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camx and cmaq technical summary

CAMx v6.10 and CMAQ v5.0.2

Summary Technical Features

Features that are common to both models

  • Horizontal Modeling Domain - uniform grid spacing; inherits from met model
  • Vertical Layer Structure - variable sigma layer heights; inherits from met model
  • Boundary Conditions - downscale from global CTM

Science Options

Science/Configuration OptionCAMx v6.10CMAQ v5.0.2Details
NestingTwo-wayOne-way, Two-way, and Flexi-nestOne-way 
Plume-in grid   
Gas-Phase Chemistry CB05, CB6; CAMx 1, 2, 5, 6, 7, 10 (user defined); SAPRC99  
Gas-Phase Chemistry SolverEBI, IEH, Gear  
Aqueous ChemistryRADM-AQ  
Aerosol Chemistry Two-mode course/fine scheme (modal) and multi-sectional CMU scheme (sectional)  
Aerosol ThermodynamicsISOROPEA  
Secondary Organic AerosolsSOAP  
Other ChemistryCoupled mercury-PM  
Dry Deposition   
Wet Deposition   
Horizontal Advection   
Horizontal Diffusion   
Vertical Advection   
Vertical Diffusion   
Integration Time Step   

Diagnostic Features

OptionCAMx v6.10CMAQ v5.0.2Details
Source TaggingTwo-wayOne-way 
Process Analysis   
Sensitivity Analysis