The impacts of the air permeability, the air-filled effective porosity, the depth of the layer, and the amplitude of the barometric fluctuations on the subsoil airflow were analyzed quantitatively.

• 讨论了土壤孔隙度，土层厚度，空气渗透系数，以及大气压波动的波幅等参数对地表呼吸量的影响。