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Spring phenology outweighed climate change in determining autumn phenology on the Tibetan Plateau
Peng, Jie1,2; Wu, Chaoyang1,2; Wang, Xiaoyue1,2; Lu, Linlin3
2021-02-19
Source PublicationINTERNATIONAL JOURNAL OF CLIMATOLOGY
ISSN0899-8418
Pages18
Corresponding AuthorWu, Chaoyang(wucy@igsnrr.ac.cn)
AbstractAs the third pole of the Earth, the Tibetan Plateau (TP) is highly sensitive to climate change. Phenological changes in spring (i.e., the start of the growing season, SOS) over the TP are of much debate, while our understanding on the variation of autumn phenology (i.e., the end of the growing season, EOS) is still lacking. Given the significance of tracing the latest variation of EOS induced by the ongoing global change, we used the currently longest time series (1982-2018) of the normalized difference vegetation index of the Long Term Data Record from the Advanced Very High Resolution Radiometer (AVHRR LTDR NDVI) and investigated the responses of EOS to biological and climatic factors. We found that the EOS showed an insignificantly delayed trend at an average rate of 0.14 days center dot decade(-1) on the TP. This variation was found for all vegetation types except for alpine sparse vegetation. We further showed that spring SOS had the largest contribution to the interannual variations in EOS, where 46.5% of the vegetated areas showed significantly positive correlations between SOS and EOS (p < .05). Temperature (26.5%) and precipitation (18.8%) also had significant positive impacts on EOS, while the contribution of radiation was negative (11.3%). These correlations were regulated by local hydrothermal conditions, especially for precipitation gradients. Using the longest satellite data currently available, with the state-of-art data processing, we demonstrated a weakly delaying trend of EOS and the controlling role of spring phenology on the interannual variability of EOS, which is of great significance to improve our comprehension of the interactions between vegetation dynamics and climate change in the future.
Keywordautumn phenology climate change spring phenology Tibetan Plateau
DOI10.1002/joc.7045
Indexed BySCI
Language英语
Funding ProjectKey Research Program of Frontier Sciences, CAS[QYZDB-SSW-DQC011] ; National Natural Science Foundation of China[41871255] ; National Natural Science Foundation of China[41901359] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA19040103]
Funding OrganizationKey Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000619669700001
PublisherWILEY
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/160680
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWu, Chaoyang
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Key Lab Digital Earth Sci, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Peng, Jie,Wu, Chaoyang,Wang, Xiaoyue,et al. Spring phenology outweighed climate change in determining autumn phenology on the Tibetan Plateau[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2021:18.
APA Peng, Jie,Wu, Chaoyang,Wang, Xiaoyue,&Lu, Linlin.(2021).Spring phenology outweighed climate change in determining autumn phenology on the Tibetan Plateau.INTERNATIONAL JOURNAL OF CLIMATOLOGY,18.
MLA Peng, Jie,et al."Spring phenology outweighed climate change in determining autumn phenology on the Tibetan Plateau".INTERNATIONAL JOURNAL OF CLIMATOLOGY (2021):18.
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