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

被引：15
|
作者：
Gantayat, Prateek [1 ]
Kulkarni, Anil V. [1 ]
Srinivasan, J. [1 ]
Schmeits, Maurice J. [2 ]
机构：
[1] Indian Inst Sci, Divecha Ctr Climate Change, Bangalore 560012, Karnataka, India
[2] Koninklijk Nederlands Meteorol Inst, De Bilt, Netherlands
来源：
ANNALS OF GLACIOLOGY | 2017年 / 58卷 / 75期
关键词：
climate change; glacier flow; glacier mass balance; ice thickness measurements; remote sensing; HISTORICAL FRONT VARIATIONS; MASS-BALANCE; HIMACHAL-PRADESH; ICE; SIMULATION; MOUNTAINS; KARAKORAM; DYNAMICS; BEHAVIOR; LENGTH;
D O I：
10.1017/aog.2017.21
中图分类号：
P9 [自然地理学];
学科分类号：
0705 ; 070501 ;
摘要：
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 similar to 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.
引用
收藏
页码：136 / 144
页数：9
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