15% space round Mussoorie extremely prone to landslides, say geologists

Tribune News Service

Chandigarh, August 31

About 15 per cent of the area across the standard vacationer city of Mussoorie is extremely prone to landslides, just lately carried out geological surveys have revealed.

Like most hill townships, Mussoorie in Uttarakhand has witnessed a number of landslides, ensuing from an elevated spate of developmental actions.

The elevated catastrophe hazard has led scientists to map the landslide susceptibility of the world.

Scientists from Wadia Institute of Himalayan Geology (WIHG) – an autonomous institute below the Department of Science and Technology – carried out the research in Mussoorie township and its environment masking 84 sq. km within the Lesser Himalayas.

The research might assist provoke a big scale landslide hazard, danger, and vulnerability evaluation of the hilly townships in numerous components of India, the Ministry of Science and Technology mentioned on Monday.

The scientists discovered that dominant a part of the world falling below very excessive and excessive landslide prone zone lies in a number of settlement areas and standard spots like Kempty Falls.  These are coated by extremely fractured Krol limestone exhibiting slope greater than 60 levels.

The Landslide Susceptibility Mapping (LSM) revealed within the Journal of Earth System Science additionally confirmed that about 29 per cent of the world falls within the average landslide prone zone and 56 per cent falls in low to very low landslide prone zone.

The researchers from the WIHG carried out the research utilizing Geographic Information System (GIS) and high-resolution satellite tv for pc imageries.

According to the researchers, numerous doable causative elements of landslides within the research space embody lithology, landuse-landcover, slope, side, curvature, elevation, road-cut drainage, and lineament. 

The WIHG group obtained Landslide Occurrence Favourability Score (LOFS) for a specific class of the causal issue of landslide and subsequently calculated the burden of every issue of landslide to lastly generate Landslide Susceptible Index (LSI) in GIS platform. This has been reclassified into 5 zones utilizing pure break standards.

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