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Since 2000 the WSL has been observing naturally-occurring debris flows in the Illgraben, an exceptionally active catchment located near the village of Susten (Leuk), in Canton Valais. The site is equipped with measuring instruments that are used to collect information that improve our understanding of debris flows.
Short video about WSL research in the Illgraben (Gottardo Pestalozzi, WSL)
Research at Illgraben
![[Translate to Englisch:] Messstation Gazoduc](/fileadmin//user_upload/WSL/Ueber_die_WSL/Versuchsanlagen_Labors/Murgangbeobachtungsstation_im_Illgraben_bei_Leuk/Gazoduc.JPG "Measuring station \"Gazoduc\"")
![[Translate to Englisch:] Murgang am Illgraben VS, von einer Überwachungskamera gefilmt.](/fileadmin//user_upload/WSL/Ueber_die_WSL/Versuchsanlagen_Labors/Murgangbeobachtungsstation_im_Illgraben_bei_Leuk/Feldbeobachtungen_und_Datenerhebung/leuk2a.jpg "Debris flow in the Illgraben (automatic camera)")
![[Translate to Englisch:] LiDAR-Messung an Sperre 27 des Illgrabens](/fileadmin//user_upload/WSL/Ueber_die_WSL/Versuchsanlagen_Labors/Murgangbeobachtungsstation_im_Illgraben_bei_Leuk/20220324_Illgraben_LiDAR.jpg "LiDAR measurement. Photo: Ch. Graf, WSL")
Researchers are studying debris flows in the Illgraben in detail: they are measuring the flow height, and the vibrations and forces exerted by debris flows. From this, the density of the debris flow mixture and the volume of an event are calculated. Various sensors and measuring devices are installed in and around the channel for this purpose. In various projects, the researchers have improved the understanding of debris flows.
Radar sensors and video cameras are mounted on cables above the channel. Some of the cameras are connected to a floodlight for night-time recording. The radar sensors are used to measure the flow height in the channel. Geophones along the channel register vibrations, which are used to estimate flow velocities. Sensors buried near the initiation area measure soil moisture and help explain how debris flows start moving. A debris flow force plate measures the vertical and horizontal forces generated by debris flows.
As part of an innovative project, 3D LiDAR scanners are being used to make images of debris flows. Individual particles of wood or boulders are being tracked, and the local flow depth, flow-surface speed, and discharge are calculated. The researchers use this information to learn about movement within a debris flow.
Seismometers record the vibrations generated by debris flows. They also register mass movements in parts of the catchment that are difficult to reach and where it is not possible to install instruments. They detect debris flows extremely quickly. Using intelligent algorithms that analyse the seismic data in real time, WSL is testing new approaches for alarm systems.
Drone surveys are also being carried out in the Illgraben. Unlike other methods (such as terrestrial laser scanners), drones can cover large areas in a short amount of time. This remote sensing data is used to record changes, such as erosion by landslides or deposition, on the slopes of the catchment.
Assessing dangers
Data generated at Illgraben is also being used by external partners. For example, researchers at Durham University have developed a debris flow erosion model. This is now integrated into the RAMMS:Debrisflow software package. RAMMS simulates the flow of debris flows and is used worldwide to assess hazards and provide a basis for planning protection measures.
Data availability
The main results of the measurements at Illgraben are available on the WSL’s research data portal EnviDAT, and will be updated periodically as methods to interpret the data improve. Publications describing the data, methods, and results are available on DORA and linked below.
Frequent debris flows
While debris flows are rather rare elsewhere, Illgraben has an average of three to five per year. This makes the Illgraben a particularly useful research site. The geological formations and structures in the initiation area, which is characterised by steep slopes and abundant sediment, favour debris flow formation. François Dufour explains how in this short video.
Video about the catchment, research, and warning in the Illgraben, 2010. Production, camera and script by G. Pestalozzi, the protagonist is François Dufour.
FOR FURTHER INFORMATION
Publications
De Haas, T.; McArdell, B.W.; Nijland, W.; Åberg, A.S.; Hirschberg, J.; Huguenin, P., 2022: Flow and bed conditions jointly control debris‐flow erosion and bulking. Geophysical Research Letters, 49, 10: e2021GL097611 (10 pp.). doi: 10.1029/2021GL097611
Hirschberg, J.; McArdell, B.W.; Bennett, G.L.; Molnar, P., 2022: Numerical investigation of sediment‐yield underestimation in supply‐limited mountain basins with short records. Geophysical Research Letters, 49, 7: e2021GL096440 (10 pp.). doi: 10.1029/2021GL096440
Meyrat, G.; McArdell, B.; Ivanova, K.; Müller, C.; Bartelt, P., 2022: A dilatant, two-layer debris flow model validated by flow density measurements at the Swiss illgraben test site. Landslides, 19: 265-276. doi: 10.1007/s10346-021-01733-2
Hirschberg, J.; Badoux, A.; McArdell, B.W.; Leonarduzzi, E.; Molnar, P., 2021: Evaluating methods for debris-flow prediction based on rainfall in an Alpine catchment. Natural Hazards and Earth System Sciences, 21, 9: 2773-2789. doi: 10.5194/nhess-21-2773-2021
Hirschberg, J.; Fatichi, S.; Bennett, G.L.; McArdell, B.W.; Peleg, N.; Lane, S.N.; Schlunegger, F.; Molnar, P., 2021: Climate change impacts on sediment yield and debris-flow activity in an alpine catchment. Journal of Geophysical Research F: Earth Surface, 126, 1: e2020JF005739 (26 pp.). doi: 10.1029/2020JF005739
Zhang, Z.; Walter, F.; McArdell, B.W.; Wenner, M.; Chmiel, M.; De Haas, T.; He, S., 2021: Insights from the particle impact model into the high-frequency seismic signature of debris flows. Geophysical Research Letters, 48, 1: e2020GL088994 (11 pp.). doi: 10.1029/2020GL088994
Zhang, Z.; Walter, F.; McArdell, B.W.; De Haas, T.; Wenner, M.; Chmiel, M.; He, S., 2021: Analyzing bulk flow characteristics of debris flows using their high frequency seismic signature. Journal of Geophysical Research B: Solid Earth, 126, 12: e2021JB022755 (19 pp.). doi: 10.1029/2021JB022755
Uchida, T.; Nishiguchi, Y.; McArdell, B.W.; Satofuka, Y., 2021: The role of the phase shift of fine particles on debris flow behavior: an numerical simulation for a debris flow in Illgraben, switzerland. Canadian Geotechnical Journal, 58, 1: 23-34. doi: 10.1139/cgj-2019-0452
Hirschberg, J.; McArdell, B.W.; Molnar, P., 2021: Klimawandelauswirkungen auf Murgänge und Sedimentfrachten im Illgraben. Die Rolle der Sedimentproduktion und der natürlichen Klimavariabilität. FAN Agenda, Fachleute Naturgefahren Schweiz, 10-17.
Chmiel, M.; Walter, F.; Wenner, M.; Zhang, Z.; McArdell, B.W.; Hibert, C., 2021: Machine learning improves debris flow warning. Geophysical Research Letters, 48, 3: e2020GL090874 (11 pp.). doi: 10.1029/2020GL090874
McArdell, B.W.; Sartori, M., 2021: The Illgraben torrent system. In: Reynard, E. (eds), 2021: Landscapes and landforms of Switzerland. Cham, Springer. 367-378. doi: 10.1007/978-3-030-43203-4_25
Lucas, D.; Fankhauser, K.; Maurer, H.; McArdell, B.; Grob, R.; Herzog, R.; Bleiker, E.; Springman, S.M., 2020: Slope stability of a scree slope based on integrated characterisation and monitoring. Water, 12, 2: 447 (38 pp.). doi: 10.3390/w12020447
Murgänge und Hangmuren gefährden in gebirgigen Regionen Personen und Sachwerte. Im Rahmen des integralen Risikomanagements können neben der Berücksichtigung von Naturgefahren in der Raumplanung bauliche, organisatorische oder ingenieurbiologische Schutzmassnahmen getroffen werden.
WSL Berichte 102
2020
Liechti, K.; Badoux, A.; Andres, N., 2020: Unwetterschäden in der Schweiz 2019. Rutschungen, Murgänge, Hochwasser und Sturzereignisse. Wasser, Energie, Luft, 112, 2: 85-92.
Zimmermann, F.; McArdell, B.W.; Rickli, C.; Scheidl, C., 2020: 2D runout modelling of hillslope debris flows, based on well-documented events in Switzerland. Geosciences, 10, 2: 70 (17 pp.). doi: 10.3390/geosciences10020070
De Haas, T.; McArdell, B.W.; Conway, S.J.; McElwaine, J.N.; Kleinhans, M.G.; Salese, F.; Grindrod, P.M., 2019: Initiation and flow conditions of contemporary flows in Martian gullies. Journal of Geophysical Research: Planets, 124, 8: 2246-2271. doi: 10.1029/2018JE005899
Marchetti, E.; Walter, F.; Barfucci, G.; Genco, R.; Wenner, M.; Ripepe, M.; McArdell, B.; Price, C., 2019: Infrasound array analysis of debris flow activity and implication for early warning. Journal of Geophysical Research F: Earth Surface, 124, 2: 567-587. doi: 10.1029/2018JF004785
Hürlimann, M.; Coviello, V.; Bel, C.; Guo, X.; Berti, M.; Graf, C.; Hübl, J.; Miyata, S.; Smith, J.B.; Yin, H., 2019: Debris-flow monitoring and warning: review and examples. Earth-Science Reviews, 199: 102981 (26 pp.). doi: 10.1016/j.earscirev.2019.102981
Steeb, N., 2019: Verkleinerungsprozesse von Schwemmholz bei Hochwasser. Ingenieurbiologie: Mitteilungsblatt, 7-13.
Uchida, T.; Nishiguchi, Y.; McArdell, B.W.; Satofuka, Y., 2019: Numerical simulation for evaluating the phase-shift of fine sediment in stony debris flows. In: Kean, J.W.; Coe, J.A.; Santi, P.M.; Guillen, B.K. (eds), 2019: Debris-flow hazards mitigation: mechanics, monitoring, modeling, and assessment. 7th intemational conference on debris-flow hazards mitigation (DFHM7), Golden, USA. 451-458. doi: 10.25676/11124/173185
Densmore, A.L.; De Haas, T.; McArdell, B.; Schuerch, P., 2019: Making sense of avulsions on debris-flow fans. In: Kean, J.W.; Coe, J.A.; Santi, P.M.; Guillen, B.K. (eds), 2019: Debris-flow hazards mitigation: mechanics, monitoring, modeling, and assessment. 7th intemational conference on debris-flow hazards mitigation (DFHM7), Golden, USA. 637-644. doi: 10.25676/11124/173161
Graf, C.; Christen, M.; McArdell, B.W.; Bartelt, P., 2019: An overview of a decade of applied debris-flow runout modeling in Switzerland: challenges and recommendations. In: Kean, J.W.; Coe, J.A.; Santi, P.M.; Guillen, B.K. (eds), 2019: Debris-flow hazards mitigation: mechanics, monitoring, modeling, and assessment. 7th intemational conference on debris-flow hazards mitigation (DFHM7), Golden, USA. 685-692.
Hirschberg, J.; McArdell, B.W.; Badoux, A.; Molnar, P., 2019: Analysis of rainfall and runoff for debris flows at the Illgraben catchment, Switzerland. In: Kean, J.W.; Coe, J.A.; Santi, P.M.; Guillen, B.K. (eds), 2019: Debris-flow hazards mitigation: mechanics, monitoring, modeling, and assessment. 7th intemational conference on debris-flow hazards mitigation (DFHM7), Golden, USA. 693-700.
Wenner, M.; Walter, F.; McArdell, B.; Farinotti, D., 2019: Deciphering debris-flow seismograms at Illgraben, Switzerland. In: Kean, J.W.; Coe, J.A.; Santi, P.M.; Guillen, B.K. (eds), 2019: Debris-flow hazards mitigation: mechanics, monitoring, modeling, and assessment. 7th intemational conference on debris-flow hazards mitigation (DFHM7), Golden, USA. 222-229.
Boesch, R.; Graf, C., 2019: Mass movements of an alpine rock glacier. In: Vosselman, G.; Oude Elberink, S.J.; Yang, M.Y. (eds), 2019: ISPRS Geospatial Week 2019. ISPRS Geospatial Week 2019, Enschede, The Netherlands. 215-219. doi: 10.5194/isprs-archives-XLII-2-W13-215-2019
Scheidl, C.; McArdell, B.; Nagl, G.; Rickenmann, D., 2019: Debris-flow behavior in super- and subcritical conditions. In: Kean, J.W.; Coe, J.A.; Santi, P.M.; Guillen, B.K. (eds), 2019: Debris-flow hazards mitigation: mechanics, monitoring, modeling, and assessment. 7th intemational conference on debris-flow hazards mitigation (DFHM7), Golden, USA. 437-442. doi: 10.25676/11124/173187
Rickenmann, D.; Karrer, T.; McArdell, B.; Scheidl, C., 2019: Small scale debris-flow experiments on run-up height. In: Kean, J.W.; Coe, J.A.; Santi, P.M.; Guillen, B.K. (eds), 2019: Debris-flow hazards mitigation: mechanics, monitoring, modeling, and assessment. 7th intemational conference on debris-flow hazards mitigation (DFHM7), Golden, USA. 414-420. doi: 10.25676/11124/173191
Nicollier, T.; Rickenmann, D.; Hartlieb, A., 2019: Field calibration of the Swiss plate geophone system at the Albula stream and comparison with controlled flume experiments. In: 2019: SEDHYD 2019, Reno, NV. 8 pp..
Ruiz-Villanueva, V.; Mazzorana, B.; Bladé, E.; Bürkli, L.; Iribarren-Anacona, P.; Mao, L.; Nakamura, F.; Ravazzolo, D.; Rickenmann, D.; Sanz-Ramos, M.; Stoffel, M.; Wohl, E., 2019: Characterization of wood-laden flows in rivers. Earth Surface Processes and Landforms, 44: 1694-1709. doi: 10.1002/esp.4603
Andres, N.; Badoux, A., 2019: Normalisierung und Trends der Unwetterschäden in der Schweiz (1972–2016). Wasser, Energie, Luft, 111, 1: 39-43.
Andres, N.; Badoux, A., 2019: Unwetterschäden in der Schweiz im Jahre 2018. Rutschungen, Murgänge, Hochwasser und Sturzereignisse. Wasser, Energie, Luft, 111, 1: 29-38.
Masteller, C.C.; Finnegan, N.J.; Turowski, J.M.; Yager, E.M.; Rickenmann, D., 2019: History-dependent threshold for motion revealed by continuous bedload transport measurements in a steep mountain stream. Geophysical Research Letters, 46, 5: 2583-2591. doi: 10.1029/2018GL081325
Golly, A.; Turowski, J.M.; Badoux, A.; Hovius, N., 2019: Testing models of step formation against observations of channel steps in a steep mountain stream. Earth Surface Processes and Landforms, 44: 1390-1406. doi: 10.1002/esp.4582
Frank, F.; Huggel, C.; McArdell, B.W.; Vieli, A., 2019: Landslides and increased debris-flow activity: a systematic comparison of six catchments in Switzerland. Earth Surface Processes and Landforms, 44, 3: 699-712. doi: 10.1002/esp.4524
Gerber, W., 2019: Combination of decisive properties of soil in science and geotechnics. In: Wu, W. (eds), 2019: Recent advances in geotechnical research. Cham, Springer. 45-56. doi: 10.1007/978-3-319-89671-7_5
Semakova, E.; Alimov, Yo.; Sichugova, L.; Semakov, D.; Graf, C., 2018: Методы дистанционного зондирования и численного моделирования для изучения селевых потоков в бассейнах рек Ахангаран и Тегермеч. Remote sensing techniques and numerical simulation of debris flows in the Akhangaran and Tegermech Rivers basins, using RAMMS . In: Chernomorets, S.S.; Gavardashvili, G.V. (eds), 2018: Debris flows: disasters, risk, forecast, protection. Proceedings of the 5th international conference. Debris flows: disasters, risk, forecast, protection, Tbilisi, Georgia. 571-575.
Yager, E.M.; Schmeeckle, M.W.; Badoux, A., 2018: Resistance is not futile: grain resistance controls on observed critical shields stress variations. Journal of Geophysical Research F: Earth Surface, 123, 12: 3308-3322. doi: 10.1029/2018JF004817
Wendeler, C.; Volkwein, A.; McArdell, B.W.; Bartelt, P., 2018: Load model for designing flexible steel barriers for debris flow mitigation. Canadian Geotechnical Journal, 99: 893-910. doi: 10.1139/cgj-2016-0157
Schimmel, A.; Hübl, J.; McArdell, B.; Walter, F., 2018: Automatic identification of alpine mass movements by a combination of seismic and infrasound sensors. Sensors, 18, 5: 1658 (19 pp.). doi: 10.3390/s18051658
Rickenmann, D., 2018: Variability of bed load transport during six summers of continuous measurements in two Austrian mountain streams (Fischbach and Ruetz). Water Resources Research, 54, 1: 107-131. doi: 10.1002/2017WR021376
Rickenmann, D.; Badoux, A., 2018: Gefahrenbeurteilungen von Wildbächen in der Schweiz - quo vadis? Standortbestimmung und kurzer Ausblick. FAN Agenda, Fachleute Naturgefahren Schweiz, 25-30.
Graf, C.; Badoux, A.; McArdell, B.; Collet, M.; Boss, S.; Huguenin, P., 2018: Erneuerung Murgangwaage im Illgraben. FAN Agenda, Fachleute Naturgefahren Schweiz, 5-9.
Badoux, A.; Rickenmann, D., 2018: Geschiebetransport: Beobachten, Messen, Berechnen. Ingenieurbiologie: Mitteilungsblatt, 29-38.
Ruiz-Villanueva, V.; Badoux, A.; Rickenmann, D.; Böckli, M.; Schläfli, S.; Steeb, N.; Stoffel, M.; Rickli, C., 2018: Impacts of large flood along a mountain river basin: the importance of channel widening and estimating the large wood budget in the upper Emme River (Switzerland). Earth Surface Dynamics, 6, 4: 1115-1137. doi: 10.5194/esurf-6-1115-2018
Stähli, M.; Badoux, A., 2018: 50 Jahre hydrologische Forschung im Alptal, Kanton Schwyz. Schweizerische Zeitschrift für Forstwesen, 169, 6: 351-353. doi: 10.3188/szf.2018.0347
Rickenmann, D.; Steeb, N.; Badoux, A., 2018: Improving bedload transport determination by grain-size fraction using the Swiss plate geophone recordings at the Erlenbach stream. In: Paquier, A.; Rivière, N. (eds), 2018: River flow 2018 - ninth international conference on fluvial hydraulics. River Flow 2018, Lyon-Villeurbanne. (8 pp.). doi: 10.1051/e3sconf/20184002009
Rickli, C.; Badoux, A.; Rickenmann, D.; Steeb, N.; Waldner, P., 2018: Large wood potential, piece characteristics, and flood effects in Swiss mountain streams. Physical Geography, 39, 6: 542-564. doi: 10.1080/02723646.2018.1456310
Raymond Pralong, M.; Rickenmann, D.; Schneider, T., 2018: Vergleich dreier numerischer Simulationsmodelle für Murgänge: Anwendung auf Wildbachkegel im Kanton Wallis. Wasser, Energie, Luft, 110, 1: 43-52.
Andres, N.; Badoux, A., 2018: Unwetterschäden in der Schweiz im Jahre 2017. Rutschungen, Murgänge, Hochwasser und Sturzereignisse. Wasser, Energie, Luft, 110, 1: 67-74.
Rickenmann, D., 2017: Bedload transport measurements with geophones, hydrophones, and underwater microphones (passive acoustic methods). In: Tsutsumi, D.; Laronne, J.B. (eds), 2017: Gravel-bed rivers. Processes and disasters. Chichester, John Wiley & Sons, Ltd.. 185-208. doi: 10.1002/9781118971437.ch7
Walter, F.; Burtin, A.; McArdell, B.W.; Hovius, N.; Weder, B.; Turowski, J.M., 2017: Testing seismic amplitude source location for fast debris-flow detection at Illgraben, Switzerland. Natural Hazards and Earth System Sciences, 17, 6: 939-955. doi: 10.5194/nhess-17-939-2017
Frank, F.; McArdell, B.W.; Oggier, N.; Baer, P.; Christen, M.; Vieli, A., 2017: Debris-flow modeling at Meretschibach and Bondasca catchments, Switzerland: sensitivity testing of field-data-based entrainment model. Natural Hazards and Earth System Sciences, 17, 5: 801-815. doi: 10.5194/nhess-17-801-2017
Jacquemart, M.; Meier, L.; Graf, C.; Morsdorf, F., 2017: 3D dynamics of debris flows quantified at sub-second intervals from laser profiles. Natural Hazards, 89, 2: 785-800. doi: 10.1007/s11069-017-2993-1
Rickenmann, D.; Fritschi, B., 2017: Bedload transport measurements with impact plate geophones in two Austrian mountain streams (Fischbach and Ruetz): system calibration, grain size estimation, and environmental signal pick-up. Earth Surface Dynamics, 5, 4: 669-687. doi: 10.5194/esurf-5-669-2017
Beer, Alexander.R.; Turowski, J.M.; Kirchner, J.W., 2017: Spatial patterns of erosion in a bedrock gorge. Journal of Geophysical Research F: Earth Surface, 122, 1: 191-214. doi: 10.1002/2016JF003850
Rickenmann, D., 2017: Geschiebetransport in Wildbächen und Gebirgsflüssen: Messung, Transportkapazität und Gefahrenbeurteilung. In: 2017: Naturgefahren - von der Sturzflut zur Schwemmholzverklausung. Ereignisanalysen, aktuelle Forschungsvorhaben und Projekte. Fachtagung, Obernach, Germany. 39-48.
Leinss, S.; Round, V.; Hajnsek, I., 2017: Single pass InSAR missions for monitoring hazardous surging glaciers. In: 2017: 2017 IEEE international geoscience and remote sensing symposium (IGARSS). 2017 IEEE international geoscience and remote sensing symposium (IGARSS), Fort Worth, TX, USA. 934-937. doi: 10.1109/IGARSS.2017.8127106
Steeb, N.; Kuratli, B.; Rickli, C.; Badoux, A.; Rickenman, D., 2017: GIS-Modellierung des Schwemmholzpotentials in alpinen Einzugsgebieten. FAN Agenda, Fachleute Naturgefahren Schweiz, 9-12.
Baer, P.; Huggel, C.; McArdell, B.W.; Frank, F., 2017: Changing debris flow activity after sudden sediment input: a case study from the Swiss Alps. Geology Today, 33, 6: 216-223. doi: 10.1111/gto.12211
Von Boetticher, A.; Turowski, J.M.; McArdell, B.W.; Rickenmann, D.; Hürlimann, M.; Scheidl, C.; Kirchner, J.W., 2017: DebrisInterMixing-2.3: a finite volume solver for three-dimensional debris-flow simulations with two calibration parameters – part 2: model validation with experiments. Geoscientific Model Development, 10, 11: 3963-3978. doi: 10.5194/gmd-10-3963-2017
Andres, N.; Badoux, A.; Techel, F.; Hegg, C., 2017: Todesfälle durch Naturgefahrenprozesse in der Schweiz von 1946 bis 2015. Wasser, Energie, Luft, 109, 2: 105-110.
Andres, N.; Badoux, A., 2017: Unwetterschäden in der Schweiz im Jahre 2016. Rutschungen, Murgänge, Hochwasser und Sturzereignisse. Wasser, Energie, Luft, 109, 2: 97-104.
Roth, D.L.; Finnegan, N.J.; Brodsky, E.E.; Rickenmann, D.; Turowski, J.M.; Badoux, A.; Gimbert, F., 2017: Bed load transport and boundary roughness changes as competing causes of hysteresis in the relationship between river discharge and seismic amplitude recorded near a steep mountain stream. Journal of Geophysical Research F: Earth Surface, 122, 5: 1182-1200. doi: 10.1002/2016JF004062
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Rickenmann, D.; Antoniazza, G.; Wyss, C.R.; Fritschi, B.; Boss, S., 2017: Bedload transport monitoring with acoustic sensors in the Swiss Albula mountain river. In: 2017: ICCE symposium 2016 - integrating monitoring and modelling for sediment dynamics, Okehampton, UK. 5-10. doi: 10.5194/piahs-375-5-2017
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Rickenmann, D., 2017: Bed-load transport measurements with geophones and other passive acoustic methods. Journal of Hydraulic Engineering, 143, 6: 03117004 (14 pp.). doi: 10.1061/(ASCE)HY.1943-7900.0001300
Golly, A.; Turowski, J.M.; Badoux, A.; Hovius, N., 2017: Controls and feedbacks in the coupling of mountain channels and hillslopes. Geology, 45, 4: 307-310. doi: 10.1130/G38831.1
Fan, L.; Lehmann, P.; McArdell, B.; Or, D., 2017: Linking rainfall-induced landslides with debris flows runout patterns towards catchment scale hazard assessment. Geomorphology, 280: 1-15. doi: 10.1016/j.geomorph.2016.10.007
Bründl, M.; Spichtig, S., 2016: Verletzlichkeit bei gravitativen Naturgefahren - eine Situationsanalyse. Vulnerability to gravitational hazards - a situative analysis. In: Fekete, A.; Hufschmidt, G. (eds), 2016: Atlas der Verwundbarkeit und Resilienz. Pilotausgabe zu Deutschland, Österreich, Liechtenstein und Schweiz. Atlas of vulnerability and resilience. Pilot version for Germany, Austria, Liechtenstein and Switzerland. Köln; Bonn, TH Köln; Universität Bonn. 68-69.
Badoux, A.; Andres, N.; Techel, F.; Hegg, C., 2016: Natural hazard fatalities in Switzerland from 1946 to 2015. Natural Hazards and Earth System Sciences, 16, 12: 2747-2768. doi: 10.5194/nhess-16-2747-2016
Ottmer, B.; Bartelt, P.; Meier, L., 2016: Von Grossversuchs- zu Pop-up-Anlagen. WSL-Magazin Diagonal, 10-13.
Schürch, P.; Densmore, A.L.; Ivy-Ochs, S.; Rosser, N.J.; Kober, F.; Schlunegger, F.; McArdell, B.; Alfimov, V., 2016: Quantitative reconstruction of late Holocene surface evolution on an alpine debris-flow fan. Geomorphology, 275: 46-57. doi: 10.1016/j.geomorph.2016.09.020
Wyss, C.R.; Rickenmann, D.; Fritschi, B.; Turowski, J.M.; Weitbrecht, V.; Boes, R.M., 2016: Measuring bed load transport rates by grain-size fraction using the Swiss plate geophone signal at the Erlenbach. Journal of Hydraulic Engineering, 142, 5: 04016003 (11 pp.). doi: 10.1061/(ASCE)HY.1943-7900.0001090
Wyss, C.R.; Rickenmann, D.; Fritschi, B.; Turowski, J.M.; Weitbrecht, V.; Travaglini, E.; Bardou, E.; Boes, R.M., 2016: Laboratory flume experiments with the Swiss plate geophone bed load monitoring system: 2. application to field sites with direct bed load samples. Water Resources Research, 52, 10: 7760-7778. doi: 10.1002/2016WR019283
Wyss, C.R.; Rickenmann, D.; Fritschi, B.; Turowski, J.M.; Weitbrecht, V.; Boes, R.M., 2016: Laboratory flume experiments with the Swiss plate geophone bed load monitoring system: 1. impulse counts and particle size identification. Water Resources Research, 52, 10: 7744-7759. doi: 10.1002/2015WR018555
Ruiz-Villanueva, V.; Badoux, A.; Boes, R.M.; Rickenmann, D.; Rickli, C.; Schalko, I.; Schmocker, L.; Schwarz, M.; Steeb, N.; Stoffel, M.; Weitbrecht, V., 2016: Large wood research in Swiss watercourses. In: Constantinescu, G.; Garcia, M.; Hanes, D. (eds), 2016: River flow 2016. Proceedings of the international conference on fluvial hydraulics. River flow 2016, St. Louis. 2307-2314.
Steeb, N.; Rickenmann, D.; Rickli, C.; Badoux, A.; Waldner, P.; Stetter, F., 2016: Size reduction of large wood in steep mountain streams. In: Constantinescu, G.; Garcia, M.; Hanes, D. (eds), 2016: River flow 2016. Proceedings of the international conference on fluvial hydraulics. River flow 2016, St. Louis. 2310-2325.
Rickenmann, D., 2016: Debris-flow hazard assessment and methods applied in engineering practice. International Journal of Erosion Control Engineering, 9, 3: 80-90. doi: 10.13101/ijece.9.80
Rickenmann, D., 2016: Methods for the quantitative assessment of channel processes in torrents (steep streams). IAHR monograph. London, UK, Taylor & Francis. 138 p. doi: 10.1201/b21306
Bartelt, P.; McArdell, B.; Graf, C.; Christen, M.; Buser, O., 2016: Dispersive pressure, boundary jerk and configurational changes in debris flows. International Journal of Erosion Control Engineering, 9, 1: 1-6. doi: 10.13101/ijece.9.1
McArdell, B.W., 2016: Field measurements of forces in debris flows at the Illgraben: implications for channel-bed erosion. International Journal of Erosion Control Engineering, 9, 4: 194-198. doi: 10.13101/ijece.9.194
Arattano, M.; Coviello, V.; Abancó, C.; Hürlimann, M.; McArdell, B.W., 2016: Methods of data processing for debris flow seismic warning. International Journal of Erosion Control Engineering, 9, 3: 114-121. doi: 10.13101/ijece.9.114
Kaitna, R.; Rickenmann, D.; Huebl, J., 2016: Evaluation of model parameterization through laboratory investigations. International Journal of Erosion Control Engineering, 9, 3: 130-134. doi: 10.13101/ijece.9.130
This thesis is an outcome of a joint research project between Geobrugg AG and the Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), in order to investigate the use of flexible ring net barriers to retard or stop debris flows.
WSL Berichte 44
2016
Andres, N.; Badoux, A.; Hegg, C., 2016: Unwetterschäden in der Schweiz im Jahre 2015. Rutschungen, Murgänge, Hochwasser und Sturzereignisse. Wasser, Energie, Luft, 108, 1: 1-8.
Monsalve, A.; Yager, E.M.; Turowski, J.M.; Rickenmann, D., 2016: A probabilistic formulation of bed load transport to include spatial variability of flow and surface grain size distributions. Water Resources Research, 52, 5: 3579-3598. doi: 10.1002/2015WR017694
Roth, D.L.; Brodsky, E.E.; Finnegan, N.J.; Rickenmann, D.; Turowski, J.M.; Badoux, A., 2016: Bed load sediment transport inferred from seismic signals near a river. Journal of Geophysical Research F: Earth Surface, 121, 4: 725-747. doi: 10.1002/2015JF003782
Rickenmann, D.; Badoux, A.; Hunzinger, L., 2016: Significance of sediment transport processes during piedmont floods: the 2005 flood events in Switzerland. Earth Surface Processes and Landforms, 41, 2: 224-230. doi: 10.1002/esp.3835
Von Boetticher, A.; Turowski, J.M.; McArdell, B.W.; Rickenmann, D.; Kirchner, J.W., 2016: DebrisInterMixing-2.3: a finite volume solver for three-dimensional debris-flow simulations with two calibration parameters – part 1: model description. Geoscientific Model Development, 9, 9: 2909-2923. doi: 10.5194/gmd-9-2909-2016
Ruiz-Villanueva, V.; Badoux, A.; Boes, R.; Rickenmann, D.; Rickli, C.; Schalko, I.; Schmocker, L.; Schwarz, M.; Steeb, N.; Stoffel, M.; Weitbrecht, V., 2016: Large wood management in rivers – a practice-oriented research project in Switzerland. 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. 244-245.
Rickli, C.; McArdell, B.; Badoux, A.; Loup, B., 2016: Database shallow landslides and hillslope debris flows. 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. 242-243.
Rickenmann, D.; Gerber, M.; Böckli, M., 2016: Sediment input from debris flows into mountain rivers: an event-based perspective. In: Koboltschnig, G. (eds), 2016: 13th congress INTERPRAEVENT 2016. 30 May to 2 June 2016. Lucerne, Switzerland. Conference proceedings "Living with natural risks". 13th congress INTERPRAEVENT 2016, Lucerne, Switzerland, May 30-June 2, 2016. 601-609.
Hohermuth, B.; Graf, C.; Heilig, J., 2016: Integrated natural hazards protection concept Vitznau LU - case study Plattenbach. In: Koboltschnig, G. (eds), 2016: 13th congress INTERPRAEVENT 2016. 30 May to 2 June 2016. Lucerne, Switzerland. Conference proceedings "Living with natural risks". 13th congress INTERPRAEVENT 2016, Lucerne, Switzerland, May 30-June 2, 2016. 535-543.
Oggier, N.; Graf, C.; Delaloye, R.; Burkard, A., 2016: Integrales Schutzkonzept Bielzug. In: Koboltschnig, G. (eds), 2016: 13th congress INTERPRAEVENT 2016. 30 May to 2 June 2016. Lucerne, Switzerland. Conference proceedings "Living with natural risks". 13th congress INTERPRAEVENT 2016, Lucerne, Switzerland, May 30-June 2, 2016. 525-534.
Rickenmann, D.; Böckli, M.; Heimann, F.U.M.; Badoux, A.; Turowski, J.M., 2016: Bedload transport simulation with the model sedFlow: application to mountain rivers in Switzerland. In: Koboltschnig, G. (eds), 2016: 13th congress INTERPRAEVENT 2016. 30 May to 2 June 2016. Lucerne, Switzerland. Conference proceedings "Living with natural risks". 13th congress INTERPRAEVENT 2016, Lucerne, Switzerland, May 30-June 2, 2016. 387-395.
Berger, C.; Christen, M.; Speerli, J.; Lauber, G.; Ulrich, M.; McArdell, B.W., 2016: A comparison of physical and computer-based debris flow modelling of a deflection structure at Illgraben, Switzerland. In: Koboltschnig, G. (eds), 2016: 13th congress INTERPRAEVENT 2016. 30 May to 2 June 2016. Lucerne, Switzerland. Conference proceedings "Living with natural risks". 13th congress INTERPRAEVENT 2016, Lucerne, Switzerland, May 30-June 2, 2016. 212-220.
Schneider, J.M.; Rickenmann, D.; Turowski, J.M.; Schmid, B.; Kirchner, J.W., 2016: Bed load transport in a very steep mountain stream (Riedbach, Switzerland): measurement and prediction. Water Resources Research, 52, 12: 9522-9541. doi: 10.1002/2016WR019308
Maidl, E.; Andres, N.; Badoux, A.; Buchecker, M., 2016: Leben mit Naturgefahren: welche Faktoren beeinflussen die individuelle Vorsorge der Schweizer Bevölkerung?. Wasser, Energie, Luft, 108, 4: 297-302.
Lüscher, P.; Frutig, F.; Thees, O., 2016: Physikalischer Bodenschutz im Wald. Waldbewirtschaftung im Spannungsfeld zwischen Wirtschaftlichkeit und Erhaltung der physikalischen Bodeneigenschaften. Umwelt-Wissen, 1607. Bern, Bundesamt für Umwelt (BAFU). 159 p.
Focus WSL magazine Diagonal, 1/16: Nature determines when things get underway. What happens inside a debris flow? When does a stream transport rock and debris? Large-scale experiments in mountain streams provide answers.
Thème central Magazine du WSL Diagonale, 1/16: La nature décide de l'instant où tout commence. Que se passe-t-il à l’intérieur d’une lave torrentielle? Quand un ruisseau transporte-t-il des pierres et des éboulis? Des essais à grande échelle dans les torrents donnent des réponses à ces questions.
Schwerpunkt aus dem WSL-Magazin Diagonal, 1/16: Die Natur bestimmt, wann’s los geht. Was passiert im Innern eines Murgangs? Wann transportiert ein Bach Steine und Geröll? Grossversuche in Wildbächen liefern Antworten.
Volkwein, A.; Baumann, R.; Rickli, C.; Wendeler, C., 2015: Standardization for flexible debris retention barriers. In: Lollino, G.; Giordan, D.; Crosta, G.B.; Corominas, J.; Azzam, R.; Wasowski, J.; Sciarra, N. (eds), 2015: Engineering geology for society and territory - volume 2. Landslide processes. Cham, Springer. 193-196. doi: 10.1007/978-3-319-09057-3_25
Schraml, K.; Thomschitz, B.; McArdell, B.; Graf, C.; Hungr, O.; Kaitna, R., 2015: Modeling debris-flow runout pattern on a forested alpine fan with different dynamic simulation models. In: Lollino, G.; Giordan, D.; Crosta, G.B.; Corominas, J.; Azzam, R.; Wasowski, J.; Sciarra, N. (eds), 2015: Engineering geology for society and territory - volume 2. Landslide processes. Cham, Springer. 1673-1676. doi: 10.1007/978-3-319-09057-3_297
Jacquemart, M.; Tobler, D.; Graf, C.; Meier, L., 2015: Advanced debris-flow monitoring and alarm system at Spreitgraben. In: Lollino, G.; Arattano, M.; Rinaldi, M.; Giustolisi, O.; Marechal, J.; Grant, G.E. (eds), 2015: Engineering geology for society and territory - volume 3. River basins, reservoir sedimentation and water resources. Cham, Springer. 59-62. doi: 10.1007/978-3-319-09054-2_12
Wendeler, C.; Volkwein, A., 2015: Laboratory tests for the optimization of mesh size for flexible debris-flow barriers. Natural Hazards and Earth System Sciences, 15, 12: 2597-2604. doi: 10.5194/nhess-15-2597-2015
Stähli, M.; Sättele, M.; Huggel, C.; McArdell, B.W.; Lehmann, P.; Van Herwijnen, A.; Berne, A.; Schleiss, M.; Ferrari, A.; Kos, A.; Or, D.; Springman, S.M., 2015: Monitoring and prediction in early warning systems for rapid mass movements. Natural Hazards and Earth System Sciences, 15, 4: 905-917. doi: 10.5194/nhess-15-905-2015
Schraml, K.; Thomschitz, B.; McArdell, B.W.; Graf, C.; Kaitna, R., 2015: Modeling debris-flow runout patterns on two alpine fans with different dynamic simulation models. Natural Hazards and Earth System Sciences, 15, 7: 1483-1492. doi: 10.5194/nhess-15-1483-2015
Scheidl, C.; McArdell, B.W.; Rickenmann, D., 2015: Debris-flow velocities and superelevation in a curved laboratory channel. Canadian Geotechnical Journal, 52, 3: 305-317. doi: 10.1139/cgj-2014-0081
Heimann, F.U.M.; Rickenmann, D.; Turowski, J.M.; Kirchner, J.W., 2015: sedFlow – a tool for simulating fractional bedload transport and longitudinal profile evolution in mountain streams. Earth Surface Dynamics, 3, 1: 15-34. doi: 10.5194/esurf-3-15-2015
Heimann, F.U.M.; Rickenmann, D.; Böckli, M.; Badoux, A.; Turowski, J.M.; Kirchner, J.W., 2015: Calculation of bedload transport in Swiss mountain rivers using the model sedFlow: proof of concept. Earth Surface Dynamics, 3, 1: 35-54. doi: 10.5194/esurf-3-35-2015
Brardinoni, F.; Mao, L.; Recking, A.; Rickenmann, D.; Turowski, J.M., 2015: Morphodynamics of steep mountain channels. Earth Surface Processes and Landforms, 40, 11: 1560-1562. doi: 10.1002/esp.3742
Stoffel, M.; Graf, C., 2015: Debis-flow activity from high-elevation, periglacial environments. In: Huggel, C.; Carey, M.; Clague, J.J.; Kääb, A. (eds), 2015: The high-mountain cryosphere: environmental changes and human risks. Cambridge, Cambridge University Press. 295-314. doi: 10.1017/CBO9781107588653.016
Rickenmann, D.; Jakob, M., 2015: Erosion and sediment flux in mountain watersheds. In: Huggel, C.; Carey, M.; Clague, J.J.; Kääb, A. (eds), 2015: The high-mountain cryosphere: environmental changes and human risks. Cambridge, Cambridge University Press. 166-183. doi: 10.1017/CBO9781107588653.010
Hohermuth, B.; Graf, C.; Heilig, J., 2015: Murgänge: Wenn Simulationsresultate in die Massnahmenplanung fliessen. Laves torrentielles: Une vérification numérique des futurs ouvrages de protection. GeoPanorama, 9-14.
Der vorliegende Bericht fasst die Erkenntnisse zusammen, die auf der Anwendung des Programms sedFlow in fünf Gebirgsflüssen der Schweiz basieren. sedFlow wurde zur eindimensionalen Simulation des Geschiebetransportes in steilen Gerinnen entwickelt.
WSL Berichte 24
2015
Andres, N.; Badoux, A.; Hegg, C., 2015: Unwetterschäden in der Schweiz im Jahre 2014. Rutschungen, Murgänge, Hochwasser und Sturzereignisse. Wasser, Energie, Luft, 107, 1: 47-54.
Schneider, J.M.; Rickenmann, D.; Turowski, J.M.; Kirchner, J.W., 2015: Self-adjustment of stream bed roughness and flow velocity in a steep mountain channel. Water Resources Research, 51, 10: 7838-7859. doi: 10.1002/2015WR016934
Schneider, J.M.; Rickenmann, D.; Turowski, J.M.; Bunte, K.; Kirchner, J.W., 2015: Applicability of bed load transport models for mixed-size sediments in steep streams considering macro-roughness. Water Resources Research, 51, 7: 5260-5283. doi: 10.1002/2014WR016417
Sättele, M.; Bründl, M.; Straub, D., 2015: Reliability and effectiveness of early warning systems for natural hazards: concept and application to debris flow warning. Reliability Engineering and System Safety, 142: 192-202. doi: 10.1016/j.ress.2015.05.003
Bebi, P.; Putallaz, J.; Fankhauser, M.; Schmid, U.; Schwitter, R.; Gerber, W., 2015: Die Schutzfunktion in Windwurfflächen. Schweizerische Zeitschrift für Forstwesen, 166, 3: 168-176. doi: 10.3188/szf.2015.0168
Raymond Pralong, M.; Turowski, J.M.; Rickenmann, D.; Zappa, M., 2015: Climate change impacts on bedload transport in alpine drainage basins with hydropower exploitation. Earth Surface Processes and Landforms, 40, 12: 1587-1599. doi: 10.1002/esp.3737
Willi, C.; Graf, C.; Deubelbeiss, J.; Keiler, M., 2015: Methods for detecting channel bed surface changes in a mountain torrent – experiences from the Dorfbach torrent. Geographica Helvetica, 70, 4: 265-279. doi: 10.5194/gh-70-265-2015
Stähli, M.; Graf, C.; Scheidl, C.; Wyss, C.R.; Volkwein, A., 2015: Experimentelle Erkundung von Wildbächen, Murgängen, Hangrutschungen und Steinschlag: aktuelle Beispiele der WSL. Geographica Helvetica, 70, 1: 1-9. doi: 10.5194/gh-70-1-2015
Badoux, A.; Böckli, M.; Rickenmann, D.; Rickli, C.; Ruiz-Villanueva, V.; Zurbrügg, S.; Stoffel, M., 2015: Large wood transported during the exceptional flood event of 24 July 2014 in the Emme catchment (Switzerland). In: Picco, L.; Lenzi, M.A.; Bertoldi, W.; Comiti, F.; Rigon, E.; Tonon, A.; García-Rama, A.; Ravazzolo, D.; Rainato, R. (eds), 2015: Proceedings of the Wood in World Rivers Conference. 3rd international conference wood in world rivers (WWR3-2015), Padova, Italy. 109-111.
Heggli, M., 2015: Tiefencastel: Grösste Geschiebemessanlage der Schweiz in Betrieb genommen. WSL-Magazin Diagonal, 27.
Badoux, A.; Andres, N.; Turowski, J.M., 2014: Damage costs due to bedload transport processes in Switzerland. Natural Hazards and Earth System Sciences, 14, 2: 279-294. doi: 10.5194/nhess-14-279-2014
Bennett, G.L.; Molnar, P.; McArdell, B.W.; Burlando, P., 2014: A probabilistic sediment cascade model of sediment transfer in the Illgraben. Water Resources Research, 50, 2: 1225-1244. doi: 10.1002/2013WR013806
Caduff, R.; Kos, A.; Schlunegger, F.; McArdell, B.W.; Wiesmann, A., 2014: Terrestrial radar interferometric measurement of hillslope deformation and atmospheric disturbances in the Illgraben debris-flow catchment, Switzerland. IEEE Geoscience and Remote Sensing Letters, 11, 2: 434-438. doi: 10.1109/LGRS.2013.2264564
Burtin, A.; Hovius, N.; McArdell, B.W.; Turowski, J.M.; Vergne, J., 2014: Seismic constraints on dynamics links between geomorphic processes and routing of sediment in a steep mountain catchment. Earth Surface Dynamics, 2, 1: 21-33. doi: 10.5194/esurf-2-21-2014
Results of a research project aimed at developing a dimensioning concept for flexible debris flow protection systems. The concept involves specially focused research combining laboratory tests, fully instrumented field installations and the corresponding numerical simulations.
WSL Berichte 18
2014
Dieser Bericht fasst die Resultate eines Forschungsprojekts zusammen, das zum Ziel hatte, ein Konzept für flexible Murgangbarrieren zu entwickeln. Das Konzept beinhaltet Laborversuche, voll instrumentierte Feldinstallationen und die entsprechenden numerischen Simulationen.
WSL Berichte 8
2014
Raymond Pralong, M.; Heimann, F.; Rickenmann, D.; Badoux, A., 2014: L'outil de simulations de transport de sédiments sedFlow et son application à deux rivières torrentielles en Suisse. FAN Agenda, Fachleute Naturgefahren Schweiz, 3-6.
Walser, M.; McArdell, B.; Huggel, C.; Graf, C., 2014: Inwiefern eignen sich numerische Modellsimulationen für die Gefahrenkartierung von Murgängen - ein Vergleich. FAN Agenda, Fachleute Naturgefahren Schweiz, 21-23.
Rickli, C.; Graf, F., 2014: Holzsperren im Wildbachverbau. Wald und Holz, 45-47.
Hohermuth, B.; Graf, C., 2014: Einsatz numerischer Murgangsimulationen am Beispiel des integralen Schutzkonzepts Plattenbach Vitznau. Wasser, Energie, Luft, 106, 4: 285-290.
Rickenmann, D.; Heimann, F.; Böckli, M.; Turowski, J.M.; Bieler, C.; Badoux, A., 2014: Geschiebetransport - Simulationen mit sedFlow in zwei Gebirgsflüssen der Schweiz. Wasser, Energie, Luft, 106, 3: 187-199.
Badoux, A.; Peter, A.; Rickenmann, D.; Junker, J.; Heimann, F.; Zappa, M.; Turowski, J.M., 2014: Geschiebetransport und Forellenhabitate in Gebirgsflüssen der Schweiz: mögliche Auswirkungen der Klimaänderung. Wasser, Energie, Luft, 106, 3: 200-209.
Andres, N.; Badoux, A.; Turowski, J.M., 2014: Schäden durch Geschiebetransportprozesse in der Schweiz. Wasser, Energie, Luft, 106, 3: 210-214.
Walser, M.; Huggel, C.; McArdell, B.; Graf, C., 2014: Gefahrenkartierung von Murgängen. Numerische Modellsimulationen im Vergleich zu empirischen, analytischen Methoden. Wasser, Energie, Luft, 106, 3: 215-218.
Andres, N.; Badoux, A.; Hegg, C., 2014: Unwetterschäden in der Schweiz im Jahre 2013. Rutschungen, Murgänge, Hochwasser und Sturzereignisse. Wasser, Energie, Luft, 106, 1: 59-66.
Schneider, J.M.; Turowski, J.M.; Rickenmann, D.; Hegglin, R.; Arrigo, S.; Mao, L.; Kirchner, J.W., 2014: Scaling relationships between bed load volumes, transport distances, and stream power in steep mountain channels. Journal of Geophysical Research F: Earth Surface, 119, 3: 533-549. doi: 10.1002/2013JF002874
Wyss, C.R.; Rickenmann, D.; Fritschi, B.; Turowski, J.M.; Weitbrecht, V.; Boes, R.M., 2014: Bedload grain size estimation from the indirect monitoring of bedload transport with Swiss plate geophones at the Erlenbach stream. In: Schleiss, A.J.; De Cesare, G.; Franca, M.J.; Pfister, M. (eds), 2014: River flow 2014: proceedings of the international conference on fluvial hydraulics. International conference on fluvial hydraulics (river flow 2014), Lausanne, Switzerland, September 3-5, 2014. 1907-1912.
Rickenmann, D.; Heimann, F.U.M.; Turowski, J.M.; Bieler, C.; Böckli, M.; Badoux, A., 2014: Simulation of bedload transport in the Hasliaare River with increased sediment input. In: Schleiss, A.J.; De Cesare, G.; Franca, M.J.; Pfister, M. (eds), 2014: River flow 2014: proceedings of the international conference on fluvial hydraulics. International conference on fluvial hydraulics (river flow 2014), Lausanne, Switzerland, September 3-5, 2014. 2273-2281.
Thème central Magazine du WSL Diagonale, 1/14: Une prévention efficace requiert des connaissances. Comment la recherche appréhende-t-elle les défis complexes en gestion des risques?
Schwerpunkt aus dem WSL-Magazin Diagonal, 1/14: Wirkungsvolle Prävention setzt Wissen voraus. Wie geht die Forschung mit den komplexen Herausforderungen im Risikomanagement um?
Nitsche, M.; Rickenmann, D.; Badoux, A.; Turowski, J.M.; Kirchner, J.W., 2013: Berechnung des Geschiebetransportes in Wildbächen und Gebirgsflüssen unter Berücksichtigung von Makrorauigkeit. In: Spreafico, M.; Viviroli, D. (eds), 2013: Ausgewählte Beiträge zur Abschätzung von Hochwasser und Feststofftransport in der Schweiz. Grundlagen, Methoden, Fallbeispiele. Bern, Schweizerische Gesellschaft für Hydrologie und Limnologie. 101-107.
Rheinberger, C.M.; Romang, H.E.; Bründl, M., 2013: Proportional loss functions for debris flow events. Natural Hazards and Earth System Sciences, 13, 8: 2147-2156. doi: 10.5194/nhess-13-2147-2013
Bennett, G.L.; Molnar, P.; McArdell, B.W.; Schlunegger, F.; Burlando, P., 2013: Patterns and controls of sediment production, transfer and yield in the Illgraben. Geomorphology, 188: 68-82. doi: 10.1016/j.geomorph.2012.11.029
Turowski, J.M.; Badoux, A.; Leuzinger, J.; Hegglin, R., 2013: Large floods, alluvial overprint, and bedrock erosion. Earth Surface Processes and Landforms, 38, 9: 947-958. doi: 10.1002/esp.3341
Schneider, J.; Rickenmann, D.; Badoux, A.; Kirchner, J.W., 2013: Geschiebetransportmessungen in einem steilen Gebirgsbach. FAN Agenda, Fachleute Naturgefahren Schweiz, 6-8.
Graf, C., 2013: Murgänge im Mattertal - Blockgletscherkrisen beeinflussen Wildbachaktivität. FAN Agenda, Fachleute Naturgefahren Schweiz, 3-5.
Andres, N.; Badoux, A.; Hegg, C., 2013: Unwetterschäden in der Schweiz im Jahre 2012. Rutschungen, Murgänge, Hochwasser und Sturzereignisse. Wasser, Energie, Luft, 105, 1: 55-61.
Nitsche, M.; Turowski, J.M.; Badoux, A.; Rickenmann, D.; Kohoutek, T.K.; Pauli, M.; Kirchner, J.W., 2013: Range imaging: a new method for high-resolution topographic measurements in small- and medium-scale field sites. Earth Surface Processes and Landforms, 38, 8: 810-825. doi: 10.1002/esp.3322
Gianora, F.; Somaini, D.; Gardenghi, R.; Badoux, A.; Graf, C., 2013: Debris-flow alarm system for the torrents Crenn and Dö in the Blenio Valley. In: Graf, C. (eds), 2013: Mattertal – ein Tal in Bewegung. Jahrestagung der Schweizerischen Geomorphologischen Gesellschaft, St. Niklaus, June 29 - July 1, 2011. 139-150.
Deubelbeiss, Y.; Graf, C., 2013: Two different starting conditions in numerical debris-flow models – case study at Dorfbach, Randa (Valais, Switzerland). In: Graf, C. (eds), 2013: Mattertal – ein Tal in Bewegung. Jahrestagung der Schweizerischen Geomorphologischen Gesellschaft, St. Niklaus, June 29 - July 1, 2011. 125-138.
Bühler, Y.; Graf, C., 2013: Sediment transfer mapping in a high-alpine catchment using airborne LiDAR. In: Graf, C. (eds), 2013: Mattertal – ein Tal in Bewegung. Jahrestagung der Schweizerischen Geomorphologischen Gesellschaft, St. Niklaus, June 29 - July 1, 2011. 113-124.
Graf, C.; Deubelbeiss, Y.; Bühler, Y.; Meier, L.; McArdell, B.; Christen, M.; Bartelt, P., 2013: Gefahrenkartierung Mattertal: Grundlagenbeschaffung und numerische Modellierung von Murgängen. In: Graf, C. (eds), 2013: Mattertal – ein Tal in Bewegung. Jahrestagung der Schweizerischen Geomorphologischen Gesellschaft, St. Niklaus, June 29 - July 1, 2011. 85-112.
Andres, N.; Badoux, A.; Hilker, N.; Hegg, C., 2012: Unwetterschäden in der Schweiz im Jahre 2011. Rutschungen, Murgänge, Hochwasser und Sturzereignisse. Wasser, Energie, Luft, 104, 1: 41-49.
Badoux, A.; Turowski, J.M.; Mao, L.; Mathys, N.; Rickenmann, D., 2012: Rainfall intensity-duration thresholds for bedload transport initiation in small Alpine watersheds. Natural Hazards and Earth System Sciences, 12, 10: 3091-3108. doi: 10.5194/nhess-12-3091-2012
Turowski, J.M.; Badoux, A.; Beer, A.; Nitsche, M., 2012: Geröll unter dem Turtmanngletscher. Alpen, 88, 6: 54-55.
Bennett, G.L.; Molnar, P.; Eisenbeiss, H.; McArdell, B.W., 2012: Erosional power in the Swiss Alps: characterization of slope failure in the Illgraben. Earth Surface Processes and Landforms, 37, 15: 1627-1640. doi: 10.1002/esp.3263
Volkwein, A.; Gärtner, H., 2012: Dynamische Haltekraft von Wurzelstöcken. Bündnerwald, 65, 4: 81-86.
Nitsche, M.; Rickenmann, D.; Turowski, J.M.; Badoux, A.; Kirchner, J.W., 2012: Verbesserung von Geschiebevorhersagen in Wildbächen und Gebirgsflüssen durch Berücksichtigung von Makrorauigkeit. Wasser, Energie, Luft, 104, 2: 129-139.
Christen, M.; Gerber, W.; Graf, C.; Bühler, Y.; Bartelt, P.; Glover, J.; McArdell, B.W.; Feistl, T.; Steinkogler, W., 2012: Numerische Simulation von gravitativen Naturgefahren mit RAMMS (Rapid Mass Movements). Wildbach- und Lawinenverbau, 76, 169: 282-292.
Nitsche, M.; Rickenmann, D.; Kirchner, J.W.; Turowski, J.M.; Badoux, A., 2012: Macroroughness and variations in reach-averaged flow resistance in steep mountain streams. Water Resources Research, 48, 12: W12518 (16 pp.). doi: 10.1029/2012WR012091
Bühler, Y.; Marty, M.; Ginzler, C., 2012: High resolution DEM generation in high-alpine terrain using airborne remote sensing techniques. Transactions in GIS, 16, 5: 635-647. doi: 10.1111/j.1467-9671.2012.01331.x
Christen, M.; Bühler, Y.; Bartelt, P.; Leine, R.; Glover, J.; Schweizer, A.; Graf, C.; McArdell, B.W.; Gerber, W.; Deubelbeiss, Y.; Feistl, T.; Volkwein, A., 2012: Integral hazard management using a unified software environment. Numerical simulation tool "RAMMS" for gravitational natural hazards. In: Koboltschnig, G.; Hübl, J.; Braun, J. (eds), 2012: 12th congress INTERPRAEVENT 2012. 23 to 26 April 2012. Grenoble, France. Conference proceedings "Protection of living space from natural hazards". 12th congress INTERPRAEVENT 2012, Grenoble, France, April 23-26, 2012. 77-86.
Hilker, N.; Badoux, A.; Hegg, C., 2011: Unwetterschäden in der Schweiz im Jahre 2010. Wasser, Energie, Luft, 103, 1: 1-6.
Turowski, J.M.; Badoux, A.; Rickenmann, D., 2011: Start and end of bedload transport in gravel-bed streams. Geophysical Research Letters, 38: L04401 (5 pp.). doi: 10.1029/2010GL046558
Nitsche, M.; Rickenmann, D.; Turowski, J.M.; Badoux, A.; Kirchner, J.W., 2011: Evaluation of bedload transport predictions using flow resistance equations to account for macro-roughness in steep mountain streams. Water Resources Research, 47: W08513 (21 pp.). doi: 10.1029/2011WR010645
Berger, C.; McArdell, B.W.; Schlunegger, F., 2011: Sediment transfer patterns at the Illgraben catchment, Switzerland: Implications for the time scales of debris flow activities. Geomorphology, 125, 3: 421-432. doi: 10.1016/j.geomorph.2010.10.019
Kogelnig, A.; Hübl, J.; Suriñach, E.; Vilajosana, I.; Zhang, S.; Yun, N.; McArdell, B.W., 2011: A study of infrasonic signals of debris flows. In: Genevois, R.; Hamilton, D.L.; Prestininzi, A. (eds), 2011: 5th international conference on debris-flow hazards mitigation: mechanics, prediction, and assessment. 5th international conference on debris-flow hazards mitigation: mechanics, prediction, and assessment, Padua, Italy. 563-572. doi: 10.4408/IJEGE.2011-03.B-062
Rickenmann, D.; Andres, N.; Zappa, M., 2011: Geschiebehaushalt in Fliessgewässern. Tec21, 137, 35: 28.
Schürch, P.; Densmore, A.L.; Rosser, N.J.; McArdell, B.W., 2011: Dynamic controls on erosion and deposition on debris-flow fans. Geology, 39, 9: 827-830. doi: 10.1130/G32103.1
Berger, C.; McArdell, B.W.; Schlunegger, F., 2011: Direct measurement of channel erosion by debris flows, Illgraben, Switzerland. Journal of Geophysical Research F: Earth Surface, 116: F01002 (18 pp.). doi: 10.1029/2010JF001722
Nitsche, M.; Turowski, J.M.; Badoux, A.; Pauli, M.; Schneider, J.; Rickenmann, D.; Kohoutek, T.K., 2010: Measuring streambed morphology using range imaging. In: Dittrich, A.; Koll, K.; Aberle, J.; Geisenhainer, P. (eds), 2010: 1715-1722.
Badoux, A.; Stähli, M.; Rickenmann, D.; Schäfer, K.; Rickli, C., 2010: Eine neue Geschiebemessanlage zum 125-Jahre Jubiläum der WSL. FAN Agenda, Fachleute Naturgefahren Schweiz, 4-6.
Hilker, N.; Badoux, A.; Hegg, C., 2010: Unwetterschäden in der Schweiz im Jahre 2009. Wasser, Energie, Luft, 102, 1: 1-6.
Schlunegger, F.; Badoux, A.; McArdell, B.W.; Gwerder, C.; Schnydrig, D.; Rieke-Zapp, D.; Molnar, P., 2009: Limits of sediment transfer in an alpine debris-flow catchment, Illgraben, Switzerland. Quaternary Science Reviews, 28, 11-12: 1097-1105. doi: 10.1016/j.quascirev.2008.10.025
Hilker, N.; Badoux, A.; Hegg, C., 2009: The Swiss flood and landslide damage database 1972-2007. Natural Hazards and Earth System Sciences, 9, 3: 913-925. doi: 10.5194/nhess-9-913-2009
Graf, C.; Badoux, A.; McArdell, B.W., 2009: Alarmsystem Illgraben - Erfahrungen während der Pilotbetriebsphase. Wasser, Energie, Luft, 101, 2: 101-107.
Hilker, N.; Badoux, A.; Hegg, C., 2009: Unwetterschäden in der Schweiz im Jahre 2008. Wasser, Energie, Luft, 101, 2: 95-100.
Bugnion, L.; Volkwein, A.; Denk, M., 2009: Feldversuche zu oberflächennahen Rutschungen in Kombination mit flexiblen Schutznetzen. Strasse und Verkehr, 20-24.
Turowski, J.M.; Yager, E.M.; Badoux, A.; Rickenmann, D.; Molnar, P., 2009: The impact of exceptional events on erosion, bedload transport and channel stability in a step-pool channel. Earth Surface Processes and Landforms, 34, 12: 1661-1673. doi: 10.1002/esp.1855
Badoux, A.; Graf, C.; Rhyner, J.; Kuntner, R.; McArdell, B.W., 2009: A debris-flow alarm system for the Alpine Illgraben catchment: design and performance. Natural Hazards, 49, 3: 517-539. doi: 10.1007/s11069-008-9303-x
Bugnion, L.; Wendeler, C.; Volkwein, A.; Denk, M., 2009: Versuche zum Rückhalt von oberflächenahen Rutschungen mit flexiblen Schutznetzen. In: 2009: Zukunftsfähiger(s) Wasserbau und Flussgebietsmanagement. Fachtagung, Wallgau, July 30-31, 2009. 68-77.
Bugnion, L.; Wendeler, C.; Volkwein, A.; Denk, M., 2009: Versuche zum Rückhalt von oberflächennahen Rutschungen mit flexiblen Schutznetzen. In: 2009: Mitteilungsheft der Gruppe Geotechnik Graz Nummer 35. Beiträge zum 24. Christian Veder Kolloquium: Stabilisierung von Rutschhängen, Böschungen und Einschnitten. 235-245.
Hilker, N.; Badoux, A.; Hegg, C., 2008: Unwetterschäden in der Schweiz im Jahre 2007. Wasser, Energie, Luft, 100, 2: 115-123.
Turowski, J.M.; Badoux, A.; Rickenmann, D.; Fritschi, B., 2008: Erfassung des Sedimenttransportes in Wildbächen und Gebirgsflüssen - Anwendungsmöglichkeiten von Geophonmessanlagen. Wasser, Energie, Luft, 100, 1: 69-74.
Badoux, A.; Rickenmann, D., 2008: Berechnungen zum Geschiebetransport während der Hochwasser 1993 und 2000 im Wallis. Wasser, Energie, Luft, 100, 3: 217-226.
Denk, M.; Roth, A.; Wendeler, C.; Volkwein, A., 2008: Feldversuche für flexible Schutznetze gegen Murgang - Versuche, Bemessung, Anwendungen. In: Schad, H. (eds), 2008: Bauen in Boden und Fels. 5. Kolloquium, January 24-25, 2006. 419-423.
McArdell, B.; Bartelt, P.; Kowalski, J., 2007: Field observations of basal forces and fluid pore pressure in a debris flow. Geophysical Research Letters, 34, 7: 1-4. doi: 10.1029/2006GL029183
Wendeler, C.; Volkwein, A.; Denk, M., 2007: Flexible Schutzsysteme gegen Murgänge. Bauingenieur: Schweizer Fachmagazin für das Ingenieurwesen, 3, 3: 48-52.
Dufour, F.; Badoux, A.; Graf, C.; McArdell, B.W.; Rhyner, J.; Kuntner, R., 2007: Überwachung und Warnung Illgraben. FAN Agenda, Fachleute Naturgefahren Schweiz, 9-12.
Graf, C.; Badoux, A.; Dufour, F.; Fritschi, B.; McArdell, B.W.; Rhyner, J.; Kuntner, R.; Teysseire, P.; Nigg, U., 2007: Alarmsystem für murgangfähige Wildbäche - Beispiel Illgraben. Wasser, Energie, Luft, 99, 2: 119-128.
Hilker, N.; Jeisy, M.; Badoux, A.; Hegg, C., 2007: Unwetterschäden in der Schweiz im Jahre 2005. Wasser, Energie, Luft, 99, 1: 31-41.
Hilker, N.; Badoux, A.; Hegg, C., 2007: Unwetterschäden in der Schweiz im Jahre 2006. Wasser, Energie, Luft, 99, 2: 137-145.
Wendeler, C.; Volkwein, A.; Roth, A.; Denk, M.; Wartmann, S., 2007: Field measurements used for numerical modelling of flexible debris flow barriers. In: Chen, C.-I.; Major, J.J. (eds), 2007: Proceedings of the fourth international conference on debris-flow hazards mitigation: mechanics, prediction, and assessment (DFHM-4). 4th international conference on debris-flow hazards mitigation: mechanics, prediction, and assessment, Chengdu, China. 681-687.
Wendeler, C.; McArdell, B.W.; Rickenmann, D.; Volkwein, A.; Roth, A.; Denk, M., 2006: Field testing and numerical modeling of flexible debris flow barriers. In: Ng, C.W.W.; Wang, Y.H.; Zhang, L.M. (eds), 2006: Physical modelling in geotechnics. Proceedings of the 6th international conference on physical modelling in geotechnics, 6th ICPMG '06. 6th international conference on physical modelling in geotechnics. 6th ICPMG'06, Hong-Kong, China, August 4-6, 2006. 1573-1578.
Pola, G.A.; Roth, A.; Wendeler, C.; Volkwein, A., 2006: Bemessung und Dimensionierung von flexiblen Murgangssperren. In: Schad, H. (eds), 2006: Bauen in Boden und Fels. 5. Kolloquium, January 24-25, 2006. 681-687.
Graf, C.; McArdell, B.W., 2004: Murgangwaage - Ergänzung der Beobachtungs- und Messstation im Illgraben. FAN Agenda, Fachleute Naturgefahren Schweiz, 18-22.
La stabilisation des zones menacées d’érosion et de glissements est extrêmement importante pour la protection contre les érosions. La reconstitution d’une couverture végétale conforme à la station joue alors un rôle prépondérant. Une Notice pour le praticien montre les différents aspects à prendre en considération.
Notice pour le praticien 37
2003
Hegg, C.; Fraefel, M.; Frick, E.; Schmid, F.; Badoux, A., 2003: Unwetterschäden in der Schweiz im Jahre 2002. Wasser, Energie, Luft, 95, 3-4: 63-70.
Goulas, K.; Graf, F., 2003: Lebendverbau in Wildbacheinzugsgebieten Griechenlands. Standortverhältnisse, Geschichte und Entwicklung. Ingenieurbiologie: Mitteilungsblatt, 03, 4: 19-25.
Hürlimann, M.; Rickenmann, D.; Graf, C., 2003: Field and monitoring data of debris-flow events in the Swiss Alps. Canadian Geotechnical Journal, 40: 161-175. doi: 10.1139/T02-087
McArdell, B.W.; Zanuttigh, B.; Lamberti, A.; Rickenmann, D., 2003: Systematic comparison of debris-flow laws at the Illgraben torrent, Switzerland. In: Rickenmann, D.; Chen, C. (eds), 2003: Debris-flow hazards mitigation. Mechanics, prediction, and assessment. Proceedings of the third international conference on debris-flow hazards mitigation. Volume 1. Third international conference on debris-flow hazards mitigation, Davos, Switzerland, September 10-12, 2003. 647-657.
Hegg, C.; Badoux, A.; Frick, E.; Schmid, F., 2002: Unwetterschäden in der Schweiz im Jahre 2001. Wasser, Energie, Luft, 94, 3-4: 99-105.
Hegg, C.; Badoux, A.; Bassi, A.; Schmid, F., 2001: Unwetterschäden in der Schweiz im Jahre 2000. Wasser, Energie, Luft, 93, 5-6: 117-129.
Beyer Portner, N.; Graf, F.; Dubois, J., 2001: Plan de plantation pour un bassin de rétention. Ingenieurbiologie: Mitteilungsblatt, 01, 4: 3-8.
Hegg, C.; Badoux, A.; Graf, C.; Röthlisberger, G., 2000: Unwetterschäden in der Schweiz im Jahre 1999. Wasser, Energie, Luft, 92, 3-4: 59-68.
Graf, F., 1997: Auswertung des "Fragenkataloges aus der Praxis an die Forschung". Interprétation du catalogue des "questions du monde de la pratique à celui de la recherche". Ingenieurbiologie: Mitteilungsblatt, 97, 4: 22-24.
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Links
- In the large debris flow laboratory at WSL, researchers study the processes in debris flows at a reduced scale.
- In addition to debris flow research, other projects and basic research also take place at the WSL site in Sion (Valais).
- As part of the CCAMM - Climate Change Impacts on Alpine Mass Movements research program - WSL is investigating the effects of climate change on debris flows and other mass movements.
- Video with Malgorzata Chmiel "Analyzing bulk flow characteristics of debris flows using their high frequency seismic signature"
External projects
Framework for Process Cascade Modelling of Rapid Mass Movements
The CCAMM II project at SLF investigates the influence of climate change on alpine mass movements and the associated new challenges. As part of work package 4.3, the researchers are using the Illgraben for testing. They want to find out how to include soil moisture in the prediction of mass movement runoff.
TREBRIDGE
In this project, surface exposure dating of sediments at the Illgraben and in the Rhone River will be used to constrain long-term sediment discharge from the Illgraben. The Illgraben will also serve as a comparative catchment for the other study sites in this interdisciplinary project. WSL Contact: Brian McArdell
NWO VENI - Impact or shear?
The aim of this project at Utrecht University is to decipher the mechanisms of bed erosion through experiments and field measurements. This will allow a more accurate estimation of the volume of debris flows, which will allow a better prediction of the hazards and a better mitigation. The project is also described by a video. WSL Contact: Brian McArdell
Projektname
In this project, which also involves USGS hydrologist Dr. Ben Mirus, we will investigate how debris flows and landslides are triggered in the upper watershed. We are also interested in how water in the channel bed entrains sediments in debris flows - a process that can significantly increase the hazard posed by debris flows.