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GB/T 45979-2025: Technical code of practice for dynamic monitoring of coal mining subsidence area by satellite remote sensing
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GB/T 45979-2025: Technical code of practice for dynamic monitoring of coal mining subsidence area by satellite remote sensing

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ICS 33.200 CCSP14 National Standard of the People's Republic of China Technical regulations for satellite remote sensing dynamic monitoring of coal mining subsidence areas Released on August 1, 2025 Implementation on February 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Abbreviations 2 5 Mathematical Foundations 2 6 Workflow 2 7 Preliminary Preparation 3 7.1 Satellite Remote Sensing Data Preparation 3 7.2 Data Collection 4 8 Surface subsidence remote sensing monitoring 4 8.1 Monitoring content 4 8.2 Monitoring scope 4 8.3 Monitoring frequency 4 8.4 Monitoring Process 4 9 Land use remote sensing monitoring 6 9.1 Monitoring Content 6 9.2 Monitoring Scope 6 9.3 Monitoring frequency 6 9.4 Monitoring Process 6 10 Quality Assurance 7 10.1 Authenticity Test 7 10.2 Quality Inspection 7 11 Monitoring Results Requirements 8 11.1 Requirements for database construction 8 11.2 Requirements for the production of drawings 8 11.3 Requirements for preparing report results 8 Appendix A (Informative) Offset-Tracking Data Processing Technology Process 9 A.1 Image Registration 9 A.2 Cross-correlation calculation 9 A.3 Calculation of offsets caused by orbit, atmosphere and terrain 9 A.4 Calculation of surface deformation offset 10 Appendix B (Informative) Stacking-InSAR Data Processing Technology Flow 11 B.1 Setting spatiotemporal baseline thresholds 11 B.2 Differential Interferogram Generation, Filtering, and Phase Unwrapping 11 B.3 Phase Weighted Superposition 11 B.4 Phase Transformation and Geocoding 11 Appendix C (Informative) Land Use Type Classification and Remote Sensing Interpretation Symbols in Coal Mining Subsidence Areas 12 Appendix D (Informative) Outline of the Report on Satellite Remote Sensing Dynamic Monitoring Results of Coal Mining Subsidence Areas 14 D.1 Overview 14 D.2 Technical methods 14 D.3 Monitoring Process 14 D.4 Comprehensive analysis of monitoring results 14 D.5 Conclusions and Recommendations 14 Reference 15 Preface This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the China Coal Industry Association. This document is jointly managed by the China Coal Industry Association and the National Remote Sensing Technology Standardization Technical Committee (SAC/TC327). This document was drafted by. Shandong Deep Blue Intelligence Digital Technology Co., Ltd., Shandong Provincial Institute of Standardization, and China Coal Industry Association. Shandong Provincial Energy Promotion Center, Shandong Lunan Geological Engineering Survey Institute (Shandong Provincial Bureau of Geology and Mineral Exploration and Development, the Second Geological Brigade), Shandong Energy Group Co., Ltd., Wenshang Yiqiao Coal Mine Co., Ltd., Shensi Electronic Technology Co., Ltd., Inner Mongolia Shuangxin Mining Co., Ltd., Shanxi Shuozhou Pinglu District Longkuang Daheng Coal Industry Co., Ltd., China University of Mining and Technology (Beijing), Xinjiang Uygur Autonomous Region Coalfield Geology Bureau Comprehensive Geological Exploration Team, Shandong Agricultural University, Yunnan Remote Sensing Center, Shandong Academy of Agricultural Sciences, China Coal Technology and Engineering Chongqing Design and Research Institute (Group) Co., Ltd., Boxing County Agriculture and Rural Affairs Bureau, Shaanxi Changwu Tingnan Coal Industry Co., Ltd., China Coal Tianjin Design Engineering Co., Ltd., China United Network Communications Co., Ltd. Shandong Branch of China Unicom, General Technology Group Engineering Design Co., Ltd., Jinneng Holding Equipment Manufacturing Group Co., Ltd., China Unicom (Shandong) Industrial Internet Co., Ltd., Xiaoyun Coal Mine of Jining Mining Group Co., Ltd., and Harbin Engineering University. The main drafters of this document are. Song Zhihua, An Jie, Yang Yang, Chen Hongnian, Chen Yining, Wang Chunchang, Wang Fazhong, Bo Huaizhi, Sun Xiang, Zhang Kai, Fan Dejun, Zhang Zhiheng, Zhang Hongyue, Yu Bo, Mao Qingfu, Liu Pingzeng, Li Jianzhong, Li Bin, Chen Xu, Shi Shuqiang, Zhou Bo, Ding Xin, Min Wanli, Zhai Guangqing, Liu Pingzeng, Sun Wenliang, Huang Yanfeng, Feng Wenjie, Chen Chao, Yang Liping, Hou Xuehui, Wang Lixin, Han Fei, Fu Jing, Song Xueshu, Sun Shuo, Zhang Yan, Cheng Yongxin, Cui Hang, Wang Li, and Su Guanqun. Technical regulations for satellite remote sensing dynamic monitoring of coal mining subsidence areas

1 Scope

This document specifies the mathematical basis, workflow, preliminary preparation, and geophysical methods for dynamic monitoring of coal mining subsidence areas using satellite remote sensing technology. Table subsidence remote sensing monitoring, land use remote sensing monitoring, quality assurance, and monitoring results requirements. This document is applicable to monitoring surface subsidence and land use changes in coal mining subsidence areas using satellite remote sensing technology.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 14950 Photogrammetry and Remote Sensing Terminology GB/T 21010-2017 Land Use Classification GB/T 21740-2008 Specification for the construction of basic geographic information urban database GB/T 33178-2016 National Basic Scale Maps 1.2500000 1.5000000 1.1000000 Orthophoto Maps GB/T 33179-2016 National Basic Scale Maps 1.250000 1.500000 1.100000 Orthophoto Maps GB/T 41280-2022 Specification for vegetation cover products from satellite remote sensing images GB/T 41282-2022 Authenticity verification of vegetation cover remote sensing products GB/T 41536-2022 Authenticity verification of land cover remote sensing products GB/T 42251-2022 Technical specification for ecological restoration of mining subsidence areas GB/T 43934-2024 Technical Specification for Coal Mine Land Reclamation and Ecological Restoration GB/T 43935-2024 Technical Specification for Monitoring and Evaluation of Mine Land Reclamation and Ecological Restoration GB/T 44146-2024 Specification for crustal deformation monitoring based on InSAR technology TD/T 1010-2015 Regulation for dynamic remote sensing monitoring of land use TD/T 1055-2019 Technical Specifications for the Third National Land Survey

3 Terms and Definitions

The terms and definitions defined in GB/T 14950, GB/T 42251-2022, GB/T 44146-2024 and the following apply to this document. 3.1 An area where ground subsidence, movement, and deformation occur due to underground mining activities of coal resources. Note. The range is generally defined by the point where it sinks 10.0 mm. [Source. GB/T 42251-2022, modified] 3.2 The process of using remote sensing technology to continuously monitor the same target or area to obtain information on its dynamic changes. [Source. TD/T 1010-2015, 3.6, modified] ...