Abstract
ABSTRACTThe recent development of unmanned aerial vehicles (UAVs) has been increasing the number of technical solutions that can be used to monitor and map the effects of natural hazards. UAVs are generally cheaper and more versatile than traditional remote-sensing techniques, and they can be therefore considered as a good alternative for the acquisition of imagery and other physical parameters before, during and after a natural hazard event. This is an important added value especially for investigations over small areas (few km2). In the special issue ‘The use of Unmanned Aerial Vehicles in monitoring application and management of natural hazards’, we collected a number of case studies, aiming at providing a range of applications of monitoring and management of natural hazards assessed through the use of UAVs.
Highlights
In recent times, the use of spaceborne and airborne remote-sensing data has become a common practice to study natural hazards
unmanned aerial vehicles (UAVs) present various advantages, including: (1) the ability to fly at low altitudes, (2) the ability to reach remote locations and capturing high resolution images, (3) the capability to host different sensors, (4) the possibility to acquire imagery with different angles and (5) the flexibility of carrying out small, medium and large scale monitoring operations
One of the most useful characteristic of UAVs is the possibility to acquire on demand a data-set of a limited area (Koeva et al 2016)
Summary
The use of spaceborne and airborne remote-sensing data has become a common practice to study natural hazards. UAVs present various advantages, including: (1) the ability to fly at low altitudes (less than 150 m above ground level), (2) the ability to reach remote locations and capturing high resolution images, (3) the capability to host different sensors (cameras, laser scanners, navigation/inertial sensors, etc.), (4) the possibility to acquire imagery with different angles and (5) the flexibility of carrying out small, medium and large scale monitoring operations. For these reasons, UAV platforms are commonly used for assistance and management of emergencies. The articles focus on: (1) data acquisition of pre- and post-environmental/geomorphological events; (2) operational support during emergencies due to a catastrophic event and (3) monitoring of damages in critical infrastructures
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