1. Ph.D. Student, Graduate Program in Civil and Environmental Engineering, Universidade de Passo Fundo, Passo Fundo, RS 99052-900, Brazil (corresponding author).
2. Professor, Graduate Program in Civil and Environmental Engineering, Universidade de Passo Fundo, Passo Fundo, RS 99052-900, Brazil.
3. Professor, Graduate Program in Environmental Science and Technology, Universidade Federal da Fronteira Sul, Erechim, RS 99700-000, Brazil.