Based on the turbulent data collected in the upper reach of Shule River from May to September in 2011, the variations of turbulent statistic parameters and the energy exchange near surface were analyzed. The results show that the standard deviations of 3D wind speed are satisfied Monin-Obukov Similarity Theory. In the nearly neutral condition, the standard deviations of 3D wind speed in the surface layer, i.e., alpine meadows is a constant (σu/u*=3.40, σv/u*=3.08, σw/u*=0.96). By forcing the usual OLS regression straight line through the origin, OLS regression slopes from May to September are respectively 0.76, 0.72, 0.75, 0.73 and 0.73, the mean energy balance ratio (EBR) in every month are 0.90, 0.85, 0.86, 0.88 and 0.93. The EBR in daytime is larger than that at nighttime. EBR changes remarkably at dawn and sunset. In the growing season, net radiation consumes largest part of latent heat, namely, evaporation, then heat exchange between the biosphere and atmosphere, lastly, surface heat flux.
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