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露天采石场土地复垦适宜性评价及应用
王锐1,2, 秦娅青1,2, 孙丹丹3, 马守臣1,2
1.河南理工大学 测绘与国土信息工程学院, 河南 焦作 454000;2.国土资源部土地资源综合监测 与持续利用野外科学观测研究基地, 河南 焦作 454000;3.北京佰信蓝图科技股份公司, 北京 100085
摘要:
[目的]构建合理可行的适宜性评价指标体系及评价标准,为不同条件下露天采石场选择最佳复垦模式提供一定的决策依据。[方法]采用层次分析法计算3种土地复垦模式中适宜性评价因子的权重。[结果]①选择地形条件、自然条件和社会经济条件3个层面中采场边坡坡度、采场岩壁粗糙度、植被覆盖度、有效土层平均厚度、年均降水量、社会经济水平、距城市距离、采石场集中连片度这8个因素作为适宜性评价因子,构建了适宜性评价指标体系及其评价标准;②以焦作市北山露天采石场复垦为缝山针国家矿山公园为例进行验证,评价体系分析结果与现有采石场土地复垦模式相一致。[结论]本研究提出的土地复垦适宜性评价指标体系及评价标准可以较好地指导露天采石场的土地复垦工作。
关键词:  土地复垦  露天采石场  适宜性评价  层次分析法
DOI:10.13961/j.cnki.stbctb.2018.03.030
分类号:
基金项目:国家自然科学基金项目“矿粮复合区耕地生态安全时空演变规律研究”(41541014);国土资源部中原地区土地资源综合监测与持续利用野外科学观测研究基地开放资助项目(FOB201503);河南省高校科技创新团队项目(18 IRTSTHN008)
Evaluation and Application of Land Reclamation Suitability in Open-pit Quarry
WANG Rui1,2, QIN Yaqing1,2, SUN Dandan3, MA Shouchen1,2
1.School of Surveying and Land Information Engineering, He'nan Polytechnic University, Jiaozuo, He'nan 454000, China;2.Land Research Integrated Monitoring and Sustainable Utilization in Central China, Field Science Observation & Research Base of the Ministry of Land and Resources of China, Jiaozuo, He'nan 454000, China;3.Beijing Baixin Blueprint GIS Science & Tech Co., Ltd, Beijing 100085, China
Abstract:
[Objective] To construct a reasonable and feasible evaluating indicator system in order to improve decision-making for open-pit quarry reclamation modes under different conditions.[Methods] Analytic hierarchy process(AHP) was used to calculate the weights of evaluation factors under three different land reclamation modes.[Results] ① With the consideration of topographical, natural and socio-economic conditions, eight evaluation factors including slope gradient, slope roughness, vegetation coverage, average effective soil thickness, average annual precipitation, socio-economic level, distance to city center and degree of quarry aggregation were selected to establish the evaluating indicator system and criteria. ② Beishan open-pit quarry reclaimed as the Fengshanzhen National Mine Park in Jiaozuo City was analyzed as a typical example. The results verified suitability of the evaluating indicator system.[Conclusion] The evaluating indicator system and criteria can provide references for land reclamation mode of open-pit quarry of related areas.
Key words:  land reclamation  open-pit quarry  suitability evaluation  AHP