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一、青海省的气候特点青海省位于欧亚大陆中心,深居内陆,山岭环抱,除东南角河湟谷地略呈海洋性气流余泽外,其余均属干燥寒冷,气温剧变的高原大陆性气候。具体表现为: (一)日照时间长辐射强我省全年日照时数在2250～3600小时之间,自东向西北递增。尤以柴达木盆地日照最充足,大部分地区在三千小时以上。年日照百分率达51～81％;年总辐射量在139～177千卡/cm~2之间,较同纬度的华北平原、黄土高原高出10～40千卡/cm~2仅次于西藏高原,居全国第二位。 (二)地区气温差异大垂直变化明显
First, the climate characteristics of Qinghai Province Qinghai Province is located in the center of Eurasia, deep inland, surrounded by mountains, in addition to the southeastern corner of the Houttuynia slightly ocean flow Yuze, the rest are dry and cold, dramatic temperature continental plateau climate. Specific performance: (a) a long sunshine time strong sunshine hours in our province throughout the year 2250 ~ 3600 hours, increasing from east to northwest. Especially in the Qaidam basin sunshine the most adequate, most of the area more than 3000 hours. The annual percentage of sunshine reaches 51-81%; the annual total radiation dose is between 139- 177 kcal / cm ~ 2, which is 10 ~ 40 kcal / cm ~ 2 higher than that of the North China Plain and Loess Plateau at the same latitude Plateau, ranking second in the country. (B) large temperature changes in the region obvious