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甘肃省金昌市属大陆性温带干旱气候,夏季酷热而短促,冬季寒冷而漫长,春季风沙大,全年日照长,年平均蒸发量是年平均降雨量的15倍。因此,温湿度变化幅度大、风沙大、干燥和日照时间长是本地区档案保护工作的四大劲敌。另外,金昌市是全国污
Jinchang City, Gansu Province, belongs to the continental temperate arid climate. It is extremely hot and short in summer, cold and long in winter, with large sandstorms in spring and long annual sunshine. The annual average evaporation is 15 times of the annual average rainfall. Therefore, the temperature and humidity range, wind and sand, drying and sunshine long time is the four archives protection work rival. In addition, Jinchang City is a national pollution