similarity hypothesis recently presented to describe horizontal infiltration into homogeneous soils, developed for coarse-textured soils like sieved marine sand, implies that the soil water retention function (h) is the mirror image of an extended Boltzmann transform function (2). A second hypothesis applicable to vertical infiltration suggests that the soil water retention function (h) is also the mirror image of the soil water profile (z). Using previously published infiltration data, we investigated whether these two similarity solutions successfully describe infiltration into two normal soils. Although the theory using the first similarity assumption adequately describes horizontal cumulative infiltration and infiltration rate into both soils, it fails to estimate soil water distributions measured between soil profiles. The second similarity solution for vertical infiltration into either soil completely fails to coincide with measured soil water distributions, cumulative infiltration and infiltration rate.(AU)
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Texto completo: 1 Base de dados: VETINDEX Assunto principal: Solo / Infiltração-Percolação / Previsões Idioma: En Revista: Sci. agric / Sci. agric. Ano de publicação: 2016 Tipo de documento: Article

Texto completo: 1 Base de dados: VETINDEX Assunto principal: Solo / Infiltração-Percolação / Previsões Idioma: En Revista: Sci. agric / Sci. agric. Ano de publicação: 2016 Tipo de documento: Article