1. CTUR, Federal Rural University of Rio de Janeiro, Seropédica, RJ 23890–000, Brazil
2. IT/Engineering Department, Federal Rural University of Rio de Janeiro, Seropédica, RJ 23890–000, Brazil
3. Department of Hydraulics and Sanitary Engineering, University of São Paulo, São Carlos, SP 13560–970, Brazil
4. Campus Professora Cinobelina Elvas, Federal University of Piauí, Bom Jesus, PI 64900–000, Brazil