2013
DOI: 10.1080/19475705.2013.862573
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Glacial lake outburst flood risk assessment using combined approaches of remote sensing, GIS and dam break modelling

Abstract: A great number of glacial lakes have appeared in many mountain regions across the world during the last half-century due to receding of glaciers and global warming. In the present study, glacial lake outburst flood (GLOF) risk assessment has been carried out in the Teesta river basin located in the Sikkim state of India. First, the study focuses on accurate mapping of the glaciers and glacial lakes using multispectral satellite images of Landsat and Indian Remote Sensing satellites. For glacier mapping, normal… Show more

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Cited by 56 publications
(25 citation statements)
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References 14 publications
(16 reference statements)
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“…However, monitoring the changes using traditional ground surveys is very labor-intensive due to the remoteness and the harsh environments of the TP. 11 The developments of remote sensing and geographic information system technologies can remedy the limitations of traditional ground surveys and make it possible to continuously and consistently monitor the vegetation changes in the TP. Of the many remote sensing techniques for analyzing vegetation dynamics, vegetation indices have been developed and widely used to quantitatively estimate biomass and to evaluate vegetation conditions.…”
Section: Introductionmentioning
confidence: 99%
“…However, monitoring the changes using traditional ground surveys is very labor-intensive due to the remoteness and the harsh environments of the TP. 11 The developments of remote sensing and geographic information system technologies can remedy the limitations of traditional ground surveys and make it possible to continuously and consistently monitor the vegetation changes in the TP. Of the many remote sensing techniques for analyzing vegetation dynamics, vegetation indices have been developed and widely used to quantitatively estimate biomass and to evaluate vegetation conditions.…”
Section: Introductionmentioning
confidence: 99%
“…This has not always been done in previous studies (e.g. Costa and Schuster, 1988;Huggel et al, 2004;Bolch et al, 2008;Emmer and Vilimek, 2013;Aggarwal et al, 2016;Rounce et al, 2016). Table 1 shows the exhaustive list of 79 criteria from which 13 have been selected.…”
Section: The Description Problem: Determining the Criteria That Definmentioning
confidence: 99%
“…In this study, we have presented an MCDA approach that offers several key benefits for GLOF hazard and risk assessment that make it particularly useful in such situations. In common with some, but not all, previous studies (Fujita et al, 2008;Bolch et al, 2011;Aggarwal et al, 2016;Petrov et al, 2017), our MCDA approach uses free and widely available datasets or inputs, and there is no need for the inclusion of any field data -all of the information can be gathered and processed remotely as a desk-based study. Certainly, additional field-based data or higher resolution satellite imagery or elevation data would be advantageous, and could be incorporated into the MCDA model, but we have shown here, through comparisons with previous studies and sensitivity analyses, that this approach is already robust.…”
Section: The Use Of Mcda In Glof Risk Assessmentsmentioning
confidence: 99%
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“…(2) Modelling of floods' characteristics and effects, including flood hydrographs, inundation area, flow competence and mobilisation of sediments (Aggarwal et al, 2016;Anacona et al, 2015;Westoby et al, 2014aWestoby et al, , 2014b. (3) Practical application and protection of people/ infrastructure (Anacona et al, 2015;Carey et al, 2012;Carrivick & Tweed, 2016;Cook et al, 2016;Kattelmann, 2003).…”
Section: Introductionmentioning
confidence: 99%