【摘要】 利用近30年(1981～2010年)开平市霾日的年、季、月和年距平变化趋势进行分析,结果表明30年来开平市霾日呈上升趋势,霾日的年际变化较大;霾日存在明显的季节性,从多到少依次为冬季、秋季、春季、夏季;各月霾日变化是当年10月至次年1月最多,5～8月最少。更多还原

【Abstract】 Use nearly 30 years(1981 ~ 2010) kaiping haze,year,season,month and year anomaly trend to carry on the analysis,and the results show that 30 years,kaiping haze shows ascendant trend,haze,the interannual variability of bigger;Haze,obvious seasonal,from more to less is in the winter,autumn,spring,summer,Change is produced haze days in October to the following January most,5 ~ 8 month at least.更多还原