| Popis: |
To find out the water quality of the constructed wetland in Ming-Guan testing ground of Hebei University of Engineering, according to the water pollution situation of the constructed wetland in Ming Guan testing ground, take the monitoring data of water quality which are tested at eight monitoring points from October to November in 2016 as the based data. Choose total nitrogen, total phosphorus, dissolved oxygen, chemical oxygen demand and other indicators.The improved fuzzy comprehensive evaluation method combined with MATLAB programming was used to evaluate the water quality of the study area.Evaluation results show that the class I water accounted for 4% of the total evaluation, the class II water accounted for 14% of the total evaluation, the class III water accounted for 20% of the total evaluation, the class IV water accounted for 59% of the total evaluation, the class V water accounted for 3% of the total evaluation.The results is consistent with the actual situation of water body and provide a theoretical reference for the water quality evaluation of the Ming-Guan testing ground of Hebei University of Engineering. |
