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Seasonal hydrological and suspended sediment transport dynamics and their future modelling in the Orwell Glacier proglacial stream, Signy Island, Antarctica

Stott, Tim; Convey, Peter ORCID: https://orcid.org/0000-0001-8497-9903. 2021 Seasonal hydrological and suspended sediment transport dynamics and their future modelling in the Orwell Glacier proglacial stream, Signy Island, Antarctica. Antarctic Science, 33 (2). 192-212. https://doi.org/10.1017/S0954102020000607

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Abstract/Summary

Climate change in the Antarctic over the past 50+ years has caused contraction of ice and snow cover, longer melt seasons and intensified glacier melting. These changes affect erosion and sediment redistribution processes that are vital to our understanding of terrestrial and freshwater ecosystems and sediment input to oceans. This 79 day study of the Orwell Glacier meltwater stream on Signy Island (5 December 2019–21 February 2020) used 5 min recordings of turbidity, stream discharge (Q) and air temperature (AT), supplemented by 454 water samples from which suspended sediment concentration (SSC) was gravimetrically determined, to calculate daily suspended sediment loads (SSLs).

Item Type: Publication - Article
Digital Object Identifier (DOI): https://doi.org/10.1017/S0954102020000607
ISSN: 0954-1020
Additional Keywords: climate change, glacial hydrology, sediment load
Date made live: 02 Dec 2020 09:45 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/527295

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