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气孔扩散计的设计校准与现场使用

Design calibration and field use of a stomatal diffusion porometer.

作者信息

Kanemasu E T, Thurtell G W, Tanner C B

机构信息

University of Wisconsin, Madison, Wisconsin 53706.

出版信息

Plant Physiol. 1969 Jun;44(6):881-5. doi: 10.1104/pp.44.6.881.

Abstract

Modifications of the design and calibration procedure of a diffusion porometer permit determinations of stomatal resistance which agree well with results obtained by leaf energy balance. The energy balance and the diffusion porometer measurements indicate that the boundary layer resistances of leaves in the field are substantially less than those predicted from heat transport formulas based on wind flow and leaf size.

摘要

扩散气孔计设计与校准程序的改进使得气孔阻力的测定结果与通过叶片能量平衡获得的结果高度吻合。能量平衡和扩散气孔计测量结果表明,田间叶片的边界层阻力远小于基于风流和叶片大小的热传输公式所预测的值。

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