2012
DOI: 10.1016/j.jhydrol.2012.04.013
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Analysis and dynamic modeling of a moraine failure and glacier lake outburst flood at Ventisquero Negro, Patagonian Andes (Argentina)

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Cited by 156 publications
(150 citation statements)
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“…Diamictons have been associated with variable porosity values (e.g. Parriaux and Nicoud, 1990;Kilfeather and van der Meer, 2008;Burki et al, 2010;Worni et al, 2012).…”
Section: Accepted M Manuscriptmentioning
confidence: 99%
“…Diamictons have been associated with variable porosity values (e.g. Parriaux and Nicoud, 1990;Kilfeather and van der Meer, 2008;Burki et al, 2010;Worni et al, 2012).…”
Section: Accepted M Manuscriptmentioning
confidence: 99%
“…Comparison with other documented moraine-dam failures Geomorphological reworking of valley-floors downstream of moraine-dammed lakes by GLOFs has been widely documented (Clague and Evans, 2000;Richardson and Reynolds, 2000;Cenderelli and Wohl, 2003;Korup and Tweed, 2007;Osti and Egashira, 2009;Worni et al, 2012). In many instances, distinct alluvial debris-fans similar to that observed beneath the main breach at Chukhung are located immediately downstream of moraine (Vuichard and Zimmerman, 1987;Evans and Clague, 1994;Kershaw et al, 2005) and landslide dambreaches (Dunning et al, 2006).…”
Section: Discussion and Interpretationmentioning
confidence: 93%
“…Given a triggering event, moraine-breaching may result in a sudden and rapid release of significant volumes of water and sediment (Lliboutry et al, 1977;Vuichard and Zimmerman, 1987;Costa and Schuster, 1988;Evans and Clague, 1994;Walder and Driedger, 1994;Watanabe and Rothacher, 1996;Clague and Evans, 2000;Cenderelli and Wohl, 2001;Kattelmann, 2003;Xin et al, 2008;Osti et al, 2013;Westoby et al, 2014). Such Glacial Lake Outburst Floods (GLOFs) represent a highmagnitude and low-frequency catastrophic phenomenon, and are capable of performing significant geomorphological reworking of moraine, in-channel and overbank environments (Costa and Schuster, 1988;Cenderelli and Wohl, 2003;Kershaw et al, 2005;Breien et al, 2008;Worni et al, 2012). GLOFs may also have devastating impacts on downstream settlements and infrastructure, and result in significant loss of life (Reynolds, 1998;Richardson and Reynolds, 2000).…”
Section: Introductionmentioning
confidence: 99%
“…BASEMENT is used to model the dynamic moraine erosion resulting from an overtopping wave. Under this approach, the analysis follows a similar procedure to that applied by Worni et al (2012Worni et al ( , 2014 at Lake Ventisquero Negro, but it reduces the limitations on modeling waves that can cause further moraine collapse by using external results from FLOW3D to calibrate the BASE-MENT model. This has allowed exploration of the possibility of full, partial or even null breaches at Lake Palcacocha according to flow characteristics while accounting for soil and morphological properties as well.…”
Section: Introduction To Glacial Lake Hazard Process Chain Modelingmentioning
confidence: 99%
“…The resulting lake outburst floods, after breaching or overtopping of the moraine, comprise highly unsteady flows that are characterized by pronounced changes as they propagate downstream (Worni et al, 2012). Calculating downstream inundation caused by a GLOF event requires the simulation of debris flow propagation, since sediment entrainment can cause the volume and peak discharge to increase by as much as 3 times (Worni et al, 2014;Osti and Egashira, 2009).…”
Section: Introduction To Glacial Lake Hazard Process Chain Modelingmentioning
confidence: 99%