Abstract
This study basically deals with the identification of glacier terminus position. The data used include Toposheets, Landsat TM, MSS, ETM+ and OLI/TIRS sensors. Firstly, converts the Landsat DN images are converted into Reflectance images using formulae from Landsat Handbook. The formulae were implemented using Raster calculator following the ARC GIS 10.2 software. Secondly, the NDVI and NDWI images were created and used for the identification of glacier terminus positions for a period 1990–2012 for a glacier in Alaknanda basin, while for the glacier in Indus basin an analysis was made for the period 1963–2013. Glacier terminus is considered as the starting point of the river from it. Further, the altitude of snout position was marked, and elevation value was obtained using Cartosat DEM. In addition, the retreat rate of glaciers was determined per year. A linear regression model was derived for the altitude position of glacier terminus, which gave a good value of coefficient of determination. A comparison was made on the predicted value of 2013, altitude position from ANN and linear regression model. It was observed that the ANN predicted results with a better accuracy. Further analysis was made on future affect of such a glacier retreat on cold water habitat, on crop irrigation and on the fisheries.
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Nijhawan, R., Jain, K. (2018). Glacier Terminus Position Monitoring and Modelling Using Remote Sensing Data. In: Singh, M., Gupta, P., Tyagi, V., Flusser, J., Ören, T. (eds) Advances in Computing and Data Sciences. ICACDS 2018. Communications in Computer and Information Science, vol 906. Springer, Singapore. https://doi.org/10.1007/978-981-13-1813-9_2
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DOI: https://doi.org/10.1007/978-981-13-1813-9_2
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