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本文对2010年1月至2012年5月共54次颠簸进行时空分布的统计分析,结果表明:颠簸报告的次数在不同航路差异较大,这与各航线的分布和航班密度有关,从年变化来看,由于3月急流轴摆动较为频繁,出现颠簸最多。同时利用NCEP1°×1°的再分析资料对高空物理量场进行分析,基于“配料法”找出容易产生颠簸的物理量配置关系,从而对以后预报飞机颠簸产生一定的指导与帮助。
In this paper, the statistical analysis of spatiotemporal distributions of 54 bumps from January 2010 to May 2012 shows that the number of bumpy reports varies greatly on different routes, which is related to the distribution of each route and the density of flights, and varies from year to year From the point of view, the jib axis fluctuated more frequently in March, causing the most turbulence. At the same time, the NCEP1 ° × 1 ° reanalysis data is used to analyze the physical field at high altitudes. Based on “ingredients method ”, the relationship between physical quantities prone to bumps is found out, and some guidance and help are provided for predicting aircraft bumps in the future.