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Investigating the intra-annual dynamics of Kunlun Glacier in the West Kunlun Mountains, China, from ascending and descending Sentinel-1 SAR observations

Yueling Shi, Guoxiang Liu, Xiaowen Wang, Qiao Liu, Ck Shum, Jiawen Bao, Wenfei Mao
2022 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
Monitoring glacier dynamics is an effective approach for quantifying the response of the glaciers in cold arid mountainous areas to climate change.  ...  We applied the improved pixel-offset-tracking small-baseline-subset method (PO-SBAS) on ascending and descending Sentinel-1A SAR images acquired in 2017 and 2018 to estimate the three-dimensional (i.e.  ...  ACKNOWLEDGMENT The authors would like to thank The European Space Agency for providing Sentinel-1A SAR images, NASA and USGS for providing ITS_LIVE velocity products, and the Japan Aerospace Exploration  ... 
doi:10.1109/jstars.2022.3142990 fatcat:xqh3c2cp2jftbl67ndtyzkfbwi

An Accurate Geocoding Method for GB-SAR Images Based on Solution Space Search and Its Application in Landslide Monitoring

Jialun Cai, Hongguo Jia, Guoxiang Liu, Bo Zhang, Qiao Liu, Yin Fu, Xiaowen Wang, Rui Zhang
2021 Remote Sensing  
Although ground-based synthetic aperture radar (GB-SAR) interferometry has a very high precision with respect to deformation monitoring, it is difficult to match the fan-shaped grid coordinates with the  ...  To accurately identify the deformation target and its position, high-accuracy geocoding of the GB-SAR images must be performed to transform them from the two-dimensional plane coordinate system to the  ...  Acknowledgments: The authors would like to thank the Hailuogou Scenic Spot Management Bureau for providing UAV photogrammetry and GB-SAR observation data acquisition permission and traffic convenience.  ... 
doi:10.3390/rs13050832 fatcat:jbuxtbkjbbattdmkfzmkcm46fm

Analysis of the melting glaciers in Southeast Tibet by ALOS-PALSAR data

Wenjie Du, Xin Liu, Jinyun Guo, Yi Shen, Wang Li, Xiaotao Chang
2019 Terrestrial, Atmospheric and Oceanic Sciences  
The results revealed that the monitoring results by InSAR were basically consistent with the EWHs from GRACE. The glacier deformation in the study area presents a downward trend overall.  ...  With the variations of glacier shape obtained from MODIS (moderate-resolution imaging spectroradiometer) data, the changing rate of surface temperature was about 0.014°C yr -1 .  ...  Some of the figures were produced by using the Generic Mapping Tools (GMT) of Wessel et al. (2013). This study is supported by the National Natural Science  ... 
doi:10.3319/tao.2018.07.09.03 fatcat:5i22qgtfefb2lpv4olkrj3p3uu

Geohazards Monitoring and Assessment Using Multi-Source Earth Observation Techniques

Joaquim J. Sousa, Guang Liu, Jinghui Fan, Zbigniew Perski, Stefan Steger, Shibiao Bai, Lianhuan Wei, Stefano Salvi, Qun Wang, Jienan Tu, Liqiang Tong, Peter Mayrhofer (+10 others)
2021 Remote Sensing  
hazardous geological activity, addressing different study areas: (i) surface deformation of mountain slopes and glaciers; (ii) land surface displacement; and (iii) subsidence, landslides and ground fissure  ...  Remote sensing technology—especially satellite-based—can be of help due to its high spatial and temporal coverage.  ...  Based on high-precision DEM and multi-angle high-resolution COSMO images, the three-dimensional deformation inversion of a single glacier was realized.  ... 
doi:10.3390/rs13214269 fatcat:4u4bpihoabetzl4inmj4y5bdym

Monitoring and Analyzing Mountain Glacier Surface Movement Using SAR Data and a Terrestrial Laser Scanner: A Case Study of the Himalayas North Slope Glacier Area

Jinghui Fan, Qun Wang, Guang Liu, Lu Zhang, Zhaocheng Guo, Liqiang Tong, Junhuai Peng, Weilin Yuan, Wei Zhou, Jin Yan, Zbigniew Perski, Joaquim Sousa
2019 Remote Sensing  
The offset tracking technique based on synthetic aperture radar (SAR) image intensity information can estimate glacier displacement even when glacier velocities are high and the time interval between images  ...  With the assistance of a terrestrial laser scanner with optimized wavelengths or other proper ground-based remote sensing instruments, the offset tracking technique based on high-resolution satellite SAR  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs11060625 fatcat:4244fsvjsrdspm6xifcjeuvk5m

Three-Dimensional Flow Velocity Estimation of Mountain Glacier Based on SAR Interferometry and Offset-Tracking Technology: A Case of the Urumqi Glacier No.1

Jialiang Liu, Jun Zhao, Zhongqin Li, Zhihui Yang, Jianxia Yang, Guangchao Li
2022 Water  
Remote sensing estimations of glacier flow velocity could provide effective methods for the long-term monitoring of glacier flow velocity.  ...  Therefore, it is suitable to use ascending and descending Sentinel-1 images and the study method proposed in this paper to estimate the surface flow velocity of mountain glaciers.  ...  Acknowledgments: We also sincerely thank all the editors and anonymous reviewers for their beneficial suggestions to improve the quality of this article. We would like to thank the members of  ... 
doi:10.3390/w14111779 fatcat:nwltnufl7jdgjggrfxcjtlpwiu

Diurnal fluctuations of glacier surface velocity observed with terrestrial radar interferometry at Laohugou No. 12 Glacier, western Qilian mountains, China

2019 Journal of Glaciology  
Here we present sub-hourly measurements of glacier surface motion variations at the terminus region of Laohugou No. 12 Glacier.  ...  ABSTRACTMeasurements of short-interval variations in glacier surface velocity, which contribute to our understanding of ice motion mechanisms, remain scarce on the Tibetan Plateau.  ...  Thanks to the postgraduate student of Binbin Gao and the staff of Qilian mountains station operated by Chinese Academy of Sciences provided field assistance.  ... 
doi:10.1017/jog.2019.1 fatcat:wdhntzrr6fcodl2km7eyxwnuae

Detecting and quantifying mountain permafrost creep fromin situinventory, space-borne radar interferometry and airborne digital photogrammetry

T. Strozzi, A. Kääb, R. Frauenfelder
2004 International Journal of Remote Sensing  
On the other hand, aero-photogrammetry represents a valuable base for additional interpretation of the three-dimensional surface flow field (including speed, direction and change in thickness) of the most  ...  We found that radar interferometry is suitable to quantify the degree of activity and the order of surface velocity of rock glaciers over large areas in one process, with the possibility to also detect  ...  The expenses of the in situ rock glacier inventorying were partly covered by the 'Dr Joachim de Giacomi' research fund of the Swiss Academy of Sciences (SAS).  ... 
doi:10.1080/0143116042000192330 fatcat:s74rfn4qpbd2dfebwga6k7kram

Index Vol. 52 No. 176–179, 2006

2006 Journal of Glaciology  
new fully three-dimensional numerical model for ice dynamics, 365-376 Dynamics of tidewater glaciers: comparison of three models, 183- 190 Glaciers: A new fully three-dimensional numerical model for  ...  roughness length variations at Haut Glacier d'Arolla, Switzerland, 281-297 Monitoring glacier variations on Geladandong mountain, central Tibetan Plateau, from 1969 to 2002 using remote-sensing and GIS  ... 
doi:10.3189/s0022143000209398 fatcat:tflvmbfpnjh3di6xrlqv5fcmyq

Deriving Ice Motion Patterns in Mountainous Regions by Integrating the Intensity-Based Pixel-Tracking and Phase-Based D-InSAR and MAI Approaches: A Case Study of the Chongce Glacier

Shiyong Yan, Zhixing Ruan, Guang Liu, Kazhong Deng, Mingyang Lv, Zbigniew Perski
2016 Remote Sensing  
Thus, monitoring the movements of mountain glaciers is of great importance, and it is particularly important to monitor the whole glacier surface with a high degree of accuracy [14] [15] [16] .  ...  In order to exploit the advantages of different approaches with SAR imagery, the synergistic approach of InSAR and speckle-tracking has been proposed and applied for monitoring the complex surface deformation  ...  Phase-Based Methods: D-InSAR and MAI D-InSAR and MAI are two popular approaches for investigating surface deformation based on the phase information of SAR imagery.  ... 
doi:10.3390/rs8070611 fatcat:26t7oda3tjhwfpkdx2locvwyae

Multi-method monitoring of Glacier d'Argentière dynamics

Lionel Benoit, Amaury Dehecq, Ha-Thai Pham, Flavien Vernier, Emmanuel Trouvé, Luc Moreau, Olivier Martin, Christian Thom, Marc Pierrot-Deseilligny, Pierre Briole
2015 Annals of Glaciology  
well as at the base of the glacier with high precision and at high temporal resolution.  ...  The flow of Glacier d'Argentière, French Alps, has been extensively studied by glaciologists for >100 years, but high-temporal- and high-spatial-resolution monitoring of its dynamics has rarely been  ...  ACKNOWLEDGEMENTS We thank Electricité d'Emosson SA company for the subglacial measurements beneath Glacier d'Argentière, Olivier Couach and Gaiasens SARL for providing meteorological data, the German Space  ... 
doi:10.3189/2015aog70a985 fatcat:6bntmhf5wzgvfh6gm3ajkylqni

An Improved Multi-Platform Stacked D-InSAR Method for Monitoring the Three-Dimensional Deformation of the Mining Area

Xiaobing Liu, Jilei Huang
2021 IEEE Access  
In terms of three-dimensional deformation monitoring, multi-platform SAR image monitoring results have often been used for joint calculation.  ...  deformation monitoring methods based on phase information, deformation monitoring methods based on SAR image intensity information, whose representative technology is pixel offset tracking, and deformation  ...  His research interests include interferometric synthetic aperture radar and its applications on mining subsidence, mine disaster monitoring and ecological environment monitoring in mining area.  ... 
doi:10.1109/access.2021.3076065 fatcat:pt6rjqlgdvf5jinwxmrkxsxgiy

A Review on Applications of Imaging Synthetic Aperture Radar with a Special Focus on Cryospheric Studies

Shridhar D. Jawak, Tushar G. Bidawe, Alvarinho J. Luis
2015 Advances in Remote Sensing  
SAR is the most important active microwave remote sensing (RS) instrument for ice monitoring, which provides high-resolution images of the Earth's surface.  ...  massbalance assessment, and mapping flow of mountain glaciers.  ...  Rajan, Director, NCAOR for his encouragement and motivation of this research. We  ... 
doi:10.4236/ars.2015.42014 fatcat:lpdaxa3zdjan5fkko7k6uxmqpm

Inferring 2D Local Surface-Deformation Velocities Based on PSI Analysis of Sentinel-1 Data: A Case Study of Öræfajökull, Iceland

Jirathana Dittrich, Daniel Hölbling, Dirk Tiede, Þorsteinn Sæmundsson
2022 Remote Sensing  
varying deformation processes of Earth's surface.  ...  Two-dimensional deformation estimates derived from Persistent Scatterer Interferometric (PSI) analysis of Synthetic Aperture Radar (SAR) data can improve the characterisation of spatially and temporally  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs14133166 fatcat:hnnc4fg7qrcehczxxerupsi5oa

Glacier velocity measurements in the eastern Yigong Zangbo basin, Tibet, China

Chang-Qing Ke, Cheng Kou, Ralf Ludwig, Xiang Qin
2013 Journal of Glaciology  
The majority of the glaciers exhibited high and low velocities in their upper and lower sections, respectively. The glacier area ranges from 3 to 42 km2.  ...  We apply the feature-tracking method to L-band synthetic aperture radar (SAR) images to derive detailed motion patterns of glaciers in the Yigong Zangbo basin during summer 2007.  ...  We acknowledge the European Space Agency (ESA) and the National Remote Sensing Center of China (NRSCC, MOST) for providing SAR data under the Dragon 3 project (ID: 10612).  ... 
doi:10.3189/2013jog12j234 fatcat:gkdrobt4xzdwzmhe7tgkt22aka
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