Modifying the Type of Run

CESM has three types of initial runs:

• startup

• branch

• hybrid

The xml variable $RUN_TYPE determines the initialization type.

Note that the RUN_TYPE setting is only important for the initial run of a production run when the $CONTINUE_RUN variable is set to FALSE. After the initial run, the $CONTINUE_RUN variable is set to TRUE, and the model restarts exactly using input files in a case, date, and bit-for-bit continuous fashion.