土地资源评价方法及评价因素权重的确定探析

综述了目前土地资源评价方法和评价系数权重的确定研究成果,评价了主观赋权法(德尔菲、AHP法)和客观赋权法(主成分分析法、因子分析法、灰色关联法和熵值法)的优、缺点,并认为运用主观赋权法掺杂了决策者的主观随意性,而运用客观赋权法却缺乏决策者的意愿。指出主、客观信息综合集成的新方法是土地资源评价方法及评价因素权重确定的新途径。

The soil resources evaluation methods and the definition of the evaluation factors weight

The soil resources evaluation methods and the definition of the evaluation factors weight have been summarized.The benefits and shortcomings of the objective evaluation(principal component analysis,factor analysis law,grey incidence law and entropy value law)and the subjective evaluation(Delphi's law and AHP's law)are also appraised,showing that the subjective evaluations has the decision person's subjectiveness and the objective evaluations is short of the wish of policy makers.The comprehensive collection of subjective and objective informations should be a new way of the soil resources evaluation and the definite of the evaluation factors weight.