diff --git a/avaFilisur1/README.md b/avaFilisur1/README.md new file mode 100644 index 0000000..d411b55 --- /dev/null +++ b/avaFilisur1/README.md @@ -0,0 +1,48 @@ +# avaFilisur1 + +## Event [23022012_1] + +### Changelog +- V1 - Initial data assembly (05-12-2025) + +### General description +Based on Feistl et al. 2014 + +- Location: Filisur, Switzerland +- Date: 23.02.2012 +- Elevation: Release area at 1320 m a.s.l, runout at 1080 m a.s.l +- Slope Angle, release to runout: 50-25° +- Release Volume: 1080 m³ +- Terrain features (upper part/track/runout): channeled/unchanneled/unchanneled +- Forest strucure (upperpart/track/runout): no forest/open/dense + - approx. 300 stems/ha, tree groups with low-hanging branches + - mixed tree age +- Avalanche Type: wet snow avalanche +- Temperature (dry/moist/wet): wet +- Key Field Observations: + - Wedge-shaped deposits formed behind groups of trees and at branches low to the ground. + - Main stopping mechanism was "jamming" of snow between tree groups. + +### Available data +Source CRS: EPSG:21781 +Final CRS: EPSG:2056 + +- release area (avaFilisur1_release_area.gpkg) + - no documented thickness + - Feistl et al. 2014 used a standardized thickness of 1m for their modelling process +- forest area (avaFilisur1_forest_area.gpkg) + - polygons categorized based on their forest density: + - "open" + - "dense" +- deposition area (avaFilisur1_deposition_area.gpkg) + - no documented thickness +- measurement points (avaFilisur1_measurement_points.gpkg) + - measured snow heights in the area of interest + +A digital elevation model (DEM) can be found at: https://www.swisstopo.admin.ch/de/hoehenmodell-swissalti3d +- Use the DEM for the region "Bergün Filisur (GR) in 2x2m. +- If two tiles are necessary, don´t forget to merge them before modelling. + +### Data source +- General Description: Feistl, T., Bebi, P., Teich, M., Bühler, Y., Christen, M., Thuro, K., & Bartelt, P. (2014). Observations and modeling of the braking effect of forests on small and medium avalanches. Journal of Glaciology, 60(219), 124-138. +- Data Sources: provided by SLF Davos \ No newline at end of file diff --git a/avaFilisur1/avaFilisur1_deposition_area.gpkg b/avaFilisur1/avaFilisur1_deposition_area.gpkg new file mode 100644 index 0000000..5d75659 Binary files /dev/null and b/avaFilisur1/avaFilisur1_deposition_area.gpkg differ diff --git a/avaFilisur1/avaFilisur1_forest_area.gpkg b/avaFilisur1/avaFilisur1_forest_area.gpkg new file mode 100644 index 0000000..61d5e5c Binary files /dev/null and b/avaFilisur1/avaFilisur1_forest_area.gpkg differ diff --git a/avaFilisur1/avaFilisur1_measurement_points.gpkg b/avaFilisur1/avaFilisur1_measurement_points.gpkg new file mode 100644 index 0000000..5b0c6dc Binary files /dev/null and b/avaFilisur1/avaFilisur1_measurement_points.gpkg differ diff --git a/avaFilisur1/avaFilisur1_release_area.gpkg b/avaFilisur1/avaFilisur1_release_area.gpkg new file mode 100644 index 0000000..4398780 Binary files /dev/null and b/avaFilisur1/avaFilisur1_release_area.gpkg differ diff --git a/avaFilisur2/README.md b/avaFilisur2/README.md new file mode 100644 index 0000000..8b26d24 --- /dev/null +++ b/avaFilisur2/README.md @@ -0,0 +1,49 @@ +# avaFilisur2 + +## Event [23022012_2] + +### Changelog +- V1 - Initial data assembly (05-12-2025) + +### General description +Based on Feistl et al. 2014 + +- Location: Filisur, Switzerland +- Date: 23.02.2012 +- Elevation: Release area at 1360 m a.s.l, runout at 1058 m a.s.l +- Slope Angle, release to runout: 50-20° +- Release Volume: 1390 m³ +- Terrain features (upper part/track/runout): channeled/unchanneled/unchanneled +- Forest strucure (upperpart/track/runout): no forest/open/dense + - approx. 500 stems/ha, tree groups with low-hanging branches + - mixed tree age +- Avalanche Type: wet snow avalanche +- Temperature (dry/moist/wet): wet +- Key Field Observations: + - Most avalanche mass was stopped at the forest edges, resulting in large wedge-shaped deposits along the sides of the main flow channel. + - The main avalanche channel was largely open and not forested. + +### Available data +Source CRS: EPSG:21781 +Final CRS: EPSG:2056 + +- release area (avaFilisur2_release_area.gpkg) + - no documented thickness + - Feistl et al. 2014 used a standardized thickness of 1m for their modelling process +- forest area (avaFilisur2_forest_area.gpkg) + - polygons categorized based on their forest density: + - "open" + - "dense" +- deposition area (avaFilisur2_deposition_area.gpkg) + - no documented thickness +- measurement points (avaFilisur2_measurement_points.gpkg) + - measured snow heights in the area of interest + +A digital elevation model (DEM) can be found at: https://www.swisstopo.admin.ch/de/hoehenmodell-swissalti3d +- Use the DEM for the region "Bergün Filisur (GR) in 2x2m resolution. +- If two tiles are necessary, don´t forget to merge them before modelling. + + +### Data source +- General Description: Feistl, T., Bebi, P., Teich, M., Bühler, Y., Christen, M., Thuro, K., & Bartelt, P. (2014). Observations and modeling of the braking effect of forests on small and medium avalanches. Journal of Glaciology, 60(219), 124-138. +- Data Sources: provided by SLF Davos \ No newline at end of file diff --git a/avaFilisur2/avaFiisur2_forest_area.gpkg b/avaFilisur2/avaFiisur2_forest_area.gpkg new file mode 100644 index 0000000..8bbf710 Binary files /dev/null and b/avaFilisur2/avaFiisur2_forest_area.gpkg differ diff --git a/avaFilisur2/avaFilisur2_deposition_area.gpkg b/avaFilisur2/avaFilisur2_deposition_area.gpkg new file mode 100644 index 0000000..ebc306c Binary files /dev/null and b/avaFilisur2/avaFilisur2_deposition_area.gpkg differ diff --git a/avaFilisur2/avaFilisur2_measurement_points.gpkg b/avaFilisur2/avaFilisur2_measurement_points.gpkg new file mode 100644 index 0000000..06fe163 Binary files /dev/null and b/avaFilisur2/avaFilisur2_measurement_points.gpkg differ diff --git a/avaFilisur2/avaFilisur2_release_area.gpkg b/avaFilisur2/avaFilisur2_release_area.gpkg new file mode 100644 index 0000000..852d42a Binary files /dev/null and b/avaFilisur2/avaFilisur2_release_area.gpkg differ