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Changes in the Shadow: The Shifting Role of Shaded Leaves in Global Carbon and Water Cycles Under Climate Change
He, Liming1; Chen, Jing M.1; Gonsamo, Alemu1; Luo, Xiangzhong2; Wang, Rong1; Liu, Yang3; Liu, Ronggao3
2018-05-28
Source PublicationGEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
Volume45Issue:10Pages:5052-5061
Corresponding AuthorHe, Liming(liming.he@utoronto.ca)
AbstractGlobally shaded leaves contribute to more than a half of the total increase in gross primary production (GPP; 7.6Pg C) for 1982-2016. During 1982-2016, the fraction of shaded GPP increases by 1.1% (p<0.01) in tropical forests and decreases by 1.4% (p<0.01) and 1.8% (p<0.01) in evergreen needleleaf and deciduous needleleaf boreal forests, respectively, suggesting an ecological niche of certain canopy structure for ecosystems to achieve maximum GPP. Unlike transpiration from sunlit leaves that has a turning point in the trend in 2003, global transpiration from shaded leaves steadily increased at the rate of 34 km(3)/year (p<0.0001) during 1982-2016. Our study therefore suggests that shaded leaves have an increasing role in buffering the adverse impact of climate change and extremes. Further studies are still needed to reduce the uncertainties in reported trends arisen from climate forcing data, leaf area index, and land cover and land change products.
Keywordclimate change global warming carbon cycle evapotranspiration shaded leaves trend
DOI10.1029/2018GL077560
WOS KeywordGROSS PRIMARY PRODUCTION ; NET PRIMARY PRODUCTIVITY ; MODIS BRDF PRODUCT ; YOUNG LEMON TREES ; USE EFFICIENCY ; STOMATAL CONDUCTANCE ; TERRESTRIAL EVAPOTRANSPIRATION ; ECOSYSTEM MODEL ; DRYLAND ECOSYSTEMS ; CANOPY CONDUCTANCE
Indexed BySCI
Language英语
Funding ProjectCanadian Space Agency[14SUSMAPTO]
Funding OrganizationCanadian Space Agency
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000435262000058
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54715
Collection中国科学院地理科学与资源研究所
Corresponding AuthorHe, Liming
Affiliation1.Univ Toronto, Dept Geog & Planning, Toronto, ON, Canada
2.Lawrence Berkeley Natl Lab, Berkeley, CA USA
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, China State Key Lab Resources & Environm Informat, Beijing, Peoples R China
Recommended Citation
GB/T 7714
He, Liming,Chen, Jing M.,Gonsamo, Alemu,et al. Changes in the Shadow: The Shifting Role of Shaded Leaves in Global Carbon and Water Cycles Under Climate Change[J]. GEOPHYSICAL RESEARCH LETTERS,2018,45(10):5052-5061.
APA He, Liming.,Chen, Jing M..,Gonsamo, Alemu.,Luo, Xiangzhong.,Wang, Rong.,...&Liu, Ronggao.(2018).Changes in the Shadow: The Shifting Role of Shaded Leaves in Global Carbon and Water Cycles Under Climate Change.GEOPHYSICAL RESEARCH LETTERS,45(10),5052-5061.
MLA He, Liming,et al."Changes in the Shadow: The Shifting Role of Shaded Leaves in Global Carbon and Water Cycles Under Climate Change".GEOPHYSICAL RESEARCH LETTERS 45.10(2018):5052-5061.
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