Fig. 1. Influence of 
1 - 2 on the apparent dispersivity in function of the depth. Values in the graph represent the a calculated from Eq. [19] with reference depth l = 1 m, 
l = 0.2, and µl = 10.
Fig. 1. Influence of 1 - 2 on the apparent dispersivity in function of the depth. Values in the graph represent the a calculated from Eq. [19] with reference depth l = 1 m, l = 0.2, and µl = 10.