Articles | Volume 12, issue 6
https://doi.org/10.5194/esurf-12-1391-2024
https://doi.org/10.5194/esurf-12-1391-2024
Research article
 | 
12 Dec 2024
Research article |  | 12 Dec 2024

Landscape response to tectonic deformation and cyclic climate change since ca. 800 ka in the southern central Andes

Elizabeth N. Orr, Taylor F. Schildgen, Stefanie Tofelde, Hella Wittmann, and Ricardo N. Alonso

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Cited articles

Allen, P. A.: Time scales of tectonic landscapes and their sediment routing systems, Geological Society, London, Special Publications, 296, 7–28, https://doi.org/10.1144/SP296.2, 2008. 
Alonso, R. N.: Estratigrafía del Cenozoico de la cuenca de Pastos Grandes (Puna Salteña) con énfasis en la Formación, Revista de la Asociación Geológica Argentina, 47, 189–199, 1992. 
Alonso, R. N., Bookhagen, B., Carrapa, B., Coutand, I., Haschke, M., Hilley, G. E., Schoenbohm, L., Sobel, E. R., Strecker, M. R., Trauth, M. H., and Villanueva, A.: Tectonics, climate, and landscape evolution of the southern central Andes: the Argentine Puna Plateau and adjacent regions between 22 and 30° S, The Andes: Active Subduction Orogeny, 265–283, https://doi.org/10.1007/978-3-540-48684-8_12, 2006. 
Armitage, J. J., Dunkley Jones, T., Duller, R. A., Whittaker, A. C., and Allen, P. A.: Temporal buffering of climate-driven sediment flux cycles by transient catchment response, Earth Planet. Sc. Lett., 369–370, 200–210, https://doi.org/10.1016/j.epsl.2013.03.020, 2013. 
Baker, P. A. and Fritz, S. C.: Nature and causes of Quaternary climate variation of tropical South America, Quaternary Sci. Rev., 124, 31–47, https://doi.org/10.1016/j.quascirev.2015.06.011, 2015. 
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Short summary
Fluvial terraces and alluvial fans in the Toro Basin, NW Argentina, record river evolution and global climate cycles over time. Landform dating reveals lower-frequency climate cycles (100 kyr) preserved downstream and higher-frequency cycles (21/40 kyr) upstream, supporting theoretical predications that longer rivers filter out higher-frequency climate signals. This finding improves our understanding of the spatial distribution of sedimentary paleoclimate records within landscapes.