This manuscript is a preprint, it has been submitted for publication in Catena. The manuscript has not undergone peer-review. Subsequent versions could present differences. If accepted, the final version of this manuscript will be available via the “Peer-reviewed Publication DOI” link on the right hand side of this webpage. Please feel free to contact the authors, feedback is welcome. this manuscript is a preprint Artificial and natural radionuclides in cryoconite as tracers of supraglacial dynamics Giovanni Baccolo1,2*, Massimiliano Nastasi2,3, Dario Massabò4,5, Caroline Clason6, Biagio Di Mauro1, Elena Di Stefano1,2,7, Edyta Łokas8, Paolo Prati4,5, Ezio Previtali2,3, Nozomu Takeuchi9, Barbara Delmonte1,2, Valter 5 Maggi1,2 1. Environmental and Earth Sciences Department, University of Milano-Bicocca, P.za della Scienza n.1, Milano, 20126, Italy 2. INFN section of Milano-Bicocca, P.za della Scienza n.3, Milano, 20126, Italy 3. Physics Department, University of Milano-Bicocca, P.za della Scienza n.3, Milano, 20126, Italy 10 4. Physics Department, University of Genova, Genova, 16146, Italy 5. INFN section of Genova, Genova, 16146, Italy 6. School of Geography, Earth and Environmental Sciences, University of Plymouth, Plymouth, PL48AA, UK 7. Department of Physical, Earth and Environmental Sciences, University of Siena, Siena, 53100, Italy 15 8. Department of Mass Spectrometry, Institute of Nuclear Physics Polish Academy of Sciences, Kraków, 31-342, Poland 9. Department of Earth Sciences, Graduate School of Science, Chiba University, Chiba, Japan * corresponding author:
[email protected] 20 Abstract Cryoconite, a sediment found on the surface of glaciers, is known for its ability to accumulate radionuclides.