我国四季地面折射场结构的某些气候特征

LAND SURFACE REFRACTION FIELD CONSTRUCTION'S CERTAIN CLIMATIC CHARACTERISTIC OF THE FOUR SEASONS IN OUR COUNTRY

本文对我国具有代表性的121个台站四季地面上的月平均折射指数N单位进行气候分析,结果表明:我国地面折射场结构分布形势与季节、纬度、地形、海陆分布、气团属性、冷空气活动路径,水汽通道均有密切关系。另外发现,四种N单位分布形势各有其特点。

In the paper, Climaticed analysis is performed of monthly refraction index N Unit on the surface of representative 121 meteorological observing station of four sensons in China. Results indicate that the distribution trend of surface refraction field in China is related to seasons, latitude, topograph, the distribution of sea and land, the types of air masses, the route of cald air. flow of water-vapour. And we find that the characteristic features of the dis ribution trend of four kinds of N uuit are different.