Droughts and aridity in northeast Brazil. MAUSAM, [S. l.], v. 48, n. 1, p. 45–54, 1997. DOI: 10.54302/mausam.v48i1.3927. Disponível em: https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/3927. Acesso em: 22 dec. 2025.