平均土壤热通量为- 1。
较大土壤热通量对应于较低的土壤水含量。
Higher soil heat flux correspond to lower soil water content.
土壤热通量密度的比例只占净辐射的5%左右。
土壤热通量在地表能量交换中扮演着重要角色，干旱半干旱区土壤热通量更加重要。
Soil heat flux plays an important role in energy flux exchange between land and atmosphere, especially in arid and semi-arid region.
热量平衡的各分量中，潜热通量占净辐射的比值最大，湍流热通量和土壤热通量均较小。
Among all component values of heat balance, the latent heat flux occupies the highest proportion from net radiation, both turbulence heat flux and soil heat flux occupy lower.
对于土质均匀的砂质土壤，其土壤热通量日变化振幅最大，土壤的垂直热量交换最剧烈。
For homogeneous sandy loam soil, the diurnal variation amplitude of soil heat flux is very large, indicating the vertical heat exchanged is very strong.
在晴天和阴天大气向土壤的能量传输均维持在净辐射的5%左右，雨天时，土壤热通量为负值。
Soil heat flux from atmosphere to soil is about 5% of net radiation on a clear and cloudy day and soil discharge energy to atmosphere on a rainy day above the same field.
在坨甸相间地区生态系统的热量平衡中，占比例大的是潜热通量，其次为感热通量和土壤热通量。
In the heat balance of ecological system in dune alternated with wetland area, the latent heat flux takes the most share, in the next place is sensible heat flux and soil heat flux.
在绿洲荒漠过渡区生态系统的热量平衡中，占比例最大的是潜热通量，其次为感热通量和土壤热通量。
The biggest proportion in the heat balance is the potential heat flux, followed by sensible heat flux and soil heat flux.
对土壤热通量的参数化方法和拖曳系数的取值问题进行了讨论，更完善的方法还有待于与实验测量工作相结合。
The parameterization for the soil heat flux and the surface drag coefficient are discussed, and the more perfect method needs to combine further with measure experiments.
这表明森林通过降低地表反射率和表面温度，不仅增加地表净辐射，而且减少其用于感热和土壤热通量的消耗。
It is showed that the forest can not only increase net radiation but also decrease sensible and soil heat fluxes by decreasing surface reflectance and temperature.
在黄土高原半干旱地区：白天，潜热通量在净辐射通量的分配中所占的份额最大，其次为感热通量，土壤热通量最小。
In loess plateau, at the daytime, the net radiation contributes mainly to the latent heat flux, the sensible heat flux is minor and the soil heat flux is least.
以微气候观测为基础，研究晴天状况下海北高寒草甸地区净辐射通量、土壤热通量、感热通量和潜热通量变化等特征。
Based on a microclimate observation, a study, on fine days, of the net radiation flux, soil heat flux, sensible heat flux, and latent heat flux on the alpine meadows of Haibei Area was conducted.
结合辐射和土壤热通量观测资料揭示了两站的地面热量平衡状况，用地面热量平衡方程对以上结果进行了闭合误差检验。
The surface heat balance is discussed by involving the observational data of radiation and soil heat transfer, and the closed test of the surface heat balance equation is made.
随着叶面积指数（LAI）的增加，土壤热通量与净辐射之比，由返青初期的0．13迅速下降，直至较为稳定的0．06。
The experiments identify that with the increasing of LAI , the ratio of soil heat flux to net radiation decreases from 0 13 in the jointing to 0 06 in the milking.
对比结果表明： （1）当模式低估净辐射0.2%时， 模式分别高估感热、潜热和土壤热通量4%、 13%和8%；
Results show that: (1) SiB2 overestimated sensible, latent, and soil heat fluxes by 4%, 13%, and 8% respectively when it underestimated net radiation by 0.2%;
结果表明：晴天大气向土壤传递热量，阴天和雨天土壤释放的热量大于获得的热量。另外还分析了土壤热通量季节和年变化特征。
The results show that the soil accepted heat from the air on clear day, on the contrary, the output heat of soil exceeded the input on cloudy and rainy day.
结果表明：晴天大气向土壤传递热量，阴天和雨天土壤释放的热量大于获得的热量。另外还分析了土壤热通量季节和年变化特征。
The results show that the soil accepted heat from the air on clear day, on the contrary, the output heat of soil exceeded the input on cloudy and rainy day.
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