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The glaciated valley landsystem of Morsárjökull, southeast Iceland.

Evans, D.J.A. and Ewertowski, M. and Orton, C. (2017) 'The glaciated valley landsystem of Morsárjökull, southeast Iceland.', Journal of maps., 13 (2). pp. 909-920.

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.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1080/17445647.2017.1401491
Publisher 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.
Date accepted:02 November 2017
Date deposited:12 January 2018
Date of first online publication:16 November 2017
Date first made open access:12 January 2018

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