全球逐月1km分辨率时空无缝近地面PM2.5浓度数据集(2000-2021年)
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该数据集为全球首套长时序逐月1km高分辨率时空无缝近地面PM2.5浓度数据产品。时间分辨率为逐月,时间覆盖范围为2000~2021年;空间分辨率为1km,经度范围为180°W~180°E,纬度范围为58°S ~62°N。产品验证精度达0.95以上,可为揭示全球大气灰霾污染的长期变化规律及空间分异特征、大气污染健康风险估算与气溶胶辐射效应等研究提供重要的数据支持。
This dataset is the world's first long-time-series, monthly 1-kilometer high-resolution spatially and temporally seamless near-surface PM2.5 concentration data product. Its temporal resolution is monthly, spanning the period from 2000 to 2021; its spatial resolution is 1 km, with coverage ranging from 180°W to 180°E in longitude and 58°S to 62°N in latitude. The verification accuracy of this product exceeds 0.95, which can provide important data support for studies such as revealing the long-term variation rules and spatial differentiation characteristics of global atmospheric haze pollution, estimating the health risks of air pollution, and aerosol radiative effects.




