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Identifying contributions of climatic and atmospheric changes to autumn phenology over mid-high latitudes of Northern Hemisphere
Guo, Mengdi1; Wu, Chaoyang2; Peng, Jie2; Lu, Linlin3; Li, Shihua1
2021-02-01
Source PublicationGLOBAL AND PLANETARY CHANGE
ISSN0921-8181
Volume197Pages:13
Corresponding AuthorWu, Chaoyang(wucy@igsnrr.ac.cn) ; Peng, Jie(pengjie.18b@igsnrr.ac.cn)
AbstractVariations in autumn phenology (i.e., the end of growing season, EOS) in recent decades have been suggested to be the dynamic response of terrestrial ecosystems to global environmental change. However, predicting EOS change with climate variation is still challenging, given that there are several environmental factors that can affect EOS apart from warming. In this study, EOS over the Northern Hemisphere (>30 degrees) was calculated by three different extracting methods using the Normalized difference vegetation index (NDVI) records from the Global Inventory Modeling and Mapping Studies third generation (GIMMS3g) during 1982 to 2015. We used partial correlation and partial least-squares regression (PLSR) analyses to investigate the EOS variations in response to five global environmental change factors, including temperature, precipitation, insolation, atmospheric CO2 and nitrogen (N) deposition. We found that about 58.5% (13.6% were significant) of the study area showed earlier EOS trends and 41.5% (10.3% were significant) with later EOS. Warming played a critical role in regulating EOS. The cumulative precipitation during the preseason had the greatest positive impact on EOS in arid/semiarid regions. Sufficient insolation could contribute to the delayed EOS over high latitudes. Compared with climatic factors, EOS also showed high sensitivity to changes in the atmospheric factors, and the dominant control of atmospheric CO2 and N deposition on EOS was found at 25-30% of the areas. Our results confirmed the dominant role of climatic factors in regulating EOS, but other global environmental cues, for instance, elevated atmospheric CO2 concentration and increased atmospheric nitrogen (N) deposition should also be included in the autumn phenological model to further understand the carbon and N cycles of terrestrial ecosystems with climate change.
KeywordAutumn phenology Climate change Atmospheric change Normalize Difference Vegetation Index
DOI10.1016/j.gloplacha.2020.103396
WOS KeywordGROWING-SEASON LENGTH ; NITROGEN ADDITION ; FOREST PHENOLOGY ; TIBETAN PLATEAU ; LEAF SENESCENCE ; ELEVATED CO2 ; RESPONSES ; TEMPERATURE ; PLANT ; CARBON
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA19040103] ; National Key R&D program of China[2018YFA0606101] ; National Natural Science Foundation of China[41871255] ; Key Research Program of Frontier Sciences, CAS[QYZDB-SSW-DQC011] ; CAS Interdisciplinary Innovation Team
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; National Key R&D program of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; CAS Interdisciplinary Innovation Team
WOS Research AreaPhysical Geography ; Geology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000612023300003
PublisherELSEVIER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/160688
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWu, Chaoyang; Peng, Jie
Affiliation1.Univ Elect Sci & Technol, Sch Resources & Environm, Chengdu 611731, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
3.Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Key Lab Digital Earth Sci, Beijing 100094, Peoples R China
Recommended Citation
GB/T 7714
Guo, Mengdi,Wu, Chaoyang,Peng, Jie,et al. Identifying contributions of climatic and atmospheric changes to autumn phenology over mid-high latitudes of Northern Hemisphere[J]. GLOBAL AND PLANETARY CHANGE,2021,197:13.
APA Guo, Mengdi,Wu, Chaoyang,Peng, Jie,Lu, Linlin,&Li, Shihua.(2021).Identifying contributions of climatic and atmospheric changes to autumn phenology over mid-high latitudes of Northern Hemisphere.GLOBAL AND PLANETARY CHANGE,197,13.
MLA Guo, Mengdi,et al."Identifying contributions of climatic and atmospheric changes to autumn phenology over mid-high latitudes of Northern Hemisphere".GLOBAL AND PLANETARY CHANGE 197(2021):13.
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