Drought increased since the mid-20th century in the northern South American Altiplano revealed by a 389-year precipitation record. - Morales, Mariano S.; Crispin De La Cruz, Doris B.; Álvarez, Claudio; Christie, Duncan A.; Ferrero, Eugenia; Andreu-Hayles, Laia; Villalba, Ricardo; Guerra, Anthony; Ticse-Otarola, Ginette; Rodríguez-Ramírez, Ernesto; LLocclla Martinez, Rosmery; Sanchez-Ferrer, Joali; et al. (Climate of the Past Discussions, 2022)