Restart runs failed to reproduce chemical fields

[JianpingHuang-NOAA]

A new feature has been added to the UFS-AQM online system to support the AQMv7 implementation. While meteorological fields are producible all chemical fields are not. Some detailed comparisons of chemical predictions between standard and restart runs can be found from the link that I presented to EMC internal meeting on 3/31/2023.

https://docs.google.com/presentation/d/1E3cbZguKFV44o7hHyn9pTOKCPhYEo6Ig/edit#slide=id.p1

Based on the suggestions obtained during the meeting, we plan to conduct several sensitivity runs to gain a better understanding of the issue.

1. Scenario a: turn off all anthropogenic, fire, and point source emissions, as well as chemical LBCs
2. Scenario b: turn off chemical LBCs only
3. Scenario c: include all emissions and chemical LBCs.

I will share the run results soon. Please let me know if you have more suggestions.

Thanks,

Jianping

[BrianCurtis-NOAA]

@JianpingHuang-NOAA If needed, can you further break down testing to see if one of anthro, fire or point souirce is individually causing issue?

[JianpingHuang-NOAA]

https://docs.google.com/presentation/d/1UXDsZrV1gfwnFLJG9ocq_qU-7w0oBX4r90JX4UVvG_0/edit#slide=id.g22e0ba1663e_2_7

[BrianCurtis-NOAA]

@JianpingHuang-NOAA has this issue been fixed with the work for AQM v7 or v7.1 ?

[JianpingHuang-NOAA]

Yes, Jianping

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