NDLI: The evolution of Petrov lake and moraine dam rupture risk (Tien-Shan, Kyrgyzstan)

Content Provider	Springer Nature Link
Author	Janský, Bohumír Engel, Zbyněk Šobr, Miroslav Beneš, Vojtěch Špaček, Karel Yerokhin, Serguei
Copyright Year	2008
Abstract	An interdisciplinary study of glacier-related hazards in the Petrov lake region (Ak-Shiirak Range, the Inner Tien-Shan, Kyrgyzstan) has been undertaken to identify potential dangers to the area. A cooperative effort from experts in the fields of hydrology, glaciology, geomorphology and geophysics has been employed in this study. For the hazard assessment, evolution of the Petrov glacier and lake was reconstructed using historical reports, aerial photographs and satellite images. Geomorphological mapping and geophysical soundings was applied to the lake territory and the moraine dam. This has identified potentially hazardous areas of the dam including subsurface drainage zones and cracks that could cause a sudden extremely high discharge. In the past three decades, the Petrov lake has doubled in size, while in recent years, its area has been increasing by more than 92,000 square metres per year. Although there is no evidence for an imminent outburst, the dramatic increase in the lake’s size emphasizes the importance of this study.
Starting Page	83
Ending Page	96
Page Count	14
File Format	PDF
ISSN	0921030X
Journal	Natural Hazards
Volume Number	50
Issue Number	1
e-ISSN	15730840
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-11-25
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Moraine-dammed lake Rupture risk Bathymetry Geophysical measurements Glacier fluctuations Petrov glacier Tien-Shan Environmental Management Civil Engineering Geotechnical Engineering Geophysics/Geodesy Hydrogeology
Content Type	Text
Resource Type	Article
Subject	Atmospheric Science Water Science and Technology

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