Nice tree run with bumps, good on bad daysĭifficult Freeride Skiing Distance 562 m Ascent 0 m Descent 238 m Short route with steep parts and cliffs underneath the 8er Jet gondola.ĭifficult Freeride Skiing Distance 628 m Ascent 0 m Descent 268 m Moderate Freeride Skiing Distance 549 m Ascent 0 m Descent 257 m Nice route under the 8er Jet, OK in bad conditions This route is a good one for days with bad vis, when it's a little secret spot. Try to gain some speed at the end and follow the tracks back to the piste number 14, to go back to 8er Jet or to do some runs at the Pfaffenbühel T-Bar. There are some small rocks about 2 metres high on the slope, here you can take every single one if you choose to. After them you find a steep slope with a 250 metre descent. It's better to stay more on the right side here, because there it's easier to get down these couloirs. At the beginning of the slope you have some steep small couloirs with some trees around here at the top.

There is a wide open slope appearing on the left side, ski into it, before the red piste here gets steeper.

Take the 8er Jet to the top and follow piste number 13, past the 2000er chairlift bottom station, here the piste turns more to the left, follow it for 200 more metres. Finally, we evaluated the applicability of public safety for outputs of UAV photogrammetry and 3D point clouds derived from terrestrial LiDAR data to analyse and assess the risk of steep slope.This route is a good addition to the runs on the east side, when you want to go back to the bottom of the valley or if the weather conditions aren't that good. For collecting the more detailed geological data and analysing quantitatively damage of steep slopes (crack length, bedrock weathering area, etc.), we scanned steep slope area using terrestrial LiDAR system. First, we acquired the aerial imagery of steep slope site by small UAV and conducted a drone mapping process with the Pix4D software. This paper presents experimental results for risk assessment of steep slope using drone mapping and terrestrial LiDAR survey.

Particularly, Korea is very vulnerable to landslide disasters because more than 63% of the country is mountainous and it suffers from unpredictable localized heavy rainfall during monsoon season every year. Due to abnormal weather caused by climate change in recently years, natural disaster damages caused by local torrential rains have been increased over the world.

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