A comprehensive field experiment of land-atmosphere interactions over Badan Jaran Desert in summer of 2009 was introduced. Some micrometeorological characteristics in the Surface Layer were analysed by using the preliminary data. The results show that: (1) For a summer fine weather, the Bowen ratio values in desert are more than that in desert lake region, and the latent heat is bigger in desert lake. As to the momentum flux, it is controlled mainly by wind shear in desert lake region but by atmospheric thermal stability in desert area. (2) In the desert, the turbulence intensity decreases significantly with increasing of wind speed under unstable conditions, on the other hand, it increases with decreasing of atmospheric stability when the wind speed is constant. In the desert lake region, the trend is similar to that, but not so significant. (3) As to the energy budget, and the energy imbalance is large in the observation in the desert, but the energy closure rate will increase significantly in the morning after the soil heat storage is considered, which shows that the energy storage in the shallow soil layer is very important to the imbalanced energy flux. (4) In the desert lake region, there is a typical secondary circulation that the downdraft prevails in daytime and the updraft in night.
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