Kavan, J, Hrbáček, F and Stringer, CD orcid.org/0000-0002-2902-9435 (2023) Proglacial streams runoff dynamics in Devil´s Bay, Vega Island, Antarctica. Hydrological Sciences Journal, 68 (7). pp. 967-981. ISSN 0262-6667
Abstract
Increasing temperatures in Antarctica have resulted in the enlargement of proglacial regions on the Antarctic Peninsula, following glacier melt. This melt has increased river activity yet direct runoff measurements remain scarce in Antarctica, despite it acting as a proxy for glacial ablation. Here, we present discharge and water temperature data from 2013 for three streams on Vega Island and discuss their relationship with air temperature. The average discharge at the largest stream was 0.523 m3s−1 with a maximum of 5.510 m3s−1 – among the highest recorded in Antarctica. The rivers continued to flow even when temperatures dropped to −7°C, indicating that a large proportion of the total runoff originated sub-glacially. This is supported by the one-day time lag between air and water temperatures. Using river discharge as a proxy, we measured 124.5 ± 14.4 mm w.e. of ablation. This indirect measurement proved an effective tool to complement classic glaciological observations.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2023 The Author(s). This is an open access article under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits unrestricted use, distribution and reproduction in any medium, provided the original work is properly cited. |
Keywords: | runoff, water temperature, glaciers, eastern Antarctic Peninsula, atmospheric conditions |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Environment (Leeds) > School of Geography (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 14 Jun 2023 10:25 |
Last Modified: | 14 Jun 2023 10:25 |
Status: | Published |
Publisher: | Taylor & Francis |
Identification Number: | 10.1080/02626667.2023.2195559 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:200427 |
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