摘要
由于石漠化致使土壤严重侵蚀,基岩大面积出露,土壤严重侵蚀,土地生产力严重下降,因此,对石漠化土地整治适宜性评价很有必要。基于RS和GIS技术,结合土地石漠化原因,选取石漠化发育区域土地整治适宜评价因子进行划分等级,构建关于石漠化土地整治适宜性评价的方法体系。并以土地石漠化土地整治项目区西畴县三个村为实例,运用TM遥感影像技术和GIS技术进行整理分析。对石漠化土地适宜性进行评价,为石漠化土地整治项目提供理论依据和决策支撑。
Because rocky desertification causes serious soil erosion, large-scale exposure of bedrock, serious soil erosion and serious decline of land productivity, it is necessary to evaluate the suitability of rocky desertification land regulation. Based on RS and GIS technology, combined with the causes of rocky desertification, the suitable evaluation factors of land consolidation in rocky desertification developing areas are selected to classify the grades, and the method system of land consolidation suitability evaluation is constructed. Taking the three villages in Xichou County as an example, the land rocky desertification land consolidation project area is analyzed by using TM remote sensing image technology and GIS technology. This paper evaluates the suitability of rocky desertification land, and provides theoretical basis and decision support for the project of rocky desertification land improvement.
引文
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