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Correlation analysis between combustion of underground residual coal and surface carbon flux in goaf
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Yongjun WANG1, 2, Qian ZHENG1, Hemeng ZHANG1, 2, Wei DONG3, Xiaoming ZHANG1, 4, Kyuro SASAKI3
China Safety Science Journal | 2024, 34(2) : 161 - 167
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China Safety Science Journal | 2024, 34(2): 161-167
• Safety engineering technology •
Correlation analysis between combustion of underground residual coal and surface carbon flux in goaf
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Yongjun WANG1, 2, Qian ZHENG1, Hemeng ZHANG1, 2, Wei DONG3, Xiaoming ZHANG1, 4, Kyuro SASAKI3
Affiliations
  • 1 College of Safety Science and Engineering，Liaoning Technical University，Huludao Liaoning 125105，China
  • 2 Key Laboratory of Mine Thermodynamic Disasters and Control of Ministry of Education，Liaoning Technical University，Huludao Liaoning 125105，China
  • 3 Faculty of Engineering，Kyushu University，Fukuoka 819-0385，Japan
  • 4 Institute of Engineering and Environment，Liaoning Technical University，Huludao Liaoning 125105，China
Published: 2024-02-28 doi: 10.16265/j.cnki.issn1003-3033.2024.02.0420
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In order to explore the response mechanism of spontaneous combustion of underground coal and surface carbon flux under complex conditions，the surface CO2 flux，soil temperature，fissure，environmental wind velocity and soil humidity in Fuxin Haizhou open-pit mine were monitored for a long time. Field tests，data analysis and other methods were applied to study the correlation between the underground coal spontaneous combustion and surface CO2 flux. The influence of surface fissure，environmental wind velocity and soil humidity on the response mechanism of underground coal spontaneous combustion-surface carbon flux were analyzed. The results show that underground coal combustion is the fundamental factor triggering the abnormal surface carbon flux response. The surface CO2 flux is positively correlated with the surface soil temperature distribution. Surface fissure is the main factor affecting the surface CO2 flux distribution. The environmental wind speed is positively correlated with the surface CO2 flux. The surface CO2 flux response is generally not affected by soil humidity，but it is greatly affected by rainfall.

goaf  /  combustion of residual coal  /  soil surface CO2 flux  /  correlation analysis  /  surface fissure  /  environmental wind velocity  /  soil humidity
Yongjun WANG, Qian ZHENG, Hemeng ZHANG, Wei DONG, Xiaoming ZHANG, Kyuro SASAKI. Correlation analysis between combustion of underground residual coal and surface carbon flux in goaf[J]. China Safety Science Journal, 2024 , 34 (2) : 161 -167 . DOI: 10.16265/j.cnki.issn1003-3033.2024.02.0420
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Year 2024 volume 34 Issue 2
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Article Info
doi: 10.16265/j.cnki.issn1003-3033.2024.02.0420
  • Receive Date：2023-08-20
  • Online Date：2025-07-09
  • Published：2024-02-28
Article Data
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History
  • Received：2023-08-20
  • Revised：2023-11-21
Funding
Affiliations
    1 College of Safety Science and Engineering，Liaoning Technical University，Huludao Liaoning 125105，China
    2 Key Laboratory of Mine Thermodynamic Disasters and Control of Ministry of Education，Liaoning Technical University，Huludao Liaoning 125105，China
    3 Faculty of Engineering，Kyushu University，Fukuoka 819-0385，Japan
    4 Institute of Engineering and Environment，Liaoning Technical University，Huludao Liaoning 125105，China
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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