Qierexiang, ANGREN County, Xigaze City, Tibet Autonomous Region

Qierexiang

Qierexiang lies between 87.14-87.75 ° E and 29.17-31 ° n, about 3 ° w / N of Xigaze, upstream of Yarlung Zangbo River and mid ridge line of Gangdese mountains. It is adjacent to Xietongmen and Razi counties in the East, Coqin and saga counties in the west, nilamu and Dingri counties in the South and Shenzha County in the north. La (Zi) Pu (LAN) highway (219 national highway) traverses the southern part of the territory.

terrain

The terrain gradually rises from east to west, and the mountains account for more than three fifths of the total area. There are more than 80 peaks at an altitude of 4500 meters to 6300 meters. The topography of the county can be divided into three steps. Above 4600 meters above sea level, the rock body is exposed, and most of them do not grow plants. Many mountains are red, yellow, blue, white and purple. From 4400 meters to 4600 meters above sea level, the sunny slopes of the mountains are covered with Sabina vulgaris or a small amount of grass, while the shady slopes are covered with a large area of grass vegetation. The valley plain is mostly grassland, which is the animal husbandry base of the county Below 4400 meters, it is mainly the agricultural production base, that is, the location of six agricultural townships. Because the Gangdise mountains run from east to west, the terrain is higher in the middle and lower in the South and North. In the south, with an average altitude of about 4000 meters, there are "one river and two rivers", namely the Yarlung Zangbo River, which flows through three townships (towns) of riwuqi, duobai and Kaga in the county, with a length of 252 km; duoxiong River, which originates from qierexiang, flows through four townships (towns) of Sangsang, Kaga, qiuwo and Daju, with a length of 396 km; meiqu River, which flows through two townships of Yamu and Daju in the county, with a length of 108 km Km. In addition to the three main rivers, there are more than ten small rivers originating from Gangdese mountain in north-south direction in the north, all of which belong to inland rivers and flow into lakes.

climate

Strictly restricted by the climate of the Qinghai Tibet Plateau, the climate is dry and cold, with frost free period of 60-100 days. It can be divided into two major climatic zones: the southeast River Valley is relatively warm and windless, showing a semi-arid climate, with an annual average temperature of 4.5 ℃, the average temperature of the hottest month (July) is 12 ℃, and the annual rainfall is about 400mm; the northwest alpine zone is windy and cold, showing a semi-arid climate, with an annual average temperature below 4 ℃, and an annual rainfall of about 300mm. The vertical change of the climate in the southeast and northwest is relatively small Obviously. The precipitation in ANGREN county is concentrated from June to September, during which it is cloudy and rainy almost every day. In other months, it is dry with less rain and more sandstorm.