安太堡露天煤矿复垦土地适宜性评价研究

Suitability Evaluation of the Reclaimed Land in Antaibao Opencast Coal Mine

本文主要对安太堡露天煤矿复垦土地进行适宜性评价研究。包括复垦土地评价单元的划分、评价因素及评价指标体系的选择和确定以及适宜性评价。针对安太堡露天煤矿复垦土地主要建立在人工堆垫地貌上 ,打破了原地貌上的土地单元 ;且地表物质组成为煤层上覆岩土混合物 ,这使得复垦土地的农业利用不仅受到常规因子的制约 ,而且也受到特殊因子如土壤物理因子非均匀沉降和化学因子岩土污染等的影响 ,因而 ,安太堡复垦土地适宜性评价从土地评价单元的划分到评价因子的选择再到评价指标体系的确定都有与常规的适宜性评价差异的地方 ,也是本文探讨的重点 ,最终获得适宜性评价的结论。从而为安太堡露天煤矿复垦土地的合理利用提供科学依据 。

This paper mainly researches into suitability evaluation of the reclaimed land in Antaibao opencast coal mine,which will not only provide scientific evidence for the use of the reclaimed land in this area,but also give some thoughts and measures to the other similar land suitability evaluation.More importance was put on dividing the evaluation units,selecting evaluation factors,choosing and determining the evaluation index system and the evaluation results.All this is different from the general ones of land suitability evaluation for the reclaimed land in Antaibao opencast coal mine is built on the artificial landform and have lost the original land units and its material is made up of the mixture of rock and soil over the layer of coal which causes the common factors as well as the special factors such as land uneven subsidence,land pollution ,etc.being considered in land suitability evaluation.