1. Departamento de Física, Universidade Federal do Paraná, 81531-980 Curitiba, Brazil
2. Instituto de Engenharia, Ciência e Tecnologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 39440-000 Janaúba, Brazil
3. Potsdam Institute for Climate Impact Research - Telegraphenberg A 31, 14473 Potsdam, Germany
4. Department of Physics, Humboldt University Berlin, 12489 Berlin, Germany