Journal
JOURNAL OF MAPS
Volume 17, Issue 2, Pages 301-313Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/17445647.2021.1920056
Keywords
Geomorphological mapping; Structure from Motion photogrammetry; Iceland; debris-free glacier; debris-covered glacier; rock glacier
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Funding
- project Banco Santander-UCM [PR108/20-20]
- NILS Mobility Program (EEA Grants)
- Fundacao para a Ciencia e a Tecnologia, Portugal [02/SAICT/2017-32002]
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The aim of this study is to map the Heoinsdalsjokull foreland in northern Iceland in detail, combining traditional hand-drawn and digital mapping techniques, utilizing Structure from Motion (SfM) photogrammetry and generating a photorealistic 3D view to present the complexity and diversity of landforms in the foreland.
The objective of this work is to conduct a detailed mapping of the Heoinsdalsjokull foreland, northern Iceland (65 degrees 39'N, 18 degrees 55'W). This cirque currently shows a variety of glacial and periglacial landforms derived from a complex deglaciation. Mapping was performed combining traditional hand-drawn and digital mapping. A hand-drawn sketch was georeferenced in ArcMap 10.7.1, supported on an aerial photograph (year 2000). Its vectorization, symbolization and final design were done in the computer-aided design (CAD) software MicroStation Connect. Complementary high-resolution Digital Surface Models were obtained from historical aerial photographs and ground-view field photographs through the application of Structure from Motion (SfM) photogrammetry. To improve the topographic expression of the geomorphological map, a photorealistic 3D view has been generated. The final map highlights the complexity of the foreland and the coexistence existence of a range of different units and landforms. The map will ease future studies on the transformation of receding glaciers.
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