Gantayat, Prateek and Kulkarni, Anil V and Srinivasan, J (2014) Estimation of ice thickness using surface velocities and slope: case study at Gangotri Glacier, India. In: JOURNAL OF GLACIOLOGY, 60 (220). pp. 277-282.
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We estimate the distribution of ice thickness for a Himalayan glacier using surface velocities, slope and the ice flow law. Surface velocities over Gangotri Glacier were estimated using sub-pixel correlation of Landsat TM and ETM+ imagery. Velocities range from similar to 14-85 m a(-1) in the accumulation region to similar to 20-30 ma(-1) near the snout. Depth profiles were calculated using the equation of laminar flow. Thickness varies from similar to 540 m in the upper reaches to similar to 50-60 m near the snout. The volume of the glacier is estimated to be 23.2 +/- 4.2 km(3).
| Item Type: | Journal Article |
|---|---|
| Publication: | JOURNAL OF GLACIOLOGY |
| Publisher: | INT GLACIOL SOC |
| Additional Information: | Copyright for this article belongs to the INT GLACIOL SOC, LENSFIELD RD, CAMBRIDGE CB2 1ER, ENGLAND |
| Keywords: | glacial rheology; glacier flow; glacier modelling; remote sensing |
| Department/Centre: | Division of Mechanical Sciences > Divecha Centre for Climate Change |
| Date Deposited: | 24 Jun 2014 09:10 |
| Last Modified: | 24 Jun 2014 09:10 |
| URI: | http://eprints.iisc.ac.in/id/eprint/49334 |
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