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Climatic determinants impacting the distribution of greenness in China: regional differentiation and spatial variability
Jiao, Kewei1,2; Gao, Jiangbo1; Wu, Shaohong1,3
2019-04-01
Source PublicationINTERNATIONAL JOURNAL OF BIOMETEOROLOGY
ISSN0020-7128
Volume63Issue:4Pages:523-533
Corresponding AuthorGao, Jiangbo(gaojiangbo@igsnrr.ac.cn)
AbstractThis study investigated climatic determinants for regional greenness in China and spatially variable correlations between climatic determinants and vegetation in specific regions using the geographical detector and geographically weighted regression (GWR) methodologies. The analyses were based on normalized difference vegetation index (NDVI) and interpolations of climatic determinants from 652 Chinese meteorological stations. The study period (1982-2013) was divided into two stages (T1-T2) before and after the inflection year identified by the accumulative anomaly of NDVI. Three typical regions (R1-R3) were then selected according to the same NDVI variation trend as China in the two periods. Precipitation was the dominant climatic factor of NDVI in China, and the effect of temperature on greenness increased with warming from T1 to T2. In a relatively arid region (R1), the effect of precipitation in T2 was further strengthened compared to T1. Meanwhile, the effect of minimum temperature in T2 also increased compared with T1 in a relatively humid region (R2), becoming the major climatic determinant. In addition to the regional differentiation, spatial variability was investigated by comparing normalized coefficients of GWR for climatic determinants; this showed significant spatial heterogeneity within each region. Temperature impact areas also existed within precipitation-dominated regions (R1 and R3), where areas of precipitation impact expanded from T1 to T2. Furthermore, regression coefficients between NDVI dynamics and climate variability revealed relationships between regional differentiation and spatial variability. For example, the increasing precipitation rate could mediate the adverse impacts on greenness caused by the higher warming rate in relatively arid regions (R1).
KeywordGreenness NDVI Climatic determinants Spatial variability Regional variations China
DOI10.1007/s00484-019-01683-4
WOS KeywordVEGETATION DYNAMICS ; RESPONSES ; PRECIPITATION ; ECOSYSTEMS ; GRASSLAND ; TRENDS
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41671098] ; National Natural Science Foundation of China[41530749] ; National Key R&D Program of China[2018YFC1508801] ; Chinese Academy of Sciences[XDA20020202] ; Chinese Academy of Sciences[XDA19040304]
Funding OrganizationNational Natural Science Foundation of China ; National Key R&D Program of China ; Chinese Academy of Sciences
WOS Research AreaBiophysics ; Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences ; Physiology
WOS SubjectBiophysics ; Environmental Sciences ; Meteorology & Atmospheric Sciences ; Physiology
WOS IDWOS:000462612800009
PublisherSPRINGER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/48586
Collection中国科学院地理科学与资源研究所
Corresponding AuthorGao, Jiangbo
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, 11A Datun Rd, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Inst Appl Ecol, Key Lab Forest Ecol & Management, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
3.Univ Chinese Acad Sci, Coll Resources & Environm, 19A Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Jiao, Kewei,Gao, Jiangbo,Wu, Shaohong. Climatic determinants impacting the distribution of greenness in China: regional differentiation and spatial variability[J]. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY,2019,63(4):523-533.
APA Jiao, Kewei,Gao, Jiangbo,&Wu, Shaohong.(2019).Climatic determinants impacting the distribution of greenness in China: regional differentiation and spatial variability.INTERNATIONAL JOURNAL OF BIOMETEOROLOGY,63(4),523-533.
MLA Jiao, Kewei,et al."Climatic determinants impacting the distribution of greenness in China: regional differentiation and spatial variability".INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 63.4(2019):523-533.
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