Assimilation of the AMSU-A radiances using the CESM (v2.1.0) and the DART (v9.11.13)–RTTOV (v12.3)

Noh, Young-Chan; Choi, Yonghan; Song, Hyo-Jong; Raeder, Kevin; Kim, Joo-Hong; Kwon, Youngchae

doi:https://doi.org/10.5194/gmd-16-5365-2023

Articles | Volume 16, issue 18

https://doi.org/10.5194/gmd-16-5365-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gmd-16-5365-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 16, issue 18

Development and technical paper

|

19 Sep 2023

Development and technical paper |

| 19 Sep 2023

Assimilation of the AMSU-A radiances using the CESM (v2.1.0) and the DART (v9.11.13)–RTTOV (v12.3)

Young-Chan Noh, Yonghan Choi, Hyo-Jong Song, Kevin Raeder, Joo-Hong Kim, and Youngchae Kwon

Data sets

NCEP ADP Global Upper Air and Surface Weather Observations (PREPBUFR format) National Centers for Environmental Prediction/National Weather Service/NOAA/U.S. Department of Commerce https://doi.org/10.5065/Z83F-N512

Model code and software

Model (CESM & DART) and preprocessing codes Young-Chan Noh https://doi.org/10.5281/zenodo.7714755

Model outputs (CNTL & EXP) Young-Chan Noh https://doi.org/10.5281/zenodo.7983459

Short summary

This is the first attempt to assimilate the observations of microwave temperature sounders into the global climate forecast model in which the satellite observations have not been assimilated in the past. To do this, preprocessing schemes are developed to make the satellite observations suitable to be assimilated. In the assimilation experiments, the model analysis is significantly improved by assimilating the observations of microwave temperature sounders.