Articles | Volume 74, issue 1
Geogr. Helv., 74, 125–139, 2019
https://doi.org/10.5194/gh-74-125-2019

Special issue: Different approaches to landform monitoring

Geogr. Helv., 74, 125–139, 2019
https://doi.org/10.5194/gh-74-125-2019
Standard article
28 Mar 2019
Standard article | 28 Mar 2019

Glacial lake outburst flood hazard assessment by satellite Earth observation in the Himalayas (Chomolhari area, Bhutan)

Cristian Scapozza et al.

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Cited articles

Allen, S. K., Linsbauer, A., Randhawa, S. S., Huggel, C., Rana, P., and Kumari, A.: Glacial lake outburst flood risk in Himachal Pradesh, India: an integrative and anticipatory approach considering current and future threat, Nat. Hazards, 84, 1741–1763, https://doi.org/10.1007/s11069-016-2511-x, 2016. 
Ambrosi, C. and Scapozza, C.: Improvements in 3-D digital mapping for geomorphological and Quaternary geological cartography, Geogr. Helv., 70, 121–133, https://doi.org/10.5194/gh-70-121-2015, 2015. 
Ambrosi, C., Strozzi, T., Scapozza, C., and Wegmüller, U.: Landslide hazard assessment in the Himalayas (Nepal and Bhutan) based on Earth-Observation data, Eng. Geol., 237, 217–228, https://doi.org/10.1016/j.enggeo.2018.02.020, 2018. 
Bamler, R. and Hartl, P.: Synthetic aperture radar interferometry, Inverse Probl., 14, R1–R54, 1998. 
Bælum, K. and Benn, D. I.: Thermal structure and drainage system of a small valley glacier (Tellbreen, Svalbard), investigated by ground penetrating radar, The Cryosphere, 5, 139–149, https://doi.org/10.5194/tc-5-139-2011, 2011. 
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Short summary
A glacial lake outburst flood hazard assessment by satellite Earth observation and numerical modelling was done for the lakes linked to the Thangothang Chhu glacier, Chomolhari area (Bhutan), combining detailed geomorphological mapping, landslide and rock glacier inventories, as well as surface displacements quantified by satellite InSAR. Outburst scenario modelling revealed that only a flood wave can have an impact on the two human settlements located downslope of the glacier.