Articles | Volume 18, issue 6
https://doi.org/10.5194/tc-18-2865-2024
https://doi.org/10.5194/tc-18-2865-2024
Research article
 | 
21 Jun 2024
Research article |  | 21 Jun 2024

Temporal markers in a temperate ice core: insights from 3H and 137Cs profiles from the Adamello Glacier

Elena Di Stefano, Giovanni Baccolo, Massimiliano Clemenza, Barbara Delmonte, Deborah Fiorini, Roberto Garzonio, Margit Schwikowski, and Valter Maggi

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Cited articles

Avak, S. E., Schwikowski, M., and Eichler, A.: Impact and implications of meltwater percolation on trace element records observed in a high-Alpine ice core, J. Glaciol., 64, 877–886, 2018. a
Baccolo, G., Łokas, E., Gaca, P., Massabò, D., Ambrosini, R., Azzoni, R. S., Clason, C., Di Mauro, B., Franzetti, A., Nastasi, M., Prata, M., Prati, P., Previtali, E., Delmonte, B., and Maggi, V.: Cryoconite: an efficient accumulator of radioactive fallout in glacial environments, The Cryosphere, 14, 657–672, https://doi.org/10.5194/tc-14-657-2020, 2020. a
Bossew, P., Ditto, M., Falkner, T., Kienzl, K., and Rappelsberger, U.: Contamination of Austrian soil with caesium-137, J. Environ. Radioact., 55, 187–194, 2001. a
Clemenza, M., Cucciati, G., Maggi, V., Pattavina, L., and Previtali, E.: Radioactive fallouts as temporal makers for glacier ice cores dating, Eur. Phys. J. Plus, 127, 1–8, 2012. a, b, c
Currie, L. A.: Limits for qualitative detection and quantitative determination. Application to radiochemistry, Anal. Chem., 40, 586–593, 1968. a, b
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Rising temperatures are impacting the reliability of glaciers as environmental archives. This study reports how meltwater percolation affects the distribution of tritium and cesium, which are commonly used as temporal markers in dating ice cores, in a temperate glacier. Our findings challenge the established application of radionuclides for dating mountain ice cores and indicate tritium as the best choice.
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