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Influences of temperature and precipitation before the growing season on spring phenology in grasslands of the central and eastern Qinghai-Tibetan Plateau
Shen, Miaogen2; Tang, Yanhong2; Chen, Jin1; Zhu, Xiaolin3; Zheng, Yinghua4
2011-12-15
Source PublicationAGRICULTURAL AND FOREST METEOROLOGY
Volume151Issue:12Pages:1711-1722
AbstractSpatial variations in phenological responses to temperature have not been reported for grasslands of the Qinghai-Tibetan Plateau. Using satellite-derived normalized difference vegetation index and meteorological records from 1982 to 2006, we characterized the spatial patterns of grassland green-up onset in relation to air temperature and precipitation before the growing season ("preseason" henceforth) in the central and eastern plateau by combining linear programming with correlation analysis. Green-up onset near half of the meteorological stations was significantly correlated (p < 0.10) with precipitation and thermal spring onset (TSO) date based on the cumulative temperature less than 6 weeks before the onset. The green-up onset paralleled the advance in TSO in the southwestern, southeastern, eastern, and northeastern parts of the plateau. The TSO and preseason precipitation (PPT) explained part of the inter-annual phenological variations, with r(2) varying between 0.05 and 0.55 and averaging 0.28, and did not explain delay of green-up onset in some areas. Increasing preseason temperature tended to advance green-up onset in relatively moist areas. PPT exerted a stronger influence on green-up onset in drier areas. These results indicate spatial differences in the key environmental influences on spring phenology. To improve the ability to predict onset, ground-based community-level phenological studies and spatial scaling-up of the phenology-climate relationship will be necessary. (C) 2011 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordAlpine Grassland Climate Change Ndvi Qinghai-tibetan Plateau Land Surface Phenology
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
WOS Subject ExtendedAgriculture ; Forestry ; Meteorology & Atmospheric Sciences
WOS KeywordLAND-SURFACE PHENOLOGY ; CLIMATE-CHANGE ; VEGETATION PHENOLOGY ; CENTRAL HIMALAYA ; CHINA ; SATELLITE ; MODIS ; INDEXES ; WINTER ; CLASSIFICATION
Indexed BySCI
Language英语
WOS SubjectAgronomy ; Forestry ; Meteorology & Atmospheric Sciences
WOS IDWOS:000297277200020
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/68152
Collection中国科学院地理科学与资源研究所
Corresponding AuthorChen, Jin
Affiliation1.Beijing Normal Univ, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China
2.Natl Inst Environm Studies, Div Environm Biol, Tsukuba, Ibaraki 3058506, Japan
3.Ohio State Univ, Dept Geog, Columbus, OH 43210 USA
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Shen, Miaogen,Tang, Yanhong,Chen, Jin,et al. Influences of temperature and precipitation before the growing season on spring phenology in grasslands of the central and eastern Qinghai-Tibetan Plateau[J]. AGRICULTURAL AND FOREST METEOROLOGY,2011,151(12):1711-1722.
APA Shen, Miaogen,Tang, Yanhong,Chen, Jin,Zhu, Xiaolin,&Zheng, Yinghua.(2011).Influences of temperature and precipitation before the growing season on spring phenology in grasslands of the central and eastern Qinghai-Tibetan Plateau.AGRICULTURAL AND FOREST METEOROLOGY,151(12),1711-1722.
MLA Shen, Miaogen,et al."Influences of temperature and precipitation before the growing season on spring phenology in grasslands of the central and eastern Qinghai-Tibetan Plateau".AGRICULTURAL AND FOREST METEOROLOGY 151.12(2011):1711-1722.
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