Updating Global Urbanization Projections Under the Shared Socioeconomic Pathways
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We updated the global urbanization level from 2015 to 2100 under the SSPs. We provide two projections generated from two data sources (i.e., World Urbanization Prospects (WUP, the 2018 revision) and World Bank (WB)) with time steps of 5 years and 1 year, respectively. The updated dataset of urbanization level has a potential to be widely applied to the study of future socioeconomic development and climate change. The data projected based on the WUP (2018 revision) database are stored under the 'WUP2018' folder, and the data predicted based on the WB database are stored under the 'WB' folder. The urbanization level and uncertainty for each country and area are stored in ‘.xls’ files named starting with different 'SSPs', and the files ending with ‘SD’ represent the standard deviation of the projections. In 'WUP2018' folder and 'WB' folder, we also provided files named ‘the 100% urbanization level countries and areas’ contains countries and areas in which urbanization levels were 100% in 2010 or 2009 and assumed their urbanization levels will stay in 100% in the future.
本研究基于共享社会经济路径（Shared Socioeconomic Pathways，SSPs），更新了2015年至2100年的全球城市化率数据。本数据集采用两类数据源生成两组预测结果，分别为世界城市化展望（World Urbanization Prospects，WUP，2018修订版）与世界银行（World Bank，WB）数据，其时间步长分别为5年与1年。本次更新的城市化率数据集有望广泛应用于未来社会经济发展与气候变化相关研究。 基于世界城市化展望（2018修订版）数据库生成的预测数据存储于“WUP2018”文件夹中，基于世界银行数据库生成的预测数据则存储于“WB”文件夹中。各国及地区的城市化率及其不确定性信息均存储于以不同“SSPs”开头命名的Excel（.xls）文件中，文件名后缀为“SD”的文件代表对应预测结果的标准差。 在“WUP2018”与“WB”文件夹中，还包含名为“100%城市化率国家及地区”的文件，该文件收录了2010年或2009年城市化率已达100%的国家及地区，并假设其未来城市化率将维持在100%水平。
