Mr. Jinzhong Yang Profile

Jinzhong Yang

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Publications (3)

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Proceedings Article | 3 June 2024 Paper

Distribution and existing problems of open-pit mining land in China

Yuling Zhao, Jinzhong Yang, Licong Song, Weiling Yao

Proceedings Volume 13170, 131700M (2024) https://doi.org/10.1117/12.3032129

KEYWORDS: Mining, Minerals, Remote sensing, Land mines, Environmental monitoring, Metals, Raw materials, Environmental sensing, Standards development, Spatial resolution

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The national mine remote sensing monitoring is an important basic national condition investigation work. Using remote sensing data in July 2022, through remote sensing interpretation and field verification, the remote sensing monitoring of open-pit mines in China was completed. The open-pit mining land in China is 993.4 thousand hm², accounting for 1.04‰ of the national land area, which is mainly distributed in Xinjiang Uygur Autonomous region, Inner Mongolia Autonomous region, Qinghai Province, Shanxi Province, Yunnan Province. Among them, the ecological rehabilitation rate of land damaged by mining is 9.57%. The area of open-pit mining land of chemical raw materials non-metallic, building materials and other non-metallic minerals and energy minerals is more larger than other minerals. The basic farmland is occupied by open-pit mining land , which is 11686.64 hm², accounting for 1.18% of the total area; the national open-pit mining land located within the ecological red lines is 7410.62 hm², accounting for 8.39 % of the total area. According to the above results, this paper preliminarily analyzes the current situation of mining damaged land distribution, ecological rehabilitation and existing problems in open-pit mines in China, and puts forward corresponding countermeasures and suggestions.

Proceedings Article | 19 January 2024 Paper

Remote sensing monitoring of coal mining collapse and analysis of ecological restoration model in China

Yaqin Sun, Yu Xing, Jinzhong Yang

Proceedings Volume 12980, 129801F (2024) https://doi.org/10.1117/12.3020897

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Long-term, extensive overexploitation of coal mining resources has negatively impacted the ecological environment while bringing about economic prosperity. This has resulted in frequent mining geological disasters, particularly coal mining collapses, endangering the lives and property of locals and necessitating an urgent need for ecological restoration and all-encompassing management. For ecological restoration and thorough management, it is necessary to map out information on coal mining collapse on a national scale, including the location, scale, and waterlogging situation. On a national level, however, relatively few academics have examined coal mining collapse until this point. This study uses domestic high-resolution remote sensing data to track coal mining collapse across the country. The findings reveal that by the end of 2018, there were 35,453 coal mining collapse areas with an area of 21,957 km² ; the area of collapse pits was 14,859 km² , the area of waterlogged collapse pits was 1,716 km² , the area of restoration and treatment of collapse pits was 2,712 km² , and the overall rate of restoration and treatment of collapses was 15.43%. The ecological restoration models of coal mining collapses may be essentially categorized into five categories: the reclamation models for agriculture and forestry, fisheries and ecological wetland, landscape management, urban development, and new energy industry. The findings of this study can, to some extent, be used as data support for the supervision and thorough prevention and control of coal mining collapse in China as well as a source of reference for the ecological restoration of coal mining collapse, both of which have research significance.

Proceedings Article | 10 February 2023 Paper

Time series dynamic changing analysis on the mine geological environment in a natural reserve in Tibet based on the satellite remote sensing technology

Hao Wang, Fan Bu, Jing Wen, Jinzhong Yang, Weiling Yao, Qiong Liu

Proceedings Volume 12552, 125520T (2023) https://doi.org/10.1117/12.2667528

KEYWORDS: Mining, Remote sensing, Minerals, Satellites, Land mines, Environmental sensing, Sand, Technology, Lead, Iron

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By combining the offsite interpretation and field verification and the remote sensing data in a natural reserve in Tibet in 2012, 2014, 2016, 2018 and 2020, this article investigates the situation of mine compaction damage and its restoration. Also, using the result of 2012 data as a benchmark, it is focused on analysing the dynamic changes over the following four survey years in terms of compaction damage and restoration, under mining and abandonment mines, and the types of minerals involved. Then, the chart of incremental changing trends is generated. This study reflects the real-time information storage function of satellite remote sensing monitoring technology and its efficiency and advantages in wide-area ecological and geological environment surveys. The results of this study have provided data and technical support for the future management of the mine geological environment in natural reserves in western provinces in China.

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