Forming High Ozone Concentration in the Ambient Air of Southern Taiwan under the Effects of Western Pacific Subtropical High

Table 2

Domain setting and selected configuration parameters for WRF-Chem model operation.

Type of setting	Domain 1 (D1)	Domain 2 (D2)	Domain 3 (D3)
Horizontal grid ()	115, 91	73, 73	67, 58
Grid spacing	27 km	9 km	1 km
Meteorological time step	180 s	60 s	20 s
Chemical time step	180 s	60 s	60 s
Microphysics	WSM3-class simple ice scheme
Cumulus physics option	Grell-Devenyi (for D1 and D2), none for D3
Chemistry option	RADM2 mechanism, no aerosol [21, 22]
Dry deposition	Wesley, 1989 [14, 18]
Photolysis option	Madronich, 1987 [23]
Long-wave radiation	RRTM scheme
Short-wave radiation	GODDART scheme
Subgrid convective transport	Turned on
Photolysis option	Madronich photolysis