摘要
从水土保持、土地复垦及环境保护的综合角度考虑，采用“五级指标逐级推断法”，即岩土污染程度、重塑地形坡度、地表物质组成、有效覆土厚度和土体容重五级分类指标逐级推断，确定露天煤矿待复垦土地适宜性评价单元类型为：（１）厚层覆土平台；（２）薄层覆土斜坡；（３）岩土混排斜坡；（４）混岩、页岩碎砾坡；（５）砂岩石砾坡。
Comprehensive considering of water and soil conservation,landreclamation and envirionment protection, a basic theories was studied to determine the uint types of land valuation for suitibility by the structure inference of 5 index, namly in this paper pollution degree of stripped rock and soil,slope degree of reconstructed landform,materials composition of land surface,loess depth covered and bulk density of reclaimed layer. The result showed that uint type of land valuation for suitability include:(1) Terrance covered loess depth of>80 cm;(2) Slopecovered loess depth of <30 cm; (3) Slope dumped rocks mixed loess; (4)Slope dumped mudstone and shale;(5) Slope dumped sandstone
基金
山西省青年科学基金
关键词
露天煤矿
待复垦土地
土地适宜性评价
Open-pit coal mine
Reclaimed land
Land suitability valuation
