Articles | Volume 22, issue 1
https://doi.org/10.5194/hess-22-509-2018
https://doi.org/10.5194/hess-22-509-2018
Research article
 | 
22 Jan 2018
Research article |  | 22 Jan 2018

Temperature signal in suspended sediment export from an Alpine catchment

Anna Costa, Peter Molnar, Laura Stutenbecker, Maarten Bakker, Tiago A. Silva, Fritz Schlunegger, Stuart N. Lane, Jean-Luc Loizeau, and Stéphanie Girardclos

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Latest update: 28 Mar 2024
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Short summary
We explore the signal of a warmer climate in the suspended-sediment dynamics of a regulated and human-impacted Alpine catchment. We demonstrate that temperature-driven enhanced melting of glaciers, which occurred in the mid-1980s, played a dominant role in suspended sediment concentration rise, through increased runoff from sediment-rich proglacial areas, increased contribution of sediment-rich meltwater, and increased sediment supply in proglacial areas due to glacier recession.