Solute dispersion coefficients in heterogeneous porous media as related with the migration of pesticides in groundwater

Christos Tsakiroglou, Dimitra Tzovolou, Christos Aggelopoulos, Maria Theodoropoulou, Theodora Dalkarani, Constantinos Pikios & Christos Tsakiroglou
During the last years, too much attention has been focused on problems related with the diffuse pollution of groundwater by pesticides. However, in spite of the numerous lab-scale and field-scale experimental studies and numerical approaches, one significant factor is usually overlooked: the transverse and longitudinal dispersivities are scale-dependent and sensitive to the variation of microscopic properties of the pore structure and multiscale heterogeneities. Miscible displacement and single source-solute transport experiments are performed on long columns...
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