灌溉能够降低近地面的湍流交换系数和湍流热通量，提高潜热通量，而秸秆覆盖的作用相反。秸秆覆盖具有增强灌溉水入渗能力的作用。
The turbulent coefficient and turbulent flux was decreased and the latent heat flux was increased by irrigation and vice versa by straw mulching.
结果表明，本模式能合理地模拟不同地表热量平衡、地表气温、混合层高度、湍流交换系数、湍流动能、位温廓线等，以及它们的日变化。
The result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day.
这将为波动特性的动量交换系数及积分时间和长尺度提供新的信息，这些湍流特性不应被视为不变的。
The findings bring new lights in the fluctuating nature of momentum exchange coefficients and integral time and length scales. These turbulent properties should not be assumed constant.
文中还对湍流热量交换系数、湍流动量交换系数与理查孙数的日变化关系进行了讨论。
Finally, the relationship between the turbulent heat and momentum exchange coefficient and the diurnal variation of the Richardson number is discussed.
文中还对湍流热量交换系数、湍流动量交换系数与理查孙数的日变化关系进行了讨论。
Finally, the relationship between the turbulent heat and momentum exchange coefficient and the diurnal variation of the Richardson number is discussed.
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