摘要
应用ＮＣＡＲＣＣＭ２气候模式就青藏高原春季积雪对大气环流的影响进行了模拟研究．结果表明，青藏高原春季积雪对大气环流有很大的影响．它增大了高原地区的地面反照率，减少了地面吸收的短波辐射、地气界面处的感热和潜热通量；从而引起高原及其附近地区温度场、气压场、风场、散度场以及降水量及其分布的一系列变化．
A simulation study for the influence of Tibetan plateau snow cover in spring on the general circulation is carried out by using the NCAR CCM2. It is found that there was great influence of Tibetan snow cover on the general circulation, which increased the surface albedo of the Plateau; and reduced the solar radiation received at the surface, and reduced the sensible and latent heat fluxes at the atmosphere land interface. These further caused the changes in temperature, pressure, wind, divergence fields and precipitation of the Plateau and the areas nearby.
出处
《应用气象学报》
CSCD
北大核心
1997年第A00期100-109,共10页
Journal of Applied Meteorological Science
基金
国家攀登项目B"青藏高原地气物理过程对东亚灾害性天气气候影响的研究"课题
