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Northwest Normal University (2021)

Quantitative Evaluation and Influencing Factors of Surface Urban Heat Island (SUHI) in Chinese Urban Agglomerations Based on GEE

安慧敏

Titre : Quantitative Evaluation and Influencing Factors of Surface Urban Heat Island (SUHI) in Chinese Urban Agglomerations Based on GEE

Auteur : 安慧敏

Grade : Master 2021

Université : Northwest Normal University

Résumé partiel
Since the reform and opening up,China experienced rapid urbanization.The urban heat island effect has become one of the major issues affecting the urban ecological environment.In recent years,the development of urban agglomerations in China has caused the problem of urban heat islands to become more prominent and seriously affect the ecological environment of the urban agglomeration areas in China.Conservation and sustainable development.Therefore,based on the GEE cloud platform,this paper uses MODIS surface temperature data to estimate the intensity of surface urban heat islands in China’s urban agglomerations during the day,night,and throughout the year from 2003 to 2019,and analyzes the temporal and spatial characteristics of urban heat islands in China’s urban agglomerations from 2003 to 2019.Sen+MK trend analysis method analyzes the change trend of urban agglomeration heat islands ;through correlation analysis and regression analysis,respectively analyzes land cover change(LCC),vegetation index(Normalized Difference Vegetation Index,NDVI),and reference evapotranspiration.Correlation between development(Reference evapotranspiration,ET0),air quality,DEM,population density,GDP,and surface urban heat island intensity changes ;use the geographic detector model to analyze the main driving factors of urban heat islands,the interaction between driving factors and the indicating effect

Mots clés : GEE ;Chinese urban agglomeration ;surface urban heat island ;influencing factors ;

Présentation (CNKI)

Page publiée le 27 février 2022