2018
DOI: 10.1007/s11069-018-3486-6
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Modelling glacial lake outburst flood impacts in the Bolivian Andes

Abstract: The Bolivian Andes have experienced sustained and widespread glacier mass loss in recent decades. Glacier recession has been accompanied by the development of proglacial lakes, which pose a glacial lake outburst flood (GLOF) risk to downstream communities and infrastructure. Previous research has identified three potentially dangerous glacial lakes in the Bolivian Andes, but no attempt has yet been made to model GLOF inundation downstream from these lakes. We generated 2-m resolution DEMs from stereo and tri-s… Show more

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Cited by 47 publications
(25 citation statements)
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References 55 publications
(123 reference statements)
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“…Outburst flood simulation can be a cost-effective tool for hazard assessment and mitigation planning in mountainous terrain (e.g., Allen et al, 2016;Bajracharya et al, 2007;Frey et al, 2018;Kougkoulos et al, 2018;Schneider et al, 2014;Shrestha et al, 2010;Wang et al, 2018). However, most such modeling has been limited to relatively small events (but c.f., Risley et al, 2006).…”
Section: 1029/2018jf004778mentioning
confidence: 99%
See 1 more Smart Citation
“…Outburst flood simulation can be a cost-effective tool for hazard assessment and mitigation planning in mountainous terrain (e.g., Allen et al, 2016;Bajracharya et al, 2007;Frey et al, 2018;Kougkoulos et al, 2018;Schneider et al, 2014;Shrestha et al, 2010;Wang et al, 2018). However, most such modeling has been limited to relatively small events (but c.f., Risley et al, 2006).…”
Section: 1029/2018jf004778mentioning
confidence: 99%
“…Some studies of ancient outburst floods have related simulated hydraulics to geomorphic features and deposits (e.g., Alho et al, 2010;Bohorquez et al, 2015;Denlinger & O'Connell, 2009;O'Connor, 1993;Komatsu et al, 2009;Larsen & Lamb, 2016;Miyamoto et al, 2006), and recent work on modern outburst floods has begun to examine relationships between hydraulics and geomorphology (e.g., Cook et al, 2018;Kougkoulos et al, 2018). Building on this prior work, we focus on the interaction of the flow with valley topography to address how outburst flood hydraulics relate to slackwater sand and boulder bar deposition, with implications for bed armoring and roughness relevant to long-term river incision.…”
Section: Implications Of Outburst Flood Hydraulics For Deposition Bementioning
confidence: 99%
“…In addition to other features, this model can simulate two-dimensional unsteady river hydraulics. HEC-RAS was chosen, because it is freely available and has already delivered realistic results in other studies [18,22,23,25,26]. A full model description can be found in [27].…”
Section: Hydrodynamic Modelling Using Hec-ras 507mentioning
confidence: 99%
“…The HEC-RAS 1D model [39] was employed to model a series of potential GLOF events of Safed Lake. Despite that this tool has not been widely employed in Uttarakhand previously, it has been successfully employed in GLOF modeling (both reconstructing past GLOFs and modeling potential future GLOFs) in different geographical settings and contexts (e.g., [40][41][42]). As such, we were convinced this tool would provide physically plausible modeling results in our case too.…”
Section: Hazard Assessment Of Safed Lakementioning
confidence: 99%