We found a match
Your institution may have rights to this item. Sign in to continue.
- Title
Estimation of retreat rate of Gangotri glacier using rapid static and kinematic GPS survey.
- Authors
Kumar, Kireet; Dumka, Rakesh K.; Miral, M. S.; Satyal, G. S.; Pant, M.
- Abstract
The Gangotri glacier is retreating like other glaciers in the Himalaya and its volume and size are shrinking as well. Reoccupying the historical snout positions using Global Positioning System (GPS) in rapid static mode indicates the varying rates of retreat during different time-spans of the last century, with the total retreat of 1519.13 m in the last 69 years. Post 1971, the rate of retreat of the glacier has declined. Monitoring of glacier terminus using GPS survey in kinematic mode reveals that the glacier has retreated at much lower rate (12.10 ± 0.041 ma-1) between 2004 and 2005. The study further shows that the southern portion of the snout is retreating at significantly lower rate in comparison to the northern part. However, maximum recession (13.76 ± 0.048 m in 2004-05) took place along the centreline of the glacier.
- Subjects
GANGOTRI Glacier (India); INDIA; GLACIOLOGY; GLACIERS; GLOBAL Positioning System
- Publication
Current Science (00113891), 2008, Vol 94, Issue 2, p258
- ISSN
0011-3891
- Publication type
Article