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Published in: Environmental Earth Sciences 19/2020

01-10-2020 | Original Article

Analysis of the response of glaciers to climate change based on the glacial dynamics model

Authors: Zhen Wu, Wen Hui Zhang, Yin Shi Liu, Dong Ren, Jie Zhao Xun, Jian Xue Bai

Published in: Environmental Earth Sciences | Issue 19/2020

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Abstract

Changes in velocity and temperature of ice are the internal driving factors accelerating glacial regression under the condition of climatic warming. To evaluate glacial response to climate from the perspective of the internal driving forces of glaciers, we used a two-dimensional force balance and energy balance model to simulate the ice velocity and temperature of the No. 8 glacier (H8) in Tianshan Mountains, China. We analyzed the influence of dynamic characteristics caused by climatic warming on glacial changes. The simulation results of ice velocity showed: when the atmospheric temperature changed by 2 °C, the maximum velocity increased from 9 to 20 ma−1, and the total average ice velocity increased from − 9.2 to − 6.9 °C. Apparently, climatic warming could lead to an increase in ice flux. In addition, to analyze the effect of velocity increment on glacial changes, we set the difference mass balance to simulate the glacier change in the future. And the results showed that climatic warming would increase the glacial area in terminus in a short period of time and weaken the ice reserves at upstream. Under the condition of continuous climatic warming, it would accelerate the loss of glacial area and ice reserves.

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Metadata
Title
Analysis of the response of glaciers to climate change based on the glacial dynamics model
Authors
Zhen Wu
Wen Hui Zhang
Yin Shi Liu
Dong Ren
Jie Zhao Xun
Jian Xue Bai
Publication date
01-10-2020
Publisher
Springer Berlin Heidelberg
Published in
Environmental Earth Sciences / Issue 19/2020
Print ISSN: 1866-6280
Electronic ISSN: 1866-6299
DOI
https://doi.org/10.1007/s12665-020-09188-9

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