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AbstractAbstract
[en] A new concept for the analytical description of the process of water infiltration into homogeneous soils is presented. The concept uses a new definition of a 'gravitational diffusivity' which permits the generalization of both cases, horizontal and vertical infiltration. The efficiency of the new concept in describing the infiltration process, for short and intermediate times, is proved through experimental data obtained during water infiltration into air-dry soil columns. Its advantages are discussed comparing soil water contents predicted by the numerical solution proposed by PHILLIP (1955, 1957)
[pt]
Apresenta-se um novo conceito para a descricao analitica do processo de infiltracao de agua em solos homogeneos. Este conceito, a partir de definicao de uma 'difusividade gravitacional' permite a generalizacao dos casos de infiltracao horizontal e vertical. Comprova-se atraves de experimentos realizados em colunas de solo homogeneo a eficiencia do novo conceito na descricao do processo de infiltracao, pra intervalos de tempo curtos e intermediarios. Evidenciam-se as vantagens da utilizacao deste conceito generalizado pelo confronto entre os perfis de umidade por ele estimados, os obtidos segundo a solucao numerica proposta por PHILLIP (1955, 1957) e os experimentaisOriginal Title
Infiltracao da agua em solos homogeneos: novo conceito
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Source
Oct 1977; 38 p; Tese (M.Sc.).
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Miscellaneous
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Thesis/Dissertation
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