GDP_PPP_1990_2015_5arcmin

This global dataset represents the gross domestic production (GDP) of each grid cell. GDP is given in 2011 international US dollars. The data is derived from GDP per capita (PPP) which is multiplied by gridded population data HYDE 3.2 (the years of population data not available (1991-1999) were linearly interpolated at grid scale based on data from years 1990 and 2000). Dataset has global extent at 5 arc-min resolution for the 26-year period of 1990-2015. Detail description is given in a linked article and metadata is provided as an attribute in the NetCDF file itself.

本全球数据集涵盖每个网格单元的国内生产总值（gross domestic production, GDP），数据以2011年国际美元为计价单位。本数据集由人均国内生产总值（购买力平价，Purchasing Power Parity, PPP）与网格化人口数据集HYDE 3.2相乘得到；针对1991至1999年缺失的人口数据，基于1990年与2000年的人口数据，以网格尺度进行线性插值补全。数据集覆盖全球范围，空间分辨率为5弧分，时间跨度为1990年至2015年，共计26年。数据集的详细说明见关联文章，元数据以属性字段形式内嵌于NetCDF文件自身。