Dear Colleagues,

Human activities leave ineffaceable traces in the environment. Mankind can learn from the environmental degradation caused by the over-exploitation of natural resources, as well as from the wisdom and endeavours of ancestors who originated sophisticated constructions delivering benefits to human society and natural environment (irrigation systems, terraces, etc.). Human-induced hazards pose a daily risk to man-made properties, but they often remain unrecognized as hidden threats in forests.

Forested areas limit the use of remote sensing technologies. Dense vegetation floor and terrain constraints often cause the inaccessibility of the study site for aerial survey. Hence, terrestrial remote sensing technologies turn out to be an appropriate tool for gathering supplementary or missing data. Therefore, studies bringing a novelty to the mapping and monitoring of human-induced hazards and historical landforms within forest using terrestrial/mobile photogrammetry or laser scanning and other wearable reality capture systems providing accurate data are particularly welcome. Due to insufficient Global Navigation Satellite System (GNSS) signal transmission in forests, inventories using technologies integrating GNSS with Inertial Measurement Unit (IME), and simultaneous positioning and mapping algorithm (SLAM), or other novel approaches are also welcome. Furthermore, innovative ways for the fusion of terrestrial remote sensing methods with aerial or satellite data to improve the monitoring and mapping of human-induced hazards are another focus area of this special issue.

Human-induced hazards and historical landforms related to agricultural activities are of a prior interest. Nevertheless, the special issue is opened to all studies dealing with human-induced hazards and landforms in forests and extensively used agricultural environments (currently covered with successive vegetation). Their fast and low-cost detection has a high priority in territorial planning and decision-making processes.

Dr. Martina Slámová
Dr. Martin Mokroš
Dr. Grazia Tucci
Dr. Antonio Santoro
Dr. Martina Venturi
Dr. Csaba Centeri
Guest Editors

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• human-induced hazards
• landforms
• dense vegetation
• wearable reality capture systems
• terrestrial laser scanning
• close-range photogrammetry