岷县高炮防雹效果分析  

Effect Analysis of Artificial Anti-Hail in Min Xian

作　　者：渠永兴[1] 孙旭映[1] 阎敬泽[1] 

机构地区：[1]中国气象局兰州干旱气象研究所,甘肃兰州730020

出　　处：《甘肃气象》2003年第2期37-38,41,共3页Gansu Meteorology

摘　　要：根据甘肃省岷县1959～1998年的年雹日和受灾面积历史资料,用统计学方法分析检验高炮防雹效果。经序列、wolch检验发现,高炮防雹后"年雹日"减少32.8%,"受灾面积"减少33.6%,显著性水平达到0.05,可信度达95%以上。According to the annual hail day and disaster area historical data of Min Xian from 1959 to 1998, this paper analyzed the effect of artificial anti-hail with statistical method.The results show that yearly hail day and disaster area reduced 32.8% and 33.6% respectively after the artificial anti-hail, Getting remarkable level up to 0.05, the credibility is more than 95%.

关 键 词：岷县 高炮 人工防雹 防雹效果 检验 

分 类 号：P482[天文地球—大气科学及气象学]