期刊
REMOTE SENSING
卷 14, 期 24, 页码 -出版社
MDPI
DOI: 10.3390/rs14246189
关键词
Jiemayangzong Glacier; ice flow model; inversion model; climate change; Himalayan glaciers
类别
资金
- Open Research Fund of TPESER
- National Natural Science Foundation of China grant [TPESER202203]
- State Key Laboratory of Earth Surface Processes and Resource Ecology [41901088, 42271134]
- Fundamental Research Funds for the Central Universities [2021-TS-06, 2021-KF-06, 2022-ZD-05]
- Beijing Normal University Talent Introduction Project of China [2021NTST16]
- [12807-312232101]
By simulating the future ice thickness evolution of Jiemayangzong Glacier using a numerical flowline model, we found that the glacier will retreat in the future. We estimated the volume loss of the glacier under different climate scenarios.
To better understand the future evolution of Jiemayangzong Glacier (JMYZG), the headstream of the Yarlung Zangbo River, we simulated its future ice thickness evolution using a two-dimensional higher-order numerical flowline model. Due to the sparsity of in situ observational data, we used a combination of field observations and inversion models of velocity and ice thickness to initialize the model parameters. We validated the parametrizations of the calving scheme by comparing the modeled and observed glacier terminus retreats. To estimate the response of JMYZG to climate change, the ice flow model was forced with different climate scenarios. We found that the JMYZG will retreat under different climate scenarios. By 2100, the volume loss of JMYZG will be approximately 34%, 67% and 81% under SSP1-2.6, SSP3-7.0 and SSP5-8.5, respectively.
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