Dr. Betty Sovilla
Funktion
Wissenschaftliche Mitarbeiterin
Kontakt
sovilla(at)slfto make life hard for spam bots.ch
+41 81 417 02 63+41 81 417 02 63
WSL-Institut für Schnee- und Lawinenforschung SLF
Flüelastrasse 11
7260 Davos Dorf
Standort
Davos Da A 2 13
WEITERFÜHRENDE INFORMATIONEN
WSL-Publikationen
Wissenschaftliche Artikel Peer-reviewt
Li, X.; Sovilla, B.; Ligneau, C.; Jiang, C.; Gaume, J., 2022: Different erosion and entrainment mechanisms in snow avalanches. Mechanics Research Communications, 124: 103914 (8 pp.). doi: 10.1016/j.mechrescom.2022.103914
Ligneau, C.; Sovilla, B.; Gaume, J., 2022: Numerical investigation of the effect of cohesion and ground friction on snow avalanches flow regimes. PLoS One, 17, 2: e0264033 (24 pp.). doi: 10.1371/journal.pone.0264033
Kyburz, M.L.; Sovilla, B.; Gaume, J.; Ancey, C., 2022: Physics-based estimates of drag coefficients for the impact pressure calculation of dense snow avalanches. Engineering Structures, 113478 (17 pp.). doi: 10.1016/j.engstruct.2021.113478
Kyburz, M.L.; Sovilla, B.; Gaume, J.; Ancey, C., 2022: The concept of the mobilized domain: how it can explain and predict the forces exerted by a cohesive granular avalanche on an obstacle. Granular Matter, 24, 2: 45 (17 pp.). doi: 10.1007/s10035-021-01196-1
Brosch, E.; Lube, G.; Cerminara, M.; Esposti-Ongaro, T.; Breard, E.C.P.; Dufek, J.; Sovilla, B.; Fullard, L., 2021: Destructiveness of pyroclastic surges controlled by turbulent fluctuations. Nature Communications, 12, 1: 7306 (12 pp.). doi: 10.1038/s41467-021-27517-9
Li, X.; Sovilla, B.; Jiang, C.; Gaume, J., 2021: Three-dimensional and real-scale modeling of flow regimes in dense snow avalanches. Landslides, 18: 3393-3406. doi: 10.1007/s10346-021-01692-8
Kyburz, M.L.; Sovilla, B.; Gaume, J.; Ancey, C., 2020: Decoupling the role of inertia, friction, and cohesion in dense granular avalanche pressure build-up on obstacles. Journal of Geophysical Research F: Earth Surface, 125, 2: e2019JF005192 (18 pp.). doi: 10.1029/2019JF005192
Li, X.; Sovilla, B.; Jiang, C.; Gaume, J., 2020: The mechanical origin of snow avalanche dynamics and flow regime transitions. Cryosphere, 14, 10: 3381-3398. doi: 10.5194/tc-14-3381-2020
Sovilla, B.; McElwaine, J.N.; Köhler, A., 2018: The intermittency regions of powder snow avalanches. Journal of Geophysical Research F: Earth Surface, 123, 10: 2525-2545. doi: 10.1029/2018JF004678
Köhler, A.; McElwaine, J.N.; Sovilla, B., 2018: GEODAR data and the flow regimes of snow avalanches. Journal of Geophysical Research F: Earth Surface, 123, 6: 1272-1294. doi: 10.1002/2017JF004375
Köhler, A.; Fischer, J.; Scandroglio, R.; Bavay, M.; McElwaine, J.; Sovilla, B., 2018: Cold-to-warm flow regime transition in snow avalanches. Cryosphere, 12, 12: 3759-3774. doi: 10.5194/tc-12-3759-2018
Sovilla, B.; Faug, T.; Köhler, A.; Baroudi, D.; Fischer, J.; Thibert, E., 2016: Gravitational wet avalanche pressure on pylon-like structures. Cold Regions Science and Technology, 126: 66-75. doi: 10.1016/j.coldregions.2016.03.002
Köhler, A.; McElwaine, J.N.; Sovilla, B.; Ash, M.; Brennan, P., 2016: The dynamics of surges in the 3 February 2015 avalanches in Vallée de la Sionne. Journal of Geophysical Research F: Earth Surface, 121, 11: 2192-2210. doi: 10.1002/2016JF003887
Pérez-Guillén, C.; Sovilla, B.; Suriñach, E.; Tapia, M.; Köhler, A., 2016: Deducing avalanche size and flow regimes from seismic measurements. Cold Regions Science and Technology, 121: 25-41. doi: 10.1016/j.coldregions.2015.10.004
Veitinger, J.; Purves, R.S.; Sovilla, B., 2016: Potential slab avalanche release area identification from estimated winter terrain: a multi-scale, fuzzy logic approach. Natural Hazards and Earth System Science, 16, 10: 2211-2225. doi: 10.5194/nhess-16-2211-2016
Veitinger, J.; Sovilla, B., 2016: Linking snow depth to avalanche release area size: measurements from the Vallée de la Sionne field site. Natural Hazards and Earth System Science, 16, 8: 1953-1965. doi: 10.5194/nhess-16-1953-2016
Crouzy, B.; Forclaz, R.; Sovilla, B.; Corripio, J.; Perona, P., 2015: Quantifying snowfall and avalanche release synchronization: a case study. Journal of Geophysical Research F: Earth Surface, 120, 2: 183-199. doi: 10.1002/2014JF003258
Steinkogler, W.; Gaume, J.; Löwe, H.; Sovilla, B.; Lehning, M., 2015: Granulation of snow: from tumbler experiments to discrete element simulations. Journal of Geophysical Research F: Earth Surface, 120, 6: 1107-1126. doi: 10.1002/2014JF003294
Sovilla, B.; McElwaine, J.N.; Louge, M.Y., 2015: The structure of powder snow avalanches. Structure des avalanches en aérosol. Comptes Rendus Physique, 16, 1: 97-104. doi: 10.1016/j.crhy.2014.11.005
Steinkogler, W.; Sovilla, B.; Lehning, M., 2015: Thermal energy in dry snow avalanches. Cryosphere, 9, 5: 1819-1830. doi: 10.5194/tc-9-1819-2015
Fischer, J.; Fromm, R.; Gauer, P.; Sovilla, B., 2014: Evaluation of probabilistic snow avalanche simulation ensembles with Doppler radar observations. Cold Regions Science and Technology, 97: 151-158. doi: 10.1016/j.coldregions.2013.09.011
Ash, M.; Brennan, P.; Keylock, C.; Vriend, N.M.; McElwaine, J.; Sovilla, B., 2014: Two-dimensional radar imaging of flowing avalanches. Cold Regions Science and Technology, 102: 41-51. doi: 10.1016/j.coldregions.2014.02.004
Steinkogler, W.; Sovilla, B.; Lehning, M., 2014: Influence of snow-cover properties on avalanche dynamics. Cold Regions Science and Technology, 97: 121-131. doi: 10.1016/j.coldregions.2013.10.002
Veitinger, J.; Sovilla, B.; Purves, R.S., 2014: Influence of snow depth distribution on surface roughness in alpine terrain: a multi-scale approach. Cryosphere, 8, 2: 547-569. doi: 10.5194/tc-8-547-2014
Vriend, N.M.; McElwaine, J.N.; Sovilla, B.; Keylock, C.J.; Ash, M.; Brennan, P.V., 2013: High-resolution radar measurements of snow avalanches. Geophysical Research Letters, 40, 4: 727-731. doi: 10.1002/grl.50134
Sovilla, B.; Sonatore, I.; Bühler, Y.; Margreth, S., 2012: Wet-snow avalanche interaction with a deflecting dam: field observations and numerical simulations in a case study. Natural Hazards and Earth System Science, 12, 5: 1407-1423. doi: 10.5194/nhess-12-1407-2012
Kogelnig, A.; Suriñach, E.; Vilajosana, I.; Hübl, J.; Sovilla, B.; Hiller, M.; Dufour, F., 2011: On the complementariness of infrasound and seismic sensors for monitoring snow avalanches. Natural Hazards and Earth System Science, 11, 8: 2355-2370. doi: 10.5194/nhess-11-2355-2011
Baroudi, D.; Sovilla, B.; Thibert, E., 2011: Effects of flow regime and sensor geometry on snow avalanche impact-pressure measurements. Journal of Glaciology, 57, 202: 277-288. doi: 10.3189/002214311796405988
Kern, M.A.; Bartelt, P.A.; Sovilla, B., 2010: Velocity profile inversion in dense avalanche flow. Annals of Glaciology, 51, 54: 27-31. doi: 10.3189/172756410791386643
Sovilla, B.; Kern, M.; Schaer, M., 2010: Slow drag in wet-snow avalanche flow. Journal of Glaciology, 56, 198: 587-592. doi: 10.3189/002214310793146287
Sovilla, B.; McElwaine, J.N.; Schaer, M.; Vallet, J., 2010: Variation of deposition depth with slope angle in snow avalanches: measurements from Vallée de la Sionne. Journal of Geophysical Research F: Earth Surface, 115: F02016 (13 pp.). doi: 10.1029/2009JF001390
Kern, M.; Bartelt, P.; Sovilla, B.; Buser, O., 2009: Measured shear rates in large dry and wet snow avalanches. Journal of Glaciology, 55, 190: 327-338. doi: 10.3189/002214309788608714
Sovilla, B.; Schaer, M.; Kern, M.; Bartelt, P., 2008: Impact pressures and flow regimes in dense snow avalanches observed at the Vallée de la Sionne test site. Journal of Geophysical Research F: Earth Surface, 113, F1: 1-12. doi: 10.1029/2006JF000688
Bianchi Janetti, E.; Gorni, E.; Sovilla, B.; Bocchiola, D., 2008: Regional snow-depth estimates for avalanche calculations using a two-dimensional model with snow entrainment. Annals of Glaciology, 49: 63-70. doi: 10.3189/172756408787814681
Sovilla, B.; Schaer, M.; Rammer, L., 2008: Measurements and analysis of full-scale avalanche impact pressure at the Vallée de la Sionne test site. Cold Regions Science and Technology, 51, 2-3: 122-137. doi: 10.1016/j.coldregions.2007.05.006
Bocchiola, D.; Bianchi Janetti, E.; Gorni, E.; Marty, C.; Sovilla, B., 2008: Regional evaluation of three day snow depth for avalanche hazard mapping in Switzerland. Natural Hazards and Earth System Science, 8, 4: 685-705. doi: 10.5194/nhess-8-685-2008
Sovilla, B.; Margreth, S.; Bartelt, P., 2007: On snow entrainment in avalanche dynamics calculations. Cold Regions Science and Technology, 47, 1-2: 69-79. doi: 10.1016/j.coldregions.2006.08.012
Sovilla, B.; Burlando, P.; Bartelt, P., 2006: Field experiments and numerical modeling of mass entrainment in snow avalanches. Journal of Geophysical Research F: Earth Surface, 111, F3: F03007 (16 pp.). doi: 10.1029/2005JF000391
Sovilla, B.; Bartelt, P., 2002: Observations and modelling of snow avalanche entrainment. Natural Hazards and Earth System Science, 2, 3-4: 169-179. doi: 10.5194/nhess-2-169-2002
Sovilla, B.; Sommavilla, F.; Tomaselli, A., 2001: Measurements of mass balance in dense snow avalanche events. Annals of Glaciology, 32: 230-236. doi: 10.3189/172756401781819058
Weitere wissenschaftliche Publikationen
Caviezel, A.; Margreth, S.; Ivanova, K.; Sovilla, B.; Bartelt, P., 2021: Powder snow impact of tall vibrating structures. In: Papadrakakis, M.; Fragiadakis, M. (eds), 2021: Compdyn 2021 proceedings. COMPDYN 2021. 8th ECCOMAS thematic conference on computational methods in structural dynamics and earthquake engineering, Athens, Greece. 19112 (13 pp.).
Sovilla, B.; Köhler, A.; Kyburz, M.; Ligneau, C., 2019: The avalanche flow regimes and their pressure on infrastructures. In: 2019: International Symposium on Mitigative Measures against Snow Avalanches and Other Rapid Gravity Mass Flows. International Symposium on Mitigative Measures against Snow Avalanches and Other Rapid Gravity Mass Flows, Siglufjörður. 223-228.
Van Herwijnen, A.; Heck, M.; Richter, B.; Sovilla, B.; Techel, F., 2018: When do avalanches release: investigating time scales in avalanche formation. In: 2018: International snow science workshop proceedings 2018. International snow science workshop, ISSW 2018, Innsbruck. 1030-1034.
Sovilla, B.; Kyburz, M.; Schaer, M.; Margreth, S., 2018: Avalanche pressure at the Vallée de la Sionne test site: comparison of maximum measured loads with design loads. In: 2018: International snow science workshop proceedings 2018. International snow science workshop, ISSW 2018, Innsbruck. 21-25.
Roig-Lafon, P.; Pérez-Guillén, C.; Sovilla, B.; Suriñach, E.; Köhler, A.; Tapia, M.; Furdada, G., 2018: Comparative analysis of avalanche seismic signals and GEODAR data at the Vallée de la Sionne test site (2018). In: 2018: International snow science workshop proceedings 2018. International snow science workshop, ISSW 2018, Innsbruck. 601-605.
Neuhauser, M.; Kofler, A.; Köhler, A.; Schreiber, H.; Gigele, T.; Sovilla, B.; Rammer, L.; Fischer, J., 2018: Avalanche Doppler radar monitoring - long term velociy measurements at the Vallée de la Sionne. In: 2018: International snow science workshop proceedings 2018. International snow science workshop, ISSW 2018, Innsbruck. 640-643.
Kyburz, M.; Sovilla, B.; Gaume, J.; Ancey, C., 2018: Avalanche pressures at the Vallée de la Sionne test site: interaction of avalanches and narrow structures studied withe DEM. In: 2018: International snow science workshop proceedings 2018. International snow science workshop, ISSW 2018, Innsbruck. 40-42.
Köhler, A.; Sovilla, B.; McElwaine, J., 2018: 7 years of avalanche measurements with the GEODAR radar system. In: 2018: International snow science workshop proceedings 2018. International snow science workshop, ISSW 2018, Innsbruck. 665-669.
Winkler, R.; Fischer, J.; Hergel, P.; Neuhauser, M.; Sovilla, B.; Steinkogler, W., 2018: Challenges and limitations for in situ particle tracking in avalanches. In: 2018: International snow science workshop proceedings 2018. International snow science workshop, ISSW 2018, Innsbruck. 26-30.
Veitinger, J.; Sovilla, B.; Bühler, Y., 2016: Assessing the effect of the winter terrain surface on simulations of avalanche scenarios. In: Koboltschnig, G. (eds), 2016: 13th congress INTERPRAEVENT 2016. 30 May to 2 June 2016. Lucerne, Switzerland. Extended abstracts "Living with natural risks". 13th congress INTERPRAEVENT 2016, Lucerne, Switzerland. 168-169.
Fischer, J.; Köhler, A.; Kofler, A.; Sovilla, B.; McElwaine, J., 2016: Front and internal velocity distribution in powder snow avalanches. In: 2016: International snow science workshop proceedings 2016. International snow science workshop, ISSW 2016, Breckenridge, CO, USA, October 2-7, 2016. 218-221.
Keylock, C.J.; Ash, M.; Vriend, N.; Brennan, P.V.; McEwaine, J.N.; Sovilla, B., 2014: Looking inside an avalanche using a novel radar system. Geology Today, 30, 1: 21-25. doi: 10.1111/gto.12033
Steinkogler, W.; Gaume, J.; Löwe, H.; Sovilla, B.; Lehning, M., 2014: Granulation of snow: experiments and discrete element modeling. In: 2014: International snow science workshop proceedings 2014. International snow science workshop, ISSW 2014, Banff, AB, Canada, September 29 - October 3, 2014. 733-737.
Sovilla, B.; Margreth, S.; Schaer, M.; Thiebert, E.; Fischer, J.; Baroudi, D.; Ancey, C., 2014: Taking into account wet avalanche load for the design of tower-like structures. In: 2014: International snow science workshop proceedings 2014. International snow science workshop, ISSW 2014, Banff, AB, Canada, September 29 - October 3, 2014. 727-732.
Veitinger, J.; Sovilla, B.; Purves, R.S., 2014: Slab avalanche release area estimation: a new GIS tool. In: 2014: International snow science workshop proceedings 2014. International snow science workshop, ISSW 2014, Banff, AB, Canada, September 29 - October 3, 2014. 256-262.
Steinkogler, W.; Sovilla, B.; Lehning, M., 2014: Linking snow cover properties and avalanche dynamics. In: 2014: International snow science workshop proceedings 2014. International snow science workshop, ISSW 2014, Banff, AB, Canada, September 29 - October 3, 2014. 151-155.
Segor, V.; Pitet, L.; Bovet, E.; Dellavedova, P.; Sovilla, B.; Steinkogler, W.; Veitinger, J.; Maggioni, M.; Chiambretti, I.; Prola, M., 2013: Toward better decision tools for the management of frequent avalanches. In: Naaim-Bouvet, F.; Durand, Y.; Lambert, R. (eds), 2013: International snow science workshop proceedings 2013. International snow science workshop, ISSW 2013, Grenoble - Chamonix Mont-Blanc, France, October 7-11, 2013. 230-234.
Sovilla, B.; McElwaine, J.; Steinkogler, W.; Hiller, M.; Dufour, F.; Suriñach, E.; Perez Guillen, C.; Fischer, J.; Thibert, E.; Baroudi, D., 2013: The full-scale avalanche dynamics test site Vallée de la Sionne. In: Naaim-Bouvet, F.; Durand, Y.; Lambert, R. (eds), 2013: International snow science workshop proceedings 2013. International snow science workshop, ISSW 2013, Grenoble - Chamonix Mont-Blanc, France, October 7-11, 2013. 1350-1357.
Steinkogler, W.; Sovilla, B.; Jonas, T.; Lehning, M., 2013: Thermal energy in snow avalanches. In: Naaim-Bouvet, F.; Durand, Y.; Lambert, R. (eds), 2013: International snow science workshop proceedings 2013. International snow science workshop, ISSW 2013, Grenoble - Chamonix Mont-Blanc, France, October 7-11, 2013. 583-586.
Steinkogler, W.; Sovilla, B.; Lehning, M., 2013: Granulation of snow. In: Naaim-Bouvet, F.; Durand, Y.; Lambert, R. (eds), 2013: International snow science workshop proceedings 2013. International snow science workshop, ISSW 2013, Grenoble - Chamonix Mont-Blanc, France, October 7-11, 2013. 766-769.
Veitinger, J.; Sovilla, B.; Purves, R.S., 2013: Winter terrain roughness as a new parameter to define size and location of avalanche release areas. In: Naaim-Bouvet, F.; Durand, Y.; Lambert, R. (eds), 2013: International snow science workshop proceedings 2013. International snow science workshop, ISSW 2013, Grenoble - Chamonix Mont-Blanc, France, October 7-11, 2013. 703-706.
Segor, V.; Dellavedova, P.; Pitet, L.; Sovilla, B., 2012: Local management of avalanche hazard on the Aosta Valley's roads and identification of event scenarios. In: 2012: International snow science workshop proceedings 2012. International snow science workshop, ISSW 2012, Anchorage, AK, USA, September 16-21, 2012. 541-546.
Sovilla, B.; Sonatore, I.; Margreth, S.; Christen, M., 2010: Wet-snow avalanche interacting with a deflecting dam: field observations. In: 2010: International snow science workshop proceedings 2010. International snow science workshop, ISSW 2010, Squaw Valley, CA, USA, October 17-22, 2010. 730-737.
Rammer, L.; Schreiber, H.; Hiller, M.; Dufour, F.; Sovilla, B.; Gauer, P.; Kern, M.A., 2009: Automatisied range-gated Doppler radar measurements of a spontaneously released avalanche at the Vallée de la Sionne test site. In: Schweizer, J.; Van Herwijnen, A. (eds), 2009: International snow science workshop proceedings 2009. International snow science workshop, ISSW 2009, Davos, Switzerland, September 27 - October 2, 2009. 472-476.
Baroudi, D.; Sovilla, B.; Thibert, E., 2009: Comparison and complementarities of avalanche pressure measurements: piezo-electric load cells and deformation based pressure deconvolution. In: Schweizer, J.; Van Herwijnen, A. (eds), 2009: International snow science workshop proceedings 2009. International snow science workshop, ISSW 2009, Davos, Switzerland, September 27 - October 2, 2009. 443-447.
Sovilla, B.; Christen, M.; Bartelt, P.; Gruber, U., 2006: AVAL-1D E RAMM:: Avalanche. Un sistema di modelli numerici per lo studio della dinamica delle valanghe dense. In: 2006: Foreste: Recupero Ambientale Naturalistico Ecologico. Linee-Guida per la mitigazione del rischio idrogeologico. 257-268.
Dufour, F.; Sovilla, B.; Bartelt, P.; Ottmer, B.; Badoux, A., 2006: Lawinenforschung im Vallée de la Sionne (VS). Tec21, 132, 8: 4-7. doi: 10.5169/seals-107915
Sovilla, B.; Bartelt, P.; Margreth, S., 2005: The importance of snow entrainment in avalanche dynamics calculations. In: Elder, K. (eds), 2005: International snow science workshop proceedings 2004. International snow science workshop, ISSW 2004, Jackson Hole, WY, USA, September 19-24, 2004. 65-73.
Sovilla, B.; Gruber, U., 2002: Avalanche winter 1999. The importance of the snow entrainment in catastrophic avalanches. Data of Glaciological Studies, 93: 110-116.
Sovilla, B.; Christen, M.; Dufour, F.; Gruber, U.; Kern, M.; Maggioni, M.; Tiefenbacher, F.; Turnbull, B.; Bartelt, P., 2002: Field observations, full-scale tests, laboratory investigations and numerical modelling of snow avalanches in Switzerland. In: 2002: Proceedings of the international snow science workshop. International snow science workshop 2002, Penticton, September 29 - October 4, 2002. 71-78.
Tiefenbacher, F.; Sovilla, B.; Bartelt, P.,
2001:
Avalanche dynamics measurements of the Swiss Federal Institute for Snow and Avalanche Research
Mesures des paramètres dynamiques des avalanches par l'IFENA.
In: Naaim, M.; Naaim-Bouvet, F. (eds),
2001:
Snow and avalanches test sites. Actes de Colloque.
395-409.
Zeitschriften und Broschüren
Iacolettig, L.; Sovilla, B., 2016: La propensione al distacco quantificata. Un modello per calcolare e visualizzare la pericolosità da valanga. Neve e Valanghe, 32-39.
Steinkogler, W.; Lehning, M.; Sovilla, B.; Jonas, T., 2014: L'energia termica nelle valanghe. Neve e Valanghe, 82: 16-21.
Riboni, A.; Sovilla, B.; Bocchiola, D.; Rosso, R., 2005: Altezza al distacco delle valanghe. Neve e Valanghe, 22-39.
Sovilla, B.; Dufour, F.; Bartelt, P.; Ottmer, B.; Badoux, A., 2005: Avalanches mesurées dans la Vallée de la Sionne. Tracés: Bulletin Technique de la Suisse Romande, 131, 23: 10-14.