摘要
基于2017年泰州市环境空气质量自动监测数据,定量评估NAQPMS模式、CMAQ模式对O_3-8h的预报效果。结果表明,就全年数据分析,模式预报值高于监测值,2种模式对O_3-8h预报的相关系数在0.67~0.79,标准化平均偏差NMB在1.1%~2.2%,标准化平均误差NME在30.5%~20.7%,均在理想范围内。按不同季节分析,NAQPMS模式对O_3-8h预报效果呈现春季秋季较好、冬季较差的特征;CMAQ模式对O_3-8h预报效果春季夏季较好,秋季冬季稍差。总体而言,CMAQ模式对O_3-8h预报效果较好。
Based on the automatic monitoring data of Taizhou environmental air quality in 2017, the predictive effect of NAQPMS model and CMAQ model for O_3-8 h was quantitatively evaluated. The results show that model predicted values are higher than the monitoring data based on annual data analysis, correlation coefficient for the two models for O_3-8 h prediction is within the range of 0.67~0.79, the range of NMB is 1.1%~2.2%, the range of NME is 30.5%~20.7%. Both are within the ideal range. According to the analysis of different seasons, the prediction effect of NAQPMS model for O_3-8 h is better in spring and autumn, while the effect is poor in winter. CMAQ model has a better predictive effect for O_3-8 h in spring and summer, while the predictive effect is relatively poor in autumn and winter. In general, the predictive effect of CMAQ model for O_3-8 h is better.
引文
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