Extended data:
geographical position
Weiyuan County is located in the middle of Gansu Province, in the middle and west of Dingxi City. It is 0/74km away from Lanzhou, the provincial capital, and 55km away from Longxi Station of Longhai Railway. Its geographical coordinates are10402 ′ ~10449 ′ east longitude and 33 26 ′ ~ 35 07 ′ north latitude, with a total area of 2066.
climate
Weiyuan County has a temperate continental climate, with an average annual precipitation of about 500mm, an average temperature of 6.8℃, an extreme maximum temperature of 30.5℃, an extreme minimum temperature of -20. 1℃ and a frost-free period of 166 days. According to the different characteristics of topography, climate and rainfall, the county can be divided into three types: cold and humid areas in the south, shallow gully river (plateau) areas in the middle, and loess hilly and gully arid areas in the north.
topography
Weiyuan county is the intersection of the loess plateau edge and the western end of the west Qinling geosyncline, which belongs to the multi-cycle tectonic movement area, with high terrain in the southwest and low terrain in the northeast. With Weihe River as the boundary, it is divided into two geological structures: north and south. The altitude is between 1930-394 1 m, and the county is 2080 meters above sea level.
References:
Baidu encyclopedia-Weiyuan county