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1 June 2023 SBAS-InSAR-based surface deformation monitoring of permafrost on Banks Island
Chaoying Lin
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Proceedings Volume 12710, International Conference on Remote Sensing, Surveying, and Mapping (RSSM 2023); 127100N (2023) https://doi.org/10.1117/12.2682626
Event: International Conference on Remote Sensing, Surveying, and Mapping (RSSM 2023), 2023, Changsha, China
Abstract
The land around the Arctic is covered by extensive high-latitude permafrost. Affected by global warming, the Arctic permafrost is degrading. As a precise space-to-Earth observation technology, InSAR can reconstruct permafrost surface deformation with high spatial resolution and high temporal resolution. In this study, SBAS-InSAR was adopted to obtain time series of surface deformation due to permafrost degradation from 2017 to 2021 in the local area of northwest Banks Island. The results indicate that almost the whole study area is under the influence of permafrost degradation in continuous surface subsidence, and the water includes soil moisture and surface water system distribution is closely related to surface subsidence. The area with high soil moisture and dense surface water system distribution is more prone to significant surface deformation than other areas. This study provides a new reference for the vulnerability of the Arctic tundra under the impact of global warming and helps to make more scientific decisions on key issues e.g., global climate change, carbon neutrality, Arctic protection and development, and sustainable development.
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Chaoying Lin "SBAS-InSAR-based surface deformation monitoring of permafrost on Banks Island", Proc. SPIE 12710, International Conference on Remote Sensing, Surveying, and Mapping (RSSM 2023), 127100N (1 June 2023); https://doi.org/10.1117/12.2682626
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KEYWORDS
Deformation
Soil moisture
Climate change
Interferometric synthetic aperture radar
Remote sensing
Climatology
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