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Assessing the ability of potential evapotranspiration models in capturing dynamics of evaporative demand across various biomes and climatic regimes with ChinaFLUX measurements
Zheng, Han1,2; Yu, Guirui2,7; Wang, Qiufeng2,7; Zhu, Xianjin1,3; Yan, Junhua4; Wang, Huimin2; Shi, Peili2; Zhao, Fenghua2; Li, Yingnian5; Zhao, Liang5; Zhang, Junhui6; Wang, Yanfen7
2017-08-01
发表期刊JOURNAL OF HYDROLOGY
ISSN0022-1694
卷号551页码:70-80
文章类型Article
摘要Estimates of atmospheric evaporative demand have been widely required for a variety of hydrological analyses, with potential evapotranspiration (PET) being an important measure representing evaporative demand of actual vegetated surfaces under given metrological conditions. In this study, we assessed the ability of various PET models in capturing long-term (typically 2003-2011) dynamics of evaporative demand at eight ecosystems across various biomes and climatic regimes in China. Prior to assessing PET dynamics, we first examined the reasonability of fourteen PET models in representing the magnitudes of evaporative demand using eddy-covariance actual evapotranspiration (AET) as an indicator. Results showed that the robustness of the fourteen PET models differed somewhat across the sites, and only three PET models could produce reasonable magnitudes of evaporative demand (i.e., PET >= AET on average) for all eight sites, including the: (i) Penman; (ii) Priestly-Taylor and (iii) Linacre models. Then, we assessed the ability of these three PET models in capturing dynamics of evaporative demand by comparing the annual and seasonal trends in PET against the equivalent trends in AET and precipitation (P) for particular sites. Results indicated that nearly all the three PET models could faithfully reproduce the dynamics in evaporative demand for the energy-limited conditions at both annual and seasonal scales, while only the Penman and Linacre models could represent dynamics in evaporative demand for the water-limited conditions. However, the Linacre model was unable to reproduce the seasonal switches between water- and energy-limited states for some sites. Our findings demonstrated that the choice of PET models would be essential for the evaporative demand analyses and other related hydrological analyses at different temporal and spatial scales. (C) 2017 Elsevier B.V. All rights reserved.
关键词Evaporative Demand Potential Evapotranspiration Actual Evapotranspiration Penman Priestly-taylor Linacre
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1016/j.jhydrol.2017.05.056
关键词[WOS]WATER-USE EFFICIENCY ; SURFACE WIND SPEEDS ; CALCULATING EVAPORATION ; ECOSYSTEM RESPIRATION ; PAN EVAPORATION ; UNITED-STATES ; EXCHANGE ; TRENDS ; FOREST ; FLUX
收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China(31290221 ; National Key Research and Development Program of China(2016YFA0600104 ; 31420103917) ; 2016YFA0600103)
WOS研究方向Engineering ; Geology ; Water Resources
WOS类目Engineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS记录号WOS:000407538800007
出版者ELSEVIER SCIENCE BV
引用统计
被引频次:21[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/363003/9799
专题中国科学院西北高原生物研究所
通讯作者Yu, Guirui
作者单位1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
3.Shenyang Agr Univ, Coll Agron, Shenyang 110161, Liaoning, Peoples R China
4.Chinese Acad Sci, South China Bot Garden, Guangzhou 510650, Guangdong, Peoples R China
5.Chinese Acad Sci, Northwest Inst Plateau Biol, Xining 810001, Qinghai, Peoples R China
6.Chinese Acad Sci, Inst Appl Ecol, Shenyang 110016, Liaoning, Peoples R China
7.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
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Zheng, Han,Yu, Guirui,Wang, Qiufeng,et al. Assessing the ability of potential evapotranspiration models in capturing dynamics of evaporative demand across various biomes and climatic regimes with ChinaFLUX measurements[J]. JOURNAL OF HYDROLOGY,2017,551:70-80.
APA Zheng, Han.,Yu, Guirui.,Wang, Qiufeng.,Zhu, Xianjin.,Yan, Junhua.,...&Wang, Yanfen.(2017).Assessing the ability of potential evapotranspiration models in capturing dynamics of evaporative demand across various biomes and climatic regimes with ChinaFLUX measurements.JOURNAL OF HYDROLOGY,551,70-80.
MLA Zheng, Han,et al."Assessing the ability of potential evapotranspiration models in capturing dynamics of evaporative demand across various biomes and climatic regimes with ChinaFLUX measurements".JOURNAL OF HYDROLOGY 551(2017):70-80.
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