Articles | Volume 28, issue 9
https://doi.org/10.5194/hess-28-2023-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/hess-28-2023-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Debris cover effects on energy and mass balance of Batura Glacier in the Karakoram over the past 20 years
Yunnan Key Laboratory of International Rivers and Transboundary Eco-security, 650091 Kunming, China
Institute of International Rivers and Eco-Security, Yunnan University, 650091 Kunming, China
Yunnan Key Laboratory of International Rivers and Transboundary Eco-security, 650091 Kunming, China
Institute of International Rivers and Eco-Security, Yunnan University, 650091 Kunming, China
International Joint Laboratory of China-Laos-Bangladesh-Myanmar Natural Resources Remote Sensing Monitoring, 650091 Kunming, China
Ben W. Brock
Department of Geography and Environmental Sciences, Northumbria University, Newcastle upon Tyne, NE1 8ST, UK
Lide Tian
Yunnan Key Laboratory of International Rivers and Transboundary Eco-security, 650091 Kunming, China
Institute of International Rivers and Eco-Security, Yunnan University, 650091 Kunming, China
Ying Yi
Yunnan Key Laboratory of International Rivers and Transboundary Eco-security, 650091 Kunming, China
Institute of International Rivers and Eco-Security, Yunnan University, 650091 Kunming, China
Fuming Xie
Yunnan Key Laboratory of International Rivers and Transboundary Eco-security, 650091 Kunming, China
Institute of International Rivers and Eco-Security, Yunnan University, 650091 Kunming, China
Donghui Shangguan
Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China
Yiyuan Shen
Yunnan Key Laboratory of International Rivers and Transboundary Eco-security, 650091 Kunming, China
Institute of International Rivers and Eco-Security, Yunnan University, 650091 Kunming, China
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Xin Wang, Xiaoyu Guo, Chengde Yang, Qionghuan Liu, Junfeng Wei, Yong Zhang, Shiyin Liu, Yanlin Zhang, Zongli Jiang, and Zhiguang Tang
Earth Syst. Sci. Data, 12, 2169–2182, https://doi.org/10.5194/essd-12-2169-2020, https://doi.org/10.5194/essd-12-2169-2020, 2020
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The theoretical and methodological bases for all processing steps including glacial lake definition and classification and lake boundary delineation are discussed based on satellite remote sensing data and GIS techniques. The relative area errors of each lake in 2018 varied 1 %–79 % with average relative area errors of ±13.2 %. In high-mountain Asia, 30 121 glacial lakes with a total area of 2080.12 ± 2.28 km2 were catalogued in 2018 with a 15.2 % average rate of increase in area in 1990–2018.
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Short summary
This modeling-based study focused on Batura Glacier from 2000 to 2020, revealing that debris alters its energy budget, affecting mass balance. We propose that the presence of debris on the glacier surface effectively reduces the amount of latent heat available for ablation, which creates a favorable condition for Batura Glacier's relatively low negative mass balance. Batura Glacier shows a trend toward a less negative mass balance due to reduced ablation.
This modeling-based study focused on Batura Glacier from 2000 to 2020, revealing that debris...