Arid
DOI10.1016/j.jhydrol.2016.04.042
Evapotranspiration partitioning, stomatal conductance, and components of the water balance: A special case of a desert ecosystem in China
Zhao, Wenzhi1; Liu, Bing1; Chang, Xuexiang1; Yang, Qiyue1; Yang, Yuting2; Liu, Zhiling3; Cleverly, James4; Eamus, Derek4
通讯作者Zhao, Wenzhi ; Liu, Bing
来源期刊JOURNAL OF HYDROLOGY
ISSN0022-1694
EISSN1879-2707
出版年2016
卷号538页码:374-386
英文摘要

Partitioning evapotranspiration (ET) into its components reveals details of the processes that underlie ecosystem hydrologic budgets and their feedback to the water cycle. We measured rates of actual evapotranspiration (ETa), canopy transpiration (T-c), soil evaporation (E-g), canopy-intercepted precipitation (E-l), and patterns of stomatal conductance of the desert shrub Calligonum mongolicum in northern China to determine the water balance of this ecosystem. The ETa was 251 +/- 8 mm during the growing period, while E-l, T-c and E-g accounted for 3.2%, 63.9%, and 31.3%, respectively, of total water use (256 +/- 4 mm) during the growing period. In this unique ecosystem, groundwater was the main water source for plant transpiration and soil evaporation, T-c and exceeded 60% of the total annual water used by desert plants. ET was not sensitive to air temperature in this unique desert ecosystem. Partitioning ET into its components improves our understanding of the mechanisms that underlie adaptation of desert shrubs, especially the role of stomatal regulation of Tc as a determinant of ecosystem water balance. (C) 2016 Elsevier B.V. All rights reserved.


英文关键词Evapotranspiration Ecosystem water balance Canopy transpiration Soil evaporation Stomatal conductance
类型Article
语种英语
国家Peoples R China ; Australia
收录类别SCI-E
WOS记录号WOS:000378360600032
WOS关键词VAPOR-PRESSURE DEFICIT ; SURFACE-ENERGY BUDGET ; SAP FLOW ; ENVIRONMENTAL CONTROLS ; HYDRAULIC CONDUCTANCE ; CANOPY TRANSPIRATION ; SHRUBLAND ECOSYSTEMS ; SEMIARID GRASSLAND ; CARBON-DIOXIDE ; ARID REGION
WOS类目Engineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向Engineering ; Geology ; Water Resources
来源机构中国科学院西北生态环境资源研究院 ; Commonwealth Scientific and Industrial Research Organisation
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/194517
作者单位1.Chinese Acad Sci, Linze Inland River Basin Res Stn, Lab Heihe River Ecohydrol & Basin Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China;
2.CSIRO Land & Water, Canberra, ACT, Australia;
3.China Univ Geosci, Sch Publ Adm, Wuhan 430074, Peoples R China;
4.Univ Technol Sydney, Sch Environm, Sydney, NSW 2007, Australia
推荐引用方式
GB/T 7714
Zhao, Wenzhi,Liu, Bing,Chang, Xuexiang,et al. Evapotranspiration partitioning, stomatal conductance, and components of the water balance: A special case of a desert ecosystem in China[J]. 中国科学院西北生态环境资源研究院, Commonwealth Scientific and Industrial Research Organisation,2016,538:374-386.
APA Zhao, Wenzhi.,Liu, Bing.,Chang, Xuexiang.,Yang, Qiyue.,Yang, Yuting.,...&Eamus, Derek.(2016).Evapotranspiration partitioning, stomatal conductance, and components of the water balance: A special case of a desert ecosystem in China.JOURNAL OF HYDROLOGY,538,374-386.
MLA Zhao, Wenzhi,et al."Evapotranspiration partitioning, stomatal conductance, and components of the water balance: A special case of a desert ecosystem in China".JOURNAL OF HYDROLOGY 538(2016):374-386.
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