Novel insights into the post-IR IRSL<sub>200</sub> signal bleachability of single-grain K-feldspars in fluvial modern analogues  from the Southern Central Andes, Chile

Biswas, Arindam; Riedesel, Svenja; Karman-Besson, Louise; Hellers, Max; Guyez, Anne; Bonnet, Stéphane; Reimann, Tony

doi:10.5194/gchron-8-297-2026

Articles | Volume 8, issue 2

https://doi.org/10.5194/gchron-8-297-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gchron-8-297-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 8, issue 2

Research article

|

27 May 2026

Research article |

| 27 May 2026

Novel insights into the post-IR IRSL₂₀₀ signal bleachability of single-grain K-feldspars in fluvial modern analogues from the Southern Central Andes, Chile

Arindam Biswas, Svenja Riedesel, Louise Karman-Besson, Max Hellers, Anne Guyez, Stéphane Bonnet, and Tony Reimann

Related authors

A database-driven research data framework for integrating and processing high-dimensional geoscientific data

Dennis Handy, W. Marijn van der Meij, Mirijam Zickel, and Tony Reimann

Geosci. Instrum. Method. Data Syst., 15, 165–181, https://doi.org/10.5194/gi-15-165-2026,https://doi.org/10.5194/gi-15-165-2026, 2026

Short summary

Geomorphological activity and stability of surfaces and soils formed in hyperarid alluvial deposits (Atacama Desert, Chile)

Linda Andrea Elisabeth Maßon, Simon Matthias May, Svenja Riedesel, Willem Marijn van der Meij, Stephan Opitz, Andreas Peffeköver, and Tony Reimann

EGUsphere, https://doi.org/10.5194/egusphere-2025-5895,https://doi.org/10.5194/egusphere-2025-5895, 2025

Short summary

How much K is OK? Evaluating different methods for K-concentration determination and the effect of the internal K concentration on feldspar luminescence dating

Linda A. E. Maßon, Svenja Riedesel, Stephan Opitz, Anja Zander, Anthony Bell, Hanna Cieszynski, and Tony Reimann

Geochronology, 7, 475–492, https://doi.org/10.5194/gchron-7-475-2025,https://doi.org/10.5194/gchron-7-475-2025, 2025

Short summary

A direct comparison of single-grain and multi-grain aliquot luminescence dating of feldspars from colluvial deposits in KwaZulu-Natal, South Africa

Svenja Riedesel, Guillaume Guérin, Kristina J. Thomsen, Mariana Sontag-González, Matthias Blessing, Greg A. Botha, Max Hellers, Gunther Möller, Andreas Peffeköver, Christian Sommer, Anja Zander, and Manuel Will

Geochronology, 7, 59–81, https://doi.org/10.5194/gchron-7-59-2025,https://doi.org/10.5194/gchron-7-59-2025, 2025

Short summary

Mixed Signals: interpreting mixing patterns of different soil bioturbation processes through luminescence and numerical modelling

W. Marijn van der Meij, Svenja Riedesel, and Tony Reimann

SOIL, 11, 51–66, https://doi.org/10.5194/soil-11-51-2025,https://doi.org/10.5194/soil-11-51-2025, 2025

Short summary

Cited articles

Aceituno, P., Boisier, J. P., Garreaud, R., Rondanelli, R., Rutllant, J. A.: Climate and Weather in Chile, in: Fernández, B., Gironás, J. (eds) Water Resources of Chile, World Water Resources, vol. 8, Springer, Cham. https://doi.org/10.1007/978-3-030-56901-3_2, 2021.

Alexanderson, H. and Murray, A. S.: Luminescence signals from modern sediments in a glaciated bay, NW Svalbard, Quat. Geochronol., 10, 250–256, https://doi.org/10.1016/j.quageo.2012.01.001, 2012.

Bateman, M. D.: Luminescence dating of periglacial sediments and structures, Boreas, 37, 574–588, https://doi.org/10.1111/j.1502-3885.2008.00050.x, 2008.

Biswas, A., Riedesel, S., Karman-Besson, L., Hellers, M., Guyez, A., Bonnet, S., and Reimann, T.: Novel insights into the post-IR IRSL200 signal bleachability of single-grain K-feldspars in fluvial modern analogues from the Southern Central Andes, Chile, Zenodo [data set], https://doi.org/10.5281/zenodo.19971385, 2026.

Bonnet, S., Reimann, T., Wallinga, J., Lague, D., Davy, P., and Lacoste, A.: Landscape dynamics revealed by luminescence signals of feldspars from fluvial terraces, Sci. Rep., 9, 8569, https://doi.org/10.1038/s41598-019-44533-4, 2019.