Study of surface motion characteristics of Petermann Glacier based on the Sentinel-1 offset tracking method

Kang Tian; Zhiyong Wang; Shichang Sun; Kai Wang

doi:10.1117/12.3007452

30 August 2023 Study of surface motion characteristics of Petermann Glacier based on the Sentinel-1 offset tracking method

Kang Tian, Zhiyong Wang, Shichang Sun, Kai Wang

Author Affiliations +

Proceedings Volume 12797, Second International Conference on Geographic Information and Remote Sensing Technology (GIRST 2023); 127970U (2023) https://doi.org/10.1117/12.3007452
Event: 2nd International Conference on Geographic Information and Remote Sensing Technology (GIRST 2023), 2023, Qingdao, China

Abstract

The Greenland Ice Sheet accounts for 10% of the world's total ice volume, and if all of it melts, it will lead to a global sea level rise of 6 to 7m. As the world's second-largest continental ice sheet, it is surrounded by many overflowing glaciers, whose melting causes more ice to be injected into the sea. Therefore, in order to carry out the dynamic monitoring of the surface motion of the overflow glacier, this paper uses Sentinel-1A as the data source and Petermann Glacier in NW Greenland as the study area, and the offset tracking algorithm has been used to obtain information on the distribution of surface flow velocity of the glacier in 2021.Meanwhile, the results of ice flow rate in odd-numbered months in 2021 are taken as an example, and the ice flow rate monitoring results in this paper are verified to be highly reliable by comparing them with the publicly available ice flow rate data on the official website. Finally, the ice flow velocity was analysed in the direction of the 2 profile lines along the flow sample zone and the cross-flow sample zone, and the trend of ice flow velocity showed high consistency overall.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Kang Tian, Zhiyong Wang, Shichang Sun, and Kai Wang "Study of surface motion characteristics of Petermann Glacier based on the Sentinel-1 offset tracking method", Proc. SPIE 12797, Second International Conference on Geographic Information and Remote Sensing Technology (GIRST 2023), 127970U (30 August 2023); https://doi.org/10.1117/12.3007452

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KEYWORDS

Ice

Glaciers

Windows

Detection and tracking algorithms

Error analysis

Remote sensing

Synthetic aperture radar

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