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对神经网络污染预报建模的影响因素

Keywords: 污染预测,人工神经网络,BP网络

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Abstract:

为了通过大气环境质量的预测提出有效的污染防治措施,作者采用伦敦市PM_(2.5)的小时监测数据,利用传统的BP神经网络建立预报模型,定量预测伦敦市PM_(2.5)的小时平均质量浓度,探讨了大气污染预报网络的建模过程中,扩大样本集、去除样本集数据噪声和在输入向量中加入气象变量等因素对建模所产生的影响.最后得出结论,适当选择样本集、加入气象变量,有利于提高所建网络模型的预测精度.

References

[1]  于淑秋,林学椿,徐样德.北京市区大气污染的时空分布特征[J].应用气象学报,2002,13(S1):92-99. YU Shu-qiu,LIN Xue-chun,XU Xiang-de.Temporal and spatial characteristics of air pollution in Beijing[J].Quarterly Journal of Applied Meteorology,2002,13(S1):92-99.(in Chinese)
[2]  蔡旭晖,张睿,宋宁,等.北京地区大气PM10和SO_2的背景浓度分析[J].气候与环境研究,2004,9(3):2445-2453. CAI Xu-hui,ZHANG Rui,SONG Ning,et al.An analysis on background concentration of PM10 and SO_2 over Beijing area [J].Climatic and Environmental Research,2004,9(3):2445-2453.(in Chinese)
[3]  潘建国,曹军骥,麦朝安,等.珠海空气中可吸入颗粒物(PMl0)的时空变化特征[J].环境科学研究,2003,16(5):6-8. PAN Jian-guo,CAO Jun-ji,MAI Chao-an,et al.Spatial-temporal variations of atmospheric PM10 over Zhuhai[J].Research of Environmental Sciences,2003,16(5):6-8.(in Chinese)
[4]  盛立方,耿敏,王园香,等.2002年春季沙尘暴对青岛大气气溶胶的影响[J].环境科学研究,2003,16(5):12-138. SHENG Li-fang,GENG Min,WANG Yuan-xiang,et al.Effects of dust storms on atmospheric aerosols in Qingdao in spring 2002[J].Research of Environmental Sciences,2003,16(5):12-138.(in Chinese)
[5]  孟燕军,程丛兰.影响北京大气污染物变化的地面天气形势分析[J].气象,2002,28(4):42-47. MENG Yan-jun,CHENG Cong-lan.Impact of surface synoptic situations on air pollution in Beijing area[J].Meteorological Monthly,2002,28(4):42-47.(in Chinese)
[6]  周势俊,宋煜,吴士杰.Kalman滤波法在城市空气污染预报中的应用[J].中国环境监测,2000,16(4):50-52. ZHOU Shi-jun,SONG Yu,WU Shi-jie.The application of kalman filter approach in air pollutant forecast[J].Environment Monitoring in China,2000,16(4):50-52.(in Chinese)
[7]  姜大膀,王式功,郎咸梅,等.兰州市区低空大气温度层结构特征及其与空气污染的关系[J].兰州大学学报(自然科学版),2001,37(4):133-139. JIANG Da-bang,WANG Shi-gong,LANG Xian-mei,et al.The characteristics of stratification of lower—layer atmospheric temperature and their relations with air pollution in Lanzhou proper[J].Journal of Lanzhou University(Natural Science), 2001,37(4):133-139.(in Chinese)
[8]  王俭,胡筱敏,郑龙熙,等.基于BP模型的大气污染预报方法的研究[J].环境科学研究,2002,15(5):62-64. WANG Jian,HU Xiao-min,ZHENG Long-xi,et al.Study on forecasting of air pollution based on BP mode[J]l.Research of Environmental Sciences,2002,15(5):62-64.(in Chinese)
[9]  董长虹.Matlab神经网络与应用[M].北京:国防工业出版,2005.
[10]  秦侠,雷蕾,姚小丽.大气污染预测中提高BP网络泛化能力的方法[J].北京工业大学学报,2007,33(8):849-851. QIN Xia,LEI Lei,YAO Xiao-li.Methods to improve the generalization of BP neural network applied in air pollution forecasting[J].Journal of Beijing University of Technology,2007,33(8):849-851.(in Chinese)
[11]  P(?)REZ P,TRIER A,REYES J.Prediction of PM_(2.5) concentrations several hours in advance using neural networks in Santiago,Chile[J].Atmospheric Environment,2000,34:1189-1196.

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