Geomorphology of Ulu Peninsula, James Ross Island, Antarctica

Stephen J. A. Jennings, Bethan J. Davies, Daniel Nývlt, Neil F. Glasser, Zbyněk Engel, Filip Hrbáček, Jonathan L. Carrivick, Bedřich Mlčoch and Michael J. Hambrey

Journal of Maps, 2021, vol. 17, issue 2, 125-139

Abstract: This study presents a 1:25,000 geomorphological map of the northern sector of Ulu Peninsula, James Ross Island, Antarctic Peninsula. The map covers an area of c. 250 km2, and documents the landforms and surficial sediments of one of the largest ice-free areas in Antarctica, based on remote sensing and field-based mapping. The large-scale landscape features are determined by the underlying Cretaceous sedimentary and Neogene volcanic geology, which has been sculpted by overlying ice masses during glacial periods. Paraglacial and periglacial features are superimposed upon remnant glacial features, reflecting the post-glacial evolution of the landscape. The study area can be broadly separated into three geomorphological sectors, according to the dominant contemporary Earth-surface processes; specifically, a glacierised southern sector, a paraglacial-dominated eastern sector, and a periglacial-dominated central/northern sector. This map provides a basis for further interdisciplinary research, and insight into the potential future landscape evolution of other parts of the Antarctic Peninsula as the climate warms.

Date: 2021
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DOI: 10.1080/17445647.2021.1893232

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