Articles | Volume 22, issue 12
Atmos. Chem. Phys., 22, 7905–7932, 2022
https://doi.org/10.5194/acp-22-7905-2022

Special issue: Dust aerosol measurements, modeling and multidisciplinary...

Atmos. Chem. Phys., 22, 7905–7932, 2022
https://doi.org/10.5194/acp-22-7905-2022
Research article
17 Jun 2022
Research article | 17 Jun 2022

Record-breaking dust loading during two mega dust storm events over northern China in March 2021: aerosol optical and radiative properties and meteorological drivers

Ke Gui et al.

Data sets

MOD04_L2 - MODIS/Terra Aerosol 5-Min L2 Swath 10km R. Levy and C. Hsu https://doi.org/10.5067/MODIS/MOD04_L2.061

MYD04_L2 - MODIS/Aqua Aerosol 5-Min L2 Swath 10km R. Levy and C. Hsu https://doi.org/10.5067/MODIS/MYD04_L2.061

AERDB_L2_VIIRS_SNPP - VIIRS/SNPP Deep Blue Aerosol L2 6-Min Swath 6 km (https://search.earthdata.nasa.gov/search) NASA VIIRS Atmosphere SIPS https://doi.org/10.5067/VIIRS/AERDB_L2_VIIRS_SNPP.011

AERDT_L2_VIIRS_SNPP - VIIRS/SNPP Dark Target Aerosol L2 6-Min Swath 6 km (https://search.earthdata.nasa.gov/search) R. C. Levy, S. Mattoo, V. Sawyer, and L. A. Munchak https://doi.org/10.5067/VIIRS/AERDT_L2_VIIRS_SNPP.011

CALIPSO Lidar Level 2 Aerosol Pro- file, V4-21 NASA/LARC/SD/ASDC https://doi.org/10.5067/CALIOP/CALIPSO/CAL_LID_L2_05kmAPro-Standard-V4-21

MERRA-2 tavg1_2d_adg_Nx: 2d,1-Hourly,Time-averaged,Single-Level,Assimilation,Aerosol Diagnostics (extended) V5.12.4 Global Modeling and Assimilation Office (GMAO) https://doi.org/10.5067/HM00OHQBHKTP

ERA5 Climate Data Store (CDS) https://cds.climate.copernicus.eu/cdsapp\#!/dataset/reanalysis-era5-single-levels?tab=form

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Short summary
This study investigates the aerosol optical and radiative properties and meteorological drivers during two mega SDS events over Northern China in March 2021. The MODIS-retrieved DOD data registered these two events as the most intense episode in the same period in history over the past 20 years. These two extreme SDS events were associated with both atmospheric circulation extremes and local meteorological anomalies that favor enhanced dust emissions in the Gobi Desert.
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