地表煤矿开采与土地覆盖及利用变化的时空相互作用

IF 0.7 Q4 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY Journal of Sustainable Mining Pub Date : 2021-06-09 DOI:10.46873/2300-3960.1053
Nikolaos Paraskevis, Aikaterini Servou, C. Roumpos, F. Pavloudakis
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引用次数: 3

摘要

长期露天采矿和土地覆盖/利用变化已被证明具有关键关系。本研究调查了1990年至2018年期间托勒密(希腊北部)煤矿区这种关系的演变。在这方面,使用了卫星图像、Corine数据和采矿图。采用相对空间指标(RSI)描述矿产用地面积,利用ArcGIS工具定义土地覆被和利用变化。此外,统计分析了土地覆盖/利用面积对矿山作业参数的影响。研究表明,被描述为“矿物开采地点”的地区与“非灌溉耕地”和“过渡林地”存在很强的相关性。从1990年到2018年,森林总面积增加了三倍,主要是由于倾倒场的几何形状。此外,矿山作业参数与活跃矿区具有良好的相关性,剥脱比与褐煤产量与活跃矿区的比值呈线性关系。在一般情况下,计算出的土地利用类型的年变化率可能有助于预测未来的土地复垦用途,从而在适当的时候进行土地复垦规划。
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Spatiotemporal Interactions between Surface Coal Mining and Land Cover and Use Changes
Long-term surface mining and land cover/use changes have been evidenced to have a critical relationship. This study investigates the evolution of this relationship for Ptolemais (Northern Greece) coal mining area during the period 1990e2018. In this context, satellite images, Corine data, and mining maps were used. A relative spatial indicator (RSI) was adopted to describe the mineral land areas and ArcGIS tools to define the land cover and use changes. Furthermore, mine operation parameters were statistically analyzed concerning land cover/use areas. The study revealed that areas described as “mineral extraction sites” present a strong correlation with “non-irrigated arable land” and “transitional woodland”. From 1990 to 2018, the total forest area was increased by three times, mainly as a result of the dumping sites’ geometry. Additionally, the mine operation parameters are well correlated with the active mining area, and more specifically, there is a linear relationship between the stripping ratio and the ratio of lignite production to active mining area. In the general case, the calculated annual changing rate of land use types may contribute to the prediction of future land reclamation uses and, consequently, to land reclamation planning in due time.
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来源期刊
Journal of Sustainable Mining
Journal of Sustainable Mining Earth and Planetary Sciences-Geology
CiteScore
1.50
自引率
10.00%
发文量
20
审稿时长
16 weeks
期刊最新文献
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