1. Department of Physics and Chemistry, School of Engineering, São Paulo State University (UNESP), Ilha Solteira, SP 15385-000, Brazil
2. Natural Resources Program, Center for Natural Resources Studies (CERNA), Mato Grosso do Sul State University (UEMS), Dourados, Mato Grosso do Sul 79804-970, Brazil
3. Department of Environmental Engineering, Institute of Science and Technology (ICTS), São Paulo State University (UNESP), Sorocaba, SP 18087-180, Brazil