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Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
https://doi.org/10.5194/gmd-2017-306
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
Model description paper
22 Dec 2017
Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Geoscientific Model Development (GMD).
The implementation of NEMS GFS Aerosol Component (NGAC) Version 2.0 for global multispecies forecasting at NOAA/NCEP: Part I Model Descriptions
Jun Wang1, Partha S. Bhattacharjee1, Vijay Tallapragada2, Cheng-Hsuan Lu3, Shobha Kondragunta4, Arlindo da Silva5, Xiaoyang Zhang6, Sheng-Po Chen3, Shih-Wei Wei3, Anton S. Darmenov5, Jeff McQueen2, Pius Lee7, Prabhat Koner8, and Andy Harris8 1I. M. Systems Group, INC. at NOAA/NWS National Centers for Environment Prediction, College Park, 20740, USA
2NOAA/NWS National Centers for Environment Prediction, College Park, 20740, USA
3University at Albany, State University of New York, Albany, 12222, USA
4NOAA/NESDIS Satellite Applications and Research Center, College Park, 20740, USA
5NASA Goddard Space Flight Center, Greenbelt, 20771, USA
6South Dakota State University, Brookings, 57007, USA
7NOAA/OAR Air Resource Laboratory, College Park, 20740, USA
8University of Maryland, Earth System Science Interdisciplinary Centre, College Park, 20740, USA
Abstract. The NEMS GFS Aerosol component (NGAC) version 2.0 for global multi-species aerosol forecast has been developed at the National Centers of Environment Prediction (NCEP) in collaboration with the NESDIS Center for Satellite Applications and Research (STAR), NASA Goddard Space Flight Center (GSFC), and University at Albany, State University of New York (SUNYA). This paper describes the continuous development of the NGAC system at NCEP after the initial global dust-only forecast implementation (NGAC version 1.0). With version 2, additional sea salt, sulfate, organic carbon and black carbon aerosol species were included. The smoke emissions are from the NESDIS STAR's Global Biomass Burning Product (GBBEPx), blended from the global biomass burning emission product from a constellation of geostationary satellites (GBBEP-Geo) and GSFC's Quick Fire Emission Data Version 2 from a polar orbiting sensor (QFED2). This implementation advanced the global aerosol forecast capability and made a step forward toward developing a global aerosol data assimilation system. The aerosol products from this system have been used by many applications such as for regional air quality model lateral boundary conditions, satellite SST physical retrievals and the global solar insolation estimation. Positive impacts have been seen in these applications.

Citation: Wang, J., Bhattacharjee, P. S., Tallapragada, V., Lu, C.-H., Kondragunta, S., da Silva, A., Zhang, X., Chen, S.-P., Wei, S.-W., Darmenov, A. S., McQueen, J., Lee, P., Koner, P., and Harris, A.: The implementation of NEMS GFS Aerosol Component (NGAC) Version 2.0 for global multispecies forecasting at NOAA/NCEP: Part I Model Descriptions, Geosci. Model Dev. Discuss., https://doi.org/10.5194/gmd-2017-306, in review, 2017.
Jun Wang et al.
Jun Wang et al.
Jun Wang et al.

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Short summary
The NEMS GFS Aerosol Component (NGAC) version 2.0 for global multi-species aerosol forecast was developed at NCEP. Additional sea salt, sulfate, organic carbon and black carbon aerosol species were included. This implementation advanced the global aerosol forecast capability and made a step forward toward developing a global aerosol data assimilation system. The aerosol products from this system have been provided to meet the stakeholder's needs.
The NEMS GFS Aerosol Component (NGAC) version 2.0 for global multi-species aerosol forecast was...
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