COUPLING OF TREE TRANSPIRATION TO ATMOSPHERIC-TURBULENCE

被引:40
作者
HOLLINGER, DY
KELLIHER, FM
SCHULZE, ED
KOSTNER, BMM
机构
[1] MANAAKI WHENUA LANDCARE RES, CHRISTCHURCH, NEW ZEALAND
[2] UNIV BAYREUTH, LEHRSTUHL PFLANZENOKOL, W-8580 BAYREUTH, GERMANY
关键词
D O I
10.1038/371060a0
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
UNDERSTANDING mass and energy exchange between vegetation and the atmosphere is essential for determining the future state of the climate system(1,2) and responses of plant communities. Plant water use is at present described by steady-state transport models(3,4), even though transport in the boundary layer is turbulent(5,6). This is especially true for forests, where the canopy air space is a chaotic environment where large turbulent events alternate with smaller-scale mixing(3,4,7). Here we demonstrate that the turbulent nature of the atmosphere affects plant processes. We propose that the dynamic nature of plant-atmosphere coupling represents a previously unrecognized feedback that influences plant water use and transport.
引用
收藏
页码:60 / 62
页数:3
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