The climate in Qamdo is characterized by cold. Due to the influence of the north-south parallel canyon and the geographical location in the middle and low latitudes, it has the characteristics of obvious vertical distribution and great regional differences. Sufficient sunshine and strong solar radiation; Large daily temperature difference and small annual temperature difference; The rainfall is concentrated, the seasonal distribution is uneven, the evaporation is large and the relative humidity is small.
Geomorphological characteristics of extended data:
The overall terrain of Changdu is high in the northwest and low in the southeast, with the highest elevation of 5460 meters, the lowest elevation of about 3 100 meters, and the average elevation of more than 3500 meters. Many peaks stand above the snow line, among which the main peak of Nyainqentanglha Mountain is as high as 765,438+065,438+065,438+0 meters, which is covered with snow and ice. The mountains in the northwest of Qamdo are relatively complete, and the watershed area preserves the vast plateau surface.
The mountains in the southeast are cut into scattered patterns. The valley gradually deepens from north to south, with rows of ridges and valleys. The valley is deep and has only sporadic plateau surfaces. The plateau is mainly distributed in the northern part of Taniantaon Mountain and Quiet Mountain, with an altitude of more than 4,000-4,500 meters. In the south of 30 north latitude, it is a typical alpine canyon area, and the river bottom is 2500-3500 meters above sea level.
Baidu Encyclopedia-Changdu