Reservoir induced landslide at Assar, Jammu and Kashmir: A case study

In February 2009, a huge landslide occurred at Assar in Doda district of Jammu and Kashmir state. The slide triggered after the reservoir level of the Baglihar dam increased from initial water level of 850 m to 870 m. The impounding of reservoir water created high angle scarps at number of fossil sl...

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Published inJournal of the Geological Society of India Vol. 80; no. 3; pp. 435 - 439
Main Authors Singh, Yudhbir, Bhat, G. M., Sharma, Vinay, Pandita, S. K., Thakur, K. K.
Format Journal Article
LanguageEnglish
Published India Springer-Verlag 01.09.2012
Springer Nature B.V
Subjects
Boulders
Case studies
Dams
Districts
Earth and Environmental Science
Earth Sciences
Fossils
Geology
Gravel
Hydrogeology
Landslides
Landslides & mudslides
Reservoirs
Roads
Sand
Swelling
Water levels
Kashmir
Jammu India
India
Doda
Landslide
Pore Water Pressure
Assar
Baglihar
Jammu
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Summary:In February 2009, a huge landslide occurred at Assar in Doda district of Jammu and Kashmir state. The slide triggered after the reservoir level of the Baglihar dam increased from initial water level of 850 m to 870 m. The impounding of reservoir water created high angle scarps at number of fossil slide sites on either side of the river within the reservoir area. One such scarp (about 250 m long) at Assar caused a huge landslide washing out about 150 m road stretch. The sliding material is dominated by finer fraction (71.5 %) of micaceous silty sand and coarser fraction of gravel to boulder size. Over saturation of the slope forming material, weak rocks and high absorption and swelling nature of the soil, high slope angle and toe cutting by the water are the main reasons that triggered this slide.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0016-7622
0974-6889
DOI:10.1007/s12594-012-0162-4