采用中子水分仪、负压计和电子测温器同步测定腾格里沙漠邓马营湖包气带０～４２５ｃｍ范围内不同深度含水量、基质势和温度，确立有关的水热特征参数。基于Ｐｈｉｌｉｐ、ＤｅＶｒｉｅｓ提出的土壤内水热运动理论，建立并解算了该包气带水、汽、热运动的耦合模型，并对不同气象条件下沙漠包气带水热状况进行数值模拟和预报，其结果反映了沙漠包气带含水量变化及温度分布特征。 The neutron moisture meter, negative pressure gauge and electronic thermometer were used to measure the water depth, matrix potential and temperature at different depths of 0 ~ 425cm in Dengmaying Lake in Tengger Desert, and establish the relevant hydrothermal parameters. Based on the theory of hydrothermal motion in soil proposed by Philip and DeVries, a coupled model of water, gas and thermal movement in the aeration zone is established and solved. The hydrothermal conditions in the desert aeolian zone under different meteorological conditions are numerically simulated and predicted The results reflect the changes of the moisture content in the aeration zone and the temperature distribution.