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We are currently applying an ensemble-based chemical data assimilation system,
consisting of regional to global chemical transport models (CAM-Chem, WRF-Chem)
in conjunction with DART, for a joint assimilation of meteorological
observations and satellite-derived CO measurements from MOPITT and aerosol
optical depth (AOD) measurements from MODIS. The chemical data assimilation
system has been recently used for near-real time chemical forecasting
(see https://espo.nasa.gov/arctas/)
to support flight planning during the NASA Arctic Research of the Composition
of the Troposphere from Aircraft and Satellites (ARCTAS).
[link to more information]
Ave Arellano, arellano@ucar.edu |