Research Article
Simulation of Surface Ozone Pollution in the Central Gulf Coast Region Using WRF/Chem Model: Sensitivity to PBL and Land Surface Physics
Table 1
Details of the grids and physics options used in the WRF/Chem model.
| Dynamics | Primitive equation, nonhydrostatic | Vertical resolution | 31 levels | Domains | Domain 1 | Domain 2 | Domain 3 | Horizontal resolution | 36 km | 12 km | 4 km | Grid points | 54 40 | 109 76 | 187 118 | Domains of integration | 98.00°W–72.77°W | 94.86°W –79.56°W | 92.5°W–84.60°W | 22.93°N–39.47°N | 26.49°N –36.33°N | 28.39°N–33.66°N |
| Radiation | Goddard scheme for short wave | RRTM scheme for long wave |
| Sea surface temperature | NCEP FNL analysis data |
| Cumulus convection | New Grell scheme on the outer grids domain 1 and domain 2 | Explicit moisture | Lin scheme | Sensitivity Experiments | PBL/Land Surface Scheme | YSUSOIL | Yonsei University PBL, 5-layer soil diffusion model | YSUNOAH | Yonsei University PBL, NOAH LSM | YSURUC | Yonsei University PBL, RUC LSM | MYJSOIL | Mellor-Yamada-Janjic PBL, 5-layer soil diffusion model | MYJNOAH | Mellor-Yamada-Janjic PBL, NOAH LSM | MYJRUC | Mellor-Yamada-Janjic PBL, RUC LSM | ACMSOIL | Asymmetric Convective Model, 5-layer soil diffusion model | ACMNOAH | Asymmetric Convective Model, NOAH LSM | ACMRUC | Asymmetric Convective Model, RUC LSM | ACMPX | Asymmetric Convective Model, Pleim-Xue LSM |
|
|