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土地损毁程度评价是土地复垦适宜性评价及制定复垦措施的重要依据。对于煤矿区而言,损毁土地面积大,土地类型多,任务重,高效合理地确定土地损毁情况对提高复垦质量具有重要意义。结合具体的土地复垦方案实例,根据土地复垦方案编制规程对土地损毁程度评价的要求,基于沉陷预测数据,利用GIS技术进行土地损毁程度评价。研究结果表明,利用GIS工具可以帮助方案编制者较为快速的获取土地损毁数据,提高土地复垦的科学性和合理性。
The assessment of the degree of land damage is an important basis for assessing suitability of land reclamation and formulating reclamation measures. For the coal mining area, it is of great significance to improve the quality of reclamation land that the damaged land area is large, the land types are heavy, the task is heavy, and the effective and reasonable determination of the land damage situation is made. According to the concrete land reclamation project example, according to the requirement of the land reclamation planning code to evaluate the land damage degree, based on the subsidence prediction data, the GIS technology is used to evaluate the land damage degree. The results show that the use of GIS tools can help planners to obtain land damage data more quickly and improve the scientific and reasonable land reclamation.