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Division of carbon sink functional areas and path to carbon neutrality in coal mines
International Journal of Coal Science & Technology Pub Date : 2022-06-25 , DOI: 10.1007/s40789-022-00507-y
Boyu Yang , Zhongke Bai , Shuai Fu , Yingui Cao

Remote sensing image data of typical mining areas in the Loess Plateau from 1986 to 2018 were used to analyze the evolution of land use, explore the division of carbon sink functional areas, and propose carbon neutrality paths to provide a reference for the coal industry carbon peak, carbon-neutral action plan. Results show that (1) land use has changed significantly in the Pingshuo mining area over the past 30 years. Damaged land in industrial, opencast, stripping, and dumping areas comprises 4482.5 ha of cultivated land, 1648.13 ha of grassland, and 963.49 ha of forestland. (2) The carbon sink functional areas of the Pingshuo mining land is divided into invariant, enhancement, low carbon optimization, and carbon emission control areas. The proportion of carbon sinks in the invariant area is decreasing, whereas the proportion in enhancement, low carbon optimization, and carbon emission control areas is gradually increasing. (3) The carbon neutrality of the mining area must be reduced from the entire process of stripping–mining–transport–disposal–reclamation, and carbon emissions and carbon sink accounting must start from the life cycle of coal resources. Therefore, carbon neutrality in mining areas must follow the 5R principles of reduction, reuse, recycling, redevelopment, and restoration, and attention must be paid to the potential of carbon sinks in ecological protection and restoration projects in the future.



中文翻译:

煤矿碳汇功能区划分与碳中和路径

利用1986-2018年黄土高原典型矿区遥感影像数据,分析土地利用演化,探索碳汇功能区划分,提出碳中和路径,为煤炭行业碳峰值提供参考,碳中和行动计划。结果表明:(1)平朔矿区的土地利用在过去 30 年中发生了显着变化。工业区、露天区、剥离区和倾倒区的受损土地包括耕地4482.5公顷,草地1648.13公顷,林地963.49公顷。(2)平朔矿区碳汇功能区划分为不变区、增强区、低碳优化区和碳排放控制区。不变区的碳汇比例呈下降趋势,而增强区的碳汇比例呈下降趋势,低碳优化,碳排放控制区逐步增加。(3)矿区碳中和必须从全过程降低剥离—开采—运输—处置—复垦,碳排放和碳汇核算必须从煤炭资源的生命周期开始。因此,矿区碳中和必须遵循减量化、再利用、循环利用、再开发修复的5R原则,未来生态保护和修复项目必须关注碳汇的潜力。

更新日期:2022-06-27
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