Dinámica distributiva de flujos bifásicos con carga de madera en un abanico aluvial experimental

N. Santibañez, B. Mazzorana, P. Iribarren, L. Mao, I. Rojas


Los abanicos aluviales se ven afectados episódicamente por la dinámica distributiva generada por procesos de flujo bifásico extremos. El sedimento inorgánico no es el único componente de la fracción sólida de los flujos bifásicos; también hay que considerar la carga de madera de gran tamaño. Siguiendo un enfoque experimental, el objetivo fue evaluar, en un modelo físico, la aleatoriedad de la morfodinámica y de la exposición asociadas a un conjunto de condiciones de carga específicas. Se exploró, además, cómo cambian estos patrones si se agrega madera de gran tamaño a la mezcla bifásica en una proporción fija de la fracción sólida. Variando sistemáticamente las condiciones de carga, se ejecutaron dos conjuntos de experimentos, uno con y otro sin una proporción fija de la fracción sólida constituida por madera de gran tamaño. Los resultados obtenidos confirman que los patrones de exposición asociados a una misma carga de sedimentos exhiben una notable aleatoriedad, que la potencia de la corriente aplicada ejerce un efecto decisivo en esos patrones y que la porción fija de madera de gran tamaño interfiere fuertemente con la dinámica distributiva de flujos bifásicos en abanicos aluviales.

Palabras clave

abanico aluvial; modelo experimental; flujos bifásicos; dinámica distributiva; madera de gran tamaño (LW)

Texto completo:



Anstey, R.L. 1965. Physical characteristics of alluvial fans. Natick, MA: Army Natick Laboratory, Technical Report, ES-20.

Antronico, L., Greco, R., Robustelli, G., Sorriso-Valvo, M. 2015. Short-term evolution of an active basin-fan system, Aspromonte, south Italy. Geomorphology, 228, 536-551. https://doi.org/10.1016/j.geomorph.2014.10.013

Barenblatt, G.I. (2003). Scaling. Cambridge University Press, Cambridge. 171 pp.

Blair, T.C. 2003. Features and origin of the giant Cucomungo Canyon alluvial fan, Eureka Valley, California. Special Paper of the Geological Society of America, 370, 105-126. https://doi.org/10.1130/0-8137-2370-1.105

Blair, T.C., McPherson, J.G. 2009. Processes and Forms of Alluvial Fans. In: Parsons A.J., Abrahams A.D. (eds) Geomorphology of Desert Environments. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-5719-9_14

Bryant, M., Falk, P., Paola, C. 1995. Experimental study of avulsion frequency and rate of deposition. Geology, 23(4), 365-368. https://doi.org/10.1130/0091-7613(1995)023%3C0365:ESOAFA%3E2.3.CO;2

Chow, V.T. 1994. Hidráulica de canales abiertos. McGraw-Hill Interamericana S.A. Santafé de Bogotá, Colombia.

Clarke, L.E. 2015. Experimental alluvial fans: Advances in understanding of fan dynamics and processes. Geomorphology, 244, 135-145. https://doi.org/10.1016/j.geomorph.2015.04.013

Clarke, L., Quine, T.A., Nicholas, A. 2010. An experimental investigation of autogenic behaviour during alluvial fan evolution. Geomorphology, 115(3-4), 278-285. https://doi.org/10.1016/j.geomorph.2009.06.033

D’Agostino, V., Cesca, M., Marchi, L. 2010. Field and laboratory investigations of runout distances of debris flows in the Dolomites (Eastern Italian Alps). Geomorphology, 115(3-4), 294-304. https://doi.org/10.1016/j.geomorph.2009.06.032

Davies, T.R., McSaveney, M.J., Clarkson, P.J. 2003. Anthropic aggradation of the Waiho River, Westland, New Zealand: Microscale modelling. Earth Surface Processes and Landforms, 28(2), 209-218. https://doi.org/10.1002/esp.449

De Haas, T., Densmore, A.L., Stoffel, M., Suwa, H., Imaizumi, F., Ballesteros-Cánovas, J.A., Wasklewicz, T. 2018. Avulsions and the spatio-temporal evolution of debris-flow fans. Earth-Science Reviews, 177, 53-75. https://doi.org/10.1016/j.earscirev.2017.11.007

Fuchs, S., Keiler, M., Zischg, A. 2015. A spatiotemporal multi-hazard exposure assessment based on property data. Natural Hazards and Earth System Sciences, 15(9), 2127-2142. https://doi.org/10.5194/nhess-15-2127-2015

Fuchs, S. 2009. Susceptibility versus resilience to mountain hazards in Austria - Paradigms of vulnerability revisited. Natural Hazards and Earth System Science, 9(2), 337-352. https://doi.org/10.5194/nhess-9-337-2009

Fuchs, S., Karagiorgos, K., Kitikidou, K., Maris, F., Paparrizos, S., Thaler, T. 2017a. Flood risk perception and adaptation capacity: A contribution to the socio-hydrology debate. Hydrology and Earth System Sciences, 21(6), 3183-3198. https://doi.org/10.5194/hess-21-3183-2017

Fuchs, S., Röthlisberger, V., Thaler, T., Zischg, A., Keiler, M. 2017b. Natural Hazard Management from a Coevolutionary Perspective: Exposure and Policy Response in the European Alps. Annals of the American Association of Geographers, 107(2), 382-392. https://doi.org/10.1080/24694452.2016.1235494

Gschnitzer, T., Gems, B., Mazzorana, B., Aufleger, M. 2017. Towards a robust assessment of bridge clogging processes in flood risk management. Geomorphology, 279, 128-140. https://doi.org/10.1016/j.geomorph.2016.11.002

Guerit, L., Devauchelle, O., Lajeunesse, E., Barrier, L. 2014. Laboratory alluvial fans in one dimension. Physical Review E, 90(2), 1-7. https://doi.org/10.1103/PhysRevE.90.022203

Hooke, R.L. 1968. Model geology: Prototype and laboratory streams: Discussion. Geological Society of America Bulletin, 79(3), 391-393. https://doi.org/10.1130/0016-7606(1968)79[391:MGPALS]2.0.CO;2

Kain, C.L., Rigby, E.H., Mazengarb, C. 2018. A combined morphometric, sedimentary, GIS and modelling analysis of flooding and debris flow hazard on a composite alluvial fan, Caveside, Tasmania. Sedimentary Geology, 364, 286-301. https://doi.org/10.1016/j.sedgeo.2017.10.005

Kienholz, H., Krummenacher, B., Kipfer, A., Perret, S. 2004. Aspects of integral risk management in practice: Considerations with respect to mountain hazards in Switzerland. Osterreichische Wasser- Und Abfallwirtschaft, 56(3-4), 43-50.

Mao, L., Ravazzolo, D., Bertoldi, W. 2020. The role of vegetation and large wood on the topographic characteristics of braided river systems. Geomorphology, 367, 107299, https://doi.org/10.1016/j.geomorph.2020.107299

Mazzorana, B., Fuchs, S. 2010. A conceptual planning tool for hazard and risk management. In: Chen SC (Ed.), Internationales Symposion Interpraevent in the Pacific Rim, Klagenfurt: Internationale Forschungsgesellschaft Interpraevent:, 828-837.

Mazzorana, B., Iribarren, P., Oyarzun, C., et al. 2017. Determining patterns of flood hazard exposure on an experimental alluvial fan. Proceedings XX Congreso Geológico Argentino, Tucumán (7th-11th august), Technical (p. session 3: 24-28).

Mazzorana, B., Ruiz-Villanueva, V., Marchi, L., Cavalli, M., Gems, B., Gschnitzer, T., Mao, L., Iroumé, A.,Valdebenito, G. 2018. Assessing and mitigating large wood-related hazards in mountain streams: recent approaches. Journal of Flood Risk Management, 11(2), 207-222. https://doi.org/10.1111/jfr3.12316

Mazzorana, B, Levaggi, L., Keiler, M., Fuchs, S. 2012. Towards dynamics in flood risk assessment, 3571-3587. https://doi.org/10.5194/nhess-12-3571-2012

Mazzorana, Bruno, Ghiandoni, E., Picco, L. 2020. How do stream processes affect hazard exposure on alluvial fans? Insights from an experimental study. Journal of Mountain Science, 17(4), 753-772. https://doi.org/10.1007/s11629-019-5788-x

Muto, T., Steel, R.J., Swenson, J.B. 2007. Autostratigraphy: A framework norm for genetic stratigraphy. Journal of Sedimentary Research, 77(1-2), 2-12. https://doi.org/10.2110/jsr.2007.005

Paola, C., Straub, K., Mohrig, D., Reinhardt, L. 2009. Earth-Science Reviews The “ unreasonable effectiveness ” of stratigraphic and geomorphic experiments. Earth Science Reviews, 97(1-4), 1-43. https://doi.org/10.1016/j.earscirev.2009.05.003

Papathoma-Köhle, M., Gems, B., Sturm, M., Fuchs, S. 2017. Matrices, curves and indicators: A review of approaches to assess physical vulnerability to debris flows. Earth-Science Reviews, 171(November 2016), 272-288. https://doi.org/10.1016/j.earscirev.2017.06.007

Peakall, J., Ashworth, P., Best, J. 1996. Physical modelling in fluvial geomorphology: principles, applications and unresolved issues. In: Rhoads, B.L., Thorn, C.E. (Eds.), The scientific nature of geomorphology. JohnWiley & Sons, Chichester, pp. 221-253.

Pelletier, J.D., Mayer, L., Pearthree, P.A., House, P.K., Demsey, K.A., Klawon, J.K., Vincent, K.R. 2005. An integrated approach to flood hazard assessment on alluvial fans using numerical modeling, field mapping, and remote sensing. Bulletin of the Geological Society of America, 117(9-10), 1167-1180. https://doi.org/10.1130/B25544.1

Reitz, M.D., Jerolmack, D.J. 2012. Experimental alluvial fan evolution: Channel dynamics, slope controls, and shoreline growth. Journal of Geophysical Research: Earth Surface, 117(2), 1-19. https://doi.org/10.1029/2011JF002261

Reitz, M.D., Jerolmack, D.J., Swenson, J.B. 2010. Flooding and flow path selection on alluvial fans and deltas, 37, 1-5. https://doi.org/10.1029/2009GL041985

Rosatti, G., Fraccarollo, L. 2006. A well-balanced approach for flows over mobile-bed with high sediment-transport. Journal of Computational Physics, 220(1), 312-338. https://doi.org/10.1016/j.jcp.2006.05.012

Rosatti, Giorgio, Begnudelli, L. 2013. Two-dimensional simulation of debris flows over mobile bed: Enhancing the TRENT2D model by using a well-balanced Generalized Roe-type solver. Computers and Fluids, 71, 179-195. https://doi.org/10.1016/j.compfluid.2012.10.006

Röthlisberger, V., Zischg, A.P., Keiler, M. 2017. Identifying spatial clusters of flood exposure to support decision making in risk management. Science of the Total Environment, 598, 593-603. https://doi.org/10.1016/j.scitotenv.2017.03.216

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(9), 1694-1709. https://doi.org/10.1002/esp.4603

Santangelo, N., Santo, A., Di Crescenzo, G., Foscari, G., Liuzza, V., Sciarrotta, S., Scorpio, V. 2011. Flood susceptibility assessment in a highly urbanized alluvial fan: The case study of Sala Consilina (southern Italy). Natural Hazards and Earth System Science, 11(10), 2765-2780. https://doi.org/10.5194/nhess-11-2765-2011

Sheets, B.A., Hickson, T.A., Paola, C. 2002. Assembling the stratigraphic record: depositional patterns and time-scales in an experimental alluvial basin, Basin Research, 14(3), 287-301. https://doi.org/10.1046/j.1365-2117.2002.00185.x

Sturm, M., Gems, B., Keller, F., Mazzorana, B., Fuchs, S., Papathoma-Köhle, M., Aufleger, M. 2018a. Experimental analyses of impact forces on buildings exposed to fluvial hazards. Journal of Hydrology, 565(March), 1-13. https://doi.org/10.1016/j.jhydrol.2018.07.070

Sturm, M., Gems, B., Keller, F., Mazzorana, B., Fuchs, S., Papathoma-Köhle, M., Aufleger, M. 2018b. Understanding impact dynamics on buildings caused by fluviatile sediment transport. Geomorphology, 321, 45-59. https://doi.org/10.1016/j.geomorph.2018.08.016

Van Dijk, M., Kleinhans, M.G., Postma, G., Kraal, E. 2012. Contrasting morphodynamics in alluvial fans and fan deltas: Effect of the downstream boundary. Sedimentology, 59(7), 2125-2145. https://doi.org/10.1111/j.1365-3091.2012.01337.x

Whipple, K.X., Parker, G., Paola, C., Mohrig, D. 1998. Channel dynamics, sediment transport, and the slope of alluvial fans: Experimental study. Journal of Geology, 106(6), 677-693. https://doi.org/10.1086/516053

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