Distribution characteristics and causes of Xigaze area

Shigatse is a prefecture-level city under the jurisdiction of Xizang Autonomous Region, which is located in the southwest of People's Republic of China (PRC) and the southwest of Qinghai-Tibet Plateau. It is bordered by Ali in the west, Naqu in the north, Lhasa and Shannan in the east, and Nepal, Bhutan, India and other countries. The length of the border line is 1.753 km, and the land area is1.8200 km2. [1] Shigatse has a population of 720,000 in 20 14 and governs 1 municipal district and 17 county.

Natural environment features: Located in Yarlung Zangbo River Valley Plain, with an average elevation of 3,840 meters. It is a low-altitude area on the Qinghai-Tibet Plateau with relatively flat terrain. The climate is mild, and the average temperature in Leng Yue is above 0℃. The rainy season and the dry season are very different. The air is humid from May to September, and the precipitation accounts for more than 90% of the annual precipitation. Precipitation is concentrated in July and August, which is the rainy season.