Academic literature on the topic 'Avalanche collapse'

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Journal articles on the topic "Avalanche collapse"

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Lei, Yanbin, Tandong Yao, Lide Tian, et al. "Response of downstream lakes to Aru glacier collapses on the western Tibetan Plateau." Cryosphere 15, no. 1 (2021): 199–214. http://dx.doi.org/10.5194/tc-15-199-2021.

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Abstract. The lower parts of two glaciers in the Aru range on the western Tibetan Plateau (TP) collapsed on 17 July and 21 September 2016, respectively, causing fatal damage to local people and their livestock. The giant ice avalanches, with a total volume of 150 × 106 m3, had almost melted by September 2019 (about 30 % of the second ice avalanche remained). The impact of these extreme disasters on downstream lakes has not been investigated yet. Based on in situ observation, bathymetry survey and satellite data, we explore the impact of the ice avalanches on the two downstream lakes (i.e., Aru
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Baroudi, D., B. Sovilla, and E. Thibert. "Effects of flow regime and sensor geometry on snow avalanche impact-pressure measurements." Journal of Glaciology 57, no. 202 (2011): 277–88. http://dx.doi.org/10.3189/002214311796405988.

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AbstractImpact pressures of snow avalanches have been measured at the Swiss Vallée de la Sionne experimental test site using two kinds of sensor placed at different locations in the avalanche flow. Pressures measured in a fast dry-snow avalanche and a slow wet-snow avalanche are compared and discussed. The pressures recorded using the two types of sensor in the dense flow of a dry-snow avalanche agree well, showing negligible dependence on the measurement device. On the other hand, significantly different pressures are measured in the slow dense flow of a wet-snow avalanche. This is attributed
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Azhgaliyeva, B. A. "Some issues on prevention of avalanche coloring of building structures." Bulletin of Kazakh Leading Academy of Architecture and Construction 80, no. 2 (2021): 150–56. http://dx.doi.org/10.51488/1680-080x/2021.2-41.

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The article discusses the emergence of the problem of an avalanche collapse of a building and various ways to prevent collapse of structures. On the basis of world experience, recommendations are made for protection against avalanche collapse of high-rise buildings of various structural systems.
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Stewart, M. L., J. K. Russell, and C. J. Hickson. "Discrimination of hot versus cold avalanche deposits: Implications for hazard assessment at Mount Meager, B.C." Natural Hazards and Earth System Sciences 3, no. 6 (2003): 713–24. http://dx.doi.org/10.5194/nhess-3-713-2003.

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Abstract. The surficial deposits surrounding the Mount Meager volcanic complex include numerous avalanche deposits. These deposits share many attributes: (a) they are nearly monolithologic and comprise mainly intermediate volcanic rock clasts, (b) they lack internal structure, and (c) they are very poorly sorted. Despite these similarities, the avalanche deposits represent two distinct processes. Mass wasting of the Mount Meager volcanic edifice has produced cold rock avalanche deposits, whereas gravitational collapse of active lava domes and flows has produced hot block and ash avalanche depo
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Agatova, Anna, Roman Nepop, Dmitry Ganyushkin, Demberel Otgonbayar, Semen Griga, and Ivan Ovchinnikov. "Specific Effects of the 1988 Earthquake on Topography and Glaciation of the Tsambagarav Ridge (Mongolian Altai) Based on Remote Sensing and Field Data." Remote Sensing 14, no. 4 (2022): 917. http://dx.doi.org/10.3390/rs14040917.

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Strong earthquakes could serve as a trigger for glacier detachment and associated ice–rock avalanches. The 1988 Tsambagarav earthquake (M = 6.4) initiated collapse of part of the glacier tongue and a further ice–rock avalanche with an abnormal 5 km long path in Zuslan valley, Tsambagarav ridge (Mongolian Altai). Early documentation of surface effects in 1988, remote sensing and field data gathered 16 and 30 years after this event allowed for the assessment of the seismic impact on a reduction of “damaged” glacier under conditions of global warming as well as estimating topography changes in th
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Bovet, Eloise, Bernardino Chiaia, Valerio De Biagi, and Barbara Frigo. "Pressure of Snow Avalanches against Buildings." Applied Mechanics and Materials 82 (July 2011): 392–97. http://dx.doi.org/10.4028/www.scientific.net/amm.82.392.

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The paper aims to analyse the e ects of topography and building position on themagnitude of pressure exerted by snow avalanches against buildings, through a structural backanalysis and numerical uid-dynamics. Studying a real snow avalanche impact occurred in2008 which destroyed a village in Valsavarenche (Aosta Valley - IT), the attention is focused onthe avalanche ow deviation caused by the destructive interaction with a rst building, whichprotected part of a second building beyond it. By means of photographical and in situ survey,a detailed description of avalanche geometrical, dynamical and
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Jeitschko, Thomas D., and Curtis R. Taylor. "Local Discouragement and Global Collapse: A Theory of Coordination Avalanches." American Economic Review 91, no. 1 (2001): 208–24. http://dx.doi.org/10.1257/aer.91.1.208.

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We study a dynamic game in which all players initially possess the same information and coordinate on a high level of activity. Eventually, players with a long string of bad experiences become inactive. This prospect can cause a coordination avalanche in which all activity in the population stops. Coordination avalanches are part of Pareto-efficient equilibria; they can occur at any point in the game; their occurrence does not depend on the true state of nature; and allowing players to exchange information may merely hasten their onset. We present applications to search markets, organizational
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Plaza, F., M. G. Velarde, F. T. Arecchi, S. Boccaletti, M. Ciofini, and R. Meucci. "Excitability following an avalanche-collapse process." Europhysics Letters (EPL) 38, no. 2 (1997): 85–90. http://dx.doi.org/10.1209/epl/i1997-00205-7.

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Wadge, G., P. W. Francis, and C. F. Ramirez. "The Socompa collapse and avalanche event." Journal of Volcanology and Geothermal Research 66, no. 1-4 (1995): 309–36. http://dx.doi.org/10.1016/0377-0273(94)00083-s.

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Falaschi, Daniel, Andreas Kääb, Frank Paul, Takeo Tadono, Juan Antonio Rivera, and Luis Eduardo Lenzano. "Brief communication: Collapse of 4 Mm<sup>3</sup> of ice from a cirque glacier in the Central Andes of Argentina." Cryosphere 13, no. 3 (2019): 997–1004. http://dx.doi.org/10.5194/tc-13-997-2019.

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Abstract. Among glacier instabilities, collapses of large parts of low-angle glaciers are a striking, exceptional phenomenon. So far, merely the 2002 collapse of Kolka Glacier in the Caucasus Mountains and the 2016 twin detachments of the Aru glaciers in western Tibet have been well documented. Here we report on the previously unnoticed collapse of an unnamed cirque glacier in the Central Andes of Argentina in March 2007. Although of much smaller ice volume, this 4.2±0.6×106 m3 collapse in the Andes is similar to the Caucasus and Tibet ones in that the resulting ice avalanche travelled a total
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Dissertations / Theses on the topic "Avalanche collapse"

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Zorzi, Luca. "From Deep Seated Gravitational Movements to Rock Avalanches: the role of failure mechanism in sudden rock collapse." Doctoral thesis, Università degli studi di Padova, 2013. http://hdl.handle.net/11577/3423128.

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This project is focused on understanding the processes of failure evolution (from triggering to propagation) and deformation mechanisms of Deep Seated Gravitational Movement (DSGSD) and Rock Avalanches (RA) in massive brittle rock slopes. In particular, the focus of this work is directed to the failure mechanism of these phenomena, the influence of failure mechanisms on the slope stability and dynamics of the collapse. This research aims to improve the understanding and modeling of brittle fracture and progressive failure in massive metamorphic rock slopes though a combination of structural g
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Sicre, Mathieu. "Study of the noise aging mechanisms in single-photon avalanche photodiode for time-of-flight imaging." Electronic Thesis or Diss., Lyon, INSA, 2023. http://www.theses.fr/2023ISAL0104.

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Les diodes à avalanche à photon unique (SPAD) sont utilisées pour les capteurs à temps de vol afin de déterminer la distance d'une cible. Cependant, ils sont sujets à des déclenchements parasites par des porteurs de charge générés de manière parasitaire, quantifiés en tant que taux de comptage dans l’obscurité (DCR), ce qui peut compromettre la précision de la distance mesurée. Pour résoudre ce problème, une méthodologie de simulation a été mise en place pour évaluer le DCR. Cela est réalisé en simulant la probabilité de claquage d'avalanche, intégrée avec le taux de génération de porteurs de
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Andrade, Varela Santiago Daniel. "The influence of active tectonics on the structural development and flank collapse of Ecuadorian arc volcanoes." Clermont-Ferrand 2, 2009. http://www.theses.fr/2009CLF21957.

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Des approches géologiques et morphologiques, ainsi que des modèles analogiques, ont été utilisés pour étudier pour la première fois le rôle de la tectonique active durant le développement structural des volcans de l'arc équatorien. En Equateur, la morphologie des volcans reflète un développement structural complexe, influencé par la superposition de différentes interactions volcano-tectoniques, autant dans le régime gravitationnel local que dans le régime tectonique régional. Ces interactions peuvent contrôler le développement de structures volcaniques majeures, tels que les effondrements de f
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Books on the topic "Avalanche collapse"

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Louchet, Francois. Snow Avalanches. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198866930.001.0001.

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This work is a critical update of the most recent and innovative developments of the avalanche science. It aims at re-founding it on clear scientific bases, from field observations and experiments up to strong mathematical and physical analysis and modeling. It points out snow peculiarities, regarding both static mechanical properties and flow dynamics, that may strongly differ from those of compact solids for the former, and of Newtonian fluids for the latter. It analyzes the general processes involved in avalanche release, in terms of brittle fracture and ductile plasticity, specific frictio
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Roverato, Matteo, Anja Dufresne, and Jonathan Procter. Volcanic Debris Avalanches: From Collapse to Hazard. Springer International Publishing AG, 2021.

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Roverato, Matteo, Anja Dufresne, and Jonathan Procter. Volcanic Debris Avalanches: From Collapse to Hazard. Springer, 2020.

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Book chapters on the topic "Avalanche collapse"

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Endo, K., M. Sumita, M. Machida, and M. Furuichi. "The 1984 Collapse and Debris Avalanche Deposits of Ontake Volcano, Central Japan." In IAVCEI Proceedings in Volcanology. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73759-6_14.

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Bronto, Sutikno, Wartono Rahardjo, Pudjo Asmoro, Antonius Ratdomopurbo, Malia Adityarani, and Afrinia Permatasari. "The Godean Debris Avalanche Deposit From a Sector Collapse of Merapi Volcano." In Merapi Volcano. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-15040-1_7.

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Roverato, Matteo, Federico Di Traglia, Jonathan Procter, Engielle Paguican, and Anja Dufresne. "Factors Contributing to Volcano Lateral Collapse." In Volcanic Debris Avalanches. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-57411-6_5.

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Siebert, Lee, and Matteo Roverato. "A Historical Perspective on Lateral Collapse and Volcanic Debris Avalanches." In Volcanic Debris Avalanches. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-57411-6_2.

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Watt, Sebastian F. L., Jens Karstens, and Christian Berndt. "Volcanic-Island Lateral Collapses and Their Submarine Deposits." In Volcanic Debris Avalanches. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-57411-6_10.

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Schmincke, Hans-Ulrich, and Mari Sumita. "Instability of Oceanic Volcanic Edifices: Examples of Sector Collapse, Debris Avalanches, and Debris Flows from Gran Canaria (Canary Islands)." In Submarine Mass Movements and Their Consequences. Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-00972-8_54.

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Louchet, Francois. "Slab Avalanche Release: Data and Field Experiments." In Snow Avalanches. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198866930.003.0004.

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Starting zone sizes are shown to obey statistical laws, named “power laws”, stating that the recurrence time of an event of a given size increases in a precise proportion with its size. Extrapolation of such laws fitted on small-sized events allows a determination of recurrence times for big and uncommon events. The key role of the weak layer (WL) failure is illustrated by “Propagation Saw Tests” (PST), showing that the collapse of a WL zone of a few decimeters may act as a switch, triggering a very large scale spontaneous WL failure. However, the consequences of such a collapse may be damped
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Louchet, Francois. "Summary and Conclusion." In Snow Avalanches. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198866930.003.0008.

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A number of well-established physical and mechanical laws are often improperly applied to snow, which is a very particular medium regarding compacity, viscosity, friction, rupture, etc. Snow is described as a changeable granular and porous material, and analyzed using a combination of statistical and deterministic approaches, with the help of the theory of dynamical systems. Specific models are developed for slab, superficial, and full-depth avalanches. The series of successive physical mechanisms responsible for slab avalanche triggering is now perfectly known, involving weak layer collapse a
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"Emergencies: collapse and serious illness." In Oxford Handbook of Expedition and Wilderness Medicine, 3rd ed., edited by Jon Dallimore. Oxford University PressOxford, 2023. http://dx.doi.org/10.1093/med/9780198867012.003.0008.

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Abstract Collapse in young adults is very rare, but often very serious; in older travellers a cardiovascular cause should be sought. Initial assessment and resuscitation follow the usual algorithms, but in the wilderness, decisions may be complicated by lack of equipment and lengthy evacuation times. Specific problems include hypothermia, drowning, avalanche burial, and snake-bite envenoming. Initial care involves the Basic Life support algorithm (BLS) including cardiopulmonary resuscitation (CPR). Choking, if present, must be managed and an unconscious patient placed in the recovery position.
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Romero, Carmen, Inés Galindo, Nieves Sánchez, Esther Martín-González, and Juana Vegas. "Syn-Eruptive Lateral Collapse of Monogenetic Volcanoes: The Case of Mazo Volcano from the Timanfaya Eruption (Lanzarote, Canary Islands)." In Volcanoes - Updates in Volcanology [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.93882.

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The evolution of complex volcanic structures usually includes the occurrence of flank collapse events. Monogenetic cones, however, are more stable edifices with minor rafting processes that remove part of the cone slopes. We present the eruptive history of Mazo volcano (Lanzarote, Canary Islands), including the first detailed description of a syn-eruptive debris avalanche affecting a volcanic monogenetic edifice. The study and characterization, through new geological and morphological data and the analysis of a great number of documentary data, have made it possible to reinterpret this volcano
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Conference papers on the topic "Avalanche collapse"

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Degroote, Eugenio. "Avalanche-Collapse Process on Flame Spreading Over Liquid Fuels." In FRONTIERS OF FUNDAMENTAL PHYSICS: Eighth International Symposium FFP8. AIP, 2007. http://dx.doi.org/10.1063/1.2737001.

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Harvey, Jonathan, Greg Palese, Lyle Denny, and Brendon Quirk. "THE ELK CREEK, CO ROCK AVALANCHE – A CATASTROPHIC VALLEY WALL COLLAPSE TRIGGERED BY DEGLACIATION?" In GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-381359.

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Hollander, J. A., G. Walton, M. Villeneuve, G. Salas, and C. Luza. "Slope Stability Finite Element Modeling of El Misti Volcano, Peru." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0811.

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ABSTRACT: El Misti is a 5822 m elevation symmetrical, andesitic stratovolcano located near the city of Arequipa in Peru. Numerous historic debris and avalanche deposits indicate that the volcano slopes could be unstable, and that seismic or volcanogenic activity might have the potential to trigger movement that could threaten Arequipa. To evaluate this potential, a cross-section was first developed along a transect from the summit southwest towards Arequipa based on available geologic information. The stability of the southwestern slope of El Misti approaching Arequipa was then investigated us
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Ferrusquia Villafranca, Ismael, José Ramón Torres-Hernández, and José E. Ruiz-González. "THE FIRST DOCUMENTED EOCENE VOLCANIC AVALANCHE (NDUAYACO V. A.) OF MEXICO, EVIDENCE OF PARTIAL COLLAPSE SECTOR OF A VOLCANO ADJACENT TO THE TAMAZULAPAM FAULT IN NORTHWESTERN OAXACA." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-300977.

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Hanson, Richard E., W. Guthrie McLain, David S. Harwood, and Steven J. Singletary. "PETROLOGY OF MEGABLOCKS IN A LARGE-SCALE PLIOCENE VOLCANIC DEBRIS AVALANCHE DEPOSIT IN THE NORTHERN SIERRA NEVADA, CALIFORNIA: INSIGHTS INTO MAGMATIC EVOLUTION AND PARTIAL COLLAPSE OF AN ANCESTRAL CASCADES STRATOVOLCANO." In GSA Connects 2023 Meeting in Pittsburgh, Pennsylvania. Geological Society of America, 2023. http://dx.doi.org/10.1130/abs/2023am-395001.

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Babaei, M. H. "Collapse of Rectangular Granular Piles in Air and Water." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-65012.

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Granular materials are processed in many industries including agricultural, pharmaceutical, mining, and oil-sand and several geophysical processes such as landslides and avalanches. There are few models capable of predicting the flow of granular materials and particularly their collapse. Theoretical studies of the topic usually encounter difficulties in accurately predicting the collapse dynamics and final stable heaps. The two-dimensional gravitational collapse of cohesionless rectangular granular piles is numerically investigated in this paper. Piles surrounded by either air (dry case) or an
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Keats, Daphne, and Shuguang Wang. "The Background to the Research: Cultural, Theoretical and Methodological Issues." In International Association of Cross Cultural Psychology Congress. International Association for Cross-Cultural Psychology, 2013. http://dx.doi.org/10.4087/rzib1678.

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The disastrous earthquake of 12 May, 2008 had its greatest impact on the Qiang people, an ethnic minority living in the mountainous regions of Sichuan at the earthquake’s epicentre. Over 80,000 people died, over a million were injured or missing, most buildings collapsed and most homes were demolished under the avalanches. Thousands of children were evacuated to safety, some moved to far distant locations. The research team from the University of Newcastle responded to the plea of the Qiang leaders to help the children. In cooperation with the China-Australia Centre for Cross-Cultural Studies,
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Reports on the topic "Avalanche collapse"

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Glazier, J. A. Fingering Instabilities, Collapse, Avalanches and Self-Organized Criticality in Liquid Foams. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/837077.

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