| Description: |
Dust storms have a great significance for the global mineral aerosol cycle. Dust storm frequency (DSF) is often used as a primary index for understanding a regional characteristic of dust storms. However, DSF couldn't describe the frequency and the outbreak areas of a dust storm event (DSE) because a DSE might occur at several meteorological stations and continue for several days. Here scientists defined a new index DSE considering factors that include wind speed, wind direction, and spatial variation during a dust storm process. [Source: Atmospheric Research]
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