CAM7.0 User’s Guide

• 1. Introduction
  • 1.1. What’s new in the CAM7.0 release?
  • 1.2. Features removed from CAM7.0 code base:
• 2. Resources and Getting Help
  • 2.1. The CESM Tutorial
  • 2.2. The CESM Bulletin Board
  • 2.3. Reporting bugs
• 3. Building and Running CAM
  • 3.1. Modifying the location of case files
  • 3.2. Controlling the run length
• 4. Customizing CAM runs
  • 4.1. Modifying the build configuration
    • 4.1.1. Running in DEBUG mode
  • 4.2. Changing CAM namelist options
  • 4.3. Examples
    • 4.3.1. Enable COSP Diagnostics
    • 4.3.2. Add passive tracers
    • 4.3.3. Use analytic initial conditions
    • 4.3.4. Using CMIP5 emissions
    • 4.3.5. Specified Dynamics
• 5. Atmosphere configurations
  • 5.1. Grids
    • 5.1.1. Uniform grids
    • 5.1.2. Variable resolution grids
  • 5.2. CAM compsets
  • 5.3. CAM-chem compsets
  • 5.4. WACCM compsets
  • 5.5. WACCM-X compsets
  • 5.6. CAM Simple Models
    • 5.6.1. Ideal physics compsets
    • 5.6.2. CAM aquaplanet
    • 5.6.3. Radiative Convective Equilibrium World
  • 5.7. CAM Single Column Model
    • 5.7.1. SCAM Configuration Options
  • 5.8. CAM Parallel Offline Radiation Tool (PORT)
    • 5.8.1. Example: Using PORT to study flux differences due to 2 x CO2
• 6. User Defined Variable Resolution Configurations
• 7. Input Datasets
  • 7.1. Emissions
    • 7.1.1. Emissions datasets
    • 7.1.2. Species with emissions (CAM)
    • 7.1.3. Species with dry and wet deposition (CAM)
    • 7.1.4. Species with emissions (CAMchem/WACCM)
    • 7.1.5. Species with dry and wet deposition (CAMChem/WACCM)
    • 7.1.6. Species with biogenic emissions (CAMChem/WACCM)
    • 7.1.7. WACCM-X emissions
  • 7.2. Lower boundary datasets
  • 7.3. Soil erodibility datasets
  • 7.4. Topography datasets
  • 7.5. Meteorological datasets
  • 7.6. Solar datasets
    • 7.6.1. Solar irradiance
    • 7.6.2. WACCM solar inputs
    • 7.6.3. WACCM-X solar inputs
• 8. Model Output:
  • 8.1. Customizing output History Fields
    • 8.1.1. Default History Fields and the Master Field List
    • 8.1.2. General Features of History Files
    • 8.1.3. Timestamps and time intervals
    • 8.1.4. Multiple time samples in a single file
  • 8.2. Analyzing and Visualizing Model Output
• 9. Physics modifications via the namelist
  • 9.1. Radiative Constituents
    • 9.1.1. Default rad_climate for cam7 physics
    • 9.1.2. Example - Modify a radiatively active gas
  • 9.2. Diagnostic radiative forcing
    • 9.2.1. Example - Aerosol radiative forcing
    • 9.2.2. Example - Black carbon radiative forcing
  • 9.3. Nudging
    • 9.3.1. Target Data
    • 9.3.2. Implementation
    • 9.3.3. Output Values
    • 9.3.4. Namelist Values
    • 9.3.5. Windowing Examples
    • 9.3.6. EXAMPLE: Setting Up and Running A Nudging Experiment
• 10. Chemistry specific modifications
  • 10.1. Chemical mechanisms
  • 10.2. Modifications of the Chemical Mechanisms
  • 10.3. Adding emissions and lower boundary conditions
  • 10.4. Adding species and changing the mechanism
  • 10.5. Running with interactive / prescribed biogenic emissions
• 11. Downloading CAM standalone
  • 11.1. Downloading the CAM standalone code
  • 11.2. Checkout out the externals
  • 11.3. Useful git commands
  • 11.4. Useful documentation about CAM development and git resources
• 12. Appendices
  • 12.1. The configure utility
    • 12.1.1. Arguments to configure
  • 12.2. The build-namelist utility
    • 12.2.1. Arguments to build-namelist
    • 12.2.2. CAM Namelist variables
• 13. References