中川机场扬沙、浮尘和沙尘暴低能见度的气候特征

The Analysis About Climatical Character Of Low Visibility For Sandstorm And Floating Dust Weather Process At Zhongchuan Airdrome

统计分析了 1987～ 1998年间 ,中川机场扬沙、浮尘和沙尘暴低能见度的年际、年、日变化及其出现次数和持续时间等气候特征 ,得出风沙日数减少 ,扬沙低能见度主要出现在午后 ,浮尘低能见度主要出现在上午及傍晚等结论。

During 1987-1998,the climatical characters of low visibility about raise sand and floating dust and sand dust were statistical analyzed,such as the daily and yearly changes, emergence times and duration, the conclusions were educed that the daily number of sand blown by wind is decreasing, low visibility about raise sand occur in afternoon,and the floating dust or sandstorm occur in forenoon at zhongchuan airdrome.