Technology Application |
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Practical solution for background data update of domestic satellite images: A case study of remote sensing images of geological hazard prone areas |
ZHANG Youying1, YU Jiangkuan1, ZHANG Dandan1, LIN Huanuan2 |
1. China Aero Geophisical Survey and Remote Sensing Center for Land and Resources, Beijing 100083, China;
2. China University of Geosciences(Beijing), Beijing 100083, China |
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Abstract With the popularization and application of high resolution remote sensing data of domestic satellite image, the imported satellite data will be partially substituted as the preferred data source in the updating of remote sensing background data. Using the ZY-1 02C and GF-1 images, the authors proposed a practical technical scheme of remote sensing image background data update and, taking remote sensing image data update in geological hazard prone areas as an example, verified the applicability of the method for updating the background data. The accuracy can meet the plane accuracy requirements of the remote sensing image background data at the 1:50 000 scale. The technical solutions are reasonably practicable. and can provide important technical support for the development of remote sensing image background data update as well as expansion of the domestic satellite data in the field of geological disaster survey and monitoring and other fields. It has certain popularization value.
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Keywords
Tibetan Plateau
permafrost
permafrost depth
LST retrieval
frozen soil landform
remote sensing interpretation
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Issue Date: 23 January 2017
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