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RESPONSES OF VEGETATION ACTIVITY TO DROUGHT IN NORTHERN CHINA
Hua, Ting1; Wang, Xunming2; Zhang, Caixia1; Lang, Lili2; Li, Hui1
2017-10-01
Source PublicationLAND DEGRADATION & DEVELOPMENT
ISSN1085-3278
Volume28Issue:7Pages:1913-1921
Corresponding AuthorWang, Xunming(xunming@igsnrr.ac.cn)
AbstractWith the third-generation normalized difference vegetation index and a multiple-timescale drought index [standardized precipitation and evapotranspiration index (SPEI)], the relationships between vegetation activity in the growing season and drought occurrences during various seasons and at different timescales were investigated in northern China. Although poorly understood previously, knowledge of these relationships is crucial for climate, vegetation and hydrological studies. Our results show that over the past three decades, vegetation activity during the growing season was significantly correlated (p < 005) with drought occurrences over 785% of northern China and highly significantly correlated (p < 0001) in semi-arid regions. In addition, there were spatially variable responses of vegetation activity to the seasonality of drought events across northern China. When drought events occurred in pre-season in the northern part of Inner Mongolia and Heilongjiang, parts of Shaanxi and Shanxi, and the western part of Xinjiang, they appear to have impacted vegetation activity, as indicated by the short and medium timescales of the drought indices (SPEI-3 and SPEI-6, with 3 and 6 months of accumulation, respectively). In the eastern part of Inner Mongolia, eastern part of Gansu and Qinghai, and southern parts of Ningxia, droughts during the growing season played a key role in vegetation growth, as recorded by the drought indices at all four timescales (SPEI-3, SPEI-6, SPEI-12 and SPEI-24). In addition, we also observed spatial variations in the responses of vegetation activity to droughts in northern China. Copyright (C) 2017 John Wiley & Sons, Ltd.
Keywordvegetation activity SPEI drought response northern China
DOI10.1002/ldr.2709
WOS KeywordCLIMATE VARIABILITY ; NORTHWEST CHINA ; USE EFFICIENCY ; CENTRAL-ASIA ; TIME-SCALES ; FOREST ; PRECIPITATION ; REGIONS ; DESERTIFICATION ; MONSOON
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[NSFC 41501011] ; National Natural Science Foundation of China[41225001] ; Foundation for Excellent Youth Scholars of Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences[Y451171001]
Funding OrganizationNational Natural Science Foundation of China ; Foundation for Excellent Youth Scholars of Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences
WOS Research AreaEnvironmental Sciences & Ecology ; Agriculture
WOS SubjectEnvironmental Sciences ; Soil Science
WOS IDWOS:000412503200003
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/62403
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWang, Xunming
Affiliation1.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Key Lab Desert & Desertificat, Lanzhou 730000, Gansu, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, 11A Datun Rd, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Hua, Ting,Wang, Xunming,Zhang, Caixia,et al. RESPONSES OF VEGETATION ACTIVITY TO DROUGHT IN NORTHERN CHINA[J]. LAND DEGRADATION & DEVELOPMENT,2017,28(7):1913-1921.
APA Hua, Ting,Wang, Xunming,Zhang, Caixia,Lang, Lili,&Li, Hui.(2017).RESPONSES OF VEGETATION ACTIVITY TO DROUGHT IN NORTHERN CHINA.LAND DEGRADATION & DEVELOPMENT,28(7),1913-1921.
MLA Hua, Ting,et al."RESPONSES OF VEGETATION ACTIVITY TO DROUGHT IN NORTHERN CHINA".LAND DEGRADATION & DEVELOPMENT 28.7(2017):1913-1921.
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