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          | APPLIED GEOPHYSICS    
	          2025 22 (1): 
	          197-208   
	          ISSN: 1672-7975  CN: 11-5212/O
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                | Prediction of sandstone porosity in coal seam roof based on variable mode decomposition and random forest method | 
               
              
                | Huang Ya-ping,*, Qi Xue-mei, Cheng Yan, Zhou Ling-ling, Yan Jia-hao, and Huang Fan-rui | 
               
              
                | 1. School of Resources and Geosciences, China University of Mining and Technology, Xuzhou 221116, China;
2. China National Administration of Coal Geology, Beijing 100038, China;
3. The First Geological Brigade of Jiangsu Geological Bureau, Nanjing 210041, China | 
               
              
                | Received: 2024-10-01  Revised: 2025-01-01  Online: null | 
               
              
                Supporting info
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