Climatic characteristics of Qinghai province

First, the climate characteristics of Qinghai Province are:

Qinghai belongs to the plateau continental climate, which has the characteristics of low temperature, large temperature difference between day and night, less and concentrated rainfall, long sunshine and strong solar radiation. Winter is cold and long, and summer is cool and short. The climate in different areas is obviously different. The average annual temperature in the eastern Huangshui River Basin is 2 ~ 9℃, the frost-free period is 100 ~ 200 days, and the annual rainfall is 250 ~ 550 mm, mainly from July to September. The heat and moisture conditions can meet the requirements of monoculture. The average annual temperature in Qaidam basin is 2 ~ 5℃, and the annual rainfall is nearly 200 mm, which lasts for more than 3000 hours. The temperature in the mountainous areas in the northeast and the south of Qinghai Plateau is relatively low, and the annual rainfall is generally 100 ~ 500mm, except for the Qilian Mountain, Altun Mountain and Heyuan Xishan District. Qinghai is located in the mid-latitude zone, with strong solar radiation intensity and long illumination time. The annual total radiation can reach 690.8 ~ 753.6 kJ/cm2, and the direct radiation accounts for more than 60% of the radiation. The annual absolute value exceeds 4 18.68 kJ, ranking second in the country after Tibet.

There are many meteorological disasters in Qinghai province, mainly drought and hail. Frost, snowstorm and gale.

Two. Brief introduction of Qinghai province:

Qinghai, located in the west of China, is located in the northeast of Qinghai-Tibet Plateau, the roof of the world. It is one of the important provinces on the Qinghai-Tibet Plateau in China, referred to as Qinghai for short, and its capital is Xining. According to the second national land survey bulletin, Qinghai Province is about 1.200 km long from east to west and 800 km wide from north to south, covering an area of 7265438+ 10,000 square kilometers.

The territory is high in mountains, diverse in topography and dotted with rivers and lakes. Kunlun Mountain runs through the middle, Tanggula Mountain stands in the south, Qilian Mountain stands in the north, the vast grassland is rolling, and the Qaidam Basin is endless. The source of the Yangtze River and the Yellow River is in Qinghai, and the largest inland plateau saltwater lake in China is also in Qinghai, hence the name "Qinghai".

Qinghai borders Gansu, Sichuan, Tibet and Xinjiang, and has jurisdiction over two prefecture-level cities, namely Xining and Haidong, and six ethnic autonomous prefectures, including Yushu Tibetan Autonomous Prefecture, Haixi Prefecture, Haibei Prefecture, Hainan Prefecture, Huangnan Prefecture and Guoluo Prefecture, and 48 county-level administrative units. Qinghai Province has 43 ethnic minorities, including Tibetans, Hui, Mongolians, Tu and Salars, with a population of 5,777,900 (20 12).