Weather in Hainan Prefecture, Qinghai Province

Huangnan Tibetan Autonomous Prefecture is located in the southeast of Qinghai Province, with the first bend of the Jiuqu Yellow River. It borders Xiahe County, luqu County and Maqu County of Gannan Tibetan Autonomous Prefecture in Gansu Province in the southeast and Maqin County of Guoluo Prefecture in this province in the northwest, and borders Tongde County, Guide County of Hainan Prefecture and Hualong and Xunhua County of Haidong Prefecture in the northwest. Long Zhen Wu, where the state capital is located, is 0/82km away from Xining/KLOC, the provincial capital. The total area of Quanzhou is 1.88 million square kilometers, accounting for 2.63% of the area of Qinghai Province.

The topography of the Autonomous Prefecture is high in the south and low in the north. Zeku and Henan counties in the south belong to Qingnan pastoral area, with an altitude of more than 3,500 meters and a cold climate, which are the main bases for the development of animal husbandry in Autonomous Prefecture. There are two counties in the north: Jianzha and Tongren, with an altitude of1900-4118m.

The climate of Huangnan Prefecture belongs to plateau continental climate. Its climatic characteristics: rain and heat are in the same season, and the difference between dry and wet seasons is obvious; Insufficient heat, short frost-free period, large precipitation variability and uneven distribution in time and space; Long illumination time and strong solar radiation; The cold season is long, dry and cold, and the warm season is short and humid; The weather is terrible. From 20065438+0 to 2005, the temperature in Huangnan area was high, with little interannual change, and the temperature in the north gradually decreased slightly, with an annual average temperature of 6.6℃ ~ 8.5℃. The temperature in the south is relatively high, with an annual average temperature of -0.9℃ ~ 0.3℃. The annual average temperature in Quanzhou is -0.9℃ ~ 8.5℃. The spatial and temporal distribution of precipitation is uneven, with great interannual variation and gradually increasing trend. Compared with the precipitation values over the years, the five-year average precipitation in Jianzha and Henan is slightly less, while that in Tongren and Zeku is slightly more. The average precipitation in five years is 308.4 mm in Jianzha County and 549.4 mm in Henan County. Tongren county is 409. 1mm, and zeku county is 492.4 mm. The annual average precipitation in the whole state is 329.0 ~ 505.0 mm The sunshine hours in the whole state are 2506. 1 ~ 2688.2 hours. Frost-free period 14 ~ 173 days, in which the northern warm zone 147 ~ 173 days; Southern low temperature zone 14 ~ 2 1 day. The annual evaporation is1231.6 ~1697.0mm. ..