Journal of Guangdong University of Technology ›› 2009, Vol. 26 ›› Issue (1): 6-.

• Comprehensive Studies • Previous Articles     Next Articles

Concentration Variation Characteristics and Time-frequency Analysis of PM10 in Zhanjiang

  

  1. （1.Key Laboratory of Atmospheric Physics & Environment CMA; Nanjing 210044; China; 2.Zhanjiang Meteorological Bureau; Zhanjiang 524001; China）;
  • Online:2009-01-01 Published:2009-01-01

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Abstract: Concentration Variation characteristics of PM10 in Zhanjiang during 2001~2007 were analyzed by means of the numerical statement method and time-frequency analysis. The results show that the PM10 concentration in Zhanjiang varies obviously from day to day and fits the peak type,which indicates a right asymmetric distribution shape with great decline.The variance and annual spans appear to have decreased these years. The mean value and variance of PM10 are great in winter and spring,while small in the other t...

Key words: PM10; numerical statement; time-frequency analysis;

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