Tanchang County is located in the ecotone between Minshan Mountain System and West Qinling Mountain on the edge of Qinghai-Tibet Plateau, with an altitude of1138-4154m. It belongs to temperate continental climate, with mild and humid climate, remarkable vertical climate and great difference between north and south. Natural resources mainly include mineral resources, animal and plant resources and hydropower resources.
Tanchang County is known as the "Millennium Medicine Town", with more than 690 kinds of Chinese herbal medicines, especially angelica, dangshen, rhubarb, Hedysarum, Bupleurum and astragalus. Tanchang County has been successively rated as "the most beautiful destination city in China", "a famous green county in China", "the best cultural and eco-tourism destination in China", "a low-carbon tourism demonstration county in China" and "a red classic tourist resort in China". There are places of interest such as Hadapu Red Army Long March Memorial Hall and Guan 'egou National Forest Park.
Extended data:
Tanchang County belongs to the crisscross zone between the edge of Qinghai-Tibet Plateau and the branches of West Qinling and Minshan Mountains. In addition, due to long-term erosion and cutting by Minjiang River, Bailong River and other rivers, the mountains in the territory are undulating, ravines are criss-crossing, the terrain is extremely complex, and the mountain features are remarkable.
The terrain inclines from northwest to southeast and consists of three major units: mountains, hills and valleys. There are many deep mountain canyons in the south and loess ridges in the north. The elevation of the county is between1138-4154m, with an average elevation of 2300m. The highest Gulei Mountain is 4154m above sea level, the lowest one is Liguokou, Shawan Water Cave,1/38m above sea level, and the county seat is1748m above sea level.
Dangchang County is a transitional zone of three climates: north subtropical, temperate and plateau, with obvious vertical climate and great difference between north and south. Generally speaking, it belongs to temperate continental climate with mild and humid climate. According to the climate division of Gansu province, it belongs to the temperate humid area of Longnan. The annual average temperature is 9.3℃, the annual average precipitation is 583.9 mm, the annual average relative humidity is 66%, the annual average sunshine 1986.5 hours, the annual average frost-free period 18 1 day, and the maximum frozen soil depth is 45cm.
Baidu encyclopedia-Tanchang county