Abstract:

     TOPSIS is a method for multi-objective policy-decision, which can be applied in the environment quality evaluation of soil. In this paper, principles and calculation procedures of TOPSIS method were introduced in detail. And the TOPSIS method was applied in the evaluation of topsoil environment quality in Fuzhou City. The results showed that TOPSIS method, combined with the environmental quality standard for soils,not only could confirm the quality degree of every evaluation object, but also could assess more objects at the same time and make comparison between different evaluation objects for environment quality. TOPSIS method is reasonable and applicable in the soil quality assessment.

Key words: TOPSIS method, environmental quality evaluation, soil