Application of an Evaluation Model Based on Fuzzy Mathematica to Ganjiang River Water Quality

The author chiefly introduces a comprehensive evaluation model for water quality which was established based on the fuzzy approximate deduction and the maximum membership degree principle. Its application to Ganjiang River in Ganzhou city area water quality assessment, evaluation results: In rainy period, water quality is at Grade, In flat water period, water quality is at Grade, and in dry season, quality is at Grade.