Anthropogenically accelerated mass movement, Kulu Valley, Himachal Pradesh, India

Sah, M. P.; Mazari, R. K.

doi:10.1016/s0169-555x(98)00054-3

Cited by 52 publications

(11 citation statements)

References 4 publications

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“…1). Slopes on the outsides of a meander are prone to failure due to this steepness (For instance, Sah and Mazari 1998). Secondly the slope was prone to deep-seated landslides due to the geologic structure of the dip-slope (Fig.…”

Section: Causes Of the Slidementioning

confidence: 98%

Sequential processes in a landslide hazard at a slate quarry in Okayama, Japan

et al. 2008

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The 12 March 2001 landslide at a slate quarry in Okayama, Japan killed three workers. Composite studies based on field surveys of the landslide slope, interviews with local residents and quarry workers, and inspections of hydrological and seismological data have been used to clarify the causes of this slide and its movements. The results indicate that the landslide was enabled firstly by the steepness of the slope, which had been undercut by river; secondly, the structure was that of a dip-slope that was prone to deepseated slides along bedding planes; thirdly, numerous joints and faults were present. Surprisingly, rainfall, earthquakes, and explosions do not appear to have played any role in the triggering of this slide. The interviews demonstrated that the frequency of precursory failures increased over a period of several hours before the 12 March 2001 landslide. Inspection of the seismograph records and the eyewitness evidence both indicate that the main part of the landslide consisted of two phases of slope failure within 23 s. After the slide, the frequency of the failures gradually decreased with time over a period of several days. Three new terms are proposed for landslides: foreslide, mainslide, and afterslide, following the terms foreshock, main shock, and aftershock used in seismology.

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Section: Causes Of the Slidementioning

confidence: 98%

Sequential processes in a landslide hazard at a slate quarry in Okayama, Japan

et al. 2008

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“…The flash floods were also correlated to extreme rainfall and occasional cloudburst events during monsoon from mid-July to mid-September. The 1995 flash flood caused massive landslide at Luggar Bhatti near Kullu, Himachal Pradesh collapsed 65 persons including heavy property damages, overturning a suspension bridge and eroding bridge abutment (Sah and Mazari 1998). Earlier in 1993, flash floods affected the town of Manali, India where massive bank erosion and flood water damaged many buildings and roads.…”

Section: Cloudbursts In Himachal Pradesh Western Himalaya Indiamentioning

confidence: 99%

Mountain hazard susceptibility and livelihood security in the upper catchment area of the river Beas, Kullu Valley, Himachal Pradesh, India

Prasad

Pandey

Leimgruber

et al. 2016

Geoenviron Disasters

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Background: Natural hazards have had significant impacts on life, livelihood and property in the mountain regions. Hazards identification in high mountain areas involved intensive and lengthy fieldwork and mapping with the interpretation of landforms and its related hazards, compulsion of increasing intensity of land-use and careless application of technology leading to further land degradation. Frequent occurrences of hazards such as landslides, snow avalanche, floods and other types of mass wasting are becoming common features in mountainous regions. Results: Himalayan watershed has undergone a most dynamic change in land-use owing to the rapid increase in the population. The change in biophysical systems posed the direct bearing on the hydrological regime of Beas River. The peoples' perceptions regarding origin of hazards and techniques of control to the hazards showed that indigenous and lowland communities are more susceptible to hazards. Deforestation, slope cutting, construction of roads and heavy rainfall were high responsible factors resulting frequent landslides and soil erosion. Hazards cannot be avoided, however their disastrous pursuits can be lessened through pro-active uses of a variety of planning measures, infrastructure and risk transfer mechanism. Afforestation, embankment, better drainage techniques on slope, check on urban sprawl, and ecotourism are effective techniques to offset the local hazards and livelihood vulnerabilities.Conclusion: Owing to the typical geomorphic setting such as high relief variations, thick forest cover, presence of glacier and glacial lakes along the higher reaches, the Beas River is prone to cloudbursts, flash floods, forest fires, landslides and mass movement. The sustainable livelihood of Beas River may best be bestowed by enhanced landuses aided by technologies of bio-engineering, denaturalization of degraded mountain geosystem and resilience for changes.

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“…Because of the constrained nature of the Kullu Valley and rapid expansion of settlements and infrastructure, there is uninterrupted tendency to encroach the exposed river bed and hence severe damages during higher discharge conditions of the Beas River and its tributaries. The adverse impact of rapid demographic growth and associated infrastructure development is obvious from the fact that considerable damages occur in the Kullu Valley during the flash floods, for example August 1995 (SAH and MAZARI 1998), July and August 2003 and July 2005 (THE TRIBUNE dated July 12 2005) caused heavy damages to life and property in the area. As per reports the flood of July 5 and 6, 2005 (THE TRIBUNE dated July 12, 2005) was the worst in the last 20 years, and it caused considerable damage to many establishments located in the active flood plain areas in the Kullu Valley and its tributary valleys.…”

Section: Natural Constraints Demographic Development and Anthropogenmentioning

confidence: 99%

“…The 1995 flash flood caused massive landslide at Luggar Bhatti near Kullu killing 65 persons besides heavy damages of property, including overturning suspension bridge and eroding bridge abutment (SAH and MAZARI 1998). Earlier in 1993 flash floods affected Manali Township where massive bank erosion and flood water damaged many buildings and roads.…”

Section: Flash Floodsmentioning

confidence: 99%

An overview of the geoenvironmental status of the Kullu Valley, Himachal Pradesh, India

Sah

Mazari

2007

J. Mt. Sci.

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The north-south trending Kullu valley between Rohtang in the north and Hansu in the south is a wide and open valley filled with Quaternary sediments along the main course of the Beas River. The valley in the middle is drained by the Beas River and numerous tributaries join it laterally. The tributary channels have deposited large alluvial fans at their mouths which form three distinct levels. The Beas River has deposited alluvial terraces, which are very distinct towards the lower reaches and form three to four levels. The upper slopes and high altitudinal areas are covered with periglacial and glacial deposits. The terrace, fan and hill slopes have provided an ideal geoenvironment for human activities including agriculture, horticulture, dense settlements and other civil establishments.The Kullu Valley is prone to various natural hazards, flash floods and cloudbursts that are very common in this valley due to its peculiar geomorphic condition, high relief of peripheral ridges and impact of monsoon winds. The studies carried out so far indicate that the losses caused by these phenomena both in terms of life and property are mainly due to unwise human interaction with the geoenvironment of the area. The paper gives an overview of the geoenvironmental status of the Kullu Valley and suggests the necessity of undertaking further detailed studies including resource mapping for balanced development of the area.

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Anthropogenically accelerated mass movement, Kulu Valley, Himachal Pradesh, India

Cited by 52 publications

References 4 publications

Sequential processes in a landslide hazard at a slate quarry in Okayama, Japan

Sequential processes in a landslide hazard at a slate quarry in Okayama, Japan

Mountain hazard susceptibility and livelihood security in the upper catchment area of the river Beas, Kullu Valley, Himachal Pradesh, India

An overview of the geoenvironmental status of the Kullu Valley, Himachal Pradesh, India

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