Rockfall Mapping and Monitoring Across the Kalymnos Sport Rock Climbing Sites, Based on Ultra-High-Resolution Remote Sensing Data and Integrated Simulations

Emmanuel Vassilakis (), Aliki Konsolaki, Konstantinos Soukis, Sofia Laskari, Evelina Kotsi, John Lialiaris and Efthymios Lekkas
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Emmanuel Vassilakis: Department of Geology and Geoenvironment, School of Science, National and Kapodistrian University of Athens, 15784 Athens, Greece
Aliki Konsolaki: Department of Geology and Geoenvironment, School of Science, National and Kapodistrian University of Athens, 15784 Athens, Greece
Konstantinos Soukis: Department of Geology and Geoenvironment, School of Science, National and Kapodistrian University of Athens, 15784 Athens, Greece
Sofia Laskari: Department of Geology and Geoenvironment, School of Science, National and Kapodistrian University of Athens, 15784 Athens, Greece
Evelina Kotsi: Department of Geology and Geoenvironment, School of Science, National and Kapodistrian University of Athens, 15784 Athens, Greece
John Lialiaris: Geodesign PPC, 12134 Peristeri, Greece
Efthymios Lekkas: Department of Geology and Geoenvironment, School of Science, National and Kapodistrian University of Athens, 15784 Athens, Greece

Land, 2024, vol. 13, issue 11, 1-20

Abstract: This manuscript presents a multidisciplinary study that proposes a methodology for delineating and categorizing vulnerability at rockfall risk areas to avoid human injuries and infrastructure damage caused by rockfalls. The presented workflow includes (i) classical geological mapping, (ii) the interpretation of high-resolution satellite data for observing the spatial distribution of fallen boulders, (iii) analytical hierarchy processing of spatial information within a Geographical Information System (GIS) platform, (iv) close-range remote sensing campaigns with Unmanned Aerial Systems (UASs), and (v) integrated simulation of rockfall events. This methodology was applied to Kalymnos Island, which belongs to the Dodecanese Islands complex of the southeastern Aegean Sea in Greece. It is characterized by unique geomorphological features, including extensive vertical limestone cliffs that span the island. These cliffs make it one of the world’s most densely concentrated areas for sport climbing. The results highlighted the areas that the local authorities need to focus on and suggested measures for increasing the safety of climbers and infrastructure.

Keywords: Unmanned Aerial Systems; Structure-from-Motion; WorldView-3; analytical hierarchy processing; GIS (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2024
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