Articles | Volume 19, issue 2
https://doi.org/10.5194/cp-19-457-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-19-457-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
20 Feb 2023
Research article |
| 20 Feb 2023
| 20 Feb 2023
Drought increase since the mid-20th century in the northern South American Altiplano revealed by a 389-year precipitation record
Mariano S. Morales
CORRESPONDING AUTHOR
Laboratorio de Dendrocronología, Universidad Continental,
Huancayo, 12000, Peru
Instituto Argentino de Nivología, Glaciología y Ciencias
Ambientales, CONICET, Mendoza, 5500, Argentina
Doris B. Crispín-DelaCruz
Laboratorio de Dendrocronología, Universidad Continental,
Huancayo, 12000, Peru
Programa de Pós-Graduação em Ciências Florestais, Universidade Federal Rural de Pernambuco, Recife, 52171-900, Brazil
Claudio Álvarez
Laboratorio de Dendrocronología y Cambio Global, Instituto de
Conservación Biodiversidad y Territorio, Universidad Austral de Chile,
Valdivia, 5110566, Chile
Escuela de Graduados, Facultad de Ciencias Forestales y Recursos
Naturales, Universidad Austral de Chile, Valdivia, 5110566, Chile
Center for Climate and Resilience Research (CR), Santiago,
9160000, Chile
Duncan A. Christie
Laboratorio de Dendrocronología y Cambio Global, Instituto de
Conservación Biodiversidad y Territorio, Universidad Austral de Chile,
Valdivia, 5110566, Chile
Center for Climate and Resilience Research (CR), Santiago,
9160000, Chile
Cape Horn International Center (CHIC), Punta Arenas, 6200000, Chile
M. Eugenia Ferrero
Laboratorio de Dendrocronología, Universidad Continental,
Huancayo, 12000, Peru
Instituto Argentino de Nivología, Glaciología y Ciencias
Ambientales, CONICET, Mendoza, 5500, Argentina
Laia Andreu-Hayles
Lamont–Doherty Earth Observatory of Columbia University, New York,
NY 10964, United States
CREAF, Bellaterra (Cerdanyola del Vallés), 08193 Barcelona,
Spain
ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Spain
Ricardo Villalba
Instituto Argentino de Nivología, Glaciología y Ciencias
Ambientales, CONICET, Mendoza, 5500, Argentina
Anthony Guerra
Facultad de Ciencias Forestales y del Medio Ambiente, Universidad
Nacional del Centro del Perú, Huancayo, 12006, Peru
Departamento de Biologia, Instituto de Ciências Naturais, Universidade Federal de Lavras, Lavras, 37203-202, Brazil
Ginette Ticse-Otarola
Laboratorio de Dendrocronología, Universidad Continental,
Huancayo, 12000, Peru
Programa de Investigación de Ecología y Biodiversidad, Asociación ANDINUS, Huancayo, 12002, Peru
Ernesto C. Rodríguez-Ramírez
Laboratorio de Dendrocronología, Universidad Continental,
Huancayo, 12000, Peru
Rosmery LLocclla-Martínez
Laboratorio de Dendrocronología, Universidad Continental,
Huancayo, 12000, Peru
Joali Sanchez-Ferrer
Laboratorio de Dendrocronología, Universidad Continental,
Huancayo, 12000, Peru
Edilson J. Requena-Rojas
Laboratorio de Dendrocronología, Universidad Continental,
Huancayo, 12000, Peru
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Short summary
In this study, we develop the first tree-ring-based precipitation reconstruction for the northern South American Altiplano back to 1625 CE. We established that the occurrence rate of extreme dry events together with a shift in mean dry conditions for the late 20th–beginning of the 21st century is unprecedented in the past 389 years, consistent with other paleoclimatic records. Our reconstruction provides valuable information about El Niño–Southern Oscillation influences on local precipitation.
In this study, we develop the first tree-ring-based precipitation reconstruction for the...
