Physical and Geographical Characteristics of Gannan Prefecture in Gansu Province

Gannan Tibetan Autonomous Prefecture is located in the upper reaches of the Yangtze River and Yellow River, bordering Dingxi and Longnan in the east, Aba Tibetan and Qiang Autonomous Prefecture in Sichuan in the south, Guoluo and Huangnan Prefecture in Qinghai Province in the west and Linxia Hui Autonomous Prefecture in the north. Geographical coordinates are located at100 46' ~104 44' east longitude and 33 06' ~ 3610' north latitude. It is 360.7 kilometers long from east to west and 270.9 kilometers wide from north to south, with a total area of 45,000 square kilometers.

topography

Located in the transition zone between the Qinghai-Tibet Plateau and the Loess Plateau, the terrain is high in the northwest and low in the southeast. The altitude in China is1100-4,900 meters, and most areas are above 3,000 meters. Gannan is divided into three natural types, and the southern part is the mountainous area of Fujian, with deep ravines and mild climate, which is one of the important forest areas in the province. The eastern part is hilly, cold and humid, and agriculture, forestry and animal husbandry run concurrently; The northwest is a vast meadow grassland, which is the main pastoral area of the province. [5]

Climatic characteristics

Gannan is located in the plateau, with low temperature all the year round, and the average annual temperature is only 4 degrees. The weather on the plateau is changeable, with frequent storms, large temperature difference between day and night and strong sunshine.