基于GIS的土地质量评价——以河北省曲周县为例

LAND QUALITY EVALUATION AIDED BY GIS --A Case Study in Quzhou County,Hebei Province

在土地持续利用状况的分析过程中 ,首先要进行土地质量数值化分等定级。在应用地理信息系统 ,以河北省曲周县为例 ,运用指数和法对曲周县的土地质量进行评价 ,将整个曲周县的土地分为五级 ,即高、较高、中、较低、低 ,各级土地所占的比例分别为 2 78%、 4 0 5 7%、 35 6 5 %、 19 0 1%、 1 99%。

Quantitative land quality classification is the first step for the analysis of sustainable land use scenarios.In this paper,The land quality of Quzhou County was quantified based on the parametric method.The GIS was used to classify land quality into five classes,which respectively account for 2 78%,40 57%,35 65%,19 02% and 1 99% of total arable land.