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Modeling evapotranspiration by combing a two-source model, a leaf stomatal model, and a light-use efficiency model
Hu, Zhongmin1; Li, Shenggong1; Yu, Guirui1; Sun, Xiaomin1; Zhang, Leiming1; Han, Shijie2; Li, Yingnian3
2013-09-25
发表期刊JOURNAL OF HYDROLOGY
ISSN0022-1694
卷号501页码:186-192
文章类型Article
摘要Modeling and partitioning ecosystem evapotranspiration (ET) are important in predicting the responses of ecosystem water cycles to global climate change and land use. By incorporating the Ball-Berry stomatal conductance model and a light use efficiency-based gross primary productivity (GPP) model into the Shuttleworth-Wallace model, we developed a new model, SWH, for estimating ET with meteorological data and remote sensing products. Since the new model solved the problem of estimating canopy stomatal conductance, it can be used at sites equipped with meteorological observation systems around the world. Compared with eddy covariance measurements, the SWH model demonstrated satisfactory estimates of ET at a temperate forest and an alpine grassland. Eight meteorological variables and two remote sensing products (i.e., leaf area index, LAI, and enhanced vegetation index, EVI or normalized difference vegetation index, NDVI, or fraction of photosynthetically active radiation, FPAR) are required in our model. This will facilitate estimates of ET and its components, and further elucidate the mechanisms underlying their variations at regional scale. In addition, our model estimates ET and GPP simultaneously, making it convenient to address the coupling of these two key fluxes in terrestrial ecosystems. (C) 2013 Elsevier B.V. All rights reserved.
关键词Evapotranspiration Canopy Stomatal Conductance Shuttleworth-wallace Model Ball-berry Model Remote Sensing Swh Model
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1016/j.jhydrol.2013.08.006
关键词[WOS]GROSS PRIMARY PRODUCTION ; WATER-USE EFFICIENCY ; REMOTELY-SENSED DATA ; SHUTTLEWORTH-WALLACE ; ECOSYSTEM ; MODIS ; PHOTOSYNTHESIS ; TRANSPIRATION ; EVAPORATION ; VEGETATION
收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China(40971027) ; National Key Research and Development Program(2010CB833501 ; 2010CB950603)
WOS研究方向Engineering ; Geology ; Water Resources
WOS类目Engineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS记录号WOS:000325388300017
出版者ELSEVIER SCIENCE BV
引用统计
被引频次:57[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/3925
专题中国科学院西北高原生物研究所
通讯作者Li, Shenggong
作者单位1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Synth Res Ctr Chinese Ecosyst Res Network, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Inst Appl Ecol, Shenyang 110016, Liaoning, Peoples R China
3.Chinese Acad Sci, Northwest Inst Plateau Biol, Xining 810001, Peoples R China
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Hu, Zhongmin,Li, Shenggong,Yu, Guirui,et al. Modeling evapotranspiration by combing a two-source model, a leaf stomatal model, and a light-use efficiency model[J]. JOURNAL OF HYDROLOGY,2013,501:186-192.
APA Hu, Zhongmin.,Li, Shenggong.,Yu, Guirui.,Sun, Xiaomin.,Zhang, Leiming.,...&Li, Yingnian.(2013).Modeling evapotranspiration by combing a two-source model, a leaf stomatal model, and a light-use efficiency model.JOURNAL OF HYDROLOGY,501,186-192.
MLA Hu, Zhongmin,et al."Modeling evapotranspiration by combing a two-source model, a leaf stomatal model, and a light-use efficiency model".JOURNAL OF HYDROLOGY 501(2013):186-192.
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