Abstract
Kuningan Regency is one of the districts in West Java Province with a high rate of landslide events, especially in the southern part where its hilly landscape is dominated with a steep slope. Due to its vulnerability because of cracked soil after the landslide events, landslide locations in Kuningan Regency might only be safe if surveyed using the unmanned aerial vehicle (UAV). Therefore, in this study, DJI Phantom 4 Pro was flown to capture images of landslide locations with a 10 cm spatial resolution. Image processing was conducted to generate Orthophoto and Digital Surface Model (DSM) to give information about the direction and area of landslides. Two sub-districts where landslides occurred, namely Darma and Selajambe, were chosen for landslide mapping using UAV. Results show that in Darma Sub-district, the landslide area is approximately 7,026 m2, while in Selajambe Sub-district is around 8,699 m2. The study results are very useful to analyze the factors affecting landslide events such as slope.
Highlights
Landslide is a type of natural disaster that usually occurs in mountainous areas [1]
Landslide is defined as movements of soil mass, rocks or materials sliding down the slope [2]
Kuningan Regency is situated in the eastern part of West Java Province with an area of around 119,571.12 hectares
Summary
Landslide is a type of natural disaster that usually occurs in mountainous areas [1]. Landslide is defined as movements of soil mass, rocks or materials sliding down the slope [2]. Landslide is a downslope movement of rock or soil, or both, occurring on the surface of ruptureeither curved (rotational slide) or planar (translational slide) rupture-in which much of the material often moves as a coherent or semi coherent mass [3]. Landslide occurs because of the unbalance of 2 forces gripping on the slopes, namely the retaining force and the sliding force [5]. Kuningan Regency is one of several districts in West Java with a high rate of landslide events, especially when entering the early rainy season. This paper aims to map the locations of the landslides in Kuningan Regency using UAV
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