Climate Suitability Assessment of Human Settlements for Regions along the Belt and Road

查看全文 作　　者：LIN [1]Yumei;LI [1,2]Peng;FENG [1,2]Zhiming;YANG [1,2]Yanzhao;YOU [1,2]Zhen;ZHU [3]Fuxin

机构地区：[1]Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing,100101,China;[2]College of Resources and Environment,University of Chinese Academy of Sciences,Beijing,100049,China;[3]National Tibetan Plateau Data Center,Key Laboratory of Tibetan Environmental Changes and Land Surface Processes,Institute of Tibetan Plateau Research,Chinese Academy of Sciences,Beijing,100101,China

出　　处：《Chinese Geographical Science》索引2021年第31卷第6期,共15页

基　　金：Under the auspices of the Strategic Priority Research Program of Chinese Academy of Sciences(No.XDA20010203,XDA20010201);the Second Tibetan Plateau Scientific Expedition and Research Program(No.2019QZKK1006);Youth Innovation Promotion Association of the Chinese Academy of Sciences(No.CAS2020055);National Natural Science Foundation of China(No.41901086)。 摘　　要：Climate is one important environmental variable that affects human life.As the regions along the Belt and Road(B&R)encompass vast territories and large populations,it is significant to assess climate suitability for human settlements,which will influence the migration of various surrounding countries.We selected seven regions including 65 countries along the B&R for the research area and adopted the temperature-humidity index(THI),to assess the climate suitability.We analyzed the spatial characteristics of THI and the correlation between population distribution and THI,the results of which enabled us to adjust the THI classification criteria.We finally assessed the climate suitability of each region.The results reveal that outside the Qinghai-Tibet Plateau,the THI values generally tend to decrease from west to east as longitude increases and downward with increasing latitude.The population distribution is significantly correlated with the THI.Regions with relative suitable climate,including high suitability areas(HASs),moderately suitable areas(MSAs)and low suitability areas(LSAs),account for 50.62%of the total area and encompass in excess of 90%of total population.These areas are widely distributed in the southern regions of 45°N latitude,again with the exception of the Qinghai-Tibet Plateau.Critical suitable area includes 19.48%of the entire area and 8.98%of total population.The non-suitable area accounts for less than 30%of total area,concentrated in the cold high-latitude and high-altitude areas. 关键词：climate suitability temperature-humidity index human settlements spatial distribution the Belt and Road

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Climate Suitability Assessment of Human Settlements for Regions along the Belt and Road

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