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Separating Vegetation Greening and Climate Change Controls on Evapotranspiration trend over the Loess Plateau
Jin, Zhao1; Liang, Wei1,2,3; Yang, Yuting4; Zhang, Weibin1; Yan, Jianwu1,2; Chen, Xuejuan5; Li, Sha1; Mo, Xingguo5
2017-08-15
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume7Pages:15
Corresponding AuthorYan, Jianwu(yanjw@snnu.edu.cn)
AbstractEvapotranspiration (ET) is a key ecological process connecting the soil-vegetation-atmosphere system, and its changes seriously affects the regional distribution of available water resources, especially in the arid and semiarid regions. With the Grain-for-Green project implemented in the Loess Plateau (LP) since 1999, water and heat distribution across the region have experienced great changes. Here, we investigate the changes and associated driving forces of ET in the LP from 2000 to 2012 using a remote sensing-based evapotranspiration model. Results show that annual ET significantly increased by 3.4 mm per year (p = 0.05) with large interannual fluctuations during the study period. This trend is higher than coincident increases in precipitation (2.0 mm yr(-2)), implying a possible pressure of water availability. The correlation analysis showed that vegetation change is the major controlling factor on interannual variability of annual ET with similar to 52.8% of pixels scattered in the strip region from the northeastern to southwestern parts of the LP. Further factorial analysis suggested that vegetation greening is the primary driver of the rises of ET over the study period relative to climate change. Our study can provide an improved understanding of the effects of vegetation and climate change on terrestrial ecosystem ET in the LP.
DOI10.1038/s41598-017-08477-x
WOS KeywordSURFACE-ENERGY BALANCE ; WATER-RESOURCES ; CHINA ; TEMPERATURE ; SATELLITE ; ALGORITHM ; MODEL ; SOIL ; DYNAMICS ; PATTERNS
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41501093] ; National Natural Science Foundation of China[41390464] ; Key Research and Development Program of China[2016YFC0501601] ; Natural Science Foundation of Shaanxi Province of China[2017JM4011] ; National Special Program on Basic Science and Technology Research of China[2014FY210100] ; Fundamental Research Funds for the Central Universities[GK201603072]
Funding OrganizationNational Natural Science Foundation of China ; Key Research and Development Program of China ; Natural Science Foundation of Shaanxi Province of China ; National Special Program on Basic Science and Technology Research of China ; Fundamental Research Funds for the Central Universities
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000407570000068
PublisherNATURE PUBLISHING GROUP
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/61687
Collection中国科学院地理科学与资源研究所
Corresponding AuthorYan, Jianwu
Affiliation1.Shaanxi Normal Univ, Sch Geog & Tourism, Xian 710119, Shaanxi, Peoples R China
2.Shaanxi Normal Univ, Natl Demonstrat Ctr Expt Geog Educ, Xian 710119, Shaanxi, Peoples R China
3.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China
4.CSIRO Land & Water, Canberra, ACT 2601, Australia
5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Jin, Zhao,Liang, Wei,Yang, Yuting,et al. Separating Vegetation Greening and Climate Change Controls on Evapotranspiration trend over the Loess Plateau[J]. SCIENTIFIC REPORTS,2017,7:15.
APA Jin, Zhao.,Liang, Wei.,Yang, Yuting.,Zhang, Weibin.,Yan, Jianwu.,...&Mo, Xingguo.(2017).Separating Vegetation Greening and Climate Change Controls on Evapotranspiration trend over the Loess Plateau.SCIENTIFIC REPORTS,7,15.
MLA Jin, Zhao,et al."Separating Vegetation Greening and Climate Change Controls on Evapotranspiration trend over the Loess Plateau".SCIENTIFIC REPORTS 7(2017):15.
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