Carrillo R., Verónica M., Albrook Hydraulics Laboratory, Department of Civil and Environmental Engineering, Washington State University, 405 Spokane Street, Pullman WA, USA, 99164-2910. Department of Civil Engineering, Hydraulics & Fluid Dynamics Laboratory, Universidad de Cuenca, Av. 12 de Abril y Agustin Cueva, Cuenca, Ecuador, 010150.