植被群落之间水流紊动强度垂向分布规律探讨

Water Power(2010)

Cited 2|Views5
No score
Abstract
以生态特征参数不同的植被群落为研究对象,在室内水槽中种植灌木、芦苇和灌术一草本植被混合群落,利用多普勒流速仪沿程测量各测点瞬时流速,基于河流动力学和紊流力学理论,将水流紊动强度表达为植被直径、水流绕流阻力因数、植被直径梯度和水流绕流阻力因数梯度的函数,比较不同类型植被群落之间水流紊动强度垂向分布规律的差异.结果表明,灌木完全淹没时,紊动强度在垂向上最大值位于灌木冠层顶端区域,极小值位于茎杆向冠层过渡区域.植被群落水流紊动强度垂向分布曲线上存在三个拐点,即茎杆向冠层过渡处、植被偏转点和植被冠层顶端.
More
Translated text
Key words
vertical distribution of turbulence intensity,vegetation ecological characteristics,vegetation community
AI Read Science
Must-Reading Tree
Example
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined