title: Modelling runoff on ceramic tile roofs using the kinematic wave equations.
abstract: Generally, roofs are the best candidates for rainwater harvesting. In this context, the correct evaluation of the quantity and quality of runoff from roofs is essential to effectively design rainwater harvesting systems. This study aims to evaluate the performance of a kinematic wave based numerical model in simulating runoff on sloping roofs, by comparing the numerical results with the ones obtained from laboratory rainfall simulations on a real-scale Lusa ceramic tile roof. For all studied slopes, simulated discharge hydrographs had a good adjust to observed ones. Coefficient of determination and Nash-Sutcliffe efficiency values were close to 1.0. Particularly, peak discharges, times to peak, peak durations and runoff volumes were very well simulated.
authors.affiliation: Institute of Science and Technology, Federal University of Alfenas, BR 267 - Rodovia José Aurélio Vilela, 11.999, Campus Avançado de Poços de Caldas, CEP 37701339 Poços de Caldas, MG, Brazil and MARE-Marine and Environmental Sciences Centre, Coimbra, Portugal E-mail: alexandre.silveira@unifal-mg.edu.br.
authors.forename: A
authors.initials: A
authors.lastname: Silveira
authors.affiliation: MARE-Marine and Environmental Sciences Centre, Coimbra, Portugal and Department of Civil Engineering, Faculty of Science and Technology of the University of Coimbra, Rua Luís Reis Santos, Pólo II-Universidade de Coimbra, 3030-788 Coimbra, Portugal.
authors.forename: J R C B
authors.initials: JR
authors.lastname: Abrantes
authors.affiliation: MARE-Marine and Environmental Sciences Centre, Coimbra, Portugal and Department of Civil Engineering, Faculty of Science and Technology of the University of Coimbra, Rua Luís Reis Santos, Pólo II-Universidade de Coimbra, 3030-788 Coimbra, Portugal.
authors.forename: J L M P
authors.initials: JL
authors.lastname: de Lima
authors.affiliation: MARE-Marine and Environmental Sciences Centre, Coimbra, Portugal and Department of Civil Engineering, Faculty of Science and Technology of the University of Coimbra, Rua Luís Reis Santos, Pólo II-Universidade de Coimbra, 3030-788 Coimbra, Portugal.
authors.forename: L C
authors.initials: LC
authors.lastname: Lira
mesh_terms: D002516:Ceramics; D008962:Models, Theoretical; D011891:Rain; D014872:Water Movements