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《Journal of Shaanxi University of Technology(Natural Science Edition)》 2012-06
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The grey forecasting of atmospheric environment quality in Hanzhong Shaanxi

LI Chen(School of Chemistry and Environmental Science,Shaanxi University of Technology, Hanzhong 723000,China)  
Based on the monitoring data(PM10,SO2,NO2,CO) of atmospheric environment quality in Hanzhong city during 2005—2011,the GM(1,1) models were established with grey theory and simulation and prediction concentration of PM10,SO2,NO2,CO in this paper.After examination and correlation,the accuracy and reliability of SO2 and CO models were high.Correction by residual model can improve accuracy and reliability of PM10 model.NO2 model is not suitable for gray-scale modeling of small sample data.Besides,these models were also used to forecast of the concentrations of main air pollutants of Hanzhong during 2012—2015,which could provide reference for the prevention and control of air pollution for Hanzhong.
【Fund】: 陕西省教育厅科研基金资助项目(11JK0760)
【CateGory Index】: X831
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