Geographical Environment and Weather in Nyingchi

Influenced by the warm current of Indian Ocean and Pacific Ocean, special geographical environment is formed. Here are the general features of geographical environment and weather in Nyingchi.

General Features of Geographical Environment

Locates in the southwestern part of Tibet, Nyingchi prefecture connects with Qamdo prefecture and Nagqu prefecture to the east and north respectively, Lhasa and Shannan to the west and southeast respectively, India and Burma to the south. Himalayas and Nyainqentanglha Range are like two dragons stretch from the west to the east and joint with Hengduan Mountains in the east. The three mountain ranges lie in the west, north and east in Nyingchi. Topography is high in the north and low in the south. The low areas in the southeast face Indian Ocean and Pacific Ocean, and form a grand valley. Warm current of Indian Ocean and Pacific Ocean flows into the valley, which makes the special weather in Nyingchi prefecture. The deepest point of the valley is 5382 meters. The length is 490 kilometers, of which the steepest section is of 240 kilometers. The upper part of the valley is wide and the bottom is narrow and precipitous. Velocity of flow reaches 16 meters per second and quantity of flow reaches 4425 cubic meters per second. The river rushes through the boulders at the bottom of the river and its roar shocks the cliffs. In the valley, there are ice formed for thousands of years and boiling hot spring, trickle and plunging waterfall. From the bottom of the valley to the top of the mountains are vertical bands, which are all primeval forests contain abundant natural resources.

The landform undulation and altitude difference are large. The average altitude of the whole area is 3100 meters above the sea level. It is 646.7 kilometers form the east to the west and 353.2 kilometers from the north to the south.

General Features of the Weather in Nyingchi

It is of humid and sub-humid climate of tropical zone with annual rainfall of 650mm, average temperature of 8.7?, annual average sunshine time of 2022.2 hours and frostless season of 180 days.