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Application of Grey System Theory in Analysis and Prediction of Atmospheric Environmental Quality in Yantai

TAN Chun-ying et al(College of Geography and Resources Management,Ludong University,Yantai,Shandong 264025)  
The Grey Correlation Analysis of atmospheric environment pollution factors(SO2,NOx and TSP) in air quality index in Yantai was conducted with the Grey System Theory and the atmospheric environmental quality in future five years in Yantai downtown was predicted.The results showed that the first factor influencing urban atmospheric environment quality was TSP and SO2 was the second one.The urban atmospheric environment in Yantai was being improved year by year.
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