Articles | Volume 15, issue 3
The Cryosphere, 15, 1383–1397, 2021
https://doi.org/10.5194/tc-15-1383-2021
The Cryosphere, 15, 1383–1397, 2021
https://doi.org/10.5194/tc-15-1383-2021
Research article
16 Mar 2021
Research article | 16 Mar 2021

Giant dust particles at Nevado Illimani: a proxy of summertime deep convection over the Bolivian Altiplano

Filipe G. L. Lindau et al.

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Information about the past climate variability in tropical South America is stored in the snow layers of the tropical Andean glaciers. Here we show evidence that the presence of very large aeolian mineral dust particles at Nevado Illimani (Bolivia) is strictly controlled by the occurrence of summer storms in the Bolivian Altiplano. Therefore, based on the snow dust content and its composition of stable water isotopes, we propose a new proxy for information on previous summer storms.