摘要
对1963～2004年和田市各级别大气能见度进行统计分析,揭示了大气能见度的年际变化和季节变化特征。近20a来和田市大气环境质量趋于好转,造成能见度恶化的重要原因是大气中悬浮颗粒的增多,因此大气能见度是评价大气环境质量的重要指标。
By using statistic method,analyzed the data of visibility from 1963 to 2004 in Hotan city,revealed the characteristics of visibility in seasonal and annual variation.The air quality and environment of Hotan city have tended towards better in past 20 years .The important reason which cause visibility towards worse is the increase of suspending particles in air.So, visibility was an important index to evaluate the air quality and environment.
出处
《新疆气象》
2006年第1期24-25,29,共3页
Bimonthly of Xinjiang Meteorology
关键词
能见度
沙尘天气
大气污染
visibility
dust weather
air pollution
