A Comparative Evaluation of a Mesoscale Model and Atmospheric Global Circulation Model for Air Quality Simulation: A Multiscale, Multisite Evaluation

Table 3

Model parameters used in MM5 and AGCM in the present study.

Parameter	MM5	AGCM
Model version	NCAR MM5V3	LMDZ.3
Horizontal resolution (km)	30	50
Vertical levels	23	19
Convective parameterization	Anthes-Kuo	Tidtke
Microphysical scheme	Simple ice	—
PBL	MRF	LMD
Radiation scheme	Dudhia	ECMWF
Land surface process	NOAH LSM	LMD
Lateral boundary condition	Relaxation	Global
Initial condition	Global tropospheric analysis 1°  ×  1° degree data (NCAR)	NCEP reanalysis data, 2.5°  ×  2.5° resolution
Forecast lead	1 day	5 days
Nonhydrostatic	Yes	No