TY - JOUR A2 - Cerda, Artemi AU - Prevedello, Celso L. AU - Loyola, Jocely M. T. PY - 2010 DA - 2010/12/26 TI - The Similarity Hypothesis and New Analytical Support on the Estimation of Horizontal Infiltration into Sand SP - 657402 VL - 2010 AB - A method based on a specific power-law relationship between the hydraulic head and the Boltzmann variable, presented using a similarity hypothesis, was recently generalized to a range of powers to satisfy the Bruce and Klute equation exactly. Here, considerations are presented on the proposed similarity assumption, and new analytical support is given to estimate the water density flux into and inside the soil, based on the concept of sorptivity and on Buckingham-Darcy's law. Results show that the new analytical solution satisfies both theories in the calculation of water density fluxes and is in agreement with experimental results of water infiltrating horizontally into sand. However, the utility of this analysis still needs to be verified for a variety of different textured soils having a diverse range of initial soil water contents. SN - 1687-7667 UR - https://doi.org/10.1155/2010/657402 DO - 10.1155/2010/657402 JF - Applied and Environmental Soil Science PB - Hindawi Publishing Corporation KW - ER -