摘要
以巴马县 1∶1万土地利用现状图图斑作为评价单元。建立图斑的地形、土壤等适宜性等级影响因素数据库 ,运用主成分分析法确定各土地适宜类的参评因子 ,定性与定量分析相结合量化参评因子、适宜等级等 ,运用特尔菲测定法确定各土地适宜类号、参评因子的权重 ,采用经验指数和法模型划分土地等级 ,模型经实地评价、专家经验分析进行多次拟合和完善 ;
The evaluation unit is the present map stains in land use,and its determined factors are based on the key composition analysis.The combination of qualitative and quantitative analysis can quantitate the evaluation factors and land suitability classes.The delphi way is used to difine their importance degree.The way of experience index sum is used to divide land suitability classes.The models have been evaluated on the spot by experts.The evaluation results have been tested by computer.
出处
《桂林工学院学报》
2001年第4期376-380,共5页
Journal of Guilin University of Technology
基金
广西巴马县人民政府资助项目
