Abstract
Shah Glacier is the longest glacier in the Ravi basin of Himachal Himalaya, (India). This glacier was monitored for frontal changes for almost half a century (1965–2013) using high (Corona) to medium (Landsat TM/ETM+/OLI PAN, ASTER) satellite resolution data. Extensive field measurements were carried out in 2010 to validate remotely sensed measurements. Results show that the Shah Glacier retreated ~479.1 ± 34.4 m (~10 ± 0.7 m a−1), whereas, total area lost is estimated to be 0.21 ± 0.01 km2 (~0.004 ± 0.0002 km2 a−1) during 1965–2013. The terminus retreat rate and frontal area change for Shah Glacier is many degrees (1.6 and 3.4 times, respectively) higher as compared the glacier outlines (2013) with the historical glacier outlines derived from the Survey of India (SoI) toposheet (1963).
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