A three-dimensional variational data assimilation system for aerosol optical properties based on WRF-Chem v4.0: design, development, and application of assimilating Himawari-8 aerosol observations
Daichun Wang et al.
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Total article views: 738 (including HTML, PDF, and XML)
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Total article views: 2,238 (including HTML, PDF, and XML)
Thereof 2,012 with geography defined
and 226 with unknown origin.
Total article views: 738 (including HTML, PDF, and XML)
Thereof 614 with geography defined
and 124 with unknown origin.
Total article views: 1,500 (including HTML, PDF, and XML)
Thereof 1,398 with geography defined
and 102 with unknown origin.
This paper presents a 3D variational data assimilation system for aerosol optical properties, including aerosol optical thickness (AOT) retrievals and lidar-based aerosol profiles, which was developed for a size-resolved sectional model in WRF-Chem. To directly assimilate aerosol optical properties, an observation operator based on the Mie scattering theory was designed. The results show that Himawari-8 AOT assimilation can significantly improve model aerosol analyses and forecasts.
This paper presents a 3D variational data assimilation system for aerosol optical properties,...