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Morphology and glacier dynamics studies in monsoon–arid transition zone: An example from Chhota Shigri glacier, Himachal-Himalaya, India

Investigations on the morphology and glacier dynamics of Chhota Shigri glacier in a monsoon–arid transition zone during 1987–1989 are reported. The glacier dynamics and gravimetric techniques indicate that the thickness of the glacier ranges from 15 to 130 m, with a total ice volume of about 636,579...

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Published in:Current science (Bangalore) 1995-05, Vol.68 (9), p.936-944
Main Authors: Dobhal, D. P., Kumar, Surendar, Mundepi, A. K.
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Language:English
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Kumar, Surendar
Mundepi, A. K.
description Investigations on the morphology and glacier dynamics of Chhota Shigri glacier in a monsoon–arid transition zone during 1987–1989 are reported. The glacier dynamics and gravimetric techniques indicate that the thickness of the glacier ranges from 15 to 130 m, with a total ice volume of about 636,579 × 103 m3. The flow movements at different places on the glacier have been calculated; the maximum flow movement (12.6–14.2 cm day-1) is obtained near the equilibrium line. This rate of movement decreases to 8.8 cm day-1 downstream in the ablation zone. The mass balance data measured during 1987/88 and 1988/89 show negative values, indicating that the glacier is receding with an average of 7.5 m yr-1. The per day discharge of melt water i 41.5 × 106 m3 day-1, whereas silt load passing in a day varies between 85 and 2000 tons.
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source JSTOR Archival Journals and Primary Sources Collection
subjects Cirque glaciers
Crevasses
Glacial ablation
Glacial accumulation
Glacial landforms
Glacier mass balance
Glaciers
Mass balance
Moraines
Snow
title Morphology and glacier dynamics studies in monsoon–arid transition zone: An example from Chhota Shigri glacier, Himachal-Himalaya, India
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