Remote sensing-based assessment of ecological quality in open-pit coal mining areas based on the pressure-state-response and time series prediction models
LIU Jinyu1(), HU Jinshan1(), KANG Jianrong1, ZHU Yihu2, WANG Shengli2
1. School of Geography, Geomatics and Planning, Jiangsu Normal University, Xuzhou 221116, China 2. Jiangsu Geologic Surveying and Mapping Institute, Nanjing 211102, China
To quantify the mining disturbance of open-pit coal mines to surrounding ecosystems, this study investigated the Pingshuo mining area in Shanxi Province. Based on the pressure-state-response (PSR) model, seven types of assessment indicators were selected to construct the remote sensing ecological index of open-pit coal mining area (OMRSEI) through combination weighting. The validity of the OMRSEI was verified through correlation and comparative analyses. Moreover, the trend of ecological evolution in the study area for the next two years was predicted using the exponential smoothing method. The results indicate that the OMRSEI exhibited significant spatial correlation and validity, establishing it as an effective remote sensing indicator for ecological assessment in open-pit coal mining areas. The study area manifested an overall enhanced ecological quality from 2013 to 2023. Specifically, the Antaibao and Anjialing open-pit coal mines witnessed continuously improved ecological quality due to the progressive restoration of waste dumps. In contrast, the Dong open-pit coal mine displayed an ecological quality trend characterized by a first decline and then recovery. The average OMRSEI of the study area is predicted to continuously rise from 2025 to 2027, indicating sustained enhancement in ecological quality.
刘晋宇, 胡晋山, 康建荣, 朱益虎, 王胜利. 基于PSR和时序预测模型的露天煤矿区生态环境质量遥感评价[J]. 自然资源遥感, 2025, 37(6): 182-190.
LIU Jinyu, HU Jinshan, KANG Jianrong, ZHU Yihu, WANG Shengli. Remote sensing-based assessment of ecological quality in open-pit coal mining areas based on the pressure-state-response and time series prediction models. Remote Sensing for Natural Resources, 2025, 37(6): 182-190.
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