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An Optical and SAR Based Fusion Approach for Mapping Surface Water Dynamics over Mainland China

Daniel Druce, Xiaoye Tong, Xia Lei, Tao Guo, Cecile M.M. Kittel, Kenneth Grogan, Christian Tottrup
2021 Remote Sensing  
In this paper, we present a simple yet robust method for fusing optical and Synthetic Aperture Radar (SAR) data for mapping surface water dynamics over mainland China.  ...  a reference for an independent validation showing a high degree of agreement (overall accuracy 94%) across a diversity of climatic and physiographic regions demonstrating potential scalability beyond China  ...  JRC-GSWE product can be viewed and downloaded here https://global-surface-water.appspot.com/ (accessed 23 April 2021), and the GLAD-GSWD product here https://glad.umd.edu/dataset/global-surface-water-dynamics  ... 
doi:10.3390/rs13091663 doaj:b961d7b725814765930f7fca8598ac79 fatcat:5xlc7pcewbgjhbr55nutqzyufu

WETLAND MAPPING WITH MULTITEMPORAL SENTINEL RADAR REMOTE SENSING IN THE SOUTHEAST REGION OF BRAZIL

J. B. G. Salinas, M. K. P. Eggerth, M. E. Miller, R. R. B. Meza, J. T. A. Chacaltana, J. R. Acuña, G. F. Barroso
2020 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
The aim of this study is to develop an accurate mapping of wetlands and open water systems of the Lower Doce River Valley - LDRV (Southeastern Brazil) with Synthetic Aperture Radar (SAR) imagery, using  ...  Sentinel-1B SAR imagery from 2016 and 2019 was processed with Google Earth Engine (GEE).  ...  Fábio Pavan Piccolli (LABESUL) for his support in the field.  ... 
doi:10.5194/isprs-archives-xlii-3-w12-2020-237-2020 fatcat:cfmaggccczgujowjurthkofbw4

Spatially Varying Relationships between Land Subsidence and Urbanization: A Case Study in Wuhan, China

Zhengyu Wang, Yaolin Liu, Yang Zhang, Yanfang Liu, Baoshun Wang, Guangxia Zhang
2022 Remote Sensing  
However, although several studies have examined factors affecting land subsidence in recent years, few have focused on the spatial heterogeneity of relationships between land subsidence and urbanization  ...  A geographically weighted regression (GWR) model was employed to explore the strengths and directions of impacts of urbanization on land subsidence.  ...  Acknowledgments: We thank the European Space Agency for its considerable efforts in collecting and distributing the remotely sensed SAR data, and making Sentinel-1 available at no cost out of generosity  ... 
doi:10.3390/rs14020291 fatcat:j3eo22f4ureilfclzb27kyzuwm

Groundwater and Urban Planning Perspective

Alina Radutu, Oana Luca, Constantin Radu Gogu
2022 Water  
An analysis of 17 Romanian cities' Urban General Plans showed that urban planning documents do not satisfactorily rely on groundwater information.  ...  last 100 years of topographical changes.  ...  , as in the case of Beijing (China) [15, 16] .  ... 
doi:10.3390/w14101627 fatcat:r4njsstqindqlm5fciexh2e44u

Spaceborne L-Band Synthetic Aperture Radar Data for Geoscientific Analyses in Coastal Land Applications: A Review

Marco Ottinger, Claudia Kuenzer
2020 Remote Sensing  
Human activities, global population growth, urban sprawl and climate change-induced impacts are leading to increased pressure on coastal ecosystems causing land degradation, deforestation and land use  ...  change.  ...  Moreover, the authors thank Felix Bachofer and Juliane Huth for commenting on the original draft. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs12142228 fatcat:4bplx7hxgbbyfdxddqau4kn4uq

Upward Magma Migration Within the Multi-Level Plumbing System of the Changbaishan Volcano (China/North Korea) Revealed by the Modeling of 2018–2020 SAR Data

Elisa Trasatti, Cristiano Tolomei, Lianhuan Wei, Guido Ventura
2021 Frontiers in Earth Science  
Here, we analyze the Changbaishan 2018–2020 deformations by using remote sensing data, detecting an up to 20 mm/yr, NW-SE elongated, Line of Sight movement of its southeastern flank and a −20 mm/yr Line  ...  Changbaishan volcano (China/North Korea border) was responsible for the largest eruption of the first Millennium in 946 CE and is characterized by a multi-level plumbing system.  ...  A similar deformation field has been detected by Chen et al. (2008) in 2002 and 2003 from the analysis of ENVISAT SAR and JERS-1 SAR data.  ... 
doi:10.3389/feart.2021.741287 fatcat:6j7fox57t5cetduulztnqzohqy

Ground Deformation Analysis Using InSAR and Backpropagation Prediction with Influencing Factors in Erhai Region, China

Wang, Guo, Hu, Li, Wang, Liu, Wang
2019 Sustainability  
In this study, Sentinel-1 Synthetic Aperture Radar (SAR) images from 2015 to 2018 were used to study the characteristics of ground deformation in the Erhai region using the Small Baseline Subset Interferometric  ...  The results showed that BP has great potential in predicting the change tendency of ground deformation with high precision.  ...  The precipitation data set was based on the latest reorganization of the 2472 stations on the ground of China, which were based on the National Meteorological Information Center, using the same method  ... 
doi:10.3390/su11102853 fatcat:2eoiopibkvazflk6j7qsfabxaq

Radar image and data fusion for natural hazards characterisation

Zhong Lu, Daniel Dzurisin, Hyung-Sup Jung, Jixian Zhang, Yonghong Zhang
2010 International Journal of Image and Data Fusion  
Acknowledgements ERS-1/-2 and Envisat, RADARSAT-1 and JERS-1 SAR images are copyrighted by ESA, CSA and JAXA, respectively, and were provided by the Alaska Satellite Facility (ASF) and ESA.  ...  Figure 6 . 6 Example of fusion of SAR and optical images for flood mapping over Poyang Lake, China. (a) JERS-1 SAR image acquired on 27 April 1998, before the flood.  ...  (a) C-band ( ¼ À5.7 cm) interferogram produced from RADARSAT-1 images, showing heterogeneous water-level changes in swamp forests in coastal Louisiana (southeastern USA) between 22 May and 15 June 2003  ... 
doi:10.1080/19479832.2010.499219 fatcat:2amyibvgqnek7hyf4thl66gxui

Research on Spatiotemporal Land Deformation (2012–2018) over Xi'an, China, with Multi-Sensor SAR Datasets

Mimi Peng, Chaoying Zhao, Qin Zhang, Zhong Lu, Zhongsheng Li
2019 Remote Sensing  
Time series of land subsidence were observed with the interferometric synthetic aperture radar (InSAR) technique, using multi-sensor SAR datasets from 2012 to 2018.  ...  The ancient city of Xi'an, China, has been suffering severe land subsidence and ground fissure hazards since the 1960s, mainly due to the over-withdrawal of groundwater and large-scale urban construction  ...  Acknowledgments: The authors would like to thank the European Space Agency for providing the Sentinel-1A SAR data freely.  ... 
doi:10.3390/rs11060664 fatcat:jiu3xj2t7zbitjgz5hz6tncrkq

2019 Index IEEE Transactions on Geoscience and Remote Sensing Vol. 57

2019 IEEE Transactions on Geoscience and Remote Sensing  
., Incorporating Temporary Coherent Li, X., Yeo, T.S., Yang, Y., Chi, C., Zuo, F., Hu, X., and Pi, Y., Refo-cusing and Zoom-In Polar Format Algorithm for Curvilinear Spotlight SAR Imaging on Arbitrary  ...  ., Insect Biological Parameter Estimation Based on the Invariant Target Parameters of the Scattering Matrix; TGRS Aug. 2019 6212-6225 Hu, C., see Zhang, M., TGRS Sept. 2019 6666-6674 Hu, C., Zhang,  ...  Wan, X., +, TGRS Sept. 2019 6710-6725 Polarimetric Interferometric SAR Change Detection Discrimination.  ... 
doi:10.1109/tgrs.2020.2967201 fatcat:kpfxoidv5bgcfo36zfsnxe4aj4

Ground Deformation of the Chongming East Shoal Reclamation Area in Shanghai Based on SBAS-InSAR and Laboratory Tests

Qingbo Yu, Qing Wang, Xuexin Yan, Tianliang Yang, Shengyuan Song, Meng Yao, Kai Zhou, Xinlei Huang
2020 Remote Sensing  
Laboratory tests were then performed on all soil samples in order to facilitate an understanding of geological features, including the measurement of basic physical properties, cation exchange capacity  ...  Urbanization is the main factor that triggers accelerated subsidence and should receive special attention for reclamation areas that have been finished for a long time (over 20 years in this study).  ...  Acknowledgments: In this study, Sentinel-1 data were provided by European Space Agency (ESA) through the Copernicus Open Access Hub.  ... 
doi:10.3390/rs12061016 fatcat:r54hnx6ufrdnrhtuibo3agxvey

Land Surface Displacement Geohazards Monitoring Using Multi-temporal InSAR Techniques

Guang LIU,Perski ZBIGNIEW,Salvi STEFANO,Thiebes BENNI,Lixin WU,Jinghui FAN,Shibiao BAI,Lianhuan WEI,Shiyong YAN,Rui SONG,Bignami CHRISTIAN,Tolomei CRISTIANO,Stefan SCHNEIDERBAUER,João Sousa JOAQUIM
2021 Journal of Geodesy and Geoinformation Science  
Suspicious movements detected in the different study areas were cross validated with different SAR sensors and truth data.  ...  China has been affected by some of the world's most serious geological disasters and experiences high economic damage every year.  ...  China: SPIEꎬ 2011. [2] PERISSIN Dꎬ WANG Teng. Time ̄series InSAR applications over urban areas in China [ J ] .  ... 
doi:10.11947/j.jggs.2021.0110 doaj:ddda22d8ad2d43e9b66c90c0b6398cc3 fatcat:lbpvppmovfhmrfm35x4j4mnsv4

Automatic Identification of Slope Active Deformation Areas in the Zhouqu Region of China With DS-InSAR Results

Yuanjian Wang, Ximin Cui, Yuhang Che, Peixian Li, Yue Jiang, Xiaozhan Peng
2022 Frontiers in Environmental Science  
To identify the slope active deformation areas (SADAs) in the region accurately, the Distributed Scatter Interferometric Synthetic Aperture Radar (DS-InSAR) technique was used based on the process of the  ...  Based on the method, 62 SADAs including 12 in the upstream and 50 in the downstream of Zhouqu County were identified.  ...  areas in China (Ma et al., 2020) .  ... 
doi:10.3389/fenvs.2022.883427 doaj:7c2bc5fee87b4c96b287036f3404a9f3 fatcat:bveyveetqjgulg7dz47masq6zq

2012 Index IEEE Transactions on Geoscience and Remote Sensing Vol. 50

2012 IEEE Transactions on Geoscience and Remote Sensing  
., +, TGRS April 2012 1155-1170 Case-based reasoning Dynamic Evidential Reasoning for Change Detection in Remote Sensing Images.  ...  ., +, TGRS May 2012 1556-1571 Dynamic Evidential Reasoning for Change Detection in Remote Sensing Images.  ...  Radar resolution A Novel Method for Imaging of Group Targets Moving in a Formation. Bai, X., +, TGRS Jan. 2012  ... 
doi:10.1109/tgrs.2012.2229656 fatcat:hjrotpfsqzhxlnnme27ftv33cu

The June 2020 Aniangzhai landslide in Sichuan Province, Southwest China: slope instability analysis from radar and optical satellite remote sensing data

Zhuge Xia, Mahdi Motagh, Tao Li, Sigrid Roessner
2021 Landslides. Journal of the International Consortium on Landslides  
AbstractA large, deep-seated ancient landslide was partially reactivated on 17 June 2020 close to the Aniangzhai village of Danba County in Sichuan Province of Southwest China.  ...  A detailed analysis of slope surface kinematics in different parts of the landslide indicates that temporal changes in precipitation are mainly correlated with kinematics of motion at the head part of  ...  obtained based on the smoothing methodology described in Sect. 3.4.  ... 
doi:10.1007/s10346-021-01777-4 fatcat:7wgy6ozwtfdgpkfekqae6qzvwy
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