1. Ph.D. Student, LEMC, International Institute for Water and Environmental Engineering, Rue de la Science, 01 BP 594 Ouagadougou 01, Ouagadougou, Burkina Faso; and LOMC, Univ. of Le Havre, COREVA Building, 53 Rue de Prony, BP 540, 76058 Le Havre Cedex, France.
2. LEMC, International Institute for Water and Environmental Engineering, Rue de la Science, 01 BP 594 Ouagadougou 01, Ouagadougou, Burkina Faso; and School of Planning, Architecture and Civil Engineering, Queen’s Univ. Belfast, David Keir Building, 39 Stranmillis Rd., Belfast BT9 5AG, U.K. (corresponding author).
3. Professor, LEMC, International Institute for Water and Environmental Engineering, Rue de la Science, 01 BP 594 Ouagadougou 01, Ouagadougou, Burkina Faso; and LOMC, Univ. of Le Havre, COREVA Building, 53 Rue de Prony, BP 540, 76058 Le Havre Cedex, France.
4. Professor, LEMC, International Institute for Water and Environmental Engineering, Rue de la Science, 01 BP 594 Ouagadougou 01, Ouagadougou, Burkina Faso.
5. LEMC, International Institute for Water and Environmental Engineering, Rue de la Science, 01 BP 594 Ouagadougou 01, Ouagadougou, Burkina Faso.