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Impacts of Chinese Grain for Green program and climate change on vegetation in the Loess Plateau during 1982-2015
Li, Gang1,2,3,4; Sun, Shaobo5,9; Han, Jichang1,2,3,4; Yan, Jianwu6,7; Liu, Wenbin8; Wei, Yang1,2,3,4; Lu, Nan1,2,3,4; Sun, Yingying1,2,3,4
2019-04-10
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume660Pages:177-187
Corresponding AuthorSun, Shaobo(shaobo.sun@tju.edu.cn)
AbstractRemote sensing based vegetation index provides a practical method for the monitoring of vegetation dynamics at regional and global scales. Here, using a long-term remotely sensed normalized difference vegetation index (NDVI) dataset, we quantified the vegetation changes in the Loess Plateau (LP) over the last three decades (1982-2015), which includes the period before the Chinese" Grain for Green Program"(GGP) was launched (1982-1999), and the period after the GGP (1999-2015). The correlations between the NDVI and four climate related variables, i.e., precipitation, temperature, root-soil moisture (RSM), and a drought proxy-standardized evapotranspiration deficit index (SEDI), were also examined. The results indicated that, (i) the GGP strongly changed the vegetation in the LP. The growing-season mean NDVI (GSM-NDVI) and the annual mean NDVI (AM-NDVI) decreased slightly before the GGP launched in 1999, with slopes of -3.38 x 10(-3) and -8.00 x 10(-4) year(-1), respectively. However, they showed slight and significant (p < 0.05) increases after the GGP, with slopes of 4.75 x 10(-3) and 2.32 x 10(-3) year(-1), respectively. (ii) Climate change (i.e., warming and drying) resulted in adverse effects on vegetation in the LP during the period before the GGP. However, the observed changes (i.e., wetting and reduced drought) exerted positive effects on the vegetation during the period after the GGP. (iii) Inter-annual variations of spatially averaged NDVI over the LP were primarily determined by RSM rather than any other climate related variables. In the southeastern LP, the inter-annual variation of GSM-NDVI was mainly determined by precipitation and SEDI, while the inter-annual variation of AM-NDVI was mainly caused by SEDI and RSM. Inter-annual variations of both GSM-NDVI and AM-NDVI were mainly determined by SEDI and RSM in the northwestern LP, and by temperature in the southwestern LP. (c) 2019 Elsevier B.V. All rights reserved.
KeywordNormalized difference vegetation index (NDVI) Climate change Loess Plateau Grain for Green Program (GGP) Drought Remote sensing
DOI10.1016/j.scitotenv.2019.01.028
WOS KeywordSOIL-EROSION ; DEFORESTATION ; PRODUCTIVITY ; DROUGHT
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41801061] ; National Natural Science Foundation of China[41501093] ; Fund Project of Shaanxi Key Laboratory of Land Consolidation[2018-JC17]
Funding OrganizationNational Natural Science Foundation of China ; Fund Project of Shaanxi Key Laboratory of Land Consolidation
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000457725700019
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/49946
Collection中国科学院地理科学与资源研究所
Corresponding AuthorSun, Shaobo
Affiliation1.Shaanxi Prov Land Engn Construct Grp Co Ltd, Xian 710075, Shaanxi, Peoples R China
2.Minist Land & Resources China, Key Lab Degraded & Unused Land Consolidat Engn, Xian 710075, Shaanxi, Peoples R China
3.Shaanxi Prov Land Construct Engn Technol Res Ctr, Xian 710075, Shaanxi, Peoples R China
4.Shaanxi Prov Land Engn Construct Grp Co Ltd, Inst Land Engn & Technol, Xian 710075, Shaanxi, Peoples R China
5.Tianjin Univ, Inst Surface Earth Syst Sci, Tianjin 300072, Peoples R China
6.Shaanxi Normal Univ, Sch Geog & Tourism, Xian 710119, Shaanxi, Peoples R China
7.Shaanxi Normal Univ, Natl Demonstrat Ctr Expt Geog Educ, Xian 710119, Shaanxi, Peoples R China
8.Chinese Acad Sci, Key Lab Water Cycle & Related Land Surface Proc, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
9.92 Weijin Rd, Tianjin 300072, Peoples R China
Recommended Citation
GB/T 7714
Li, Gang,Sun, Shaobo,Han, Jichang,et al. Impacts of Chinese Grain for Green program and climate change on vegetation in the Loess Plateau during 1982-2015[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019,660:177-187.
APA Li, Gang.,Sun, Shaobo.,Han, Jichang.,Yan, Jianwu.,Liu, Wenbin.,...&Sun, Yingying.(2019).Impacts of Chinese Grain for Green program and climate change on vegetation in the Loess Plateau during 1982-2015.SCIENCE OF THE TOTAL ENVIRONMENT,660,177-187.
MLA Li, Gang,et al."Impacts of Chinese Grain for Green program and climate change on vegetation in the Loess Plateau during 1982-2015".SCIENCE OF THE TOTAL ENVIRONMENT 660(2019):177-187.
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