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Rainfall Induced Landslide Studies in Indian Himalayan Region: A Critical Review

1
Centre for Advanced Modeling and Geospatial Information Systems (CAMGIS), University of Technology, Sydney, NSW 2007, Australia
2
Department of Civil Engineering, Delhi Technological University, Shahbad Daulatpur, Delhi 110042, India
3
Department of Energy and Mineral Resources Engineering, Sejong University, Choongmu-gwan, 209 Neungdong-ro, Gwangjin-gu, Seoul 05006, Korea
4
Department of Earth Sciences, University of Firenze, Via Giorgio La Pira, 4, 50121 Florence, Italy
5
Department of Geology & Geophysics, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
*
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(7), 2466; https://doi.org/10.3390/app10072466
Received: 25 February 2020 / Revised: 31 March 2020 / Accepted: 31 March 2020 / Published: 3 April 2020
(This article belongs to the Special Issue Recent Advances in Geographic Information System for Earth Sciences)
Landslides are one of the most devastating and recurring natural disasters and have affected several mountainous regions across the globe. The Indian Himalayan region is no exception to landslide incidences affecting key economic sectors such as transportation and agriculture and often leading to loss of lives. As reflected in the global landslide dataset, most of the landslides in this region are rainfall triggered. The region is prone to 15% of the global rainfall-induced landslides, and thereby a review of the studies in the region is inevitable. The high exposure to landslide risk has made the Indian Himalayas receive growing attention by the landslides community. A review of landslides studies conducted in this region is therefore important to provide a general picture of the state-of-the-art, a reference point for researchers and practitioners working in this region for the first time, and a summary of the improvements most urgently needed to better address landslide hazard research and management. This article focuses on various studies ranging from forecasting and monitoring to hazard and susceptibility analysis. The various factors used to analyze landslide are also studied for various landslide zones in the region. The analysis reveals that there are several avenues where significant research work is needed such as the inclusion of climate change factors or the acquisition of basic data of highest quality to be used as input data for computational models. In addition, the review reveals that, despite the entire region being highly landslide prone, most of the studies have focused on few regions and large areas have been neglected. The aim of the review is to provide a reference for stakeholders and researchers who are currently or looking to work in the Indian Himalayas, to highlight the shortcomings and the points of strength of the research being conducted, and to provide a contribution in addressing the future developments most urgently needed to obtain a consistent advance in landslide risk reduction of the area. View Full-Text
Keywords: Indian Himalayas; landslides; GIS; remote sensing Indian Himalayas; landslides; GIS; remote sensing
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MDPI and ACS Style

Dikshit, A.; Sarkar, R.; Pradhan, B.; Segoni, S.; Alamri, A.M. Rainfall Induced Landslide Studies in Indian Himalayan Region: A Critical Review. Appl. Sci. 2020, 10, 2466. https://doi.org/10.3390/app10072466

AMA Style

Dikshit A, Sarkar R, Pradhan B, Segoni S, Alamri AM. Rainfall Induced Landslide Studies in Indian Himalayan Region: A Critical Review. Applied Sciences. 2020; 10(7):2466. https://doi.org/10.3390/app10072466

Chicago/Turabian Style

Dikshit, Abhirup; Sarkar, Raju; Pradhan, Biswajeet; Segoni, Samuele; Alamri, Abdullah M. 2020. "Rainfall Induced Landslide Studies in Indian Himalayan Region: A Critical Review" Appl. Sci. 10, no. 7: 2466. https://doi.org/10.3390/app10072466

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