Glacier deformation inversion before disaster using SBAS-InSAR technology in Sedongpu basin along the Yarlung Zangbo River

doi:10.13474/j.cnki.11-2246.2021.334

Abstract

Abstract: Glacier deformation in Sedongpu basin from April 2018 to October 2018 is retrieved by SBAS-InSAR technology using 30 sentinel-1 SAR images. The inversion accuracy is verified with statistics in bedrock area and the RMSE is 9 mm. This shows that SBAS-InSAR technology has good reliability in glacier deformation monitoring.The sensibility of ascending and descending orbit data for deformation monitoring in different aspects is analyzed. Spatial distribution and temporal evolution characteristics of glacier deformation before the occurrence of glacier debris flow are analyzed. The main glacier movement is in the central axis along intersection of east and west aspects.The results shows that the average deformation of glacier area is -34.8 mm. On the typical section line, with the altitude decreasing, the glacier deformation decreases slowly at first, then increases rapidly, and then decreases slowly. Before the occurrence of glacial debris flow disaster, the glacier deformation had an obvious accelerating trend,which can provide scientific data support for early identification of glacier disaster.

Key words: Sentinel-1, SBAS-InSAR, glacier deformation, Sedongpu basin, sensitivity to aspect

CLC Number:

P237

ZHU Bangyan, REN Zhizhong, ZHANG Qi, LI Yun, WANG Xiao. Glacier deformation inversion before disaster using SBAS-InSAR technology in Sedongpu basin along the Yarlung Zangbo River[J]. Bulletin of Surveying and Mapping, 2021, 0(11): 31-35.

References

[1] 施雅风,沈永平,李栋梁,等.中国西北气候由暖干向暖湿转型的特征和趋势探讨[J].第四纪研究,2003,23(2):152-164.
[2] 秦大河,姚檀栋,丁永建,等.面向可持续发展的冰冻圈科学[J].冰川冻土,2020,42(1):1-10.
[3] 童立强,裴丽鑫,涂杰楠,等.冰崩灾害的界定与类型划分——以青藏高原地区为例[J].国土资源遥感,2020,32(2):11-18.
[4] 刘传正,吕杰堂,童立强,等.雅鲁藏布江色东普沟崩滑-碎屑流堵江灾害初步研究[J].中国地质,2019,46(2):219-234.
[5] 李昆仲,张明哲,邢爱国. 雅鲁藏布江色东普沟崩滑-碎屑流过程模拟及运动特征分析[J]. 中国地质灾害与防治学报,2021,32(1):18-27.
[6] 童立强,涂杰楠,裴丽鑫,等. 雅鲁藏布江加拉白垒峰色东普流域频繁发生碎屑流事件初步探讨[J]. 工程地质学报,2018,26(6):1552-1561.
[7] 姜景山.面向21世纪的中国微波遥感技术发展[J]. 中国工程科学,1999, 1(2):78-82.
[8] 郭华东,张露.雷达遥感六十年:四个阶段的发展[J]. 遥感学报,2019,23(6):1023-1035.
[9] 金亚秋. 微波遥感及其在中国的发展[J]. 微波学报, 2020,36(1):1-6.
[10] 朱邦彦,李建成,储征伟,等. 利用Sentinel-1影像探测宁波地面沉降[J]. 测绘通报,2018(10):102-106.
[11] BERARDINO P, FORNARO G, LANARI R, et al. A new algorithm for surface deformation monitoring based on small baseline differential SAR interferograms[J]. IEEE Transactions on Geoscience and Remote Sensing, 2002, 40(11):2375-2383.
[12] LANARI R, MORA O, MANUNTA M, et al. A small-baseline approach for investigating deformations on full-resolution differential SAR interferograms[J]. IEEE Transactions on Geoscience and Remote Sensing, 2004, 42(7):1377-1386.
[13] 朱建军,李志伟,胡俊. InSAR变形监测方法与研究进展[J]. 测绘学报,2017,46(10):1717-1733.
[14] 谢荣安, 周元华, 胡争. 短基线集技术在地表形变监测中的应用研究[J]. 测绘通报, 2015(8):70-73.
[15] 欧阳伦曦, 李新情, 惠凤鸣, 等. 哨兵卫星Sentinel-1A数据特性及应用潜力分析[J]. 极地研究, 2017, 29(2):286-295.
[16] 廖明生,王腾.时间序列InSAR技术与应用[M].北京:科学出版社,2014.
[17] JIA Yuanyuan, KIM J W, SHUM C, et al. Characterization of active layer thickening rate over the northern Qinghai-Tibetan Plateau permafrost region using ALOS interferometric synthetic aperture radar data, 2007-2009[J]. Remote Sensing, 2017, 9(1):84.
[18] YASTIKA P E, SHIMIZU N, ABIDIN H Z. Monitoring of long-term land subsidence from 2003 to 2017 in coastal area of Semarang, Indonesia by SBAS DInSAR analyses using Envisat-ASAR, ALOS-PALSAR, and Sentinel-1A SAR data[J]. Advances in Space Research, 2019, 63(5):1719-1736.
[19] 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.
[20] 李佳, 李志伟, 汪长城, 等. SAR偏移量跟踪技术估计天山南依内里切克冰川运动[J]. 地球物理学报, 2013, 56(4):1226-1236.
[21] 王欣,刘琼欢,蒋亮虹,等.基于SAR影像的喜马拉雅山珠穆朗玛峰地区冰川运动速度特征及其影响因素分析[J]. 冰川冻土,2015,37(3):570-579.