干旱区生态环境知识资源中心(Arid): Quantifying plant transpiration and canopy conductance using eddy flux data: An underlying water use efficiency method

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DOI	10.1016/j.agrformet.2019.02.035
	Quantifying plant transpiration and canopy conductance using eddy flux data: An underlying water use efficiency method
	Bai, Yan 1,2; Li, Xiaoyan 1,2; Zhou, Sha 3; Yang, Xiaofan 1,2; Yu, Kailiang 4; Wang, Mengjie 5; Liu, Shaomin 1,2; Wang, Pei 1,2; Wu, Xiuchen 1,2; Wang, Xiaochen 1,2; Zhang, Cicheng 1,2; Shi, Fangzhong 1,2; Wang, Yang 1,2; Wu, Yinan 6
通讯作者	Li, Xiaoyan
来源期刊	AGRICULTURAL AND FOREST METEOROLOGY
ISSN	0168-1923
EISSN	1873-2240
出版年	2019
卷号	271 页码:375-384
英文摘要	Canopy conductance (G(c)) largely regulates carbon/water cycling and land-atmosphere interactions, but quantifying G(c) using eddy flux data is limited by the difficulty of partitioning plant transpiration (T) and surface evaporation (E). We introduced an underlying water use efficiency (uWUE) method to partition evapotranspiration (ET) in an oasis maize ecosystem, and cross-compared with the Shuttleworth and Wallace (SW) model, the lysimeter and isotope measurements. We then estimated surface conductance (G(s)) by ET and G(c) by T partitioned using the uWUE method, followed by a performance evaluation on the Jarvis model parameterized with both G(s) and G(c). The results showed that T/ET estimated by the uWUE method was close to the isotope method in the peak growing season of 2012, it showed similar seasonal variations with the lysimeter/eddy covariance method and the SW model throughout this growing season. Daily T partitioned by the uWUE method was in good agreement with the SW model from 2012 to 2015 (r(2) = 0.91). Additionally, G(c) had more significant seasonal variations than G(s). The Jarvis model parameterized with G(c) exhibited superior performance than those with G(s). Our study suggests that the uWUE method can exclude influences of nonstomatal conductances, and will have great potential to provide more reasonable parameterization for simulation of plant stomata.
英文关键词	Evapotranspiration Plant transpiration Shuttleworth and Wallace model Underlying water use efficiency Canopy conductance Surface conductance
类型	Article
语种	英语
国家	Peoples R China ; USA ; Switzerland
收录类别	SCI-E
WOS记录号	WOS:000468709200034
WOS关键词	NET ECOSYSTEM EXCHANGE ; ENERGY-BALANCE CLOSURE ; STOMATAL CONDUCTANCE ; PARTITIONING EVAPOTRANSPIRATION ; STABLE-ISOTOPES ; 2-SOURCE MODEL ; CARBON ; LEAF ; PHOTOSYNTHESIS ; COVARIANCE
WOS类目	Agronomy ; Forestry ; Meteorology & Atmospheric Sciences
WOS研究方向	Agriculture ; Forestry ; Meteorology & Atmospheric Sciences
来源机构	北京师范大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/213950
作者单位	1.Beijing Normal Univ, Fac Geog Sci, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China; 2.Beijing Normal Univ, Fac Geog Sci, Sch Nat Resources, Beijing 100875, Peoples R China; 3.Columbia Univ, Dept Earth & Environm Engn, New York, NY 10027 USA; 4.Swiss Fed Inst Technol, Inst Integrat Biol, CH-8092 Zurich, Switzerland; 5.Beijing Normal Univ, Fac Geog Sci, Beijing Key Lab Remote Sensing Environm & Digital, Beijing 100875, Peoples R China; 6.Minist Environm Protect, Environm Dev Ctr, Beijing 100029, Peoples R China
推荐引用方式 GB/T 7714	Bai, Yan,Li, Xiaoyan,Zhou, Sha,et al. Quantifying plant transpiration and canopy conductance using eddy flux data: An underlying water use efficiency method[J]. 北京师范大学,2019,271:375-384.
APA	Bai, Yan.,Li, Xiaoyan.,Zhou, Sha.,Yang, Xiaofan.,Yu, Kailiang.,...&Wu, Yinan.(2019).Quantifying plant transpiration and canopy conductance using eddy flux data: An underlying water use efficiency method.AGRICULTURAL AND FOREST METEOROLOGY,271,375-384.
MLA	Bai, Yan,et al."Quantifying plant transpiration and canopy conductance using eddy flux data: An underlying water use efficiency method".AGRICULTURAL AND FOREST METEOROLOGY 271(2019):375-384.