世界气象组织：2022年世界气象组织空中尘埃公告（英文版）

The spatial distribution of the global surface concentration of mineral dust in 2021 (Figure 1) and its anomaly relative to climatologically mean values (1981–2010) (Figure 2) were derived based on the dust products from the Modern-Era Retrospective Analysis for Research and Applications, Version 2 (MERRA-2) (Gelaro et al., 2017). This is the latest atmospheric reanalysis version for the modern satellite era produced by the NASA Global Modeling and Assimilation Office (GMAO). In general, the