Analysis of surface movement characteristics and seasonal annual variation of Petermann Glacier in Greenland

doi:10.13474/j.cnki.11-2246.2024.0707

Abstract

Abstract: The Greenland ice sheet, which accounts for 10% of the world's total ice, is surrounded by many overflowing glaciers, and melting glaciers will cause more ice to be pumped into the sea. Based on the data of 96 Sentinel-1A, the offset tracking algorithm is used to obtain the surface flow velocity of Petermann Glacier in 2019—2022, and the characteristics of glacier surface movement, seasonal and annual variations were analyzed. The results show that: ①The surface flow velocity of Petermann Glacier shows obvious seasonal variations, with high flow velocity in summer and low flow velocity in spring, autumn and winter, and the flow velocity of the glacier profile line is significantly faster than that on both sides. ②In 2019—2022, the average flow velocity of the main glacier area is stable, and the change trend of the upstream part is consistent, and the ice flow velocity of the main part of the glacier in 2021 and 2022 was faster than that in 2019 and 2020, and the high flow rate lasted longer. ③Temperature, precipitation and wind speed promote the movement of glacier surface velocity, while sea level pressure inhibited glacier velocity. From the perspective of correlation, the effect of temperature is the most significant, followed by wind speed, and the effect of precipitation is the least.

Key words: Petermann Glacier, offset tracking, ice velocity, seasonal annual variations, influence of meteorological factors

CLC Number:

P237

TIAN Kang, WANG Zhiyong, LI Zhenjin, ZHANG Baojing, SUN Shichang. Analysis of surface movement characteristics and seasonal annual variation of Petermann Glacier in Greenland[J]. Bulletin of Surveying and Mapping, 2024, 0(7): 35-40,54.

References

[1] ALLEY R B,CLARK P U,HUYBRECHTS P,et al.Ice-sheet and sea-level changes[J].Science,2005,310(5747): 456-460.
[2] TRUSEL L D,DAS S B,OSMAN M B,et al.Nonlinear rise in Greenland runoff in response to post-industrial Arctic warming[J].Nature,2018,564(7734): 104-108.
[3] SHEPHERD A,IVINS E,RIGNOT E,et al.Mass balance of the Greenland Ice Sheet from 1992 to 2018[J].Nature,2020,579(7798): 233-239.
[4] 王泽民,周春霞,张保军,等.南极冰架变化监测研究进展[J].冰川冻土,2022,44(3): 830-842.
[5] SAURABH K,TEJPAL S.Development of glacier mapping in Indian Himalaya: a review of approaches [J].International Journal of Remote Sensing,2019,40(17): 6607-6634.
[6] HVIDBERG C S,GRINSTED A,DAHL-JENSEN D,et al.Surface velocity of the Northeast Greenland Ice Stream (NEGIS): assessment of interior velocities derived from satellite data by GPS[J].The Cryosphere,2020,14(10): 3487-3502.
[7] 陈军,柯长青.南极冰盖表面冰流速研究综述[J].极地研究,2015,27(1): 115-124.
[8] 赵现仁,庞蕾,马永,等.基于GPS实测数据和PS-InSAR技术的北极Pedersenbreen冰川表面运动特征分析[J].海洋通报,2020,39(3): 381-389.
[9] OUCHI K.Recent trend and advance of synthetic aperture radar with selected topics [J].Remote Sensing,2013,5(2): 716-807.
[10] 王群,范景辉,周伟,等.DEM辅助偏移量跟踪技术的山地冰川运动监测研究[J].国土资源遥感,2018,30(3): 167-173.
[11] STROZZI T,LUCKMAN A,MURRAY T,et al.Glacier motion estimation using SAR offset-tracking procedures[J].IEEE Transactions on Geoscience and Remote Sensing,2002,40(11): 2384-2391.
[12] LUCKMAN A,QUINCEY D,BEVAN S.The potential of satellite radar interferometry and feature tracking for monitoring flow rates of Himalayan glaciers[J].Remote Sensing of Environment,2007,111(2-3): 172-181.
[13] MERRYMAN BONCORI J P,LANGER ANDERSEN M,DALL J,et al.Intercomparison and validation of SAR-based ice velocity measurement techniques within the Greenland Ice Sheet CCI project [J].Remote Sensing,2018,10(6): 929.
[14] 张生鹏,周中正,赵利江,等.基于SAR偏移量跟踪法提取岗纳楼冰川流速[J].测绘通报,2020(11): 33-38.
[15] ENRICO C,ERIC R.Melt rates in the kilometer-size grounding zone of Petermann Glacier,Greenland,before and during a retreat [J].Proceedings of the National Academy of Sciences of the United States of America,2023,120(20): e2220924120.
[16] LI D,JIANG L,HUANG R.Hydrological and kinematic precursors of the 2017 Calving Event at the Petermann Glacier in Greenland observed from multi-source remote sensing data [J].Remote Sensing,2021,13(4): 591.
[17] HILL E,GUDMUNDSSON G H,CARR J R,et al.Twenty-first century response of Petermann Glacier,northwest Greenland to ice shelf loss [J].Journal of Glaciology,2020,67(261): 147-157.
[18] 王思胜,江利明,孙永玲,等.基于ALOS PALSAR数据的山地冰川流速估算方法比较: 以喀喇昆仑地区斯克洋坎力冰川为例[J].国土资源遥感,2016,28(2): 54-61.
[19] HEID T,KAAB A.Evaluation of existing image matching methods for deriving glacier surface displacements globally from optical satellite imagery [J].Remote Sensing of Environment,2012,118: 339-355.
[20] 牛牧野,周春霞,刘婷婷.基于改进NCC算法的东南极极记录冰川流速提取研究[J].极地研究,2016,28(2): 243-249.
[21] 鞠琦,李刚,李超越,等.基于Sentinel-1影像追踪与迭代SVD技术提取格陵兰Petermann冰川流速时序[J].遥感学报,2022,1-14.DOI: 10.11834/jrs.20222031.
[22] LEMOS A,SHEPHERD A,MCMILLAN M,et al.Ice velocity of Jakobshavn Isbr,Petermann Glacier,Nioghalvfjerdsfjorden,and Zachari Isstrøm,2015-2017,from Sentinel 1-a/b SAR imagery [J].The Cryosphere Discussions,2018,12(6): 2087-2097.
[23] LI G,MAO Y,FENG X,et al.Monitoring ice flow velocity of Petermann Glacier combined with Sentinel-1 and-2 imagery [J].International Journal of Applied Earth Observation and Geoinformation,2023,121: 103374.