【摘要】 土地利用结构调整是土地资源进行配置的基本手段,分析土地利用结构变化规律对于区域土地资源的合理利用和有效配置具有重要意义。以晋城市为例,基于信息熵的理论,对晋城市1996~2008年的土地利用结构信息熵变化及2008年各区县信息熵差异进行了研究,同时运用主成分分析法对土地利用结构信息熵变化的驱动力进行了分析。研究结果表明,晋城市土地利用结构信息熵总体呈增加趋势,土地利用结构的均质性逐渐增强,土地利用朝着均衡状态发展;2008年各区县的土地利用结构信息熵差异较大,反映了不同的经济水平和土地利用状况;经济因素和农业发展因素是土地利用结构变化的主要驱动力因素。基于信息熵的土地利用结构变化分析有利于揭示土地利用结构变化的时空分异特征,对于社会经济发展形势下的土地利用结构调整具有一定指导意义。更多还原

【Abstract】 Adjustment of land use structure is the basic means of allocating land resource,and analyzing on temporal- spatial changes of land use has an significance on regional rational use and effective allocation of land resource. Setting Jincheng City as an example and based on information entropy theory,the paper studied the change from 1996 to 2008 as well as the spatial diversity of all districts and counties in information entropy of land use structure in Jincheng City,and analyzed driving force of information entropy of land use structure by method of principal component analysis. The results showed:( 1) The information entropy of land use structure showed an increasing trend,which indicated the homogeneousness of land use structure increased gradually and land use towered a balanced state.( 2) The information entropy of land use structure varied greatly in districts and counties,which reflected different economic levels and land use situation.( 3) Economic factors and agricultural development factors are the main driving force of land use structure change. Analysis on change of land use structure based on information entropy can help reveal temporalspatial characteristic of land use structure change,and has a guiding significance for the adjustment of land use structure under the situation of socio-economic development.更多还原