In this region, the hydrological regime of intermittent streams and torrents is expected to become more extreme (higher peak flows but also no flow periods) due to the more intense rainfalls falling in shorter periods of time. One of the most vulnerable regions to climate change is the Mediterranean. Specifically, their frequency and magnitude will be increased due to more extreme weather events caused by climate change such as extreme rainfall events. As flash floods are weather-related events (primarily the results of intense rainfall events), they are expected to be affected by climate change.
#City of lies torrent torrent#
Flash floods are among the most dangerous natural disasters as they cause rapid torrential waters to flow in torrent and stream channels and cover the surrounding floodplains. In the Mediterranean region, these are primarily caused by flash floods. Of major interest are stream bed and stream bank changes and flood debris events as they can alter the channel flow path and cause major infrastructure failures. Their utilization would help water managers to develop more sustainable management solutions based on actual field data.įluvio-geomorphological events can be very sudden and episodic, indicating that new innovative methods need to be utilized for their more effective recording and monitoring. Utilizing UAV images shows great potential to capture, record, and monitor fluvio-geomorphological events and riparian vegetation.
In addition, the results on the assessment of riparian vegetation conditions were satisfactory. The orthomosaics clearly identified changes in the torrent bed and detected debris flow events after major flood events. Based on the images collected from these flights, orthomosaics were developed. Three flights were conducted using the DJI Spark UAV.
In addition, a novel approach to detecting changes and assessing the conditions of the riparian vegetation was conducted by using UAV images that were validated with field data based on a visual protocol. The aim of this study was to capture and record the fluvial-geomorphological changes of the torrent bed and banks and flood debris events with the use of UAV images along a reach of Kallifytos torrent in northern Greece. Climate change is expected to increase flash floods intensity and frequency in the Mediterranean region, thus enhancing such events will also impact the adjacent riparian vegetation. Capturing and recording fluvio-geomorphological events is essential since these events can be very sudden and hazardous.
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