Analiza hudourniških in erozijskih procesov z uporabo posnetkov brezpilotnih letalnikov
The unmanned aerial vehicles technology is the technology that is becoming increasingly more important in monitoring torrential and erosion processes. Therefore, this article presents the use of unmanned aerial vehicles for monitoring both torrent flows (the area of Suhi potok torrent in Zadnja Trenta) and erosion processes (rockfall above the village Belca). Both study sites were surveyed using DJI Phantom 3 Pro and DJI Mavic Air, while GNNS receiver Leica Zeno 20 and Leica GG04 Smart Antenna were used for determining the locations of ground control points, and Pix4DMapper program was used for the point clouds extraction. The accuracy of the georeferenced point clouds was lower than 0.016 m (RMSE). The river-bed elevation of the Suhi potok torrent has increased by an area of 1.01 ha (on average by 0.31 m) and decreased by an area of 1.31 ha (on average by 0.39m) between years 2014 and 2018. Comparing the digital terrain models before (DMR_0) and after (DMR_1) the Belca rockfall, it can be concluded that 27068 m3 rock material was detached in the rockfall event; 18144 m3 in the first observed area, and 8924 m3 in the second observed area. We considered only areas where the change in elevation was larger than 0.1 m. The use of unmanned aerial vehicles is becoming more common both in studying torrential and erosion processes, as well as in planning protection measures and rescuing process in case of various natural hazards.
2019
2019-02-21 14:37:28
1060
brezpilotni letalniki, slikovno ujemanje, digitalni model reliefa, hudourniki, erozija
unmanned aerial vehicles, image matching, digital terrain model, torrent, erosion
r6
Milan
Kobal
70
UDK
4
630*42+630*58(045)=163.6
ISSN pri članku
9
0017-2723
COBISS_ID
3
5312934
OceCobissID
13
3736834
GV_2019_st_1_final_KobalM.pdf
448439
Predstavitvena datoteka
2019-02-21 14:38:11