Professor David Evans d.j.a.evans@durham.ac.uk
Professor
The glaciated valley landsystem of Morsárjökull, southeast Iceland
Evans, D.J.A.; Ewertowski, M.; Orton, C.
Authors
M. Ewertowski
C. Orton
Abstract
A 1:4470 map of the Morsárjökull foreland, southern Iceland shows the spatial distribution of post Little Ice Age glacial sediment–landform associations pertaining to the operation of a typical active temperate outlet glacier of the south Vatnajökull ice cap. The map depicts an exemplar for the debris-charged glaciated valley landsystem, with characteristics further indicative of ‘uncovered alpine glaciers’, such as the uneven distribution of moraine volume, the localized appearance of a fluted subglacial bed and within-valley lateral moraine asymmetry. Such glaciers are characterized by strong glacier-climate coupling, because temporally and spatially sporadic rock avalanche-type medial moraines can only locally retard ablation. This morainic debris also has a short residence time in the glacier system due to its strong coupling with the proglacial fluvial system and resulting in efficient sediment transfer. Areas of more substantial latero-frontal moraine document phases of rock slope failure onto the snout and the passage of the debris to the ice margin.
Citation
Evans, D., Ewertowski, M., & Orton, C. (2017). The glaciated valley landsystem of Morsárjökull, southeast Iceland. Journal of Maps, 13(2), 909-920. https://doi.org/10.1080/17445647.2017.1401491
Journal Article Type | Article |
---|---|
Acceptance Date | Nov 2, 2017 |
Online Publication Date | Nov 16, 2017 |
Publication Date | Nov 16, 2017 |
Deposit Date | Jan 11, 2018 |
Publicly Available Date | Mar 29, 2024 |
Journal | Journal of Maps |
Publisher | Taylor and Francis Group |
Peer Reviewed | Peer Reviewed |
Volume | 13 |
Issue | 2 |
Pages | 909-920 |
DOI | https://doi.org/10.1080/17445647.2017.1401491 |
Files
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Copyright Statement
© 2017 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group on behalf of Journal of Maps
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted
use, distribution, and reproduction in any medium, provided the original work is properly cited.
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