Contents

• 1 Introduction
  • 1.1 What's new in CSIM5?
  
  
• 2 Quick Start Guide
  • 2.1 What is needed to run CSIM?
  • 2.2 Downloading Source Code and Input Datasets
  • 2.3 Running CSIM Coupled
  • 2.4 Running CSIM Uncoupled
    • 2.4.1 Multiple Processors with MPI
    • 2.4.2 Single Processor with MPI
    • 2.4.3 Single Processor without MPI
  
  
• 3 The CSIM Scripts
  • 3.1 Coupled Model Scripts
  • 3.2 Uncoupled Run Script
    • 3.2.1 Using the Ocean Mixed Layer Model within CSIM
    • 3.2.2 Changing Grid Resolution
    • 3.2.3 Changing the Number of Processors
  • 3.3 Uncoupled Setup Script
  • 3.4 The Build Environment
    • 3.4.1 CSIM Preprocessor Flags
    • 3.4.2 CSIM Compiler Options
  
  
• 4 Namelist Variables
  • 4.1 Changing the Length of the Model Run
  • 4.2 Changing the timestep
  • 4.3 Writing Output
  • 4.4 Model Physics
  • 4.5 File Names
  • 4.6 Ocean Mixed Layer Model
  • 4.7 Atmospheric Forcing
  • 4.8 Example Namelists
    • 4.8.1 Example 1: CCSM Fully Coupled
    • 4.8.2 Example 2: Coupled Ice Only Model
    • 4.8.3 Example 3: Uncoupled Ice Model
    • 4.8.4 Example 4: Uncoupled Ice Model with Atmospheric Forcing
    • 4.8.5 Example 5: History File Namelist
  
  
• 5 Model Input Datasets
  • 5.1 Atmospheric Forcing
  
  
• 6 Run Types
  • 6.1 Startup Runs
    • Using Initial Conditions from within CSIM
  • 6.2 Continue Runs
  
  
• 7 Changing the Number of Ice Thickness Categories
• 8 Output Data
  • 8.1 Stdout Output
  • 8.2 Restart Files
    • Restart Pointer Files
  • 8.3 History Files
    • 8.3.1 Caveats Regarding Averaged Fields
    • 8.3.2 Changing Frequency and Averaging
    • 8.3.3 Changing Content
  
  
• 9 Troubleshooting
  • 9.1 Code does not Compile or Run
  • 9.2 Negative Ice Area in Horizontal Remapping
  • 9.3 Conservation Error
  • 9.4 MPDATA transport unstable
  • 9.5 NX does not divide evenly into grid
  • 9.6 Enabling the Debugger
  • 9.7 Unit 50 Error
  
  
• Bibliography
• About this document ...