全球逐年1km分辨率时空无缝气溶胶光学厚度AOD数据集(2000-2023年)
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该数据集为首套全球长时序逐年1km高分辨率时空无缝气溶胶光学厚度AOD数据产品。时间分辨率为逐年,时间覆盖范围为2000~2023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0.85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 first global long-time-series, annual 1km high-resolution spatially and temporally seamless aerosol optical depth (AOD) data product. It has an annual temporal resolution, covering the period from 2000 to 2023. The spatial resolution is 1km, with longitude ranging from 180°W to 180°E and latitude from 58°S to 62°N. The product’s validated accuracy exceeds 0.85, providing critical data support for studies such as revealing the long-term variation patterns and spatial differentiation characteristics of global atmospheric haze pollution, estimating health risks associated with atmospheric pollution, and examining aerosol radiative effects.




