Numerical modelling of past retreat and future evolution of Chhota Shigri glacier in Western Indian Himalaya

ABSTRACT The history of glacier length fluctuations serves as a reliable indicator of the past climate. In this paper, a numerical flowline model has been used to study the relationship between length variations of Chhota Shigri glacier and local climate since 1876. The simulated front positions of...

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Bibliographic Details
Published in:Annals of Glaciology
Main Authors: Gantayat, Prateek, Kulkarni, Anil V., Srinivasan, J., Schmeits, Maurice J
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge University Press (CUP) 2017
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Online Access:http://dx.doi.org/10.1017/aog.2017.21
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0260305517000210
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Summary:ABSTRACT The history of glacier length fluctuations serves as a reliable indicator of the past climate. In this paper, a numerical flowline model has been used to study the relationship between length variations of Chhota Shigri glacier and local climate since 1876. The simulated front positions of Chhota Shigri glacier are in agreement with those observed. After a successful simulation of the past retreat, the model was also used to predict future evolution of the glacier for the next 100 years under different climatic scenarios. These simulations indicate that the Chhota Shigri glacier may lose ~90% of its present volume by 2100 if the local temperature increases by 2.4 K, and for a temperature rise of 5.5 K, the glacier loses almost all its volume.