globalchange  > 气候变化与战略
DOI: 10.1080/01431161.2019.1657605
论文题名:
Fractional vegetation coverage response to climatic factors based on grey relational analysis during the 2000-2017 growing season in Sichuan Province, China
作者: Li P.; He Z.; He D.; Xue D.; Wang Y.; Cao S.
刊名: International Journal of Remote Sensing
ISSN: 1431161
出版年: 2020
卷: 41, 期:3
语种: 英语
Scopus关键词: Atmospheric temperature ; Ecosystems ; Quality control ; Radiometers ; Remote sensing ; Vegetation ; Environmental quality ; Global climate changes ; Grey relational analysis ; Moderate resolution imaging spectroradiometer ; Normalized difference vegetation index ; Remote sensing data ; Spatial-temporal characteristics ; Terrestrial ecosystems ; Climate change ; climate change ; ecosystem response ; environmental quality ; growing season ; spatial variation ; temporal variation ; vegetation cover ; China ; Sichuan
英文摘要: Sichuan Province, China, is a typical ecologically fragile area that is sensitive to global climate change. Studies regarding the spatial-temporal variations and driving factors of FVC (Fractional Vegetation Coverage) in Sichuan Province’s vegetation ecosystem are of important theoretical and practical significance for revealing the relationship between global climate change and vegetation ecosystems. These studies are also important theoretical and practical significance for the evaluation of environmental quality and service function adjustment of terrestrial ecosystems. In existing studies, there is a lack of detailed depictions of the FVC response to climatic factors in the context of different vegetation types and different landform features in Sichuan Province. In this study, the spatial-temporal patterns and change trends for the FVC of the growing seasons during the 2000–2017 period for Sichuan Province were analysed based on the FVCs that were inversely determined from MODIS (MODerate-resolution Imaging Spectroradiometer) NDVI (Normalized Difference Vegetation Index) remote sensing data, and they were combined with air temperature, relative humidity and precipitation data. Moreover, the GRA (Grey Relational Analysis) method was used to study the response of the FVC to climate changes. Based on the results of the GRA, the zoning of climatic factors as driving forces for the FVC was performed, and the differences in the spatial-temporal characteristics of the FVC response to different climatic factors were presented in quantitative form. Here, we found that the vegetation coverage in Sichuan province showed a slight degradation trend, and that the medium to low altitude woody plants were significantly degraded. The proportion of regions in which relative humidity (17.3%) and precipitation (17.4) were strong drivers for FVC changes, was much greater than the regions in which air temperature (1.8%) and other co-drivers were the force. © 2019, © 2019 Informa UK Limited, trading as Taylor & Francis Group.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/159475
Appears in Collections:气候变化与战略

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作者单位: State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu, China; College of Earth Sciences, Chengdu University of Technology, Chengdu, China; International Institute for Earth System Science, Nanjing University, Nanjing, China; Jiangsu Provincial Key laboratory of Geographic Information Science and Technology, Nanjing University, Nanjing, China; Institute of Geological and Mineral Exploration, Beijing, China; College of Resource Environment and Tourism, Capital Normal University, Beijing, China

Recommended Citation:
Li P.,He Z.,He D.,et al. Fractional vegetation coverage response to climatic factors based on grey relational analysis during the 2000-2017 growing season in Sichuan Province, China[J]. International Journal of Remote Sensing,2020-01-01,41(3)
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