Articles | Volume 19, issue 3
Hydrol. Earth Syst. Sci., 19, 1401–1412, 2015
Hydrol. Earth Syst. Sci., 19, 1401–1412, 2015

Research article 13 Mar 2015

Research article | 13 Mar 2015

Assessing downstream flood impacts due to a potential GLOF from Imja Tsho in Nepal

M. A. Somos-Valenzuela et al.

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Modeling a glacial lake outburst flood process chain: the case of Lake Palcacocha and Huaraz, Peru
Marcelo A. Somos-Valenzuela, Rachel E. Chisolm, Denny S. Rivas, Cesar Portocarrero, and Daene C. McKinney
Hydrol. Earth Syst. Sci., 20, 2519–2543,,, 2016
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Predicting outflow induced by moraine failure in glacial lakes: the Lake Palcacocha case from an uncertainty perspective
D. S. Rivas, M. A. Somos-Valenzuela, B. R. Hodges, and D. C. McKinney
Nat. Hazards Earth Syst. Sci., 15, 1163–1179,,, 2015
Changes in Imja Tsho in the Mount Everest region of Nepal
M. A. Somos-Valenzuela, D. C. McKinney, D. R. Rounce, and A. C. Byers
The Cryosphere, 8, 1661–1671,,, 2014

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Cited articles

Alkema, D. and Middelkoop, H.: The Influence of Floodplain Compartmentalization on Flood Risk within the Rhine-Meuse Delta, Nat. Hazards, 36, 125–145, 2005.
Bajracharya, B. and Uddin, K.: Study of Land Cover Dynamics in Sagarmatha National Park and Buffer Zone, 10th Int. Symp. High Mt. Remote Sens. Cartogr. (Kathmandu, Nepal, 12–19 September 2008), 125–132, 2010.
Bajracharya, S. R., Mool, P. K., and Shrestha, B. R.: Impact of Climate Change on Himalayan Glaciers and Glacial Lakes Case Studies on GLOF and Associated Hazards in Nepal and Bhutan, International Centre for Integrated Mountain Development (ICIMOD), Kathmandu, 2007a.
Bajracharya, B., Shrestha, A. B., and Rajbhandari, L.: Glacial lake outburst floods in the Sagartmatha regions: hazard assessment using GIS and hydrological modeling, Mountain Res. Develop., 27, 336–344, 2007b.
Bolch, T., Buchroithner, M. F., Peters, J., Baessler, M., and Bajracharya, S.: Identification of glacier motion and potentially dangerous glacial lakes in the Mt. Everest region/Nepal using spaceborne imagery, Nat. Hazards Earth Syst. Sci., 8, 1329–1340,, 2008.
Short summary
The potential flooding impacts from Imja glacial lake in Nepal were studied using a two-dimensional debris-flow model to evaluate the effectiveness of proposed measures to reduce possible flooding impacts to downstream communities by lowering the lake level. The results indicate that only a minor benefits is achieved with modest (~3m) lowering and lowering of 20m almost eliminates all flood impact at Dingboche.