The largest prefecture-level city

The largest prefecture-level city is Naqu City.

Naqu is a prefecture-level city under the jurisdiction of Xizang Autonomous Region, located in the northern part of Tibet and the hinterland of the Qinghai-Tibet Plateau. It is the source of the Yangtze River, Nujiang River, Lhasa River and Gong Yi. It borders Xinjiang Uygur Autonomous Region and Qinghai Province, Changdu City in the east, Lhasa City, Shigatse City and Linzhi City in the south, and Ali District in the west.

Naqu has a total area of 430,000 square kilometers, and governs 1 1 county (district),1/4 township (town) and1/90 village (neighborhood) committees with a total population of 500,000. The geographical location is about 83 degrees 55 minutes to 95 degrees 5 minutes east longitude and 29 degrees 55 minutes to 36 degrees 30 minutes north latitude. The central part of Naqu is hilly and mountainous, with a high altitude in the northwest, and the northern part belongs to Tanggula Mountain area, which is a typical plateau and mountainous terrain.

Climatic characteristics of Naqu city

Naqu belongs to the sub-cold climate zone, with high altitude, insufficient heat, cold and dry climate, and the oxygen content is only half of the sea level. The northern Tibetan Plateau is one of the regions with the worst climatic conditions in Tibet, and it is a typical sub-cold zone. Cold and lack of oxygen, dry climate, large temperature difference between day and night, windy weather.

The annual average temperature in Naqu is -0.9℃ to -3.3℃, the annual relative humidity is 48-5 1%, the annual average rainfall is only between 100-200mm, and the annual sunshine hours are 2852.6-288 1.7 hours. The climate is dry and cold all year round and there is no absolute frost-free period. Every year 1 1 to March of the following year is a dry and windy period in northern Tibet. Once it snows, it will easily turn into a snowstorm. During this period, the climate is dry, the temperature is low, and the oxygen-deficient sandstorm is large and lasts for a long time.

Reference to the above content: Baidu Encyclopedia-Naqu City