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中文摘要: 本文采用自制的热线微风仪在小麦冠层中观测到的风速梯度资料,对植被内部的风速廓线分布规律及湍流交换特性生进行了研究。结果表明:植被内部风速分布及湍流交换系数较好地符合指数律分布。指数形式为:u(z)=u(H)exp[α1(z/H)-1)],Km(Z)=Km(H)exp[α2(z/H)-1]。α1,α2值并与其他学者所得结果进行了比较。
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Abstract:In this paper, the characteristics of mean wind profiles and meanturbulent diffusivity profiles within the wheat field are calculated anddiscussed". The results show that mean wind profiles and mean turbulentdiffusivity profiles within the wheat field can be represented by an exponential function as follows.u(z)=u(H)exp[α1(z/H)-1)],Km(Z)=Km(H)exp[α2(z/H)-1]。α1,α2The results of a1, a2 are compared with that of another authors.
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引用文本:
刘树华,1990.植被内部的风速分布规律和湍流交换特性[J].气象,16(3):8-12.
,1990.Mean wind profiles and turbulent diffusivity profiles within a wheat canopy[J].Meteor Mon,16(3):8-12.
刘树华,1990.植被内部的风速分布规律和湍流交换特性[J].气象,16(3):8-12.
,1990.Mean wind profiles and turbulent diffusivity profiles within a wheat canopy[J].Meteor Mon,16(3):8-12.