Contents

• 1 Overview
  • 1.1 CCSM Directory Structure
  • 1.2 CSIM Module Descriptions
  • 1.3 External Software and Libraries
    • 1.3.1 CCSM Share Code
    • 1.3.2 netCDF Library
    • 1.3.3 Message Passing Interface (MPI)
  
  
• 2 Model Structure
  • 2.1 Time-stepping Loop
    • _hist Variables
  • 2.2 Information Exchanged with the Coupler
  • 2.3 Global Grid and Grid Decomposition
  
  
• 3 Making Code Modifications
  • 3.1 Write Statements and Error Messages
    • Finding Error Messages
  • 3.2 History Fields
  • 3.3 Restart Fields
  
  
• 4 Code Management under CVS
• 5 Coding Standard
  • 5.1 Style Guidelines
    • General Guidelines
    • Modules
    • Subroutines
    • Loops
    • Array Syntax
    • Allocatable Arrays
    • Variable Names
    • Variable Declarations
    • Code indentation
    • Commenting of code
    • Portability
    • Incomplete and dead code
    • Miscellaneous
  • 5.2 Content Guidelines
  
  
• 6 Software Integration Procedure
  • 6.1 Making a Control Run
  • 6.2 Testing Climate and Performance of Modified Code
    • Minimum Requirements
  
  
• 7 Glossary
• Bibliography
• A. Calling Tree
• B. ProTeX Generated Documentation
• About this document ...