Articles | Volume 18, issue 10
https://doi.org/10.5194/cp-18-2255-2022
© Author(s) 2022. 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-18-2255-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
14 Oct 2022
Research article |
| 14 Oct 2022
| 14 Oct 2022
Millennial variability of terrigenous transport to the central–southern Peruvian margin during the last deglaciation (18–13 kyr BP)
IRD, LOCEAN-IPSL, Laboratoire d'Océanographie et du Climat:
Expérimentation et Approches Numériques, Sorbonne Université,
CNRS, IRD, MNHN, Paris, France
Bruno Turcq
IRD, LOCEAN-IPSL, Laboratoire d'Océanographie et du Climat:
Expérimentation et Approches Numériques, Sorbonne Université,
CNRS, IRD, MNHN, Paris, France
Sandrine Caquineau
IRD, LOCEAN-IPSL, Laboratoire d'Océanographie et du Climat:
Expérimentation et Approches Numériques, Sorbonne Université,
CNRS, IRD, MNHN, Paris, France
Renato Salvatteci
Center for Ocean and Society, Kiel University, 24105 Kiel, Germany
José Solis
Laboratorio de Ciencias del Mar, Facultad de Ciencias y
Filosofía, Universidad Peruana Cayetano Heredia, Lima, Peru
C. Gregory Skilbeck
Faculty of Science, University of Technology Sydney, P.O. Box 123
Broadway, Sydney, NSW, 2007, Australia
Federico Velazco
Dirección General de Investigaciones Oceanográficas y de
Cambio Climático, Instituto del Mar del Perú, Callao, Peru
Dimitri Gutiérrez
Laboratorio de Ciencias del Mar, Facultad de Ciencias y
Filosofía, Universidad Peruana Cayetano Heredia, Lima, Peru
Dirección General de Investigaciones Oceanográficas y de
Cambio Climático, Instituto del Mar del Perú, Callao, Peru
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David Noncent, Abdelfettah Sifeddine, Evens Emmanuel, Marie-Helene Cormier, Francisco J. Briceño-Zuluaga, Mercedes Mendez-Milan, Bruno Turcq, Sandrine Caquineau, Jorge Valdés, Juan Pablo Bernal, John W. King, Irina Djouraev, Fethiye Cetin, and Heather Sloan
EGUsphere, https://doi.org/10.5194/egusphere-2022-537, https://doi.org/10.5194/egusphere-2022-537, 2022
Preprint archived
Short summary
Short summary
The objective of this study is to reconstruct the climatic variability in Haiti during the last millennium using mineralogical and geochemical composition. We also seek to understand climate mechanisms and modes that could explain this variability. The results showed that Haiti has experienced long progressively drier periods over the past millennium. The rainy or dry periods in Haiti are linked to the average changes in the temperature of the oceans: Atlantic and Pacific, through oscillations.
Romina Llanos, Patricia Moreira-Turcq, Bruno Turcq, Raúl Espinoza Villar, Yizet Huaman, Thomas Condom, and Bram Willems
Biogeosciences Discuss., https://doi.org/10.5194/bg-2022-47, https://doi.org/10.5194/bg-2022-47, 2022
Manuscript not accepted for further review
Short summary
Short summary
Our results highlight a marked decrease of high carbon accumulation rates in Andean peatlands over the last decades due to the diminution in melt water inflow generated by the retreat of glaciers as a consequence of regional warming. These marked changes stress the high ecological sensitivity of these peatlands, endangering their outstanding role in the regional (and even global) C cycle as large C sinks that contribute to the mitigation of global climate change.
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Short summary
In the present work we reconstruct changes in river discharge and wind in Peru during the last deglaciation to understand the mechanisms that modulate changes in precipitation and winds during a period of global warming. We found that changes in river discharge and wind intensity in Peru were sensitive to high-latitude forcing (changes in the intensity of the Atlantic Meridional Overturning Circulation) and Walker circulation variations on a millennial timescale, respectively.
In the present work we reconstruct changes in river discharge and wind in Peru during the last...
