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Eddy covariance measurement-based differences in annual evapotranspiration between forests and grasslands in China

文献类型：期刊论文

作者Fan, Renxue2; Sun, Mingyu4; Zhu, Xianjin1,2; Wang, Qiufeng1,3
刊名FRONTIERS IN PLANT SCIENCE
出版日期2022-11-25
卷号13页码:11
ISSN号1664-462X
关键词evapotranspiration eddy covariance spatial variability climate change vegetation area
DOI10.3389/fpls.2022.1030929
通讯作者Zhu, Xianjin(xianjin1985@163.com) ; Wang, Qiufeng(qfwang@igsnrr.ac.cn)
英文摘要Annual evapotranspiration (AET), the total water vapor loss to the atmosphere during a year, is a vital process of global water cycles and energy cycles. Revealing the differences in AET values and spatial variations between forests and grasslands would benefit for understanding AET spatial variations, which serves as a basis for regional water management. Based on published eddy covariance measurements in China, we collected AET values from 29 forests and 46 grasslands, and analyzed the differences in AET values and spatial variations between forests and grasslands in China. The results showed that forests had a significant higher AET (645.98 +/- 232.73 kgH(2)O m(-2) yr(-1)) than grasslands (359.31 +/- 156.02 kgH(2)O m(-2) yr(-1)), while the difference in AET values between forests and grasslands was not significant after controlling mean annual precipitation (MAP) relating factors. The effects of latitude and mean annual air temperature (MAT) on AET spatial variations differed between forests and grassland, while AET of forests and grasslands both exhibited increasing trends with similar rates along the increasing MAP, aridity index (AI), soil water content (SW), and leaf area index. The comprehensive effects of multiple factors on AET spatial variations differed between forests and grasslands, while MAP both played a dominating role. The effects of other factors were achieved through their close correlations with MAP. Therefore, forests and grasslands under similar climate had comparable AET values. AET responses to MAP were comparable between ecosystem types. Our findings provided a data basis for understanding AET spatial variation over terrestrial ecosystems of China or globally.
WOS关键词WATER-USE EFFICIENCY ; TERRESTRIAL ECOSYSTEMS ; SPATIAL VARIATION ; CARBON FLUXES ; NET-RADIATION ; CLIMATE ; SOIL ; PROGRESS ; DATASET ; FUTURE
资助项目CAS Strategic Priority Research Program ; National Natural Science Foundation of China ; Special Foundation for National Science and Technology Basic Research Program of China ; [XDA19020302] ; [32071585] ; [32071586] ; [31500390] ; [2019FY101303-2]
WOS研究方向Plant Sciences
语种英语
出版者FRONTIERS MEDIA SA
WOS记录号WOS:000894301200001
资助机构CAS Strategic Priority Research Program ; National Natural Science Foundation of China ; Special Foundation for National Science and Technology Basic Research Program of China
源URL[http://ir.igsnrr.ac.cn/handle/311030/187880]  
专题中国科学院地理科学与资源研究所
通讯作者Zhu, Xianjin; Wang, Qiufeng
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, Peoples R China
2.Shenyang Agr Univ, Coll Agron, Shenyang, Peoples R China
3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China
4.Tianjin Univ, Sch Earth Syst Sci, Tianjin, Peoples R China
推荐引用方式
GB/T 7714		 Fan, Renxue,Sun, Mingyu,Zhu, Xianjin,et al. Eddy covariance measurement-based differences in annual evapotranspiration between forests and grasslands in China[J]. FRONTIERS IN PLANT SCIENCE,2022,13:11.
APA Fan, Renxue,Sun, Mingyu,Zhu, Xianjin,&Wang, Qiufeng.(2022).Eddy covariance measurement-based differences in annual evapotranspiration between forests and grasslands in China.FRONTIERS IN PLANT SCIENCE,13,11.
MLA Fan, Renxue,et al."Eddy covariance measurement-based differences in annual evapotranspiration between forests and grasslands in China".FRONTIERS IN PLANT SCIENCE 13(2022):11.

入库方式： OAI收割

来源：地理科学与资源研究所

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